Document Detail

Detection of right to left shunt by transesophageal echocardiography in a patient with postoperative hypoxemia.
MedLine Citation:
PMID:  16638653     Owner:  NLM     Status:  MEDLINE    
Intracardiac right to left shunt through a patent foramen ovale (PFO) may result in the development of hypoxemia after cardiac surgery. Cardiac tamponade and mechanical ventilation with high positive endexpiratory pressure are the most common factors responsible for enhancing intracardiac right to left shunt through a PFO. We report an 83-year-old woman with Stanford type A dissecting aneurysm who developed hypoxemia and paradoxical air embolism after reconstruction of ascending aorta and Bental's procedure. Transesophageal echocardiography (TEE) revealed right to left shunting via a PFO. Surgical closure of the PFO was done without delay. This case illustrates the role of TEE in prompt diagnosis of intracardiac right to left shunting through a PFO causing postoperative hypoxemia after cardiac surgery.
Yu-Ling Yeh; Chen-Kun Liu; Wen-Kuei Chang; Kwok-Hon Chan; Jihn-Yih Li; Shen-Kou Tsai
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of the Formosan Medical Association = Taiwan yi zhi     Volume:  105     ISSN:  0929-6646     ISO Abbreviation:  J. Formos. Med. Assoc.     Publication Date:  2006 May 
Date Detail:
Created Date:  2006-04-26     Completed Date:  2006-06-06     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  9214933     Medline TA:  J Formos Med Assoc     Country:  China    
Other Details:
Languages:  eng     Pagination:  418-21     Citation Subset:  IM    
Department of Anesthesiology, Taipei Veterans General Hospital, Taiwan.
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MeSH Terms
Aged, 80 and over
Aneurysm, Dissecting / surgery
Anoxia / etiology*
Aortic Aneurysm / surgery
Echocardiography, Transesophageal*
Embolism, Air / etiology
Heart Septal Defects, Atrial / ultrasonography*
Postoperative Complications*

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