Document Detail


Results of exercise testing at a mean age of 10 years after neonatal arterial switch operation.
MedLine Citation:
PMID:  12710645     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
AIM: This prospective follow-up study investigated long-term exercise capacity at a mean age of 10 y after neonatal arterial switch operation for transposition of the great arteries in a large group of homogeneous unselected children. METHODS: 56 asymptomatic children, aged 7.9-14.3 y (10.5 +/- 1.6, mean +/- SD), were examined with respect to exercise tolerance, electrocardiographic (ECG) response and activity of biochemical markers for myocardial injury. The protocol included standard electrocardiography, M-mode and two-dimensional echocardiography at rest, a Bruce walking treadmill test to voluntary exhaustion, and determination of cardiac troponin I and T, creatine kinase and myoglobin from venous blood samples at rest and 4 h after exercise. Heart rate, blood-pressure response to exercise stress and endurance time were compared with published results of age-matched normal children. RESULTS: 54 patients (96.4%) had normal exercise capacity; a reduction in 2 patients was not due to cardiac disease. Heart rate and systolic blood pressure rose significantly between rest and peak exercise and did not differ from normal controls, whereas diastolic blood pressure was lower. ECG remained normal at rest and on exercise in 54 children (96.4%). Serum values of cardiac troponin I and T, creatine kinase and myoglobin were normal at rest and after exercise in all patients. CONCLUSION: The study demonstrates excellent long-term exercise capacity after neonatal arterial switch operation. Exercise testing is a useful and non-invasive screening method to detect patients with clinically relevant exercise-induced myocardial ischaemia and should be routinely performed in growing patients.
Authors:
H H Hövels-Gürich; D Kunz; M- C Seghaye; M Miskova; B J Messmer; G von Bernuth
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Acta paediatrica (Oslo, Norway : 1992)     Volume:  92     ISSN:  0803-5253     ISO Abbreviation:  Acta Paediatr.     Publication Date:  2003  
Date Detail:
Created Date:  2003-04-24     Completed Date:  2003-07-23     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  9205968     Medline TA:  Acta Paediatr     Country:  Norway    
Other Details:
Languages:  eng     Pagination:  190-6     Citation Subset:  IM    
Affiliation:
Department of Paediatric Cardiology, University Hospital, Aachen University of Technology, Aachen, Germany. hhoevels-guerich@ukaachen.de
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Cardiac Surgical Procedures*
Child
Echocardiography
Electrocardiography
Exercise Test*
Exercise Tolerance / physiology*
Female
Follow-Up Studies
Hemodynamics / physiology
Humans
Infant, Newborn
Longitudinal Studies
Male
Outcome Assessment (Health Care)
Prospective Studies
Time Factors
Transposition of Great Vessels / physiopathology*,  surgery*,  ultrasonography

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


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