Publications Substance Use and Health Outcomes

Publications 2024

Bakke E, Nilsen Terland M, Strand DH, Øiestad EL, Høiseth G (2024)
Enantiomer-specific analysis of amphetamine in urine, oral fluid and blood
J Anal Toxicol, 48 (5), 254-262
DOI 10.1093/jat/bkae038, PubMed 38706158

Gamboa D, Kabashi S, Jørgenrud B, Lerdal A, Nordby G, Bogstrand ST (2024)
Is alcohol and psychoactive medication use associated with excess hospital length-of-stay and admission frequency? A cross-sectional, observational study
BMC Emerg Med, 24 (1), 63
DOI 10.1186/s12873-024-00979-y, PubMed 38627626

Gjerde H, Huestis MA, Mulima G, Kajombo C, Sundet M, Pechansky F (2024)
Recommendations for effective collaboration and capacity building in epidemiological studies on the effect of alcohol and drug use on traffic safety in low- and middle-income countries
Traffic Inj Prev, 25 (3), 313-321
DOI 10.1080/15389588.2024.2316720, PubMed 38426896

Gjerde H, Jamt REG, Stenehjem JS, Bogstrand ST (2024)
Substance use and driver fatality in Norway: An expanded case-control study
Traffic Inj Prev, 1-9 (in press)
DOI 10.1080/15389588.2024.2392274, PubMed 39190537

Heide G, Jamt REG, Fainberg-Sandbu J, Øiestad ÅML, Høiseth G (2024)
Driving under the influence of cocaine and MDMA: Relationship between blood concentrations and results from clinical test of impairment
J Anal Toxicol, 48 (5), 380-387
DOI 10.1093/jat/bkae024, PubMed 38613441

Hjelmeland K, Middelkoop G, Mørland J, Høiseth G (2024)
The relationship between clinical impairment and blood drug concentration: Comparison between the most prevalent traffic relevant drug groups
Forensic Sci Int, 363, 112180
DOI 10.1016/j.forsciint.2024.112180, PubMed 39141931

Jørgenrud B, McQuade T, Maria MH, Nilsson G, Berg T (2024)
Buffer-free high pH mobile phase LC-MS/MS for determination of the alcohol biomarker phosphatidylethanol 16:0/18:1 and 20 drugs and metabolites in whole blood
Talanta, 282, 126964
DOI 10.1016/j.talanta.2024.126964, PubMed 39366246

Jørgenrud BM, Bråthen CC, Steinson Stenehjem J, Kristiansen T, Rosseland LA, Bogstrand ST (2024)
Identifying excessive chronic alcohol use with phosphatidylethanol in patients with suspected severe injury-results from the IDART study
Alcohol Alcohol, 59 (3)
DOI 10.1093/alcalc/agae014, PubMed 38497164

Salvo NM, Olsen GH, Berg T, Janssen K (2024)
Biogeographical Ancestry Analyses Using the ForenSeq^TM DNA Signature Prep Kit and Multiple Prediction Tools
Genes (Basel), 15 (4)
DOI 10.3390/genes15040510, PubMed 38674444

Tjelta T, Bogstrand ST, Lerdal A, Wüsthoff LEC, Edvardsen HME, Johannessen A (2024)
Screening and Following Up Harmful Alcohol Use "… is Not Necessarily Your Primary Focus": A Qualitative Study Exploring Health Professionals' Experiences Addressing Harmful Alcohol Use in a Norwegian Hospital
J Multidiscip Healthc, 17, 5189-5198
DOI 10.2147/JMDH.S475750, PubMed 39558926

White RA, Zhang C, Valcarcel Salamanca B, Angelsen A, Zakiudin DP, Andries A, Kabashi S, Moberg LL (2024)
Aberrations in medically certified sick leave and primary healthcare consultations in Norway in 2023 compared to pre-COVID-19-pandemic trends
Arch Public Health, 82 (1), 187
DOI 10.1186/s13690-024-01411-4, PubMed 39438966

Publications 2023

Bråthen CC, Jørgenrud BM, Bogstrand ST, Gjerde H, Rosseland LA, Kristiansen T (2023)
Prevalence of use and impairment from drugs and alcohol among trauma patients: A national prospective observational study
Injury, 54 (12), 111160
DOI 10.1016/j.injury.2023.111160, PubMed 37944451

Dragset E, Blix S, Melau J, Wilson T, Lund-Kordahl I (2023)
Assessing Firefighters' Tourniquet Skill Attainment and Retention: A Controlled Simulation-Based Experiment
Disaster Med Public Health Prep, 17, e409
DOI 10.1017/dmp.2023.68, PubMed 37317556

Gjerde H, Bogstrand ST, Jamt REG, Vindenes V (2023)
Crash-involved THC-positive drivers in Norway have a high frequency of polysubstance use
Drug Alcohol Depend, 244, 109800
DOI 10.1016/j.drugalcdep.2023.109800, PubMed 36774807

Gjerde H, Frost J (2023)
Prevalence of alcohol and drugs among drivers killed in road traffic crashes in Norway during 2011-2020
Traffic Inj Prev, 24 (3), 256-261
DOI 10.1080/15389588.2023.2174801, PubMed 36763459

Gjerde H, Oyono Y, Jamt REG, Tayimetha CY, Asongalem EA, Akum EA, Øiestad EL (2023)
Drug analysis: Comparison between dried plasma spots and liquid plasma samples of trauma patients from Cameroon-A feasibility study
Drug Test Anal, 16 (3), 303-308
DOI 10.1002/dta.3545, PubMed 37464568

Gjerde H, Strand MC (2023)
Legal limits for driving under the influence of illicit drugs: large variations between jurisdictions
Forensic Sci Int Rep, 8, 100336
DOI 10.1016/j.fsir.2023.100336, PublikaID 443

Jamt REG, Bukten A, Stavseth MR, Bogstrand ST, Tverborgvik T (2023)
All-cause and cause-specific mortality among individuals imprisoned for driving under the influence of alcohol and drugs in Norway (2000-2016): a retrospective cohort study
BMJ Open, 13 (12), e078848
DOI 10.1136/bmjopen-2023-078848, PubMed 38159948

Maria M, Neng NR, Berg T (2023)
An accurate and precise liquid chromatography-tandem mass spectrometry method for the determination of six phosphatidylethanol homologues in whole blood with phospholipid interferences minimized
J Chromatogr A, 1711, 464451 (in press)
DOI 10.1016/j.chroma.2023.464451, PubMed 39491082

Strand MC, Gjerde H, Høiseth G (2023)
Nystagmus among suspected amphetamine impaired drivers
J Forensic Leg Med, 95, 102502
DOI 10.1016/j.jflm.2023.102502, PubMed 36924680

Wilson T, Wisborg T, Vindenes V, Jamt REG, Bogstrand ST (2023)
Psychoactive substances and previous hospital admissions, triage and length of stay in rural injuries: a prospective observational study
Scand J Trauma Resusc Emerg Med, 31 (1), 86
DOI 10.1186/s13049-023-01156-z, PubMed 38012704

Øiestad EL, Øiestad ÅML, Middelkoop G, Brochmann GW, Thaulow CH, Vindenes V (2023)
Comparative Study of Postmortem Concentrations of Benzodiazepines and Z-Hypnotics in Several Different Matrices
J Anal Toxicol, 47 (3), 287-298
DOI 10.1093/jat/bkac106, PubMed 36542823

Publications 2022

Edvardsen HME, Clausen T (2022)
Opioid related deaths in Norway in 2000-2019
Drug Alcohol Depend, 232, 109281
DOI 10.1016/j.drugalcdep.2022.109281, PubMed 35042099

Edvardsen HME, Aamodt C, Bogstrand ST, Krajci P, Vindenes V, Rognli EB (2022)
Concentrations of psychoactive substances in blood samples from non-fatal and fatal opioid overdoses
Br J Clin Pharmacol, 88 (10), 4494-4504
DOI 10.1111/bcp.15365, PubMed 35470456

Høiseth G, Vindenes V, Hilberg T, Bogstrand ST (2022)
[High level of ferritin and HDL cholesterol is associated with high alcohol consumption]
Tidsskr Nor Laegeforen, 142 (17)
DOI 10.4045/tidsskr.22.0431, PubMed 36416649

Jamt REG, Edvardsen HME, Middelkoop G, Kallevik AS, Bogstrand ST, Vevelstad MS, Vindenes V (2022)
Deaths associated with MDMA in the period 2000-2019
Tidsskr Nor Laegeforen, 142 (8)
DOI 10.4045/tidsskr.21.0547, PubMed 35635429

Laegreid IJ, Wilson T, Naess KH, Ernstsen SL, Schou V, Arsenovic MG (2022)
Whole blood transfusion and paroxysmal nocturnal haemoglobinuria meet again: Minor incompatibility, major trouble
Vox Sang, 117 (11), 1323-1326
DOI 10.1111/vox.13354, PubMed 36102159

Maria MH, Jørgenrud BM, Berg T (2022)
Determination of eight phosphatidylethanol homologues in blood by reversed phase liquid chromatography-tandem mass spectrometry - How to avoid co-elution of phosphatidylethanols and unwanted phospholipids
J Chromatogr A, 1684, 463566
DOI 10.1016/j.chroma.2022.463566, PubMed 36306689

Nyman AAT, Vindenes V, Strøm RT, Katadzic S, Gustavsen I, Bogstrand ST (2022)
Systematic screening of substance use upon hospitalisation
Tidsskr Nor Laegeforen, 142 (14)
DOI 10.4045/tidsskr.22.0481, PubMed 36226432

Oyono Y, Gjerde H, Kelley-Baker T, Asongalem EA, Kouomogne Nteungue BA, Tayimetha CY, Djouyep Momo O, Biwole Biwole CP, Mekolo Owandja D, Ngono V, Djakari Y, Ramaekers JG, Achidi Akum E (2022)
Prevalence of alcohol among drivers, riders and pedestrians injured in road traffic crashes in Cameroon: a cross-sectional study
Int J Inj Contr Saf Promot, 29 (3), 340-347
DOI 10.1080/17457300.2022.2030365, PubMed 35077267

Robertson MB, Li A, Yuan Y, Jiang A, Gjerde H, Staples JA, Brubacher JR (2022)
Correlation between oral fluid and blood THC concentration: A systematic review and discussion of policy implications
Accid Anal Prev, 173, 106694
DOI 10.1016/j.aap.2022.106694, PubMed 35640367

Årving A, Hilberg T, Sovershaev M, Bogstrand ST, Høiseth G (2022)
Falsely low phosphatidylethanol may be associated with biomarkers of haemolytic disease
Basic Clin Pharmacol Toxicol, 132 (2), 223-230
DOI 10.1111/bcpt.13814, PubMed 36370095

Publications 2021

Bombana HS, Bogstrand ST, Gjerde H, Jamt REG, Carvalho HB, Andreuccetti G, Bernini CO, Muñoz DR, Leyton V, Greve JMD (2021)
Use of alcohol and illicit drugs by trauma patients in Sao Paulo, Brazil
Injury, 53 (1), 30-36
DOI 10.1016/j.injury.2021.10.032, PubMed 34749908

Bye EK, Bogstrand ST, Rossow I (2021)
The importance of alcohol in elderly's hospital admissions for fall injuries: a population case-control study
Nordisk Alkohol Nark, 39 (1), 38-49
DOI 10.1177/14550725211015836, PubMed 35308463

Engebretsen S, Bogstrand ST, Jacobsen D, Rimstad R (2021)
Quality of care, resource use and patient outcome by use of emergency response team compared with standard care for critically ill medical patients in the emergency department: a retrospective single-centre cohort study from Norway
BMJ Open, 11 (8), e047264
DOI 10.1136/bmjopen-2020-047264, PubMed 34385247

Gjerde H, Bretteville-Jensen AL, Bache-Andreassen L, Hanoa K, Furuhaugen H, Brochmann GW, Vindenes V (2021)
Which illicit drugs are injected in Oslo? A study based on analysis of drug residues in used injection equipment and self-reported information
Scand J Public Health, 51 (1), 21-27
DOI 10.1177/14034948211043984, PubMed 34538164

Gjerde H, Bretteville-Jensen AL, Furuhaugen H (2021)
Poor correlation between alcohol concentration in oral fluid and breath in subjects consuming beverages immediately before testing
Biochem Med (Zagreb), 32 (1), 010902
DOI 10.11613/BM.2022.010902, PubMed 34955675

Høiseth G, Hilberg T, Trydal T, Husa A, Vindenes V, Bogstrand ST (2021)
The alcohol marker phosphatidylethanol is closely related to AST, GGT, ferritin and HDL-C
Basic Clin Pharmacol Toxicol, 130 (1), 182-190
DOI 10.1111/bcpt.13662, PubMed 34591374

Jørgenrud B, Furuhaugen H, Gjerde H (2021)
Prevalence and Correlates of Illicit Drug Use among Norwegian Nightlife Patrons
Subst Use Misuse, 56 (11), 1697-1706
DOI 10.1080/10826084.2021.1949613, PubMed 34251973

Jørgenrud B, Kabashi S, Nadezhdin A, Bryun E, Koshkina E, Tetenova E, Lerdal A, Norby G, Kolgashkin A, Petukhov A, Perekhodov S, Davydova E, Vindenes V, Gamboa D, Bogstrand ST (2021)
The Association between the Alcohol Biomarker Phosphatidylethanol (PEth) and Self-Reported Alcohol Consumption among Russian and Norwegian Medical Patients
Alcohol Alcohol, 56 (6), 726-736
DOI 10.1093/alcalc/agab013, PubMed 33677484

Kabashi S, Gamboa D, Vindenes V, Berg T, Hilberg TA, Jørgenrud B, Lerdal A, Bogstrand ST (2021)
Multimorbidity, psychoactive substance use and psychological distress among acute medically ill patients: a cross-sectional study
BMJ Open, 11 (11), e052428
DOI 10.1136/bmjopen-2021-052428, PubMed 34815283

Langberg C, Hadley CL, Midtervoll M, Edvardsen HME, Molden E, Shafiei M, Jacobsen D (2021)
Quetiapine Poisoning - Epidemiology, Toxicokinetics and Review of the Literature
Lupine Online Journal of Medical Sciences, 5 (5), 565-573
PublikaID 372

Oyono Y, Gjerde H, Acha Asongalem E, Kouomogne Nteungue BA, Bamuh E, Deuwa Ngako A, Kelley-Baker T, Ramaekers JG, Lontsi Sonwa L, Enow-Orock G, Achidi Akum E (2021)
Roadside surveys of drinking and driving in Cameroon
Traffic Inj Prev, 22 (5), 349-354
DOI 10.1080/15389588.2021.1922682, PubMed 34014768

Pasnin LT, Gjerde H (2021)
Alcohol and drug use among road users involved in fatal crashes in Norway
Traffic Inj Prev, 22 (4), 267-271
DOI 10.1080/15389588.2021.1887854, PubMed 33724110

Sundet M, Mulima G, Kajombo C, Gjerde H, Christophersen AS, Madsen JE, Young S (2021)
Geographical mapping of road traffic injuries in Lilongwe, Malawi
Injury, 52 (4), 806-813
DOI 10.1016/j.injury.2021.02.028, PubMed 33712299

Wilson T, Wisborg T, Vindenes V, Jamt RG, Furuhaugen H, Bogstrand ST (2021)
Psychoactive substances have major impact on injuries in rural arctic Norway - A prospective observational study
Acta Anaesthesiol Scand, 65 (6), 824-833
DOI 10.1111/aas.13807, PubMed 33638866

Publications 2020

Bakke E, Høiseth G, Furuhaugen H, Berg T, Arnestad M, Gjerde H (2020)
Oral Fluid to Blood Concentration Ratios of Different Psychoactive Drugs in Samples from Suspected Drugged Drivers
Ther Drug Monit, 42 (5), 795-800
DOI 10.1097/FTD.0000000000000760, PubMed 32251151

Bech AB, Clausen T, Waal H, Vindenes V, Edvardsen HE, Frost J, Skeie I (2020)
Post-mortem toxicological analyses of blood samples from 107 patients receiving opioid agonist treatment: substances detected and pooled opioid and benzodiazepine concentrations
Addiction, 116 (4), 845-855
DOI 10.1111/add.15211, PubMed 32738014

Christophersen AS, Karinen R, Mørland J, Gjerde H (2020)
The implementation of per-se limits for driving under the influence of benzodiazepines and related drugs: No increased risk for arrest during therapeutic use in Norway
Traffic Inj Prev, 21 (2), 122-126
DOI 10.1080/15389588.2020.1724977, PubMed 32119573

Engebretsen S, Bogstrand ST, Jacobsen D, Rimstad R (2020)
Characteristics, management and outcome of critically ill general medical patients in the Emergency Department: An observational study
Int Emerg Nurs, 54, 100939
DOI 10.1016/j.ienj.2020.100939, PubMed 33302239

Engebretsen S, Bogstrand ST, Jacobsen D, Vitelli V, Rimstad R (2020)
NEWS2 versus a single-parameter system to identify critically ill medical patients in the emergency department
Resusc Plus, 3, 100020
DOI 10.1016/j.resplu.2020.100020, PubMed 34223303

Gamboa D, Jørgenrud B, Bryun EA, Vindenes V, Koshkina EA, Nadezhdin AV, Kabashi S, Tetenova EJ, Berg T, Nyman AAT, Kolgashkin AJ, Petukhov AE, Perekhodov SN, Davydova EN, Lerdal A, Nordby G, Bogstrand ST (2020)
Prevalence of psychoactive substance use among acutely hospitalised patients in Oslo and Moscow: a cross-sectional, observational study
BMJ Open, 10 (9), e032572
DOI 10.1136/bmjopen-2019-032572, PubMed 32948540

Gjerde H, Bretteville-Jensen AL, Furuhaugen H, Bache-Andreassen L, Bergh MS, Vindenes V (2020)
Determination of drug residues in used syringe needles
Drug Test Anal, 12 (3), 410-416
DOI 10.1002/dta.2759, PubMed 31899604

Heide G, Høiseth G, Middelkoop G, Øiestad ÅML (2020)
Blood Concentrations of Designer Benzodiazepines: Relation to Impairment and Findings in Forensic Cases
J Anal Toxicol, 44 (8), 905-914
DOI 10.1093/jat/bkaa043, PubMed 32369173

Jamt REG, Gjerde H, Furuhaugen H, Romeo G, Vindenes V, Ramaekers JG, Bogstrand ST (2020)
Associations between psychoactive substance use and sensation seeking behavior among drivers in Norway
BMC Public Health, 20 (1), 23
DOI 10.1186/s12889-019-8087-0, PubMed 31914964

Jørgenrud B, Skadberg E, de Carvalho Ponce J, Furuhaugen H, Berg T (2020)
Determination of the alcohol biomarker phosphatidylethanol 16:0/18:1 and 33 compounds from eight different drug classes in whole blood by LC-MS/MS
J Pharmacol Toxicol Methods, 107, 106939
DOI 10.1016/j.vascn.2020.106939, PubMed 33257303

Kabashi S, Vindenes V, Bryun EA, Koshkina EA, Nadezhdin AV, Tetenova EJ, Kolgashkin AJ, Petukhov AE, Perekhodov SN, Davydova EN, Gamboa D, Hilberg T, Lerdal A, Nordby G, Zhang C, Bogstrand ST (2020)
Corrigendum to "Harmful alcohol use among acutely ill hospitalized medical patients in Oslo and Moscow: A cross-sectional study" [Drug Alcohol Depend. 204 (2019) 107588]
Drug Alcohol Depend, 213, 108073
DOI 10.1016/j.drugalcdep.2020.108073, PubMed 32570137

Nadezhdin A, Joergenrud B, Tetenova E, Bryun E, Koshkina E, Petukhov A, Kolgashkin A, Kabashi S, Bogstrand ST (2020)
Predictors of tobacco smoking among acutely ill patients in a Moscow hospital: A cross-sectional study
Tob Prev Cessat, 6, 18
DOI 10.18332/tpc/117954, PubMed 32548355

Simonsen KW, Kriikku P, Thelander G, Edvardsen HME, Thordardottir S, Andersen CU, Jönsson AK, Frost J, Christoffersen DJ, Delaveris GJM, Ojanperä I (2020)
Fatal poisoning in drug addicts in the Nordic countries in 2017
Forensic Sci Int, 313, 110343
DOI 10.1016/j.forsciint.2020.110343, PubMed 32563797

Sundet M, Kajombo C, Mulima G, Bogstrand ST, Varela C, Young S, Christophersen AS, Gjerde H (2020)
Prevalence of alcohol use among road traffic crash victims presenting to a Malawian Central Hospital: A cross-sectional study
Traffic Inj Prev, 21 (8), 527-532
DOI 10.1080/15389588.2020.1819990, PubMed 33064031

Sundet M, Mulima G, Kajombo C, Gjerde H, Christophersen AS, Young S (2020)
Adult pedestrian and cyclist injuries in Lilongwe, Malawi: a cross-sectional study
Malawi Med J, 32 (4), 197-204
DOI 10.4314/mmj.v32i4.4, PubMed 34457204

Årving A, Høiseth G, Hilberg T, Trydal T, Husa A, Djordjevic A, Kabashi S, Vindenes V, Bogstrand ST (2020)
Comparison of the Diagnostic Value of Phosphatidylethanol and Carbohydrate-Deficient Transferrin as Biomarkers of Alcohol Consumption
Alcohol Clin Exp Res, 45 (1), 153-162
DOI 10.1111/acer.14503, PubMed 33164220

Publications 2019

Bakke E, Høiseth G, Arnestad M, Gjerde H (2019)
Detection of Drugs in Simultaneously Collected Samples of Oral Fluid and Blood
J Anal Toxicol, 43 (3), 228-232
DOI 10.1093/jat/bky079, PubMed 30295809

Bretteville-Jensen AL, Burdzovic Andreas J, Gjersing L, Øiestad EL, Gjerde H (2019)
Identification and Assessment of Drug-User Groups Among Nightlife Attendees: Self-Reports, Breathalyzer-Tests and Oral Fluid Drug Tests
Eur Addict Res, 25 (2), 93-102
DOI 10.1159/000497318, PubMed 30783038

Gjerde H, Gjersing L, Baz-Lomba JA, Bijlsma L, Salgueiro-González N, Furuhaugen H, Bretteville-Jensen AL, Hernández F, Castiglioni S, Johanna Amundsen E, Zuccato E (2019)
Drug Use by Music Festival Attendees: A Novel Triangulation Approach Using Self-Reported Data and Test Results of Oral Fluid and Pooled Urine Samples
Subst Use Misuse, 54 (14), 2317-2327
DOI 10.1080/10826084.2019.1646285, PubMed 31398072

Gjerde H, Gjersing L, Furuhaugen H, Bretteville-Jensen AL (2019)
Correspondence between Oral Fluid Drug Test Results and Self-Reported Illicit Drug Use among Music Festival Attendees
Subst Use Misuse, 54 (8), 1337-1344
DOI 10.1080/10826084.2019.1580295, PubMed 30860932

Gjerde H, Ramaekers JG, Mørland JG (2019)
Methodologies for establishing the relationship between alcohol/drug use and driving impairment - Differences between epidemiological, experimental, and real-case studies
Forensic Sci Rev, 31 (2), 141-160
PubMed 31270059

Gjersing L, Bretteville-Jensen AL, Furuhaugen H, Gjerde H (2019)
Illegal substance use among 1,309 music festival attendees: An investigation using oral fluid sample drug tests, breathalysers and questionnaires
Scand J Public Health, 47 (4), 400-407
DOI 10.1177/1403494818821481, PubMed 30632949

Jamt REG, Gjerde H, Romeo G, Bogstrand ST (2019)
Association between alcohol and drug use and arrest for driving under the influence after crash involvement in a rural area of Norway: a case-control study
BMJ Open, 9 (1), e023563
DOI 10.1136/bmjopen-2018-023563, PubMed 30610022

Kabashi S, Vindenes V, Bryun EA, Koshkina EA, Nadezhdin AV, Tetenova EJ, Kolgashkin AJ, Petukhov AE, Perekhodov SN, Davydova EN, Gamboa D, Hilberg T, Lerdal A, Nordby G, Zhang C, Bogstrand ST (2019)
Harmful alcohol use among acutely ill hospitalized medical patients in Oslo and Moscow: A cross-sectional study
Drug Alcohol Depend, 204, 107588
DOI 10.1016/j.drugalcdep.2019.107588, PubMed 31590131

Leyton V, Bombana HS, Magalhães JG, Panizza HN, Sinagawa DM, Takitane J, Carvalho HB, Andreuccetti G, Yonamine M, Gjerde H, Muñoz DR (2019)
Trends in the use of psychoactive substances by truck drivers in São Paulo State, Brazil: A time-series cross sectional roadside survey (2009-2016)
Traffic Inj Prev, 20 (2), 122-127
DOI 10.1080/15389588.2018.1552786, PubMed 30933546

Lund I, Moan IS, Edvardsen HME (2019)
The relative impact of smoking, alcohol use and drug use on general sickness absence among Norwegian employees
BMC Public Health, 19 (1), 500
DOI 10.1186/s12889-019-6891-1, PubMed 31053139

Mentzoni I, Bogstrand ST, Faiz KW (2019)
Emergency department crowding and length of stay before and after an increased catchment area
BMC Health Serv Res, 19 (1), 506
DOI 10.1186/s12913-019-4342-4, PubMed 31331341

Ponce JC, Andreuccetti G, Gonçalves REM, Gjerde H, Bogstrand ST, Valen A, Leyton V, de Carvalho HB (2019)
Comparison of traffic data and blood alcohol concentration among fatally injured drivers in Norway and Sao Paulo, Brazil, 2005-2015
Traffic Inj Prev, 20 (7), 673-678
DOI 10.1080/15389588.2019.1648797, PubMed 31408371

Strand MC, Ramaekers JG, Gjerde H, Mørland J, Vindenes V (2019)
Pharmacokinetics of Single Doses of Methadone and Buprenorphine in Blood and Oral Fluid in Healthy Volunteers and Correlation With Effects on Psychomotor and Cognitive Functions
J Clin Psychopharmacol, 39 (5), 489-493
DOI 10.1097/JCP.0000000000001077, PubMed 31305338

Temte V, Kjeldstadli K, Bruun LD, Birdal M, Bachs L, Karinen R, Middelkoop G, Øiestad E, Høiseth G (2019)
An Experimental Study of Diazepam and Alprazolam Kinetics in Urine and Oral Fluid Following Single Oral Doses
J Anal Toxicol, 43 (2), 104-111
DOI 10.1093/jat/bky062, PubMed 30517712

Valen A, Bogstrand ST, Vindenes V, Frost J, Larsson M, Holtan A, Gjerde H (2019)
Fatally injured drivers in Norway 2005-2015-Trends in substance use and crash characteristics
Traffic Inj Prev, 20 (5), 460-466
DOI 10.1080/15389588.2019.1616700, PubMed 31169405

Valen A, Bogstrand ST, Vindenes V, Frost J, Larsson M, Holtan A, Gjerde H (2019)
Driver-related risk factors of fatal road traffic crashes associated with alcohol or drug impairment
Accid Anal Prev, 131, 191-199
DOI 10.1016/j.aap.2019.06.014, PubMed 31306833

Publications 2018

Berg T, Eliassen E, Jørgenrud B, Kabashi S, Petukhov A, Bogstrand ST (2018)
Determination of phosphatidylethanol 16:0/18:1 in whole blood by 96-well supported liquid extraction and UHPLC-MS/MS
J Clin Lab Anal, 33 (1), e22631
DOI 10.1002/jcla.22631, PubMed 30047172

Eriksen TR, Shumba L, Ekeberg O, Bogstrand ST (2018)
The association between hospital admission and substance use among trauma patients
J. Subst. Use, 23 (1), 79-85
DOI 10.1080/14659891.2017.1348557

Furuhaugen H, Jamt REG, Nilsson G, Vindenes V, Gjerde H (2018)
Roadside survey of alcohol and drug use among Norwegian drivers in 2016-2017: A follow-up of the 2008-2009 survey
Traffic Inj Prev, 19 (6), 555-562
DOI 10.1080/15389588.2018.1478087, PubMed 29927625

Gjerde H, Clausen GB, Andreassen E, Furuhaugen H (2018)
Evaluation of Dräger DrugTest 5000 in a Naturalistic Setting
J Anal Toxicol, 42 (4), 248-254
DOI 10.1093/jat/bky003, PubMed 29409046

Gjerde H, Romeo G, Mørland J (2018)
Challenges and common weaknesses in case-control studies on drug use and road traffic injury based on drug testing of biological samples
Ann Epidemiol, 28 (11), 812-820
DOI 10.1016/j.annepidem.2018.08.006, PubMed 30217677

Jørgenrud B, Bogstrand ST, Furuhaugen H, Jamt REG, Vindenes V, Gjerde H (2018)
Association between speeding and use of alcohol and medicinal and illegal drugs and involvement in road traffic crashes among motor vehicle drivers
Traffic Inj Prev, 19 (8), 779-785
DOI 10.1080/15389588.2018.1518577, PubMed 30681887

Oiestad AML, Berg T, Eliassen E, Wiklund T, Sand K, Oiestad EL (2018)
Separation of isomers of new psychoactive substances and isotope-labeled amphetamines using UHPSFC-MS/MS and UHPLC-MS/MS
J. Liq. Chromatogr. Relat. Technol., 41 (7), 391-400
DOI 10.1080/10826076.2017.1388818

Strand MC, Vindenes V, Gjerde H, Mørland JG, Ramaekers JG (2018)
A clinical trial on the acute effects of methadone and buprenorphine on actual driving and cognitive function of healthy volunteers
Br J Clin Pharmacol, 85 (2), 442-453
DOI 10.1111/bcp.13818, PubMed 30515857

Takitane J, Leyton V, Andreuccetti G, Gjerde H, Vindenes V, Berg T (2018)
Determination of cocaine, metabolites and a crack cocaine biomarker in whole blood by liquid-liquid extraction and UHPLC-MS/MS
Forensic Sci Int, 289, 165-174
DOI 10.1016/j.forsciint.2018.05.030, PubMed 29885489

Publications 2017

Bergh MS, Bogen IL, Andersen JM, Øiestad ÅML, Berg T (2017)
Determination of adrenaline, noradrenaline and corticosterone in rodent blood by ion pair reversed phase UHPLC-MS/MS
J Chromatogr B Analyt Technol Biomed Life Sci, 1072, 161-172
DOI 10.1016/j.jchromb.2017.11.016, PubMed 29175696

Bombana HS, Gjerde H, Dos Santos MF, Jamt REG, Yonamine M, Rohlfs WJC, Muñoz DR, Leyton V (2017)
Prevalence of drugs in oral fluid from truck drivers in Brazilian highways
Forensic Sci Int, 273, 140-143
DOI 10.1016/j.forsciint.2017.02.023, PubMed 28273545

Breen JM, Naess PA, Gjerde H, Gaarder C, Stray-Pedersen A (2017)
The significance of preexisting medical conditions, alcohol/drug use and suicidal behavior for drivers in fatal motor vehicle crashes: a retrospective autopsy study
Forensic Sci Med Pathol, 14 (1), 4-17
DOI 10.1007/s12024-017-9934-x, PubMed 29185214

Edvardsen HE, Tverborgvik T, Frost J, Rogde S, Morild I, Waal H, Clausen T, Slørdal L, Vindenes V (2017)
Differences in combinations and concentrations of drugs of abuse in fatal intoxication and driving under the influence cases
Forensic Sci Int, 281, 127-133
DOI 10.1016/j.forsciint.2017.10.045, PubMed 29128652

Edvardsen HE, Tverborgvik T, Frost J, Rogde S, Morild I, Waal H, Clausen T, Slørdal L, Vindenes V (2017)
Corrigendum to "Differences in combinations and concentrations of drugs of abuse in fatal intoxication and driving under the influence cases" [Forensic Sci. Int. 281 (2017) 127-133]
Forensic Sci Int, 283, 219
DOI 10.1016/j.forsciint.2017.12.040, PubMed 29324351

Høiseth G, Gottås A, Berg T, Arnestad M, Halvorsen PS, Bachs LC (2017)
Urinary Kinetics of Heroin Metabolites in Pigs Shortly After Intake
J Anal Toxicol, 41 (5), 451-454
DOI 10.1093/jat/bkx017, PubMed 28335030

Jamt REG, Gjerde H, Normann PT, Bogstrand ST (2017)
Roadside survey on alcohol and drug use among drivers in the Arctic county of Finnmark (Norway)
Traffic Inj Prev, 18 (7), 681-687
DOI 10.1080/15389588.2017.1283027, PubMed 28112544

Petukhov AE, Nadezhdin AV, Bogstrand ST, Bryun EA, Ramenskaya GV, Koshkina EA, Mel'nik EV, Smirnov AV, Tetenova EY (2017)
[The comparative analysis of the methods for the determination of phosphatidylethanol in blood as a biological marker of alcohol abuse]
Sud Med Ekspert, 60 (5), 23-26
DOI 10.17116/sudmed201760523-26, PubMed 28980550

Valen A, Bogstrand ST, Vindenes V, Gjerde H (2017)
Increasing use of cannabis among arrested drivers in Norway
Traffic Inj Prev, 18 (8), 801-806
DOI 10.1080/15389588.2017.1321114, PubMed 28448164

Valen A, Bogstrand ST, Vindenes V, Gjerde H (2017)
Toxicological findings in suspected drug-impaired drivers in Norway - Trends during 1990-2015
Forensic Sci Int, 280, 15-24
DOI 10.1016/j.forsciint.2017.09.010, PubMed 28942374

Vårdal L, Askildsen HM, Gjelstad A, Øiestad EL, Edvardsen HM, Pedersen-Bjergaard S (2017)
Parallel artificial liquid membrane extraction of new psychoactive substances in plasma and whole blood
J Chromatogr B Analyt Technol Biomed Life Sci, 1048, 77-84
DOI 10.1016/j.jchromb.2017.02.010, PubMed 28226266

Publications 2016

Bakke E, Bogstrand ST, Normann PT, Ekeberg Ø, Bachs L (2016)
Influence of alcohol and other substances of abuse at the time of injury among patients in a Norwegian emergency department
BMC Emerg Med, 16 (1), 20
DOI 10.1186/s12873-016-0085-2, PubMed 27277762

Bogstrand ST, Skogstad L, Ekeberg Ø (2016)
The association between alcohol, medicinal drug use and post-traumatic stress symptoms among Norwegian rescue workers after the 22 July twin terror attacks
Int Emerg Nurs, 28, 29-33
DOI 10.1016/j.ienj.2016.03.003, PubMed 27068750

Christophersen AS, Mørland J, Stewart K, Gjerde H (2016)
International trends in alcohol and drug use among vehicle drivers
Forensic Sci Rev, 28 (1), 37-66
PubMed 26841722

Edvardsen HME, Moan IS, Christophersen AS, Gjerde H (2016)
Bruk av rusmidler, sløvende legemidler og tobakk blant arbeidstakere i utvalgte bransjer i Norge
Rapport, x, x
PublikaID 269

Gjerde H, Mørland J (2016)
Risk for involvement in road traffic crash during acute cannabis intoxication
Addiction, 111 (8), 1492-5
DOI 10.1111/add.13435, PubMed 27324309

Høiseth G, Austdal LE, Wiik E, Bogstrand ST, Mørland J (2016)
Prevalence and concentrations of drugs in older suspected drugged drivers
Traffic Inj Prev, 18 (3), 231-236
DOI 10.1080/15389588.2016.1247209, PubMed 27740861

Jørgenrud B, Stene LC, Tapia G, Bøås H, Pepaj M, Berg JP, Thorsby PM, Orešič M, Hyötyläinen T, Rønningen KS (2016)
Longitudinal plasma metabolic profiles, infant feeding, and islet autoimmunity in the MIDIA study
Pediatr Diabetes, 18 (2), 111-119
DOI 10.1111/pedi.12360, PubMed 26791677

Strand MC, Gjerde H, Mørland J (2016)
Driving under the influence of non-alcohol drugs--An update. Part II: Experimental studies
Forensic Sci Rev, 28 (2), 79-101
PubMed 27257716

Tuv SS, Havig SM, Middelkoop G, Tverborgvik T, Edvardsen HME (2016)
Obduksjonsstatistikk 2000-2015
Rapport, 1, 1
PublikaID 268

Valen A, Leere Øiestad ÅM, Strand DH, Skari R, Berg T (2016)
Determination of 21 drugs in oral fluid using fully automated supported liquid extraction and UHPLC-MS/MS
Drug Test Anal, 9 (5), 808-823
DOI 10.1002/dta.2045, PubMed 27464485

Vindenes V, Strand DH, Koksæter P, Gjerde H (2016)
Detection of Nitrobenzodiazepines and Their 7-Amino Metabolites in Oral Fluid
J Anal Toxicol, 40 (4), 310-2
DOI 10.1093/jat/bkw020, PubMed 27013620

Publications 2015

Austdal LE, Strand MC, Vindenes V, Bogstrand ST (2015)
[Prevalence of injuries associated with the «russ» celebration in Norway]
Tidsskr Nor Laegeforen, 135 (7), 648-52
DOI 10.4045/tidsskr.14.0238, PubMed 25899369

Berg T, Kaur L, Risnes A, Havig SM, Karinen R (2015)
Determination of a selection of synthetic cannabinoids and metabolites in urine by UHPSFC-MS/MS and by UHPLC-MS/MS
Drug Test Anal, 8 (7), 708-22
DOI 10.1002/dta.1844, PubMed 26304456

Bogstrand ST, Larsson M, Holtan A, Staff T, Vindenes V, Gjerde H (2015)
Associations between driving under the influence of alcohol or drugs, speeding and seatbelt use among fatally injured car drivers in Norway
Accid Anal Prev, 78, 14-19
DOI 10.1016/j.aap.2014.12.025, PubMed 25725424

Christophersen AS, Gjerde H (2015)
Prevalence of alcohol and drugs among motorcycle riders killed in road crashes in Norway during 2001-2010
Accid Anal Prev, 80, 236-42
DOI 10.1016/j.aap.2015.04.017, PubMed 25932788

Edvardsen HM, Moan IS, Christophersen AS, Gjerde H (2015)
Use of alcohol and drugs by employees in selected business areas in Norway: a study using oral fluid testing and questionnaires
J Occup Med Toxicol, 10, 46
DOI 10.1186/s12995-015-0087-0, PubMed 26681976

Gjerde H, Langel K, Favretto D, Verstraete AG (2015)
Detection of illicit drugs in oral fluid from drivers as biomarker for drugs in blood
Forensic Sci Int, 256, 42-5
DOI 10.1016/j.forsciint.2015.06.027, PubMed 26295911

Gjerde H, Nordfjærn T, Bretteville-Jensen AL, Edland-Gryt M, Furuhaugen H, Karinen R, Øiestad EL (2015)
Comparison of drugs used by nightclub patrons and criminal offenders in Oslo, Norway
Forensic Sci Int, 265, 1-5
DOI 10.1016/j.forsciint.2015.12.029, PubMed 26826845

Gjerde H, Strand MC, Mørland J (2015)
Driving Under the Influence of Non-Alcohol Drugs--An Update Part I: Epidemiological Studies
Forensic Sci Rev, 27 (2), 89-113
PubMed 26227253

Høiseth G, Middelkoop G, Mørland J, Gjerde H (2015)
Has Previous Abuse of Flunitrazepam Been Replaced by Clonazepam?
Eur Addict Res, 21 (4), 217-21
DOI 10.1159/000377628, PubMed 25895512

Jørgenrud B, Jalanko M, Heliö T, Jääskeläinen P, Laine M, Hilvo M, Nieminen MS, Laakso M, Hyötyläinen T, Orešič M, Kuusisto J (2015)
The Metabolome in Finnish Carriers of the MYBPC3-Q1061X Mutation for Hypertrophic Cardiomyopathy
PLoS One, 10 (8), e0134184
DOI 10.1371/journal.pone.0134184, PubMed 26267065

Jørgenrud B, Jäntti S, Mattila I, Pöhö P, Rønningen KS, Yki-Järvinen H, Orešič M, Hyötyläinen T (2015)
The influence of sample collection methodology and sample preprocessing on the blood metabolic profile
Bioanalysis, 7 (8), 991-1006
DOI 10.4155/bio.15.16, PubMed 25966010

Simonsen KW, Edvardsen HM, Thelander G, Ojanperä I, Thordardottir S, Andersen LV, Kriikku P, Vindenes V, Christoffersen D, Delaveris GJ, Frost J (2015)
Fatal poisoning in drug addicts in the Nordic countries in 2012
Forensic Sci Int, 248, 172-80
DOI 10.1016/j.forsciint.2015.01.003, PubMed 25645132

Publications 2014

Berg T, Karlsen M, Oiestad AM, Johansen JE, Liu H, Strand DH (2014)
Evaluation of ¹³C- and ²H-labeled internal standards for the determination of amphetamines in biological samples, by reversed-phase ultra-high performance liquid chromatography-tandem mass spectrometry
J Chromatogr A, 1344, 83-90
DOI 10.1016/j.chroma.2014.04.020, PubMed 24780257

Bogstrand ST, Gjerde H (2014)
Which drugs are associated with highest risk for being arrested for driving under the influence? A case-control study
Forensic Sci Int, 240, 21-8
DOI 10.1016/j.forsciint.2014.03.027, PubMed 24814328

Bogstrand ST, Høiseth G, Rossow I, Normann PT, Ekeberg O (2014)
Prevalence of ethyl glucuronide and ethyl sulphate among patients injured when driving or at work
Alcohol Alcohol, 50 (1), 68-73
DOI 10.1093/alcalc/agu070, PubMed 25318475

Christophersen AS, Gjerde H (2014)
Prevalence of alcohol and drugs among car and van drivers killed in road accidents in Norway: an overview from 2001 to 2010
Traffic Inj Prev, 15 (6), 523-31
DOI 10.1080/15389588.2013.848981, PubMed 24867563

Edvardsen HM, Karinen R, Moan IS, Oiestad EL, Christophersen AS, Gjerde H (2014)
Use of alcohol and drugs among health professionals in Norway: a study using data from questionnaires and samples of oral fluid
J Occup Med Toxicol, 9 (1), 8
DOI 10.1186/1745-6673-9-8, PubMed 24612541

Gjerde H, Bogstrand ST, Lillsunde P (2014)
Commentary: why is the odds ratio for involvement in serious road traffic accident among drunk drivers in Norway and Finland higher than in other countries?
Traffic Inj Prev, 15 (1), 1-5
DOI 10.1080/15389588.2013.780651, PubMed 24279959

Gjerde H, Langel K, Favretto D, Verstraete AG (2014)
Detection of 4 benzodiazepines in oral fluid as biomarker for presence in blood
Ther Drug Monit, 36 (2), 252-6
DOI 10.1097/FTD.0b013e3182a3ab42, PubMed 24061449

Gjerde H, Langel K, Favretto D, Verstraete AG (2014)
Estimation of equivalent cutoff thresholds in blood and oral fluid for drug prevalence studies
J Anal Toxicol, 38 (2), 92-8
DOI 10.1093/jat/bkt122, PubMed 24451086

Gjerde H, Sousa TR, De Boni R, Christophersen AS, Limberger RP, Zancanaro I, Oiestad EL, Normann PT, Mørland J, Pechansky F (2014)
A comparison of alcohol and drug use by random motor vehicle drivers in Brazil and Norway
Int J Drug Policy, 25 (3), 393-400
DOI 10.1016/j.drugpo.2014.01.019, PubMed 24613265

Høiseth G, Fosen JT, Liane V, Bogstrand ST, Mørland J (2014)
Alcohol hangover as a cause of impairment in apprehended drivers
Traffic Inj Prev, 16 (4), 323-8
DOI 10.1080/15389588.2014.938324, PubMed 25023858

Karlsen M, Liu H, Berg T, Johansen JE, Hoff BH (2014)
Synthesis of [13C6]-labelled phenethylamine derivatives for drug quantification in biological samples
J Labelled Comp Radiopharm, 57 (5), 378-87
DOI 10.1002/jlcr.3193, PubMed 24634286

Sinagawa DM, De Carvalho HB, Andreuccetti G, Do Prado NV, De Oliveira KC, Yonamine M, Muñoz DR, Gjerde H, Leyton V (2014)
Association between travel length and drug use among Brazilian truck drivers
Traffic Inj Prev, 16 (1), 5-9
DOI 10.1080/15389588.2014.906589, PubMed 24697351

Vindenes V, Boix F, Koksæter P, Strand MC, Bachs L, Mørland J, Gjerde H (2014)
Drugged driving arrests in Norway before and after the implementation of per se law
Forensic Sci Int, 245, 171-7
DOI 10.1016/j.forsciint.2014.10.038, PubMed 25447190

Warsame MO, Gamboa D, Nielsen EW (2014)
[A woman in her forties with cancer, syncope and spasms]
Tidsskr Nor Laegeforen, 134 (19), 1855-7
DOI 10.4045/tidsskr.13.1528, PubMed 25314987

Warsame MO, Gamboa D, Nielsen EW (2014)
[M. Warsame and colleagues reply]
Tidsskr Nor Laegeforen, 134 (23-24), 2239
DOI 10.4045/tidsskr.14.1437, PubMed 25492326

Publications 2013

Berg T, Jørgenrud B, Strand DH (2013)
Determination of buprenorphine, fentanyl and LSD in whole blood by UPLC-MS-MS
J Anal Toxicol, 37 (3), 159-65
DOI 10.1093/jat/bkt005, PubMed 23423312

Gjerde H, Christophersen AS, Normann PT, Assum T, Oiestad EL, Mørland J (2013)
Norwegian roadside survey of alcohol and drug use by drivers (2008-2009)
Traffic Inj Prev, 14 (5), 443-52
DOI 10.1080/15389588.2012.728016, PubMed 23697895

Gjerde H, Christophersen AS, Normann PT, Morland J (2013)
Associations between substance use among car and van drivers in Norway and fatal injury in road traffic accidents: A case-control study
Transp. Res. Pt. F-Traffic Psychol. Behav., 17, 134-144
DOI 10.1016/j.trf.2012.11.004

Gjerde H, Christophersen AS, Normann PT, Mørland J (2013)
Increased population drinking is not always associated with increased number of drink driving convictions
Addiction, 108 (12), 2221-3
DOI 10.1111/add.12342, PubMed 24148108

Langel K, Gjerde H, Favretto D, Lillsunde P, Øiestad EL, Ferrara SD, Verstraete AG (2013)
Comparison of drug concentrations between whole blood and oral fluid
Drug Test Anal, 6 (5), 461-71
DOI 10.1002/dta.1532, PubMed 24039237

Legrand SA, Gjerde H, Isalberti C, Van der Linden T, Lillsunde P, Dias MJ, Gustafsson S, Ceder G, Verstraete AG (2013)
Prevalence of alcohol, illicit drugs and psychoactive medicines in killed drivers in four European countries
Int J Inj Contr Saf Promot, 21 (1), 17-28
DOI 10.1080/17457300.2012.748809, PubMed 23297822

Lund HM, Gjerde H, de Courtade SM, Oiestad EL, Christophersen AS (2013)
A Norwegian study of the suitability of hair samples in epidemiological research of alcohol, nicotine and drug use
J Anal Toxicol, 37 (6), 362-8
DOI 10.1093/jat/bkt038, PubMed 23689070

Lund HME, Gjerde H, DeCourtade SM, Øiestad EL, Christophersen AS (2013)
A Norwegian study of the suitability of hair samples in epidemiological research of alcohol, nicotine and drug use
J Anal Toxicol, 37 (6), 362-8
DOI 10.1093/jat/bkt038 , PublikaID 266

Rossow I, Bogstrand ST, Ekeberg Ø, Normann PT (2013)
Associations between heavy episodic drinking and alcohol related injuries: a case control study
BMC Public Health, 13, 1076
DOI 10.1186/1471-2458-13-1076, PubMed 24228707

Publications 2012

Bogstrand ST, Gjerde H, Normann PT, Rossow I, Ekeberg Ø (2012)
Alcohol, psychoactive substances and non-fatal road traffic accidents--a case-control study
BMC Public Health, 12, 734
DOI 10.1186/1471-2458-12-734, PubMed 22943663

Bogstrand ST, Rossow I, Normann PT, Ekeberg Ø (2012)
Studying psychoactive substance use in injured patients: does exclusion of late arriving patients bias the results?
Drug Alcohol Depend, 127 (1-3), 187-92
DOI 10.1016/j.drugalcdep.2012.06.029, PubMed 22819867

Das A, Gjerde H, Gopalan SS, Normann PT (2012)
Alcohol, drugs, and road traffic crashes in India: a systematic review
Traffic Inj Prev, 13 (6), 544-53
DOI 10.1080/15389588.2012.663518, PubMed 23137084

Gjerde H, Christophersen AS, Normann PT, Pettersen BS, Sabaredzovic A, Samuelsen SO, Mørland J (2012)
Analysis of alcohol and drugs in oral fluid from truck drivers in Norway
Traffic Inj Prev, 13 (1), 43-8
DOI 10.1080/15389588.2011.627957, PubMed 22239142

Reid MJ, Langford KH, Grung M, Gjerde H, Amundsen EJ, Morland J, Thomas KV (2012)
Estimation of cocaine consumption in the community: a critical comparison of the results from three complimentary techniques
BMJ Open, 2 (6)
DOI 10.1136/bmjopen-2012-001637, PubMed 23144259

Vevelstad M, Øiestad EL, Middelkoop G, Hasvold I, Lilleng P, Delaveris GJ, Eggen T, Mørland J, Arnestad M (2012)
The PMMA epidemic in Norway: comparison of fatal and non-fatal intoxications
Forensic Sci Int, 219 (1-3), 151-7
DOI 10.1016/j.forsciint.2011.12.014, PubMed 22257968

Vindenes V, Lund HM, Andresen W, Gjerde H, Ikdahl SE, Christophersen AS, Øiestad EL (2012)
Detection of drugs of abuse in simultaneously collected oral fluid, urine and blood from Norwegian drug drivers
Forensic Sci Int, 219 (1-3), 165-71
DOI 10.1016/j.forsciint.2012.01.001, PubMed 22284072

Vindenes V, Lund HME, Andresen W, Gjerde H, Ikdahl SE, Christophersen AS, Øiestad EL (2012)
Detection of drugs of abuse in simultaneously collected oral fluid, urine and blood from Norwegian drug drivers
Forensic Sci Int, 219 (1-3), 165
PublikaID 265

Publications 2011

Berg T, Strand DH (2011)
¹³C labelled internal standards--a solution to minimize ion suppression effects in liquid chromatography-tandem mass spectrometry analyses of drugs in biological samples?
J Chromatogr A, 1218 (52), 9366-74
DOI 10.1016/j.chroma.2011.10.081, PubMed 22119139

Bogstrand ST, Normann PT, Rossow I, Larsen M, Mørland J, Ekeberg Ø (2011)
Prevalence of alcohol and other substances of abuse among injured patients in a Norwegian emergency department
Drug Alcohol Depend, 117 (2-3), 132-8
DOI 10.1016/j.drugalcdep.2011.01.007, PubMed 21316163

Gjerde H, Christophersen AS, Normann PT, Mørland J (2011)
Toxicological investigations of drivers killed in road traffic accidents in Norway during 2006-2008
Forensic Sci Int, 212 (1-3), 102-9
DOI 10.1016/j.forsciint.2011.05.021, PubMed 21665393

Gjerde H, Normann PT, Christophersen AS, Mørland J (2011)
Prevalence of driving with blood drug concentrations above proposed new legal limits in Norway: estimations based on drug concentrations in oral fluid
Forensic Sci Int, 210 (1-3), 221-7
DOI 10.1016/j.forsciint.2011.03.021, PubMed 21482055

Gjerde H, Normann PT, Christophersen AS, Samuelsen SO, Mørland J (2011)
Alcohol, psychoactive drugs and fatal road traffic accidents in Norway: a case-control study
Accid Anal Prev, 43 (3), 1197-203
DOI 10.1016/j.aap.2010.12.034, PubMed 21376919

Gjerde H, Verstraete AG (2011)
Estimating equivalent cutoff thresholds for drugs in blood and oral fluid using prevalence regression: a study of tetrahydrocannabinol and amphetamine
Forensic Sci Int, 212 (1-3), e26-30
DOI 10.1016/j.forsciint.2011.06.024, PubMed 21775080

Gjerde H, Øiestad EL, Christophersen AS (2011)
Using biological samples in epidemiological research on drugs of abuse
Norsk Epidemiologi, 21 (1), 5-14
PublikaID 293

Jamt RE, Gjelstad A, Eibak LE, Øiestad EL, Christophersen AS, Rasmussen KE, Pedersen-Bjergaard S (2011)
Electromembrane extraction of stimulating drugs from undiluted whole blood
J Chromatogr A, 1232, 27-36
DOI 10.1016/j.chroma.2011.08.058, PubMed 21899849

Lund HM, Øiestad EL, Gjerde H, Christophersen AS (2011)
Drugs of abuse in oral fluid collected by two different sample kits--stability testing and validation using ultra performance tandem mass spectrometry analysis
J Chromatogr B Analyt Technol Biomed Life Sci, 879 (30), 3367-77
DOI 10.1016/j.jchromb.2011.09.002, PubMed 21962269

Lund HME, Bogstrand ST, Christophersen AS (2011)
Results of workplace drug testing in Norway
Norsk epidemiologi, 21 (1), 55-59
PublikaID 264

Lund HME, Øiestad EL, Gjerde H, Christophersen AS (2011)
Drugs of abuse in oral fluid collected by two different sample kits-stability testing and validation using ultra performance tandem mass spectrometry analysis.
J Chromatogr B Analyt Technol Biomed Life Sci, 879 (30), 3367-77
DOI 10.1016/j.jchromb.2011.09.002 , PublikaID 263

Magnus P, Bakke E, Hoff DA, Høiseth G, Graff-Iversen S, Knudsen GP, Myhre R, Normann PT, Næss Ø, Tambs K, Thelle DS, Mørland J (2011)
Controlling for high-density lipoprotein cholesterol does not affect the magnitude of the relationship between alcohol and coronary heart disease
Circulation, 124 (21), 2296-302
DOI 10.1161/CIRCULATIONAHA.111.036491, PubMed 22042888

Publications 2010

Gjerde H, Christophersen AS, Moan IS, Yttredal B, Walsh JM, Normann PT, Mørland J (2010)
Use of alcohol and drugs by Norwegian employees: a pilot study using questionnaires and analysis of oral fluid
J Occup Med Toxicol, 5, 13
DOI 10.1186/1745-6673-5-13, PubMed 20550667

Gjerde H, Mordal J, Christophersen AS, Bramness JG, Mørland J (2010)
Comparison of drug concentrations in blood and oral fluid collected with the Intercept sampling device
J Anal Toxicol, 34 (4), 204-9
DOI 10.1093/jat/34.4.204, PubMed 20465866

Gjerde H, Normann PT, Christophersen AS (2010)
The prevalence of alcohol and drugs in sampled oral fluid is related to sample volume
J Anal Toxicol, 34 (7), 416-9
DOI 10.1093/jat/34.7.416, PubMed 20822680

Gjerde H, Øiestad EL, Øiestad ÅM, Langødegård M, Gustavsen I, Hjelmeland K, Bernard JP, Christophersen AS (2010)
Comparison of zopiclone concentrations in oral fluid sampled with Intercept(®) oral specimen collection device and Statsure Saliva Sampler™ and concentrations in blood
J Anal Toxicol, 34 (9), 590-3
DOI 10.1093/jat/34.9.590, PubMed 21073813

Høiseth G, Yttredal B, Karinen R, Gjerde H, Christophersen A (2010)
Levels of ethyl glucuronide and ethyl sulfate in oral fluid, blood, and urine after use of mouthwash and ingestion of nonalcoholic wine
J Anal Toxicol, 34 (2), 84-8
DOI 10.1093/jat/34.2.84, PubMed 20223100

Høiseth G, Yttredal B, Karinen R, Gjerde H, Mørland J, Christophersen A (2010)
Ethyl glucuronide concentrations in oral fluid, blood, and urine after volunteers drank 0.5 and 1.0 g/kg doses of ethanol
J Anal Toxicol, 34 (6), 319-24
DOI 10.1093/jat/34.6.319, PubMed 20663284

Publications 2009

Bakke E, Bachs L (2009)
[Interactions with methadone and buprenorphine]
Tidsskr Nor Laegeforen, 129 (22), 2364-6
DOI 10.4045/tidsskr.09.0471, PubMed 19935937

Gjerde H, Verstraete A (2009)
Can the prevalence of high blood drug concentrations in a population be estimated by analysing oral fluid? A study of tetrahydrocannabinol and amphetamine
Forensic Sci Int, 195 (1-3), 153-9
DOI 10.1016/j.forsciint.2009.12.011, PubMed 20045272

Publications 2008

Berg T, Lundanes E, Christophersen AS, Strand DH (2008)
Determination of opiates and cocaine in urine by high pH mobile phase reversed phase UPLC-MS/MS
J Chromatogr B Analyt Technol Biomed Life Sci, 877 (4), 421-32
DOI 10.1016/j.jchromb.2008.12.052, PubMed 19144579

Gjerde H, Normann PT, Pettersen BS, Assum T, Aldrin M, Johansen U, Kristoffersen L, Øiestad EL, Christophersen AS, Mørland J (2008)
Prevalence of alcohol and drugs among Norwegian motor vehicle drivers: a roadside survey
Accid Anal Prev, 40 (5), 1765-72
DOI 10.1016/j.aap.2008.06.015, PubMed 18760106

Publications 2007

Hegstad S, Khiabani HZ, Øiestad EL, Berg T, Christophersen AS (2007)
Rapid quantification of buprenorphine-glucuronide and norbuprenorphine-glucuronide in human urine by LC-MS-MS
J Anal Toxicol, 31 (4), 214-9
DOI 10.1093/jat/31.4.214, PubMed 17555645

Publications 2001

Gjerde H, Snøtun A, Hem H, Larsen KH, Døhl J (2001)
Determination of mangafodipir trisodium and related impurities in bulk substance and pharmaceutical formulation by ion-pair high-performance liquid chromatography
J Pharm Biomed Anal, 25 (1), 109-14
DOI 10.1016/s0731-7085(00)00500-8, PubMed 11274864

Publications 1993

Gjerde H, Beylich KM, Mørland J (1993)
Incidence of alcohol and drugs in fatally injured car drivers in Norway
Accid Anal Prev, 25 (4), 479-83
DOI 10.1016/0001-4575(93)90078-b, PubMed 8357462

Gjerde H, Hasvold I, Pettersen G, Christophersen AS (1993)
Determination of amphetamine and methamphetamine in blood by derivatization with perfluorooctanoyl chloride and gas chromatography/mass spectrometry
J Anal Toxicol, 17 (2), 65-8
DOI 10.1093/jat/17.2.65, PubMed 8492568

Publications 1992

Gjerde H, Dahlin E, Christophersen AS (1992)
Simultaneous determination of common benzodiazepines in blood using capillary gas chromatography
J Pharm Biomed Anal, 10 (5), 317-22
DOI 10.1016/0731-7085(92)80046-p, PubMed 1354986

Ruud J, Gjerde H (1992)
[Alcohol consumption among convicted drivers]
Tidsskr Nor Laegeforen, 112 (25), 3216-20
PubMed 1462298

Publications 1991

Gjerde H (1991)
Screening for cannabinoids in blood using EMIT: concentrations of delta-9-tetrahydrocannabinol in relation to EMIT results
Forensic Sci Int, 50 (1), 121-4
DOI 10.1016/0379-0738(91)90140-e, PubMed 1657743

Gjerde H, Fongen U, Gundersen H, Christophersen AS (1991)
Evaluation of a method for simultaneous quantification of codeine, ethylmorphine and morphine in blood
Forensic Sci Int, 51 (1), 105-10
DOI 10.1016/0379-0738(91)90210-a, PubMed 1752586

Gjerde H, Kinn G (1991)
Impairment in drivers due to cannabis in combination with other drugs
Forensic Sci Int, 50 (1), 57-60
DOI 10.1016/0379-0738(91)90133-4, PubMed 1657744

Gjerde H, Mørland J (1991)
A case of high opiate tolerance: implications for drug analyses and interpretations
Int J Legal Med, 104 (4), 239-40
DOI 10.1007/BF01369814, PubMed 1931742

Publications 1990

Christophersen AS, Gjerde H, Bjørneboe A, Sakshaug J, Mørland J (1990)
Screening for drug use among Norwegian drivers suspected of driving under influence of alcohol or drugs
Forensic Sci Int, 45 (1-2), 5-14
DOI 10.1016/0379-0738(90)90216-l, PubMed 2159431

Gjerde H, Christophersen AS, Bjørneboe A, Sakshaug J, Mørland J (1990)
Driving under the influence of other drugs than alcohol in Norway
Acta Med Leg Soc (Liege), 40, 71-7
PubMed 2135865

Gjerde H, Christophersen AS, Skuterud B, Klemetsen K, Mørland J (1990)
Screening for drugs in forensic blood samples using EMIT urine assays
Forensic Sci Int, 44 (2-3), 179-85
DOI 10.1016/0379-0738(90)90248-w, PubMed 2180797

Gjerde H, Smith-Kielland A, Normann PT, Morland J (1990)
Driving under the influence of toluene
Forensic Sci Int, 44 (1), 77-83
DOI 10.1016/0379-0738(90)90170-4, PubMed 2303210

Publications 1989

Sollid LM, Markussen G, Ek J, Gjerde H, Vartdal F, Thorsby E (1989)
Evidence for a primary association of celiac disease to a particular HLA-DQ alpha/beta heterodimer
J Exp Med, 169 (1), 345-50
DOI 10.1084/jem.169.1.345, PubMed 2909659

Publications 1988

Gjerde H, Bjørneboe A, Bjørneboe GE, Bugge A, Drevon CA, Mørland J (1988)
A three-year prospective study of rearrests for driving under influence of alcohol or drugs
Accid Anal Prev, 20 (1), 53-7
DOI 10.1016/0001-4575(88)90014-0, PubMed 3337765

Gjerde H, Johnsen J, Bjørneboe A, Bjørneboe GE, Mørland J (1988)
A comparison of serum carbohydrate-deficient transferrin with other biological markers of excessive drinking
Scand J Clin Lab Invest, 48 (1), 1-6
DOI 10.3109/00365518809085386, PubMed 3217743

Gjerde H, Mørland J (1988)
A two year prospective study of rearrests for drunken driving
Scand J Soc Med, 16 (2), 111-3
DOI 10.1177/140349488801600209, PubMed 2898808

Publications 1987

Bjørneboe A, Bjørneboe GE, Gjerde H, Bugge A, Drevon CA, Mørland J (1987)
A retrospective study of drugged driving in Norway
Forensic Sci Int, 33 (4), 243-51
DOI 10.1016/0379-0738(87)90105-8, PubMed 3034750

Gjerde H (1987)
Daily drinking and drunken driving
Scand J Soc Med, 15 (2), 73-7
DOI 10.1177/140349488701500204, PubMed 2885913

Gjerde H, Amundsen A, Skog OJ, Mørland J, Aasland OG (1987)
Serum gamma-glutamyltransferase: an epidemiological indicator of alcohol consumption?
Br J Addict, 82 (9), 1027-31
DOI 10.1111/j.1360-0443.1987.tb01564.x, PubMed 2890368

Gjerde H, Mørland J (1987)
Concentrations of carbohydrate-deficient transferrin in dialysed plasma from drunken drivers
Alcohol Alcohol, 22 (3), 271-6
PubMed 2887174

Gjerde H, Mørland J (1987)
The prevalence of binge drinking and heavy drinking among drunken drivers arrested due to involvement in road traffic accidents
Blutalkohol, 24 (3), 199-203
PubMed 3501962

Gjerde H, Normann PT, Mørland J (1987)
Determination of serum tryptophan by isocratic high-performance liquid chromatography and ultraviolet detection
Biomed Biochim Acta, 46 (1), 53-7
PubMed 3579886

Publications 1986

Gjerde H, Engelstad KS, Mørland J (1986)
A comparison of female and male drivers arrested on suspicion of driving under the influence of alcohol or drugs
Blutalkohol, 23 (6), 438-43
PubMed 2879548

Gjerde H, Sakshaug J, Mørland J (1986)
Heavy drinking among Norwegian male drunken drivers: a study of gamma-glutamyltransferase
Alcohol Clin Exp Res, 10 (2), 209-12
DOI 10.1111/j.1530-0277.1986.tb05073.x, PubMed 2872834

Publications 1985

Gjerde H, Gadeholt G, Olsen H, Mørland J, Norman N (1985)
11-Deoxycortisol induces hepatic tryptophan oxygenase in rats
Acta Pharmacol Toxicol (Copenh), 57 (1), 36-9
DOI 10.1111/j.1600-0773.1985.tb00006.x, PubMed 4050454

Gjerde H, Mørland J (1985)
Determination of gamma glutamyltransferase in completely haemolysed blood samples
Scand J Clin Lab Invest, 45 (7), 661-4
DOI 10.3109/00365518509155275, PubMed 2866579

Gjerde H, Mørland J, Olsen H (1985)
The antiglucocorticoid RU486 inhibits the ethanol-induced increase of tryptophan oxygenase
J Steroid Biochem, 23 (6A), 1091-2
DOI 10.1016/0022-4731(85)90074-3, PubMed 4094416

Mørland J, Stowell L, Gjerde H (1985)
Ethanol increases rat liver tryptophan oxygenase: evidence for corticosterone mediation
Alcohol, 2 (2), 255-9
DOI 10.1016/0741-8329(85)90055-2, PubMed 4015847

Publications 1984

Gjerde H, Helgeland L (1984)
Effect of warfarin on ATP content, viability, glycosylation and protein synthesis in isolated rat hepatocytes
Acta Pharmacol Toxicol (Copenh), 54 (5), 385-8
DOI 10.1111/j.1600-0773.1984.tb01946.x, PubMed 6464783