Sudden death caused by postoperative pulmonary thromboembolism. A case report.

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A 51-year-old man had undergone colectomy for carcinoma of the colon was admitted with chief complaints of cough and chest pain. Chest x-ray films showed a mass lesion in the upper of the right lung field. SVC involvement was suggested by CT & MRI scans and SVC angiography. A right pneumonectomy was performed with combined resections of chest wall and pericardium.<BR>Six hours after the operation, circulatory collapse developed abruptly and the patient died despite cardiopulmonary resuscitation. An autopsy revealed that the cause of the death had been massive pulmonary thromboembolism which obstructed the left pulmonary artery almost completely.<BR>In this case, a preoperative angiographic study or operative procedures that could have caused the hemostasis of venous flow in SVC appeared to be responsible for the formation of the thrombus.<BR>Before operations on patients at high risk for pulmonary thromboembolism, preventive treatment, including the administration of antithrombotics, is recommended.
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