Annals of Thoracic Surgery
Annals of Thoracic Surgery
5 years ago

Experience With Pericardiectomy for Constrictive Pericarditis Over Eight Decades

The purpose of this study was to review the surgical outcomes of pericardiectomy for constrictive pericarditis and to examine risk factors for overall mortality in a contemporary period. Methods We reviewed all patients who underwent pericardiectomy for constriction from 1936 through 2013. The investigation included constrictive pericarditis cases confirmed intraoperatively, all other types of pericarditis were excluded; 1,071 pericardiectomies were performed in 1,066 individual patients. Patients were divided into two intervals: a historical (pre-1990) group (n = 259) and a contemporary (1990–2013) group (n = 807). Results Patients in the contemporary group were older (61 versus 49 years; p < 0.001), more symptomatic (NYHA class III or IV in 79.6% versus 71.2%; p < 0.001), and more frequently underwent concomitant procedures (21.4% versus 5.4%; p < 0.001) compared with those in the historical group. In contrast to the historical cases in which the etiologies of constriction were mostly idiopathic (81.1%), nearly half of contemporary cases had a nonidiopathic etiology (postoperative 32.3%, radiation 11.4%). Although 30-day mortality decreased from 13.5% in the historical era to 5.2% in the contemporary era (p < 0.001), overall survival was similar after adjusting for patient characteristics. Risk factors of overall mortality in the contemporary group included NYHA class III or IV (HR 2.17, p < 0.001), etiology of radiation (HR 3.93, p < 0.001) or postcardiac surgery (HR 1.47, p < 0.001), and need for cardiopulmonary bypass (HR 1.35, p = 0.014). Conclusions There was a significant change in disease etiology over the study period. Long-term survival after pericardiectomy is affected by patient characteristics including etiology of constriction and severity of symptoms.

Publisher URL: www.sciencedirect.com/science

DOI: S0003497517307981

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