The long-term survival rates of patients after repair of abdominal aortic aneurysms

This study was undertaken to examine the long-term survival rates of patients following abdominal aortic aneurysm (AAA) repair in comparison with an age-matched normal population, and to determine by multivariate analysis the factors influencing long-term survival. Of 125 patients who underwent AAA...

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Bibliographic Details
Published in:Surgery today (Tokyo, Japan) Japan), 1998-01, Vol.28 (12), p.1242-1246
Main Authors: Moro, H, Sugawara, M, Shinonaga, M, Hayashi, J, Eguchi, S, Terashima, M, Kasuya, S, Yamazaki, Y, Satoh, Y, Maruyama, Y
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Aortic Aneurysm, Abdominal - mortality
Aortic Aneurysm, Abdominal - surgery
Chi-Square Distribution
Female
Follow-Up Studies
Hospital Mortality
Humans
Male
Middle Aged
Proportional Hazards Models
Rupture, Spontaneous
Statistics, Nonparametric
Survival Rate
Treatment Outcome
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Summary:This study was undertaken to examine the long-term survival rates of patients following abdominal aortic aneurysm (AAA) repair in comparison with an age-matched normal population, and to determine by multivariate analysis the factors influencing long-term survival. Of 125 patients who underwent AAA repair prior to July 1986, 13 died during hospitalization. Of these 13 patients, 6 who suffered aneurysmal rupture all died within 30 days. The survival rate of patients with ruptured aortic aneurysms was significantly lower than that of those with nonruptured aneurysms. Of the 112 patients surviving hospitalization, 85 died within 0.48 to 24 years after their operation. The long-term survival rate of patients who had suffered a preoperative cardiovascular event was significantly lower than that of those who had not suffered a preoperative cardiovascular event. The actual survival rate was significantly lower than the expected survival rate. According to a multivariate analysis, the significant predictors of late survival were age, aneurysmal rupture, and chronic renal failure in all the patients, and age, chronic renal failure, and pre- and postoperative cardiovascular events in patients who did not die in hospital. These findings indicate the importance of improving immediate perioperative management of ruptured AAA and that cardiovascular events should be prevented, or treated during long-term follow-up.
ISSN:0941-1291
1436-2813
DOI:10.1007/bf02482807