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  • Title: [A patient with a huge posterior mediastinal tumor and ST-segment depression in electrocardiogram].
    Author: Namiki M, Kita A, Kokita N, Ichimiya T, Namiki A.
    Journal: Masui; 2004 Aug; 53(8):914-7. PubMed ID: 15446683.
    Abstract:
    A 68-year-old woman had felt a chest and back pain for 3 months. Gradually her symptom became aggravated, and she felt severe dyspnea in supine position and dysphagia combined with superior vena cava syndrome. A huge posterior mediastinal tumor was revealed and her esophagus was severely narrowed on the chest MRI. Therefore, emergency tumor resection was scheduled under general anesthesia. Anesthesia was induced by midazolam (2 mg) with the patient in the right lateral position. After gas exchange and oxygenation were comfirmed by pulse oximetry reading and clinical signs, she was slowly turned to supine position. But, suddenly, ST-segment depression and low amplitude developed in electrocardiogram and systolic blood pressure was depressed to below 60 mmHg. Therefore, she was rapidly retuned to right lateral position, and ST-segment and systolic blood pressure recoverd. On the next time, although she was slowly turned to the right semi-lateral position, there was almost no circulatory failure. A bronchial tube was intubated in her left bronchia under bronchoscope. We should remember that the preparation of percutaneous cardiopulmonary support (PCPS) should be considered as a means of protection against cardiovascular collapse or airway obstruction perioperatively.
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