Tewolde Wubayehu1, Workeabeba Abebe2, Endale Tefera3. 1. Department of Paediatrics and Child Health, Aksum University, Aksum, Ethiopia. 2. Department of Paediatrics and Child Health, Division of Infectious Diseases, School of Medicine, Addis Ababa University, Addis Ababa, Ethiopia. 3. Department of Paediatrics and Adolescent Health, Division of Cardiology, Faculty of Medicine, University of Botswana, Gaborone, Botswana. Email: endalet2008@gmail.com.
Abstract
BACKGROUND: The availability and use of highly active antiretroviral treatment (HAART) has turned human immunodeficiency virus (HIV) into a chronic disease, allowing patients to live much longer. OBJECTIVES: To report asymptomatic cardiac abnormalities in children and adolescents based on both conventional and tissue Doppler imaging (TDI) echocardiography. METHODS: One hundred and fifty-one patients on HAART were recruited. Demographic and clinical variables were collected through patient interviews and medical record reviews. Conventional echocardiography and TDI were performed on each patient. RESULTS: Mean age was 13.0 ± 3.2 (4.0-19.0) years. Eightythree patients (55%) were female. Age at diagnosis of HIV infection was 5.7 ± 3.3 years. Age at initiation of HAART was 7.34 ± 3.54 years, while duration of HAART was 59 ± 39.1 months. On conventional echocardiography, three cases of left ventricular (LV) systolic dysfunction, two of pulmonary hypertension and one of minimal pericardial effusion were identified. Calculation of myocardial mass index (MMI) revealed that 16 patients had abnormal values. Twenty-seven (17.9%) patients had evidence of LV diastolic dysfunction and 18 (11.9%) had right ventricular (RV) diastolic dysfunction. Nineteen (12.6%) patients had tricuspid annular systolic velocity of < 9.5 cm/s, indicating asymptomatic RV systolic dysfunction. CONCLUSIONS: While few patients had abnormalities such as reduced LV ejection fraction, pulmonary hypertension and minimal pericardial effusion detectable on conventional echocardiography, a larger proportion of patients had subtle abnormalities such as increased MMI, LV diastolic dysfunction on TDI, RV dysfunction and abnormal myocardial performance index. Such patients may need routine screening and cardiac follow up.
BACKGROUND: The availability and use of highly active antiretroviral treatment (HAART) has turned human immunodeficiency virus (HIV) into a chronic disease, allowing patients to live much longer. OBJECTIVES: To report asymptomatic cardiac abnormalities in children and adolescents based on both conventional and tissue Doppler imaging (TDI) echocardiography. METHODS: One hundred and fifty-one patients on HAART were recruited. Demographic and clinical variables were collected through patient interviews and medical record reviews. Conventional echocardiography and TDI were performed on each patient. RESULTS: Mean age was 13.0 ± 3.2 (4.0-19.0) years. Eightythree patients (55%) were female. Age at diagnosis of HIV infection was 5.7 ± 3.3 years. Age at initiation of HAART was 7.34 ± 3.54 years, while duration of HAART was 59 ± 39.1 months. On conventional echocardiography, three cases of left ventricular (LV) systolic dysfunction, two of pulmonary hypertension and one of minimal pericardial effusion were identified. Calculation of myocardial mass index (MMI) revealed that 16 patients had abnormal values. Twenty-seven (17.9%) patients had evidence of LV diastolic dysfunction and 18 (11.9%) had right ventricular (RV) diastolic dysfunction. Nineteen (12.6%) patients had tricuspid annular systolic velocity of < 9.5 cm/s, indicating asymptomatic RV systolic dysfunction. CONCLUSIONS: While few patients had abnormalities such as reduced LV ejection fraction, pulmonary hypertension and minimal pericardial effusion detectable on conventional echocardiography, a larger proportion of patients had subtle abnormalities such as increased MMI, LV diastolic dysfunction on TDI, RV dysfunction and abnormal myocardial performance index. Such patients may need routine screening and cardiac follow up.
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