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  • Title: Angiographic evaluation of chronic pulmonary embolism.
    Author: Mills SR, Jackson DC, Sullivan DC, Moore AV, Heaston DK, Wolfe WG, Sabiston DC.
    Journal: Radiology; 1980 Aug; 136(2):301-8. PubMed ID: 7403501.
    Abstract:
    In some patients acute pulmonary emboli may fail to resolve normally, resulting in chronic pulmonary embolism. This may lead to pulmonary hypertension, respiratory insufficiency, cor pulmonale, and death. The angiographic evaluation in nine patients with chronic pulmonary embolism who underwent embolectomy is presented. Particular emphasis on the predictive value of selective bronchial arteriography in four of these patients is considered. In chronic pulmonary embolism, pulmonary arteries distal to obstructed areas may remain patent and be supplied by hypertrophied bronchial arteries. Since back-bleeding of arterial blood from the bronchial circulation at surgery may predict the success of embolectomy, preoperative bronchial arteriography may be useful for predicting potential surgical success.
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