Tor Ole Klemsdal

  • Consultant; MD
 

Publications 2023

Svilaas T, Klemsdal TO, Bogsrud MP, Græsdal A, Vesterbekkmo EK, Asprusten EA, Langslet G, Retterstøl K (2023)
[Correction: High levels of lipoprotein(a) – assessment and treatment]
Tidsskr Nor Laegeforen, 143 (2)
DOI 10.4045/tidsskr.23.0023, PubMed 36718898

Publications 2022

Bergum H, Sandven I, Abdelnoor M, Anderssen SA, Grimsmo J, Rivrud DE, Myhr NE, Vold MB, Stenbakken C, Lidfors B, Dufseth L, Klemsdal TO (2022)
Randomized trial of cardiovascular prevention in Norway combining an in-hospital lifestyle course with primary care follow-up: the Hjerteløftet study
Eur J Prev Cardiol, 29 (17), 2252-2263
DOI 10.1093/eurjpc/zwac211, PubMed 36124709

Meyer HE, Selmer R, Rabanal KS, Klemsdal TO (2022)
Many refugees are at a high risk of cardiovascular disease
Tidsskr Nor Laegeforen, 142 (12)
DOI 10.4045/tidsskr.22.0365, PubMed 36066236

Svilaas T, Klemsdal TO, Bogsrud MP, Græsdal A, Vesterbekkmo EK, Asprusten EA, Langslet G, Retterstøl K (2022)
High levels of lipoprotein(a) - assessment and treatment
Tidsskr Nor Laegeforen, 142 (1)
DOI 10.4045/tidsskr.21.0800, PubMed 36655975

Publications 2021

Bergum H, Sandven I, Klemsdal TO (2021)
Long-term effects (> 24 months) of multiple lifestyle intervention on major cardiovascular risk factors among high-risk subjects: a meta-analysis
BMC Cardiovasc Disord, 21 (1), 181
DOI 10.1186/s12872-021-01989-5, PubMed 33858345

Svendsen M, Heggen E, Klemsdal TO, Tonstad S (2021)
Diet, eating behaviour and weight gain in men and women with overweight/obesity receiving varenicline for smoking cessation
Clin Obes, 11 (3), e12447
DOI 10.1111/cob.12447, PubMed 33751845

Publications 2020

Rabanal KS, Igland J, Tell GS, Jenum AK, Klemsdal TO, Ariansen I, Meyer HE, Selmer RM (2020)
Validation of the cardiovascular risk model NORRISK 2 in South Asians and people with diabetes
Scand Cardiovasc J, 55 (1), 56-62
DOI 10.1080/14017431.2020.1821909, PubMed 33073627

Tonstad S, Klemsdal TO, Dusanov S, Gulseth H (2020)
Randomized trials of diet and persistent organic pollutants: Reply to Drs. Lee and Lee
Nutr Metab Cardiovasc Dis, 30 (5), 851-852
DOI 10.1016/j.numecd.2020.02.019, PubMed 32276864

Publications 2019

Dusanov S, Svendsen M, Ruzzin J, Kiviranta H, Gulseth HL, Klemsdal TO, Tonstad S (2019)
Effect of fatty fish or nut consumption on concentrations of persistent organic pollutants in overweight or obese men and women: A randomized controlled clinical trial
Nutr Metab Cardiovasc Dis, 30 (3), 448-458
DOI 10.1016/j.numecd.2019.11.006, PubMed 32008913

Kjeldsen SE, Aksnes TA, Mo R, Klemsdal TO (2019)
Impact of the New ACC/AHA and ESC/ESH Hypertension Guidelines for Norway
Eur Heart J, 40 (19), 1485-1487
DOI 10.1093/eurheartj/ehz266, PubMed 31087051

Sundfør TM, Svendsen M, Heggen E, Dushanov S, Klemsdal TO, Tonstad S (2019)
BMI modifies the effect of dietary fat on atherogenic lipids: a randomized clinical trial
Am J Clin Nutr, 110 (4), 832-841
DOI 10.1093/ajcn/nqz113, PubMed 31216575

Publications 2018

Dusanov S, Ruzzin J, Kiviranta H, Klemsdal TO, Retterstøl L, Rantakokko P, Airaksinen R, Djurovic S, Tonstad S (2018)
Associations between persistent organic pollutants and metabolic syndrome in morbidly obese individuals
Nutr Metab Cardiovasc Dis, 28 (7), 735-742
DOI 10.1016/j.numecd.2018.03.004, PubMed 29699815

Publications 2017

Klemsdal TO, Gjelsvik B, Elling I, Johansen S, Kjeldsen SE, Kristensen O, Madsen S, Njolstad I, Selmer R, Tonstad S, Voie H (2017)
New guidelines for the prevention of cardiovascular disease
Tidsskr. Nor. Laegeforen., 137 (16), 1164-1168

Klemsdal TO, Gjelsvik B, Elling I, Johansen S, Kjeldsen SE, Kristensen Ø, Madsen S, Njølstad I, Selmer R, Tonstad S, Voie H (2017)
New guidelines for the prevention of cardiovascular disease
Tidsskr Nor Laegeforen, 137 (16)
DOI 10.4045/tidsskr.17.0109, PubMed 28871738

Klemsdal TO, Gjelsvik B, Elling I, Johansen S, Kjeldsen SE, Kristensen Ø, Madsen S, Njølstad I, Selmer R, Tonstad S, Voie H (2017)
[Not Available]
Tidsskr Nor Laegeforen, 137 (19)
DOI 10.4045/tidsskr.17.0794, PubMed 29043734

Selmer R, Igland J, Ariansen I, Tverdal A, Njølstad I, Furu K, Tell GS, Klemsdal TO (2017)
NORRISK 2: A Norwegian risk model for acute cerebral stroke and myocardial infarction
Eur J Prev Cardiol, 24 (7), 773-782
DOI 10.1177/2047487317693949, PubMed 28206819

Aambo A, Klemsdal TO (2017)
Cardiovascular disease and diabetes by African or Asian background
Tidsskr. Nor. Laegeforen., 137 (22), 1790-1794

Aambø A, Klemsdal TO (2017)
Cardiovascular disease and diabetes in patients with African or Asian background
Tidsskr Nor Laegeforen, 137 (22)
DOI 10.4045/tidsskr.16.0680, PubMed 29181932

Publications 2015

Heggen E, Svendsen M, Klemsdal TO, Tonstad S (2015)
Low Carbohydrate and Moderately Fat-Reduced Diets Similarly Affected Early Weight Gain in Varenicline-Treated Overweight or Obese Smokers
Nicotine Tob Res, 18 (6), 1440-8
DOI 10.1093/ntr/ntv164, PubMed 26242289

Publications 2014

Svendsen M, Tonstad S, Heggen E, Pedersen TR, Seljeflot I, Bøhn SK, Bastani NE, Blomhoff R, Holme IM, Klemsdal TO (2014)
The effect of kiwifruit consumption on blood pressure in subjects with moderately elevated blood pressure: a randomized, controlled study
Blood Press, 24 (1), 48-54
DOI 10.3109/08037051.2014.976979, PubMed 25483553

Publications 2013

Klemsdal TO (2013)
[Diet, cholesterol and carbohydrates]
Tidsskr Nor Laegeforen, 133 (2), 184-6
DOI 10.4045/tidsskr.12.0698, PubMed 23344605

Klemsdal TO (2013)
[Tor Ole Klemsdal replies]
Tidsskr Nor Laegeforen, 133 (6), 614
DOI 10.4045/tidsskr.13.0277, PubMed 23552149

Publications 2012

Heggen E, Klemsdal TO, Haugen F, Holme I, Tonstad S (2012)
Effect of a low-fat versus a low-gycemic-load diet on inflammatory biomarker and adipokine concentrations
Metab Syndr Relat Disord, 10 (6), 437-42
DOI 10.1089/met.2012.0012, PubMed 22889406

Publications 2011

Norheim OF, Gjelsvik B, Klemsdal TO, Madsen S, Meland E, Narvesen S, Negard A, Njolstad I, Tonstad S, Ulvin F, Wisloff T (2011)
Norway's new principles for primary prevention of cardiovascular disease: age differentiated risk thresholds
BMJ-British Medical Journal, 343, d3626
DOI 10.1136/bmj.d3626

Publications 2010

Einvik G, Klemsdal TO, Sandvik L, Hjerkinn EM (2010)
A randomized clinical trial on n-3 polyunsaturated fatty acids supplementation and all-cause mortality in elderly men at high cardiovascular risk
Eur J Cardiovasc Prev Rehabil, 17 (5), 588-92
DOI 10.1097/HJR.0b013e328339cc70, PubMed 20389249

Publications 2009

Einvik G, Ekeberg O, Klemsdal TO, Sandvik L, Hjerkinn EM (2009)
Physical distress is associated with cardiovascular events in a high risk population of elderly men
BMC Cardiovasc Disord, 9, 14
DOI 10.1186/1471-2261-9-14, PubMed 19331677

Einvik G, Ekeberg O, Lavik JG, Ellingsen I, Klemsdal TO, Hjerkinn EM (2009)
The influence of long-term awareness of hyperlipidemia and of 3 years of dietary counseling on depression, anxiety, and quality of life
J Psychosom Res, 68 (6), 567-72
DOI 10.1016/j.jpsychores.2009.11.004, PubMed 20488274

Klemsdal TO, Holme I, Nerland H, Pedersen TR, Tonstad S (2009)
Effects of a low glycemic load diet versus a low-fat diet in subjects with and without the metabolic syndrome
Nutr Metab Cardiovasc Dis, 20 (3), 195-201
DOI 10.1016/j.numecd.2009.03.010, PubMed 19502017

Madsen S, Gjelsvik B, Kjeldsen SE, Klemsdal TO, Meland E, Narvesen S, Norheim OF, Njølstad I, Tonstad S, Ulvin F (2009)
[Solid guidelines for prevention of cardiovascular diseases]
Tidsskr Nor Laegeforen, 129 (16), 1660
DOI 10.4045/tidsskr.09.0851, PubMed 19721488

Trøseid M, Seljeflot I, Weiss TW, Klemsdal TO, Hjerkinn EM, Arnesen H (2009)
Arterial stiffness is independently associated with interleukin-18 and components of the metabolic syndrome
Atherosclerosis, 209 (2), 337-9
DOI 10.1016/j.atherosclerosis.2009.09.028, PubMed 19836750

Publications 2007

Hjelstuen A, Anderssen SA, Holme I, Seljeflot I, Klemsdal TO (2007)
Effect of lifestyle and/or statin treatment on soluble markers of atherosclerosis in hypertensives
Scand Cardiovasc J, 41 (5), 313-20
DOI 10.1080/14017430701411234, PubMed 17852781

Publications 2006

Gerhardsen G, Klemsdal TO (2006)
Temahefte hypertensjon
Novartis Norge, Oslo, 23 s.
BIBSYS 060747994

Hjelstuen A, Anderssen SA, Holme I, Seljeflot I, Klemsdal TO (2006)
Markers of inflammation are inversely related to physical activity and fitness in sedentary men with treated hypertension
Am J Hypertens, 19 (7), 669-75; discussion 676-7
DOI 10.1016/j.amjhyper.2005.11.012, PubMed 16814119

Tonstad S, Klemsdal TO, Landaas S, Høieggen A (2006)
No effect of increased water intake on blood viscosity and cardiovascular risk factors
Br J Nutr, 96 (6), 993-6
DOI 10.1017/bjn20061969, PubMed 17181872

Trøseid M, Hjerkinn EM, Seljeflot I, Klemsdal TO, Bergengen L, Breivik L, Arnesen H (2006)
Comparison of biochemical, functional and structural aspects of arterial wall properties in elderly men
Scand J Clin Lab Invest, 66 (2), 137-45
DOI 10.1080/00365510500474462, PubMed 16537247

Publications 2005

Gerhardsen G, Klemsdal TO (2005)
Temahefte EKG
Novartis Norge, Oslo, 31 s.
BIBSYS 051468271

Klemsdal TO (2005)
[Significance of cholesterol for cardiovascular disease mortality]
Tidsskr Nor Laegeforen, 125 (4), 464
PubMed 15742026

Knudsen CW, Clopton P, Westheim A, Klemsdal TO, Wu AH, Duc P, McCord J, Nowak RM, Hollander JE, Storrow AB, Abraham WT, McCullough PA, Maisel AS, Omland T (2005)
Predictors of elevated B-type natriuretic peptide concentrations in dyspneic patients without heart failure: an analysis from the breathing not properly multinational study
Ann Emerg Med, 45 (6), 573-80
DOI 10.1016/j.annemergmed.2005.01.027, PubMed 15940086

Publications 2004

Klemsdal TO, Tonstad S, Hjermann I (2004)
[How to identify individuals with elevated cardiovascular risk?]
Tidsskr Nor Laegeforen, 124 (6), 799-801
PubMed 15039814

Publications 2003

Klemsdal TO (2003)
[About physicians and journalists, risk of death and misunderstandings]
Tidsskr Nor Laegeforen, 123 (18), 2619
PubMed 14714060

Publications 2001

Klemsdal TO (2001)
[Immunomodulating treatment of heart failure--effective or not?]
Tidsskr Nor Laegeforen, 121 (22), 2638
PubMed 11668769

Publications 1999

Klemsdal TO, Moan A, Kjeldsen SE (1999)
Effects of selective angiotensin II type 1 receptor blockade with losartan on arterial compliance in patients with mild essential hypertension
Blood Press, 8 (4), 214-9
DOI 10.1080/080370599439599, PubMed 10697301

Publications 1997

Klemsdal TO (1997)
Transdermal kinetics and nitrate tolerance. Measurements of vasodilation by photoplethysmography
Scand Cardiovasc J, 31 (6), 368
PubMed 9455788

Klemsdal TO (1997)
Transdermal kinetics and nitrate tolerance: measurements of vasodilation by photoplethysmography
In Hjerteforum, Supplement, Norsk cardiologisk selskap, Oslo, 4 - 1997, 1 b. (flere pag.)
BIBSYS 971663653

Klemsdal TO, Mundal HH, Bredesen JE, Gjesdal K (1997)
Transdermal nitroglycerin: clinical and pharmacokinetic consequences of renewing the patch and the application site
Eur J Clin Pharmacol, 52 (5), 379-81
DOI 10.1007/s002280050304, PubMed 9272407

Publications 1996

Klemsdal TO, Gjesdal K (1996)
Intermittent or continuous transdermal nitroglycerin: still an issue, or is the case closed?
Cardiovasc Drugs Ther, 10 (1), 5-10
DOI 10.1007/BF00051124, PubMed 8723164

Klemsdal TO, Mundal HH, Gjesdal K (1996)
Effects of carvedilol and atenolol on arterial pulse curves (plethysmography) and finger temperature after hand cooling
Eur J Clin Pharmacol, 50 (6), 483-9
DOI 10.1007/s002280050145, PubMed 8858276

Klemsdal TO, Mundal HH, Gjesdal K (1996)
Mechanisms of tolerance during treatment with nitroglycerin patches for 24 h
Eur J Clin Pharmacol, 51 (3-4), 227-30
DOI 10.1007/s002280050188, PubMed 9010689

Publications 1995

Klemsdal TO, Gjesdal K, Zahlsen K (1995)
Physical exercise increases plasma concentrations of nicotine during treatment with a nicotine patch
Br J Clin Pharmacol, 39 (6), 677-9
DOI 10.1111/j.1365-2125.1995.tb05728.x, PubMed 7654487

Publications 1994

Ekeberg O, Klemsdal TO, Kjeldsen SE (1994)
Quality of life on enalapril after acute myocardial infarction
Eur Heart J, 15 (8), 1135-9
DOI 10.1093/oxfordjournals.eurheartj.a060640, PubMed 7988608

Klemsdal TO, Andersson TL, Matz J, Ferns GA, Gjesdal K, Anggård EE (1994)
Vitamin E restores endothelium dependent vasodilatation in cholesterol fed rabbits: in vivo measurements by photoplethysmography
Cardiovasc Res, 28 (9), 1397-402
DOI 10.1093/cvr/28.9.1397, PubMed 7954652

Klemsdal TO, Mangschau A (1994)
[Heart failure in Norwegian hospital departments. Prevalence, diagnostic and therapeutic aspects]
Tidsskr Nor Laegeforen, 114 (21), 2473-6
PubMed 7940446

Klemsdal TO, Mundal HH, Rudberg N, Gjesdal K (1994)
A new isosorbide dinitrate extended-release formulation: pharmacokinetic and clinical parameters in patients with stable angina pectoris
Eur J Clin Pharmacol, 47 (4), 351-4
DOI 10.1007/BF00191167, PubMed 7875187

Publications 1992

Klemsdal TO, Gjesdal K (1992)
The effect of transdermal nitroglycerin on exercise tolerance in relation to patch application time--a meta-analysis
Cardiovasc Drugs Ther, 6 (6), 641-9
DOI 10.1007/BF00052566, PubMed 1292583

Klemsdal TO, Gjesdal K, Bredesen JE (1992)
Heating and cooling of the nitroglycerin patch application area modify the plasma level of nitroglycerin
Eur J Clin Pharmacol, 43 (6), 625-8
DOI 10.1007/BF02284961, PubMed 1493844

Mangschau A, Klemsdal TO (1992)
[Treatment of heart failure. A questionnaire among Norwegian hospital physicians]
Tidsskr Nor Laegeforen, 112 (17), 2218-21
PubMed 1523662

Publications 1991

Gjesdal K, Klemsdal TO, Rykke EO, Bredesen JE (1991)
Transdermal nitrate therapy: bioavailability during exercise increases transiently after the daily change of patch
Br J Clin Pharmacol, 31 (5), 560-2
DOI 10.1111/j.1365-2125.1991.tb05582.x, PubMed 1909540

Klemsdal TO (1991)
[Temporal arteritis without elevated erythrocyte sedimentation rate]
Tidsskr Nor Laegeforen, 111 (15), 1848-9
PubMed 1853317

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