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Journal of the National Medical Association logoLink to Journal of the National Medical Association
. 2005 Dec;97(12):1657–1661.

QTc interval prolongation in patients with HIV and AIDS.

Mahmoud U Sani 1, Basil N Okeahialam 1
PMCID: PMC2640718  PMID: 16396057

Abstract

A higher prevalence of QT prolongation has been reported among HIV/AIDS patients, possibly related to drugs prescribed for them or to an acquired form of long QT syndrome. A prolonged QTc is a predictor of cardiovascular mortality. We set out to study this interval in a group of AIDS patients. One-hundred consecutive AIDS patients admitted into the Jos University Teaching Hospital and who satisfied the inclusion criteria were recruited. All were evaluated for symptomatology of cardiovascular disease and had a 12-lead surface electrocardiogram recording. QT interval, taken from the onset of the QRS complex to the end of the T wave, was corrected for heart rate. Eighty HIV-negative, healthy persons and 78 HIV-positive, asymptomatic subjects were used as controls. Forty-five percent of the AIDS patients had prolonged QTc interval. Prolonged QTc was present in 28% of HIV-positive controls and 10% of HIV-negative controls. The mean QTc interval differs significantly between the AIDS patients and the two control groups. From our study, Nigerian HIV-positive asymptomatic subjects have higher prevalence of QTc prolongation compared to HIV-negative subjects and, as they move to AIDS, the prevalence of QTc prolongation increases. This makes for increased cardiovascular mortality.

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Selected References

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