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Ann Thorac Surg 1982;34:186-191
© 1982 The Society of Thoracic Surgeons

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Articles

Pseudoaneurysm of the Thoracic Aorta: A Late Complication of Umbilical Artery Catheterization

From the Departments of Surgery, Pediatrics, and Radiology, University of California, Irvine, and Childrens Hospital of Orange County, Orange, CA

Accepted for publication October 30, 1981.

^* Address reprint requests to Dr. Gazzaniga, Department of Surgery, University of California, Irvine, CA 92717

Pseudoaneurysm of the thoracic aorta developed in an infant eight months following neonatal catheterization of the umbilical artery. Infection and placement of a stiff polyvinyl chloride catheter in the thoracic aorta appear to be the etiological factors. Preoperative diagnosis was posterior mediastinal tumor, and pseudoaneurysm was not included in the differential. Dacron graft patch angioplasty repair using partial cardiopulmonary bypass was successful. Postoperatively the patient has done well with no pressure gradient. Pseudoaneurysm should be suspected whenever a mediastinal mass appears in children who have had thoracic placement of umbilical artery catheters.

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