Cardiorespiratory responses during three repeated incremental exercise tests in sickle cell trait carriers

This study investigated the cardioventilatory responses during heavy exercise in sickle cell trait carriers (SCTc) and subjects with normal hemoglobin (control group). Eight SCTc and six control subjects repeated three incremental exercise tests (Iet) separated by 10-min recoveries. Cardioventilator...

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Bibliographic Details
Published in:European journal of applied physiology 2008-01, Vol.102 (2), p.181-187
Main Authors: Marlin, Laurent, Connes, Philippe, Antoine-Jonville, Sophie, Tripette, Julien, Montout-Hedreville, Mona, Sanouiller, Alain, Etienne-Julan, Maryse, Hue, Olivier
Format: Article
Language:English
Subjects:
Anaerobic Threshold
Anemia
Biomedical and Life Sciences
Biomedicine
Blood diseases
Cellulose acetate
Effectiveness
Exercise
Exercise Test
Exercise Tolerance
Female
Heart Rate
Hematology
Hemoglobin
Heterozygote
Human Physiology
Humans
Lactic Acid - blood
Male
Occupational Medicine/Industrial Medicine
Original Article
Oxygen Consumption
Physical Exertion
Physical fitness
Sickle Cell Trait - physiopathology
Sports Medicine
Young Adult
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Summary:This study investigated the cardioventilatory responses during heavy exercise in sickle cell trait carriers (SCTc) and subjects with normal hemoglobin (control group). Eight SCTc and six control subjects repeated three incremental exercise tests (Iet) separated by 10-min recoveries. Cardioventilatory parameters were analyzed at rest and during the first and third Iet. No significant difference in the ventilatory parameters [notably, maximal oxygen uptake and the ventilatory thresholds] was observed between the two groups. The time course of power output showed a significant difference between the first and third Iet from 80% of to ( P  
ISSN:1439-6319
1439-6327
DOI:10.1007/s00421-007-0570-0