A low CD4+ T-cell count (mean cell count 246 ± 193 cells/mm3; normal range, 600–1000 cells/mm3) and left ventricular ejection fraction (mean range 27.9 ± 6.92%) were found in the patients with HIV-associated cardiomyopathy, as expected.6 This evidence concerns the gene CD4 and cardiomyopathy.