Document Detail

Exercise studies after the Mustard operation in transposition of the great arteries.
MedLine Citation:
PMID:  6846188     Owner:  NLM     Status:  MEDLINE    
Twenty-one postoperative patients with transposition of the great arteries (TGA) underwent graded exercise testing 4 to 15 years (mean 9) after the Mustard operation. No patient had subjective exercise intolerance before testing, although some had symptomatic resting arrhythmias. Correlations were made between cardiac catheterization data and 24-hour ambulatory monitoring. Exercise tolerance was diminished in nearly half of the patients. No statistically significant differences were found in heart rate or blood pressure responses, but maximal oxygen consumption values were lower than the control values (p less than 0.001) in the larger patients. Arrhythmias were present or provoked in most patients during exercise testing. Only 28% remained in normal sinus rhythm during and after exercise. Multifocal premature contractions were the most serious arrhythmias demonstrated. Some long-term survivors of the Mustard operation may have abnormal exercise dynamics, even though they may be asymptomatic and have normal physical activities and endurance. Mean maximal systolic blood pressure, heart rate, oxygen consumption, and maximal treadmill times were consistently in the low-normal range or were statistically lower than normal.
R A Mathews; F J Fricker; L B Beerman; R J Stephenson; D R Fischer; W H Neches; S C Park; C C Lenox; J R Zuberbuhler
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The American journal of cardiology     Volume:  51     ISSN:  0002-9149     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  1983 May 
Date Detail:
Created Date:  1983-06-23     Completed Date:  1983-06-23     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1526-9     Citation Subset:  AIM; IM    
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MeSH Terms
Arrhythmias, Cardiac / physiopathology
Blood Pressure
Exercise Test*
Heart / physiopathology*
Heart Catheterization
Heart Rate
Oxygen / blood
Oxygen Consumption
Transposition of Great Vessels / physiopathology,  surgery*
Reg. No./Substance:

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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