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Initial experience with Pomerantzeff's technique for reduction of the size of giant left atrium.
MedLine Citation:
PMID:  22996981     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
INTRODUCTION: The most common indication for surgical correction of giant left atrium is associated with mitral valve insufficiency with or without atrial fibrillation. Several techniques for this purpose are already described with varying results. OBJECTIVE: To present the initial experience with the tangential triangular resection technique (Pomerantzeff). METHODS: From 2002 to 2010, four patients underwent mitral valve operation with reduction of left atrial volume by the technique of triangular resection tangential in our service. Three patients were female. The age ranged from 21 to 51 years old. The four patients presented with atrial fibrillation. Ejection fraction of left ventricle preoperatively ranged from 38% to 62%. The left atrial diameter ranged from 78mm to 140mm. After treatment of mitral dysfunction, the left atrium was reduced by resecting triangular tangential posterior wall between the pulmonary veins to avoid anatomic distortion of the mitral valve or pulmonary veins, reducing tension in the suture line. RESULTS: Average hospital stay was 21.5 ± 6.5 days. The mean cardiopulmonary bypass time was 130 ± 30 minutes. There was no surgical bleeding or mortality in the postoperative period. All patients had sinus rhythm restored in the output of cardiopulmonary bypass, maintaining this rate postoperatively. The average diameter of the left atrium was reduced by 50.5% ± 19.5%. The left ventricular ejection fraction improved in all patients. CONCLUSION: Initial results with this technique have shown effective reduction of the left atrium.
Authors:
Jocerlano Santos de Sousa; Pablo Maria Alberto Pomerantzeff; Carlos Manuel de Almeida Brandão; Lisandro Azeredo Gonçalves; Marcos Gradim Tiveron; Marcelo Luiz Campos Vieira; Flavio Tarasoutchi; Noedir Antônio Groppo Stolf
Publication Detail:
Type:  JOURNAL ARTICLE    
Journal Detail:
Title:  Revista brasileira de cirurgia cardiovascular : orgao oficial da Sociedade Brasileira de Cirurgia Cardiovascular     Volume:  27     ISSN:  1678-9741     ISO Abbreviation:  Rev Bras Cir Cardiovasc     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-9-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9104279     Medline TA:  Rev Bras Cir Cardiovasc     Country:  -    
Other Details:
Languages:  ENG; POR     Pagination:  290-295     Citation Subset:  -    
Affiliation:
Instituto do Coração, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil.
Vernacular Title:
Experiência inicial com a técnica de Pomerantzeff para redução do tamanho do átrio esquerdo gigante.
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