COMPARATIVE STUDY
JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
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Delayed abdominal closure in the management of ruptured abdominal aortic aneurysm.

Vascular 2009 November
The objective of this study was to compare initial use of the open abdomen using the vacuum-pack technique followed by delayed abdominal closure with standard primary abdominal closure in the treatment of ruptured abdominal aortic aneurysm (rAAA) repair. A retrospective review identified 122 rAAA cases, which were divided into two management eras: era 1 (primarily closed) and era 2 (47% open abdomen).One hundred three patients were included in this review: 58 in era 1 and 45 in era 2. Evidence of one of three ischemia-reperfusion (IR) criteria, preoperative hypotension, estimated blood loss > or = 6 L, or intraoperative resuscitation with > or = 12 L, predicted mortality. These criteria were also used as surrogate clinical markers for abdominal compartment syndrome. The in-hospital mortality was higher in those with at least one IR criterion: 43% versus 10% (p = .0003). In those with at least one IR criterion, the initial 24-hour mortality was 21% for era 1 versus 0% for era 2 (p = .03), and the 30-day mortality was 40% for era 1 and 32% for era 2 (p = .77).Three IR criteria were identified and were associated with increased mortality. Patients with these risk factors who were treated with delayed abdominal closure had an improved acute survival rate and a trend for improved long-term survival.

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