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  • Title: [Coronary artery disease in patients with aortic abdominal aneurysm. Apropos of a consecutive series of 172 cases].
    Author: Langanay T, Valla J, Le Du J, Verhoye JP, Leguerrier A, Lelong B, Menestret P, Rioux C, Logeais Y.
    Journal: Arch Mal Coeur Vaiss; 1996 Feb; 89(2):211-8. PubMed ID: 8678752.
    Abstract:
    Coronary artery disease is common in patients with abdominal aortic aneurysms (AAA). It is responsible for half the operative deaths explaining the necessity of diagnosing asymptomatic coronary patients. Between 1980 and 1993, 172 patients aged 47 to 92 years (average 69 years) were operated for AAA. Fifty-four of them (31%) were known to have coronary artery disease; 30 preoperative coronary angiograms and 16 prophylactic coronary revascularisation procedures were performed before operating the AAA. In cases with ruptured AAA (42 cases) the operative mortality was 31% (13 patients) compared with 6% (8 patients) in those without rupture (130 cases). Myocardial disease was responsible for 25% of all deaths (2 out of 8) and for 40% of deaths (2 out of 5) in the subgroup of 54 coronary patients. The majority of non-lethal cardiac complications also occurred in this subgroup. On the other hand, no deaths were observed in the group of 16 patients who underwent myocardial revascularisation beforehand. Follow-up of the 151 patients discharged from hospital was complete (100%). With an average follow-up period of 3.5 years (range 5 months to 13 years), 39 secondary deaths have been observed (26%) including 6 (15%) of cardiac causes. In addition, 3 patients in the coronary subgroup and 1 patient from the non-coronary group underwent myocardial revascularisation after surgical cure of their AAA. Coronary artery disease may be totally asymptomatic and severe lesions go unrecognised; the main problem is therefore to detect silent myocardial ischaemia in the absence of totally reliable non-invasive techniques, in order to perform preventive coronary revascularisation in high risk patients before their surgery. Coronary angiography is essential in all documented cases of severe coronary artery disease; exercise testing and thallium scintigraphy should be proposed in cases with clinical or electrocardiographic presumption of angina. However, systematic investigation is not required in the absence of suggestive symptoms.
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