A case of hypertensive-diabetic cardiomyopathy demonstrating left ventricular wall motion abnormality.
case_report · Level V
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Abstract
We report a case of hypertensive-diabetic cardiomyopathy demonstrating left ventricular regional wall motion abnormality, with a normal coronary artery documented on coronary arteriography. Dipyridamole-infusion 201Tl scintigraphy demonstrated transient perfusion defects in the infero-posterior wall of the left ventricle, where reduced wall motion was demonstrated on contrast left ventriculography. Myocardial SPECT (single photon emission tomography) imaging with [123I] beta-methyliodophenylpentadecanoic acid (BMIPP) and 201Tl demonstrated reduced [123I]BMIPP uptake compared with 201Tl uptake in the infero-posterior wall of left ventricle. These results suggest that the impairment of myocardial free fatty acid metabolism is an etiologic or contributory factor for regional wall motion abnormality, together with small-vessel coronary artery disease, in this patient.
Medical subject headings
- Cardiomyopathies
- Diabetes Mellitus, Type 2
- Diabetic Angiopathies
- Hypertension
- Ventricular Dysfunction, Left