title: Acute aortic occlusion due to false-lumen expansion after repair of abdominal aortic rupture in type B acute aortic dissection.
abstract: We describe a patient with aortic occlusion due to false-lumen expansion after repair of abdominal aortic rupture in acute type B aortic dissection. A 70-year-old man presented to a nearby hospital with severe lower back pain, and was subsequently referred to our hospital with a diagnosis of abdominal aortic rupture. Computed tomography scanning on admission revealed type B aortic dissection with concomitant false-lumen rupture at the level of pre-existing infrarenal abdominal aortic aneurysm. The patient underwent abdominal aortic replacement with the true lumen reconstructed using a bifurcated knitted Dacron graft. On postoperative day 2, the patient developed severe lower body ischemia. Computed tomography scanning revealed complete true-lumen occlusion at the renal artery level because of false-lumen expansion. The patient underwent open fenestration by opening the bulging flap with a transverse graftotomy distal to the proximal graft anastomosis. After fenestration, the patient developed severe metabolic complications (i.e., myonephropathic-metabolic syndrome) and died a day later of cardiac arrest resulting from hyperkalemia. Abdominal aortic replacement with true-lumen reconstruction in patients with abdominal aortic rupture in type B acute aortic dissection could also lead to acute aortic occlusion due to re-dissection or true-lumen compromise accompanying retrograde propagation of false-lumen thrombosis. This lethal sequela after true-lumen reconstruction might be prevented by an adjuvant procedure such as concomitant fenestration.
authors.affiliation: Department of Cardiovascular Surgery, Akita University School of Medicine, Akita, Japan.
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Yamamoto
authors.forename: Fumio
authors.initials: F
authors.lastname: Yamamoto
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Izumoto
authors.forename: Keisuke
authors.initials: K
authors.lastname: Shiroto
authors.forename: Fuminobu
authors.initials: F
authors.lastname: Tanaka
authors.forename: Gembu
authors.initials: G
authors.lastname: Yamaura
authors.forename: Mamika
authors.initials: M
authors.lastname: Motokawa
authors.forename: Kazuyuki
authors.initials: K
authors.lastname: Ishibashi
mesh_terms: D000063:Accidents, Traffic; D000208:Acute Disease; D000368:Aged; D000784:Aortic Dissection / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery*; D017544:Aortic Aneurysm, Abdominal / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery*; D001018:Aortic Diseases / Q000000981:diagnostic imaging / Q000209:etiology* / Q000601:surgery; D001019:Aortic Rupture / Q000000981:diagnostic imaging / Q000209:etiology / Q000601:surgery*; D001027:Aortography / Q000379:methods; D001157:Arterial Occlusive Diseases / Q000000981:diagnostic imaging / Q000209:etiology* / Q000601:surgery; D001807:Blood Vessel Prosthesis; D019917:Blood Vessel Prosthesis Implantation / Q000009:adverse effects* / Q000295:instrumentation; D017809:Fatal Outcome; D006406:Hematoma / Q000209:etiology / Q000601:surgery; D006801:Humans; D008297:Male; D011093:Polyethylene Terephthalates; D011474:Prosthesis Design; D012086:Reoperation; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome
chemical_list: D011093:Polyethylene Terephthalates