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Entropy score, patent ductus arteriosus (PDA), and cardiopulmonary bypass (CPB): Ligation of PDA on CPB can compromise cerebral blood flow.
MedLine Citation:
PMID:  21860193     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
A patent ductus arteriosus (PDA) is often present in patients undergoing correction of congenital heart disease. It is well appreciated that during cardiopulmonary bypass (CPB), a PDA steals arterial inflow into pulmonary circulation, and may lead to systemic hypoperfusion, excessive pulmonary blood flow (PBF) and distention of the left heart. Therefore, PDA is preferably ligated before initiation of CPB. We describe acute decreases of arterial blood pressure and entropy score with the initiation of CPB and immediate increase in entropy score following the PDA ligation in a child undergoing intracardiac repair of ventricular septal defect and right ventricular infundibular stenosis. The observation strongly indicates that a PDA steals arterial inflow into pulmonary circulation and if the PDA is dissected and ligated on CPB or its ligation on CPB is delayed the cerebral perfusion is potentially compromised.
Authors:
Praveen Kumar Neema; Baiju S Dharan; Subrata Kumar Singha; Manikandan Sethuraman; Ramesh Chandra Rathod
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Annals of cardiac anaesthesia     Volume:  14     ISSN:  0974-5181     ISO Abbreviation:  Ann Card Anaesth     Publication Date:    2011 Sep-Dec
Date Detail:
Created Date:  2011-08-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9815987     Medline TA:  Ann Card Anaesth     Country:  India    
Other Details:
Languages:  eng     Pagination:  203-5     Citation Subset:  IM    
Affiliation:
Department of Anesthesiology and Cardiothoracic and Vascular Surgery, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.
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