Publications 2024

Gustavsen I, Gustavsen WR, Gajdzik T, Solyga VM (2024)
Delayed neuropsychiatric syndrome after carbon monoxide poisoning
Tidsskr Nor Laegeforen, 144 (3)
DOI 10.4045/tidsskr.23.0481, PubMed 38415575

Opdal MS, Rognstad S, Edvardsen F, Halvorsen LV, Mo R, Gustavsen I, Larstorp ACK, Søraas CL, Helland A (2024)
[Not Available]
Tidsskr Nor Laegeforen, 144
DOI 10.4045/tidsskr.24.0407, PubMed 39149754

Opdal MS, Rognstad S, Edvardsen F, Halvorsen LV, Mo R, Gustavsen I, Larstorp ACK, Søraas CL, Helland A (2024)
Usefulness of measuring the serum concentration of antihypertensive drugs in uncontrolled hypertension
Tidsskr Nor Laegeforen, 144 (9)
DOI 10.4045/tidsskr.24.0167, PubMed 39167005

Torp HA, Skurtveit SO, Gustavsen I, Gran JM, Rosseland LA (2024)
Post-injury use of opioid analgesics in patients with traumatic injury: A registry-based study
Eur J Pain (in press)
DOI 10.1002/ejp.4743, PubMed 39460371

Publications 2023

Gustavsen I, Heyerdahl F (2023)
[Sequelae in carbon monoxide poisoning]
Tidsskr Nor Laegeforen, 143 (13)
DOI 10.4045/tidsskr.23.0482, PubMed 37753769

Publications 2022

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

Thorstensen CW, Clasen PE, Rognstad S, Haldsrud R, Føreid S, Helstrøm T, Bergland OU, Halvorsen LV, Aune A, Olsen E, Brobak KM, Høieggen A, Gustavsen I, Larstorp ACK, Søraas CL, Opdal MS (2022)
Development of UHPLC-MS/MS methods to quantify 25 antihypertensive drugs in serum in a cohort of patients treated for hypertension
J Pharm Biomed Anal, 219, 114908
DOI 10.1016/j.jpba.2022.114908, PubMed 35803015

Publications 2021

Torp HA, Skurtveit S, Skaga NO, Gustavsen I, Gran JM, Rosseland LA (2021)
Pre-injury dispensing of psychoactive prescription drugs in a ten years trauma population: a retrospective registry analysis
Scand J Trauma Resusc Emerg Med, 29 (1), 125
DOI 10.1186/s13049-021-00939-6, PubMed 34454541

Publications 2018

Havig SM, Lea D, Krpo M, Skari RM, Gustavsen I, Høiseth G (2018)
Fatal Adverse Event with Dabigatran in Elderly Patient with Reduced Kidney Function
Basic Clin Pharmacol Toxicol, 123 (2), 221-226
DOI 10.1111/bcpt.12985, PubMed 29438599

Publications 2017

Hjelmeland K, Gustavsen I, Øiestad EL, Øiestad ÅML, Høiseth G, Mørland J (2017)
Zopiclone concentrations in oral fluid and blood after, administration of therapeutic doses of zopiclone
Forensic Sci Int, 278, 177-183
DOI 10.1016/j.forsciint.2017.07.004, PubMed 28735217

Torp HA, Gustavsen I, Romundstad L (2017)
[A botanical anesthesia]
Tidsskr Nor Laegeforen, 137 (23-24)
DOI 10.4045/tidsskr.17.0659, PubMed 29231661

Torp HA, Gustavsen I, Romundstad L (2017)
A botanical anesthesia
Tidsskr. Nor. Laegeforen., 137 (23-24), 1924-1928

Publications 2016

Helland A, Berg JA, Gustavsen I, Nordal K, Hilberg T, Aronsen L, Arnestad M, Narum S (2016)
Serum concentration measurements of addictive drugs
Tidsskr Nor Laegeforen, 136 (5), 400-2
DOI 10.4045/tidsskr.16.0030, PubMed 26983140

Sakshaug S, Handal M, Hjellvik V, Berg C, Ripel Å, Gustavsen I, Mørland J, Skurtveit S (2016)
Long-term Use of Z-Hypnotics and Co-medication with Benzodiazepines and Opioids
Basic Clin Pharmacol Toxicol, 120 (3), 292-298
DOI 10.1111/bcpt.12684, PubMed 27717229

Publications 2015

Hjelmeland K, Gustavsen I, Bernard JP, Mørland J (2015)
Can a simple clinical test detect impairment of zopiclone and alcohol? - A randomized controlled trial
Forensic Sci Int, 248, 129-33
DOI 10.1016/j.forsciint.2014.12.028, PubMed 25617762

Publications 2012

Gustavsen I, Hjelmeland K, Bernard JP, Mørland J (2012)
Individual psychomotor impairment in relation to zopiclone and ethanol concentrations in blood--a randomized controlled double-blinded trial
Addiction, 107 (5), 925-32
DOI 10.1111/j.1360-0443.2011.03693.x, PubMed 22008377

Publications 2011

Gustavsen I, Hjelmeland K, Bernard JP, Mørland J (2011)
Psychomotor performance after intake of zopiclone compared with intake of ethanol: a randomized, controlled, double-blinded trial
J Clin Psychopharmacol, 31 (4), 481-8
DOI 10.1097/JCP.0b013e3182214be6, PubMed 21694628

Publications 2010

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

Publications 2009

Gustavsen I, Al-Sammurraie M, Mørland J, Bramness JG (2009)
Impairment related to blood drug concentrations of zopiclone and zolpidem compared to alcohol in apprehended drivers
Accid Anal Prev, 41 (3), 462-6
DOI 10.1016/j.aap.2009.01.011, PubMed 19393793

Publications 2008

Bramness JG, Skurtveit S, Gustavsen I, Mørland J (2008)
The absence of evidence is not the same as evidence for absence!
Addiction, 103 (3), 513-4
DOI 10.1111/j.1360-0443.2007.02103.x, PubMed 18269374

Gustavsen I, Bramness JG, Skurtveit S, Engeland A, Neutel I, Mørland J (2008)
Road traffic accident risk related to prescriptions of the hypnotics zopiclone, zolpidem, flunitrazepam and nitrazepam
Sleep Med, 9 (8), 818-22
DOI 10.1016/j.sleep.2007.11.011, PubMed 18226959

Publications 2007

Gustavsen I, Hjelmeland K, Bachs L, Mørland J (2007)
[Substance abuse can cause stroke]
Tidsskr Nor Laegeforen, 127 (10), 1401; author reply 1401-2
PubMed 17520003

Publications 2005

Gustavsen I, Mørland J, Bramness JG (2005)
Impairment related to blood amphetamine and/or methamphetamine concentrations in suspected drugged drivers
Accid Anal Prev, 38 (3), 490-5
DOI 10.1016/j.aap.2005.11.005, PubMed 16343411

Olsen V, Gustavsen I, Bramness JG, Hasvold I, Karinen R, Christophersen AS, Mørland J (2005)
The concentrations, appearance and taste of nine sedating drugs dissolved in four different beverages
Forensic Sci Int, 151 (2-3), 171-5
DOI 10.1016/j.forsciint.2005.01.017, PubMed 15939149