Document Detail

Junctional ectopic tachycardia after surgery for congenital heart disease: incidence, risk factors and outcome.
MedLine Citation:
PMID:  20537549     Owner:  NLM     Status:  In-Process    
OBJECTIVES: Junctional ectopic tachycardia (JET) is a serious, haemodynamically compromising tachyarrhythmia associated with paediatric cardiac surgery, with a reported mortality up to 14%. The incidence, risk factors and outcome of this tachyarrhythmia were evaluated in this population-based, case-control patient cohort.
METHODS: A total of 1001 children, who underwent open-heart surgery during a 5-year period, were retrospectively analysed. The patients with haemodynamically significant tachycardia were identified, and their postoperative electrocardiograms were analysed. Three controls matched with the same type of surgery were selected for each patient with JET.
RESULTS: JET was diagnosed in 51 patients (5.0%). These patients had longer cardiopulmonary bypass time (138 vs 119 min, p=0.002), higher body temperature (38.0 vs 37.4 °C, p=0.013) and higher level of postoperative troponin-T (3.7 vs 2.1 μg l(-1), p<0.001) compared with controls. They also needed longer ventilatory support (3 vs 2 days, p=0.004) and intensive care stay (7 vs 5 days, p<0.001) as well as use of noradrenaline (23/51 vs 35/130, p=0.019). Ventricular septal defect (VSD) closure was part of the surgery in 33/51 (64.7%) of these patients. The mortality was 8% in the JET group and 5% in the controls (p=0.066). In the logistic regression model, JET was not an independent risk factor for death (p=0.557).
CONCLUSIONS: The incidence of JET was 5.0% in this large paediatric open-heart surgery patient group. Compared with controls, these patients had longer cardiopulmonary bypass time and higher level of troponin-T, possibly reflecting the extent of surgical trauma. However, the tachycardia was not an independent risk factor for death.
Leena Mildh; Anita Hiippala; Paula Rautiainen; Ville Pettilä; Heikki Sairanen; Juha-Matti Happonen
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery     Volume:  39     ISSN:  1873-734X     ISO Abbreviation:  Eur J Cardiothorac Surg     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-01-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8804069     Medline TA:  Eur J Cardiothorac Surg     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  75-80     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 European Association for Cardio-Thoracic Surgery. Published by Elsevier B.V. All rights reserved.
Department of Anaesthesia and Intensive Care, Helsinki University Hospital, Helsinki, Finland.
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