{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T15:55:23Z","timestamp":1777737323184,"version":"3.51.4"},"reference-count":8,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2010,3,1]],"date-time":"2010-03-01T00:00:00Z","timestamp":1267401600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Innovations\ufffd(Phila)"],"published-print":{"date-parts":[[2010,3]]},"abstract":"<jats:p>A 21-year-old woman presented with congestive heart failure caused by congenital mitral and tricuspid insufficiency, associated with great left atrium enlargement. Transthoracic echo-cardiogram revealed heart dextroversion associated with mitral and tricuspid severe insufficiency and left atrium enlargement (14 cm), confirmed by magnetic resonance study. The left atrium was reduced by a tangential triangular resection of the posterior wall, between the pulmonary veins, suturing the edges of the left atrium with bovine pericardium strip reinforcement. Mitral and tricuspid valves were repaired. The postoperative course was uneventful, and the patient was discharged in the 15th postoperative day. A control magnetic resonance study revealed a 50% reduction in left atrium size. Evolution of left atrium resection is excellent, with low recurrence of arrhythmias, embolism, or heart failure.<\/jats:p>","DOI":"10.1097\/imi.0b013e3181d8c55c","type":"journal-article","created":{"date-parts":[[2010,3,27]],"date-time":"2010-03-27T05:24:18Z","timestamp":1269667458000},"page":"125-127","source":"Crossref","is-referenced-by-count":0,"title":["Tangential Triangular Resection An Option to Treat the Giant Left Atrium"],"prefix":"10.1177","volume":"5","author":[{"given":"Pablo M. A.","family":"Pomerantzeff","sequence":"first","affiliation":[{"name":"Department of Cardiothoracic Surgery, Heart Institute, University of S\u00e3o Paulo Medical School, S\u00e3o Paulo, Brazil."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carlos M. A.","family":"Brand\u00e3o","sequence":"additional","affiliation":[{"name":"Department of Cardiothoracic Surgery, Heart Institute, University of S\u00e3o Paulo Medical School, S\u00e3o Paulo, Brazil."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marco A. V.","family":"Guedes","sequence":"additional","affiliation":[{"name":"Department of Cardiothoracic Surgery, Heart Institute, University of S\u00e3o Paulo Medical School, S\u00e3o Paulo, Brazil."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Noedir A. 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