HIV causes structural heart disease

Detectable blood viral load nearly doubles the prevalence of heart disease

2013-12-11

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HIV causes structural heart disease Detectable blood viral load nearly doubles the prevalence of heart disease Istanbul, Turkey – 11 December 2013: HIV causes structural heart disease according to research presented at EuroEcho-Imaging 2013 by Dr Nieves Montoro from Madrid, Spain. The findings support the introduction of cardiovascular screening in all HIV patients, particularly those with a positive blood viral load.

EuroEcho-Imaging 2013 is the official annual meeting of the European Association of Cardiovascular Imaging (EACVI), a registered branch of the European Society of Cardiology (ESC). It takes place during 11-14 December in Istanbul, Turkey, at the Istanbul Lutfi Kırdar Convention & Exhibition Centre (ICEC).

Dr Montoro said: "It is well known that patients with HIV have a high incidence of structural heart disease (mainly diastolic dysfunction and pulmonary hypertension) as measured by echocardiography but the reason is not clear. We decided to conduct a study to evaluate whether the stage of HIV or the detectable blood viral load were related to the degree of heart disease."

This prospective cohort study included 65 HIV patients (63% male, average age 48 years) who had dyspnoea (shortness of breath) graded as >II on the NYHA scale.1 The stage of HIV was determined by measuring the CD4 count and their opportunistic diseases. Also, the viral blood load was determined. Patients had a transthoracic echocardiogram to assess whether they had structural heart disease (ventricular hypertrophy, systolic or diastolic dysfunction, or pulmonary hypertension). The following cardiovascular risk factors were assessed: hypertension, diabetes, smoking status, dyslipidemia and renal failure.

Nearly half of patients (47%) had some form of structural heart disease, mainly left ventricular hypertrophy, left ventricular dysfunction, pulmonary hypertension and signs of right ventricle failure (see figure). Patients with a positive blood viral load had a significantly higher incidence of structural heart disease than those with an undetectable load (75% vs 43%, p END

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