THE IMPORTANCE OF CORONARY ANGIOGRAPHY IN THE EVALUATION OF PATIENTS WITH AORTIC VALVULAR DISEASE

Forty-two patients with aortic valve disease were evaluated by left heart catheterization and coronary angiography.

Patients with isolated AI or AI in combination with AS have a 17.4 per cent (4/23) incidence of significant CAD, which is significantly less than the 64.3 per cent (9/14) of patients with significant AS. We feel that these findings in AI may be due to a combination of increased diastolic flow and enlarged coronary arteries secondary to cardiac hypertrophy.

Despite the apparent protective value of significant AI against the development of CAD, 40 per cent of our patients with AVD had significant CAD. We feel, therefore, that coronary angiography should be part of the preoperative work-up of candidates for aortic valve surgery.

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