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From January, 1982, to December, 1990, 15 patients underwent_ pericardiectomy for chronic constrictive pericarditis on Department Of Thracic and Cardiovascular Sugery, School of Medicine, Pusan National University. There were 9 male and 6 female patients (male to female ratio was 1.5: 1) ranging from 15 years to 63 years old (mean age 35.0). All patients underwent pericardiectomy through a median sternotomy, partial cardiopulmonary bypass was performed on two patients. There were 3 postoperative death (20%). Six cases (4001o) were tubeculous origin 5 cases (34%) were Idiopathic (nonspecific chronic inflamatory change was considered to idiopathic), 2 cases (13%) were malignant origin, 2 cases (13%) were pyogenic origin. Dyspnea on exertion was evident in all patients and abdominal distention, general weakness, palpitation, periperal edema were found. Eleven patients showed low voltage of QRS wave, 7 patients show A diffuse ST-T wave change, 2 patients showed atrial fibrillation on EKG. There were 6 patient showed pericardial thickening, 5 patients showed evidence of restriction, 5 patients showed pericardial effusion, 4 patients showed low cardiac output on preoperative echocardiogram Hemodynamic response to pericardiectomy were observed , preoperative CVP 26.8 cm H2O declined to 15.0 cm H2O. Preoperative NYHA Funtional class showed class II -1, class DI -10, class N 4, postoperative NYHA functional class showed class I -7, class U -4, class Ill1.
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