Document Detail

Risk factors for cardiac arrhythmias in children with congenital heart disease after surgical intervention in the early postoperative period.
MedLine Citation:
PMID:  17382623     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Early postoperative arrhythmias are a recognized complication of pediatric cardiac surgery. METHODS: Diagnosis and treatment of early postoperative arrhythmias were prospectively analyzed in 402 consecutive patients aged 1 day to 18 years (mean 29.5 months) who underwent operation between January and December 2005 at our institute. All children were admitted to the intensive care unit, and continuous electrocardiogram monitoring was performed. Risk factors, such as age, weight, Aristotle Basic Score, cardiopulmonary bypass time, aortic crossclamp time, and use of deep hypothermia and circulatory arrest, were compared. Statistical analysis using the Student t test, Mann-Whitney U test, or Fisher exact test was performed. Multivariate stepwise logistic regression was used to assess the risk factors of postoperative arrhythmias. RESULTS: Arrhythmias occurred in 57 of 402 patients (14.2%). The most common types of arrhythmia were junctional ectopic tachycardia (21), supraventricular tachycardia (15), and arteriovenous block (6). Risk factors for arrhythmias, such as lower age (P = .0041*), lower body weight (P = .000001*), higher Aristotle Basic Score (P = .000001*), longer cardiopulmonary bypass time (P = .000001*), aortic crossclamp time (P = .000001*), and use of deep hypothermia and circulatory arrest (P = .0188*), were identified in a univariate analysis. In the multivariate stepwise logistic regression, only higher Aristotle Basic Score was statistically significant (P = .000003*) compared with weight (P = .62) and age (P = .40); in the cardiopulmonary bypass group, only longer aortic crossclamp time was statistically significant (P = .007*). CONCLUSION: Lower age, lower body weight, higher Aristotle Basic Score, longer cardiopulmonary bypass time, aortic crossclamp time, and use of deep hypothermia and circulatory arrest are the risk factors for postoperative arrhythmias. Junctional ectopic tachycardia and supraventricular tachycardia were the most common postoperative arrhythmias.
Joanna Rekawek; Andrzej Kansy; Maria Miszczak-Knecht; Małgorzata Manowska; Katarzyna Bieganowska; Monika Brzezinska-Paszke; Elzbieta Szymaniak; Anna Turska-Kmieć; Przemysław Maruszewski; Piotr Burczyński; Wanda Kawalec
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Journal of thoracic and cardiovascular surgery     Volume:  133     ISSN:  1097-685X     ISO Abbreviation:  J. Thorac. Cardiovasc. Surg.     Publication Date:  2007 Apr 
Date Detail:
Created Date:  2007-03-26     Completed Date:  2007-04-17     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0376343     Medline TA:  J Thorac Cardiovasc Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  900-4     Citation Subset:  AIM; IM    
Department of Cardiology, Children's Memorial Health Institute, Warsaw, Poland.
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MeSH Terms
Arrhythmias, Cardiac / diagnosis,  epidemiology*,  etiology,  therapy
Cardiac Surgical Procedures / adverse effects*
Child, Preschool
Heart Defects, Congenital / surgery*
Infant, Newborn
Postoperative Period
Prospective Studies
Risk Factors
Time Factors

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