Predictors of outcome after open repair of ruptured abdominal aortic aneurysms.
BACKGROUND
To determine predictors associated with early hospital death, 30-day mortality, and long-term survival after open surgical treatment of ruptured abdominal aortic aneurysms (RAAAs).


METHODS
A retrospective chart review of 127 consecutive patients who received open surgical treatment of a RAAA at Chang Gung Memorial Hospital, Taiwan, from February 1994 to May 2007. Data recorded included patient characteristics, medical history, perioperative variables, and outcomes.


RESULTS
There were 104 men and 23 women with a mean age of 70 ∓ 12 years in the analysis. Patients with RAAAs were classified into two groups; 100 (78.7%) patients were classified as group I (hemodynamically stable), and 27 (21.3%) patients were classified as group II (hemodynamically unstable at arrival). The 30-day mortality was 22% for group I and 74.1% for group II. Multivariate analysis identified age > 75 years old (odds ratio [OR], 0.083; 95% confidence interval [CI] 0.02-0.36), hemodynamically unstable state (OR, 0.081; 95% CI 0.016-0.4), blood transfusion > 5 L (OR, 0.14; 95% CI 0.038-0.54), intraperitoneal rupture (OR, 7.2; 95% CI 1.4-36), urine output < 0.5 mL/kg/min (OR, 22; 95% CI 4.6-110), and suprarenal cross-clamping (OR, 0.083; 95% CI 0.019-0.36) as incremental risk factors for 30-day mortality.


CONCLUSIONS
Significant predictors of mortality in patients with RAAAs include hemodynamically unstable state, age > 75 years old, intraperitoneal rupture, low intraoperative urine output, and suprarenal cross-clamping.
Division of Vascular Surgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University College of Medicine, Taoyuan, Taiwan. r2917@ms16.hinet.net
Hao-Jui
HJ
Li
Tsung-Chi
TC
Kao
Dah-Wel
DW
Liu
Sheng-Yueh
SY
Yu
Po-Jen
PJ
Ko
Hung-Chang
HC
Hsieh
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D017544:Aortic Aneurysm, Abdominal / Q000401:mortality / Q000601:surgery*; D001019:Aortic Rupture / Q000401:mortality / Q000601:surgery*; D019917:Blood Vessel Prosthesis Implantation / Q000009:adverse effects; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D012727:Sex Characteristics; D016896:Treatment Outcome