| Conversion of atriopulmonary or lateral atrial tunnel cavopulmonary anastomosis to extracardiac conduit Fontan modification. | |
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MedLine Citation:
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PMID: 10219547 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: Obstruction of the atriopulmonary anastomosis or the lateral atrial tunnel cavopulmonary anastomosis in the Fontan circulation for univentricular physiology may result in dilation of the right atrium or the right atrial free wall that is incorporated in the lateral atrial tunnel, respectively. Secondary detrimental sequelae may consist of supraventricular dysrhythmias, thromboembolism, right pulmonary vein compression, pleural effusions, and protein-losing enteropathy. Conversion of these Fontan connections to an extracardiac conduit cavopulmonary anastomosis may improve central systemic venous flow patterns and provide clinical improvement in these patients. METHODS: Eighteen patients (7-40 years old) with atriopulmonary anastomosis (n = 15) or obstructed lateral atrial tunnel cavopulmonary anastomosis (n = 3) presented at 5.7 +/- 3.9 years with moderate to severe right atrial dilation (n = 15), Fontan pathway obstruction (n = 12), atrial dysrhythmia (n = 13), pleural effusion (n = 8), right atrial thrombus (n = 3), right pulmonary vein compression (n = 3), and protein-losing enteropathy (n = 3). All patients underwent conversion to an extracardiac conduit cavopulmonary anastomosis. RESULTS: Two of the three patients with protein-losing enteropathy died (2/18; 11%) on the 30th and 52nd postoperative days. At a mean follow-up of 19 months, the remaining 16 patients had marked (n = 11) or moderate (n = 5) clinical improvement. The SaO2 improved from 90.7 +/- 5.3% to 96.0 +/- 4.1%. None of the patients had obstruction in the systemic venous pathway. In the 13 surviving patients with previous atriopulmonary anastomosis there was a drastic reduction in right atrial size. Four of 13 patients with atrial dysrhythmias converted to sinus rhythm. The right pulmonary vein compression as present in three patients resolved after conversion. Pleural effusions disappeared in four patients. CONCLUSIONS: Conversion to an extracardiac cavopulmonary connection may lead to clinical improvement in patients with atriopulmonary or lateral atrial tunnel Fontan connection associated with specific target conditions such as obstruction, pulmonary vein compression, right atrial enlargement, atrial dysrhythmia, or atrial thrombus. The conversion operation should not be unduly delayed to prevent irreversible deterioration of clinical status with chronic rhythm disturbances or protein-losing enteropathy. The benefit of the conversion operation is questionable in patients with poor clinical condition and protein-losing enteropathy. |
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Authors:
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J A van Son; F W Mohr; J Hambsch; P Schneider; H Hess; G S Haas |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery Volume: 15 ISSN: 1010-7940 ISO Abbreviation: Eur J Cardiothorac Surg Publication Date: 1999 Feb |
Date Detail:
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Created Date: 1999-06-16 Completed Date: 1999-06-16 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8804069 Medline TA: Eur J Cardiothorac Surg Country: ENGLAND |
Other Details:
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Languages: eng Pagination: 150-7; discussion 157-8 Citation Subset: IM |
Affiliation:
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Herzzentrum, University of Leipzig, Germany. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Anastomosis, Surgical / methods* Arrhythmias, Cardiac / etiology, mortality Child Double Outlet Right Ventricle / mortality, surgery* Female Follow-Up Studies Fontan Procedure / methods* Heart Atria / surgery Heart Ventricles / surgery Humans Male Pericardial Effusion / etiology, mortality Postoperative Complications / etiology*, mortality Pulmonary Artery / surgery Retrospective Studies Survival Rate Treatment Outcome Tricuspid Atresia / mortality, surgery* Vena Cava, Superior / surgery |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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