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Bispebjerg Hospital - en del af Københavns Universitetshospital
Udgivet

INTERVAL TRAINING DOES NOT MODULATE DIASTOLIC FUNCTION IN HEART TRANSPLANT RECIPIENTS

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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Objectives: This study investigates the effect of aerobic interval training on diastolic function at rest and during exercise in stable heart transplant (HTx) recipients. Design: 23 stable HTx recipients (74% males, mean age 50 ±14.9 years) were recruited to a training programme. Intervention was 8 weeks intensive training or control in a randomized controlled design. Results: At baseline participants had normal or mild diastolic dysfunction at rest. During exercise, mean E/e´ increased from 9.0 (±2.8) to 12.8 (±7.7) (p= 0.09), E/A increased from 2.1 (±0.6) to 2.6 (±0.7) (p=0.02), and deceleration time decreased by over 50ms, all markers of increased filling pressure. There were no correlations between diastolic function and VO2peak at baseline. After intervention VO2peak increased from 23.9 (±4.5) to 28.3(±6) ml/kg/min in the training group (difference between groups p=0.0018). No consistent pattern of improvement in diastolic function at rest or during exercise was seen. Conclusion: The study does not support a role of diastolic dysfunction in the limited exercise capacity of HTx recipients and suggests that in these patients peripheral factors are of greater importance.
OriginalsprogEngelsk
TidsskriftScandinavian cardiovascular journal : SCJ
Vol/bind48
Udgave nummer2
Sider (fra-til)91-98
Antal sider8
ISSN1401-7431
DOI
StatusUdgivet - apr. 2014

ID: 41957901