Bengt Kayser

Summary

Affiliation: University of Geneva
Country: Switzerland

Publications

  1. ncbi Comparing questionnaires for the assessment of acute mountain sickness
    Pascale Dellasanta
    Département de médecine communautaire, Hopitaux Universitaires, Geneva, Switzerland
    High Alt Med Biol 8:184-91. 2007
  2. ncbi Viewpoint: Legalisation of performance-enhancing drugs
    Bengt Kayser
    Faculty of Medicine, University of Geneva, Switzerland
    Lancet 366:S21. 2005
  3. ncbi Exercise starts and ends in the brain
    Bengt Kayser
    Faculty of Medicine, University of Geneva, Switzerland
    Eur J Appl Physiol 90:411-9. 2003
  4. pmc Globalisation of anti-doping: the reverse side of the medal
    Bengt Kayser
    University of Geneva, 1211 Geneva 4, Switzerland
    BMJ 337:a584. 2008
  5. pmc Current anti-doping policy: a critical appraisal
    Bengt Kayser
    Professor, Institute of Movement Sciences and Sports Medicine, Faculty of Medicine, University of Geneva, Switzerland
    BMC Med Ethics 8:2. 2007
  6. ncbi Determinants of active commuting
    Bengt Kayser
    University of Geneva, Faculty of Medicine, EEPS ISMMS, Geneva 1205, Switzerland
    Prev Med 46:8. 2008
  7. doi Low-dose acetylsalicylic acid analog and acetazolamide for prevention of acute mountain sickness
    Bengt Kayser
    Institute of Movement Sciences and Sports Medicine, Faculty of Medicine, University of Geneva, Switzerland
    High Alt Med Biol 9:15-23. 2008
  8. doi Prepregnancy body mass index and resting metabolic rate during pregnancy
    Katarina Melzer
    Institute of Movement Sciences and Sports Medicine, University of Geneva, Switzerland
    Ann Nutr Metab 57:221-7. 2010
  9. ncbi Physical activity and pregnancy: cardiovascular adaptations, recommendations and pregnancy outcomes
    Katarina Melzer
    Institute of Movement Sciences and Sports Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
    Sports Med 40:493-507. 2010
  10. doi Comparison of a visual analogue scale and Lake Louise symptom scores for acute mountain sickness
    Bengt Kayser
    Institut des Sciences du Mouvement et de la Médecine du Sport, Universite de Geneve, Geneve, Switzerland
    High Alt Med Biol 11:69-72. 2010

Collaborators

Detail Information

Publications41

  1. ncbi Comparing questionnaires for the assessment of acute mountain sickness
    Pascale Dellasanta
    Département de médecine communautaire, Hopitaux Universitaires, Geneva, Switzerland
    High Alt Med Biol 8:184-91. 2007
    ..In conclusion, English questionnaires may pose problems in some international settings, and ESQ-III and LLQ may identify different populations as suffering from AMS...
  2. ncbi Viewpoint: Legalisation of performance-enhancing drugs
    Bengt Kayser
    Faculty of Medicine, University of Geneva, Switzerland
    Lancet 366:S21. 2005
  3. ncbi Exercise starts and ends in the brain
    Bengt Kayser
    Faculty of Medicine, University of Geneva, Switzerland
    Eur J Appl Physiol 90:411-9. 2003
    ..This model acknowledges the cardio-respiratory and muscle metabolic capacities as prime actors on the performance scene, while crediting the central nervous system for its pivotal role as the ultimate site where exercise starts and ends...
  4. pmc Globalisation of anti-doping: the reverse side of the medal
    Bengt Kayser
    University of Geneva, 1211 Geneva 4, Switzerland
    BMJ 337:a584. 2008
  5. pmc Current anti-doping policy: a critical appraisal
    Bengt Kayser
    Professor, Institute of Movement Sciences and Sports Medicine, Faculty of Medicine, University of Geneva, Switzerland
    BMC Med Ethics 8:2. 2007
    ..Resources invested in anti-doping are rising steeply and increasingly involve public funding. Most of the effort concerns elite athletes with much less impact on amateur sports and the general public...
  6. ncbi Determinants of active commuting
    Bengt Kayser
    University of Geneva, Faculty of Medicine, EEPS ISMMS, Geneva 1205, Switzerland
    Prev Med 46:8. 2008
  7. doi Low-dose acetylsalicylic acid analog and acetazolamide for prevention of acute mountain sickness
    Bengt Kayser
    Institute of Movement Sciences and Sports Medicine, Faculty of Medicine, University of Geneva, Switzerland
    High Alt Med Biol 9:15-23. 2008
    ..Kilimanjaro, acetazolamide 500 mg/day may not be sufficient to prevent AMS or to sufficiently reduce symptom intensity in almost half of subjects...
  8. doi Prepregnancy body mass index and resting metabolic rate during pregnancy
    Katarina Melzer
    Institute of Movement Sciences and Sports Medicine, University of Geneva, Switzerland
    Ann Nutr Metab 57:221-7. 2010
    ..The resting metabolic rate (RMR) varies among pregnant women. The factors responsible for this variability are unknown. This study aimed to assess the influence of the prepregnancy body mass index (BMI) on the RMR during late pregnancy...
  9. ncbi Physical activity and pregnancy: cardiovascular adaptations, recommendations and pregnancy outcomes
    Katarina Melzer
    Institute of Movement Sciences and Sports Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
    Sports Med 40:493-507. 2010
    ..Further studies with larger sample sizes are required to confirm the association between physical activity and outcomes of labour and delivery...
  10. doi Comparison of a visual analogue scale and Lake Louise symptom scores for acute mountain sickness
    Bengt Kayser
    Institut des Sciences du Mouvement et de la Médecine du Sport, Universite de Geneve, Geneve, Switzerland
    High Alt Med Biol 11:69-72. 2010
    ..Similar threshold effects were seen for the LLS(i) and VAS(i) scores. These findings indicate nonlinear scaling characteristics that render difficult a direct comparison of studies done with either VAS or LLS alone...
  11. ncbi Wide-pulse-high-frequency neuromuscular stimulation of triceps surae induces greater muscle fatigue compared with conventional stimulation
    Daria Neyroud
    Institute of Sport Sciences, University of Lausanne, Lausanne, Switzerland Department of Physiology, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland Institute of Movement Sciences and Sports Medicine, University of Geneva, Geneva, Switzerland
    J Appl Physiol (1985) 116:1281-9. 2014
    ....
  12. doi The effect of muscle fatigue on stimulus intensity requirements for central and peripheral fatigue quantification
    Daria Neyroud
    Institute of Movement Sciences and Sports Medicine, University of Geneva, Geneva, Switzerland
    Eur J Appl Physiol 114:205-15. 2014
    ..The present study was designed to determine the stimulation intensity necessary for an adequate assessment of central and peripheral components of neuromuscular fatigue of the knee extensors...
  13. doi Reappraisal of acetazolamide for the prevention of acute mountain sickness: a systematic review and meta-analysis
    Bengt Kayser
    Institute of Movement Sciences and Sports Medicine, Medical Faculty, University of Geneva, Geneva, Switzerland
    High Alt Med Biol 13:82-92. 2012
    ..The degree of efficacy of acetazolamide for the prevention of AMS is limited when the baseline risk is low, and there is some evidence of dose-responsiveness...
  14. doi Effect of inspired CO₂ on the ventilatory response to high intensity exercise
    Jui Lin Fan
    Institute of Movement Sciences and Sports Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
    Respir Physiol Neurobiol 180:283-8. 2012
    ..05), while no differences were observed in V(E), f, VO₂, or power output (P>0.05). These data suggest a progressively diminishing role of CO(2) chemoreception in the control of ventilation during maximal incremental exercise...
  15. doi Comparison of neuromuscular adjustments associated with sustained isometric contractions of four different muscle groups
    Daria Neyroud
    Institute of Movement Sciences and Sports Medicine, University of Geneva, Geneva, Switzerland
    J Appl Physiol (1985) 114:1426-34. 2013
    ..Thus the extent of muscle fatigue is not affected by time to task failure, whereas this latter determines the etiology of fatigue...
  16. doi Self-reported health, physical activity and socio-economic status of middle-aged and elderly participants to a popular road running race in Switzerland: better off than the general population?
    Anne Chatton
    Institute of Movement Sciences and Sports Medicine, Faculty of Medicine, University of Geneva, Switzerland
    Swiss Med Wkly 143:w13710. 2013
    ..We compared PA determinants of runners aged 50+ to those of a general population sample of similar age in Switzerland...
  17. doi Effects of recommended levels of physical activity on pregnancy outcomes
    Katarina Melzer
    Institute of Movement Sciences and Sports Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland Department of Obstetrics and Gynaecology, University Hospitals of Geneva, Faculty of Medicine, University of Geneva, Geneva, Switzerland
    Am J Obstet Gynecol 202:266.e1-6. 2010
    ..We sought to examine the relation between recommended levels of physical activity during pregnancy and pregnancy outcomes...
  18. ncbi Comparison of equations for estimating resting metabolic rate in healthy subjects over 70 years of age
    Katarina Melzer
    Institute of Movement Sciences and Sports Medicine, University of Geneva, Switzerland
    Clin Nutr 26:498-505. 2007
    ....
  19. pmc Second generation Tibetan lowlanders acclimatize to high altitude more quickly than Caucasians
    Claudio Marconi
    I B F M Consiglio Nazionale delle Ricerche, L I T A, Via Fratelli Cervi 93, I 20090 Segrate Milan, Italy
    J Physiol 556:661-71. 2004
    ..The above findings and the time course of adjustment of the investigated variables suggest that Tibetan lowlanders acclimatize to chronic hypoxia more quickly than Caucasians, independent of the degree of fitness of the latter...
  20. ncbi Measuring mountain maladies
    Robert Roach
    High Alt Med Biol 8:171-2. 2007
  21. ncbi Who should not go high: chronic disease and work at altitude during construction of the Qinghai-Tibet railroad
    Tian Yi Wu
    Physiological Research Group of the Ministry of Railroad, P R China
    High Alt Med Biol 8:88-107. 2007
    ....
  22. ncbi Estimation of oxygen uptake during fast running using accelerometry and heart rate
    Barry W Fudge
    International Centre for East African Running Science and Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, UK
    Med Sci Sports Exerc 39:192-8. 2007
    ..Previous investigations have reported that accelerometer counts plateau during running at increasingly faster speeds...
  23. ncbi Efficacy of low-dose acetazolamide for the prophylaxis of acute mountain sickness
    Lionel Dumont
    High Alt Med Biol 4:399; author reply 400. 2003
  24. ncbi Chronic hypoxia: common traits between chronic obstructive pulmonary disease and altitude
    Comasia A Raguso
    Division of Clinical Nutrition, University Hospital, Geneva, Switzerland
    Curr Opin Clin Nutr Metab Care 7:411-7. 2004
    ..This paper reviews recent literature regarding the effects of chronic exposure to hypoxia on metabolism, particularly comparing chronic obstructive pulmonary disease patients with humans exposed to high altitude...
  25. ncbi Awareness, prevalence, medication use, and risk factors of acute mountain sickness in tourists trekking around the Annapurnas in Nepal: a 12-year follow-up
    Samuel Gaillard
    Département de médecine communautaire, Hopitaux Universitaires, Geneva, Switzerland
    High Alt Med Biol 5:410-9. 2004
    ..In conclusion, in 1998 as compared to 1986, trekkers were older, climbed more slowly, had better awareness of altitude illness, used more medication, and suffered less from AMS...
  26. ncbi Nutrient intake and performance during a mountain marathon: an observational study
    Maaike Kruseman
    Department of Community Medicine, Geneva University Hospitals, Switzerland
    Eur J Appl Physiol 94:151-7. 2005
    ..As causal relationship cannot be proven with this cross-sectional design, non-compliance with intake recommendations requires additional experimental research on the impact of nutrient intake on field performance...
  27. ncbi Effects of physical activity on food intake
    Katarina Melzer
    Geneva University Hospital, 24 Micheli du Crest, 1211 Geneva 14, Switzerland
    Clin Nutr 24:885-95. 2005
    ..To better understand the relationship between PA on food intake, current findings on this topic will be summarized in this paper...
  28. ncbi Task failure from inspiratory resistive loaded breathing: a role for inspiratory muscle fatigue?
    Markus Rohrbach
    Exercise Physiology, Institute for Human Movement Sciences, Swiss Federal Institute of Technology, and Institute of Physiology, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
    Eur J Appl Physiol 90:405-10. 2003
    ..Similar endurance times despite different degrees of muscle fatigue at the start of the runs indicate that other factors, e.g. increases in PETCO2, and/or decreases in SaO2, probably contributed to task-failure...
  29. ncbi Evidence of negative energy balance using doubly labelled water in elite Kenyan endurance runners prior to competition
    Barry W Fudge
    International Centre for East African Running Science ICEARS, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, UK
    Br J Nutr 95:59-66. 2006
    ....
  30. ncbi Eight-year longitudinal changes in body composition in healthy Swiss adults
    Ursula G Kyle
    Clinical Nutrition, Geneva University Hospital, 1211 Geneva, Switzerland
    J Am Coll Nutr 25:493-501. 2006
    ..Others were classified as "Sedentary". Subjects were also separated by age (<45 yr vs > or =45 yr)...
  31. ncbi Comments on point:counterpoint: "the lactate paradox does/does not occur during exercise at high altitude"
    Bengt Kayser
    J Appl Physiol 102:2403-4; author reply 2409-10. 2007
  32. ncbi Comments on point:counterpoint: "the lactate paradox does/does not occur during exercise at high altitude"
    Bruno Grassi
    J Appl Physiol 102:2404-5; author reply 2409-10. 2007
  33. doi Comment to: Recombinant erythropoietin found in seized blood bags from sportsmen. Haematologica 2008;93:313-4
    Giuseppe Lippi
    Haematologica 93:e55; author reply e56. 2008
  34. ncbi A human model of the pathophysiology of chronic obstructive pulmonary disease
    Andrea Aliverti
    TBM Lab, Dipartimento di Bioingegneria, Politecnico di Milano, Milano, Italy
    Respirology 12:478-85. 2007
    ..This model reproduces the most important clinical features of COPD, and these arise from ventilatory pump dysfunction rather than from the lung. It also leads to hypotheses that can be tested in patients with COPD...
  35. ncbi Effect of magnesium, high altitude and acute mountain sickness on blood flow velocity in the middle cerebral artery
    Christopher Lysakowski
    Neuroanaesthesia Unit, Division of Anaesthesiology, Department of Anaesthesiology, Pharmacology and Surgical Intensive Care, Geneva University Hospitals, Geneva, Switzerland
    Clin Sci (Lond) 106:279-85. 2004
    ..s(-1) before compared with 67 +/- 16 cm.s(-1) after rescue medication; P=0.79). MCAv was increased in subjects who received magnesium, but was not affected by exposure to high altitude or by severe AMS...
  36. ncbi Magnesium for the prevention and treatment of acute mountain sickness
    Lionel Dumont
    Neuroanaesthesia Unit, Division of Anaesthesiology, Department of Anaesthesiology, Pharmacology and Surgical Intensive Care, Geneva University Hospitals, Geneva, Switzerland
    Clin Sci (Lond) 106:269-77. 2004
    ..05 (0.01-0.25)]. In conclusion, oral magnesium does not prevent AMS. In subjects with established AMS, intravenous magnesium reduces the severity of symptoms to some extent, but this effect is of no clinical importance...
  37. ncbi Physical activity: the health benefits outweigh the risks
    Katarina Melzer
    Division of Clinical Nutrition, Geneva University Hospital, Geneva, Switzerland
    Curr Opin Clin Nutr Metab Care 7:641-7. 2004
    ..This article will summarize the current findings on the effects of physical activity on human health and well-being...
  38. ncbi Hyperoxia improves 20 km cycling time trial performance by increasing muscle activation levels while perceived exertion stays the same
    Ross Tucker
    MRC UCT Research Unit for Excercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, Sports Science Institute of South Africa, P O Box 115, Newlands 7725, South Africa
    Eur J Appl Physiol 101:771-81. 2007
    ..We suggest that a complex, intelligent system regulates exercise performance through the control of muscle activation levels in an integrative manner under conditions of normoxia and hyperoxia...
  39. ncbi High altitude adaptation in Tibetans
    Tianyi Wu
    National Key Laboratory of High Altitude Medicine, Department of Hypoxic Physiology and Mountain Medicine, High Altitude Medical Research Institute, Xining, Qinghai, P R China
    High Alt Med Biol 7:193-208. 2006
    ..In conclusion, Tibetans indeed seem better adapted to life and work at high altitude, and this superior adaptation may very well be inborn, even though its exact genetic basis remains to be elucidated...
  40. doi Elite Kenyan endurance runners are hydrated day-to-day with ad libitum fluid intake
    Barry W Fudge
    International Centre for East African Running Science ICEARS, University of Glasgow, Glasgow, UK
    Med Sci Sports Exerc 40:1171-9. 2008
    ..Previous studies of elite Kenyan endurance runners reported that athletes did not consume liquids before or during training and infrequently consumed modest amounts of liquids after training that contributed to low daily fluid intake...
  41. ncbi Body mass regulation at altitude
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, The Netherlands
    Eur J Gastroenterol Hepatol 18:1-3. 2006
    ..Intestinal malabsorption probably does not play a role in the energy deficit. Even though the sensation of exertion during climbing at high altitude is intense, the actual energy expenditure is not high...