Following partial ligation of an intercostal artery at thoracotomy, a poststenotic aneurysm developed over a four-year period. It eventually eroded the ribs and ruptured locally, causing a pulsating hematoma that became infected and caused Escherichia coli septicemia. The aneurysm remained undetected, and further rupture caused death.
Heifetz SA, Zeichner MB, Minkowitz S. Sudden Death From Ruptured Intercostal Artery Aneurysm: A Late Complication of Thoracotomy. Arch Surg. 1975;110(10):1253–1254. doi:10.1001/archsurg.1975.01360160091019
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