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  • Title: [Clinico-epidemiological features of infrarenal abdominal aortic aneurysm and relevant prognostic factors].
    Author: Song JQ, Zhang J, Yin MD, Wu B, Shan SY, Duan ZQ, Xin SJ.
    Journal: Zhonghua Yi Xue Za Zhi; 2008 Jun 17; 88(23):1613-7. PubMed ID: 19035100.
    Abstract:
    OBJECTIVE: To investigate the clinico-epidemiology features of infrarenal abdominal aortic aneurysm (AAA) and relevant prognostic factors. METHODS: The clinical records of 375 infrarenal AAA patients, 282 males and 93 females, aged (62 +/- 15), hospitalized 1988 -2007 were analyzed. RESULTS: In recent ten years, the number of patients admitted because of AAA was 186.6% as high as that in the last 10 years. The rupture rate of the male AAA patients was 14.4%, significantly higher than that of the female AAA patients (6.5%, P < 0.05). The rupture rate of the AAA aged patients > or = 65 was 3.6%, significantly lower than that of the AAA patients < 65 (17.7%, P < 0.01). The aneurysm diameter of the patients with hyperextension was (6.1 +/- 3.3) cm, significantly lower than that of the patients without hypertension [(6.8 +/- 2.3) cm. P < 0.05]. The general 5-year survival rate was 70.1%. The 5-year survival rates of the female patients, patients > or = 65, without hypertension, and without coronary heart disease were, all significantly higher than those of the male patients, patients < 65, and patients with hypertension or coronary heart disease (all P < 0.05). Cox regression analysis showed that sex, smoking, and hypertension were all prognostic factors (all P < 0.05). CONCLUSION: The morbidity of AAA increases fiercely. The AAA patients being male, smoking, or with hypertension have poorer prognosis, and age and operation method are not related to prognoses.
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