Sondergaard's groove approach

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Sondergaard's groove approach Sondergaard's groove approach. The left atrium enlarges to the right, increasing visualization from the right thoracotomy approach. The interatrial groove (Sondergaard's groove) is dissected approximately 1-cm deep, down to the left atrial wall. The pursestring suture is placed in the nondissected area. This prevents tearing of the dissected left atrial wall when the suture is tied down. Sagittal view shows location of the mitral valve in relation to the atriotomy. (Used with permission from De DH, Pessella AT: Closed mitral commissurotomy utilizing right thoracotomy approach. Asian Cardiovasc Thorac Ann 2000; 8:192.) Source: Chapter 49. Reoperative Valve Surgery, Cardiac Surgery in the Adult, 4e Citation: Cohn LH. Cardiac Surgery in the Adult, 4e; 2012 Available at: http://accesssurgery.mhmedical.com/DownloadImage.aspx?image=/data/books/cohn4/cohn4_c049f004.png&sec=39687533&BookID=476&ChapterSecID=39679065&imagename= Accessed: November 03, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved

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