Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 33 3-4 1995 12 15 100 102 Hossein Ahmadi Manouchehr Rahbar Hamid Mirkhani Mansoor Jamali 2015 09 28 This work is a retrospective study of112 patients who had undergone pericardiectomy in Imam-Khomeini Hospital, in 1983-1994. The patients were categorized into groups /j and B. There were 48 patients in group A whose etiology wa.'i" known before operation, such as uremia, infeaion, and malignancy. Group 13 consisted of64 patients. The cause ofpericardial disease could not be ascertained in group B and therefore, constrictive pericarditis prompted us 10 perform pericardiectomy. Pathologic findings of pericarditis were attributed to tuberculosis only in6 (9.4%) of the cases in group B. . https://acta.tums.ac.ir/index.php/acta/article/view/1677 https://acta.tums.ac.ir/index.php/acta/article/download/1677/1670