Abstract
The benefits and hazards of catheterization and angiography were evaluated in 19 patients with acute aortic and/or mitral endocarditis and heart failure. In 14 patients (74%), the bedside diagnosis of valvular insufficiency and heart failure was proved correct. In three patients with both aortic and mitral valve disease, angiography (without hemodynamic measurements) was necessary to clarify the diagnosis. Angiography detected four aortic aneurysmal erosions that were unsuspected clinically, but missed three others. After angiography, heart failure worsened in two patients with severe progressive aortic insufficiency and one died. Thus, catheterization-angiography was of greatest value if more than one left-sided valve lesion was present, if extravalvular diseases mimicked heart failure, or if extravalvular infection was present. Patients with isolated, clear-cut mitral insufficiency usually do not need these diagnostic procedures, and they are probably contraindicated in patients with severe aortic regurgitation with rapidly progressing heart failure.
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