Cardiac output and pulmonary gas exchange at maximal exercise after atrial redirection for complete transposition

Aims To assess the determinants of exercise capacity and exercise oxygenation after atrial redirection for complete transposition. Methods and Results At graded bicycle ergometry, including respiratory and arterial blood gas analyses, intra-arterial blood pressure recording, and cardiac output deter...

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Bibliographic Details
Published in:European heart journal 1998-12, Vol.19 (12), p.1856-1864
Main Authors: Gilljam, T., Eriksson, B.O., Sixt, R.
Format: Article
Language:English
Subjects:
Adolescent
Biological and medical sciences
cardiac output
Cardiac Output - physiology
Cardiac Surgical Procedures - methods
Exercise - physiology
Exercise Test
Exercise Tolerance - physiology
Female
gas exchange
Humans
Male
Medical sciences
Mustard operation
Oxygen - blood
Pulmonary Gas Exchange - physiology
Senning operation
Space life sciences
Stroke Volume - physiology
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Surgery of the heart
Transposition of Great Vessels - physiopathology
Transposition of Great Vessels - surgery
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Summary:Aims To assess the determinants of exercise capacity and exercise oxygenation after atrial redirection for complete transposition. Methods and Results At graded bicycle ergometry, including respiratory and arterial blood gas analyses, intra-arterial blood pressure recording, and cardiac output determination (dye-dilution technique), we tested 17 post-Mustard/Senning patients, 8·9–22·0 years old (mean 14·5, SD4·0). Reference data were obtained by similar methods. At maximal exercise, oxygen uptake (29·6ml.kg−1.min−1) and heart rate (167 beats.min−1) were low (P
ISSN:0195-668X
1522-9645
DOI:10.1053/euhj.1998.1147