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. 2011 Nov-Dec;44(6):779-85.
doi: 10.1016/j.jelectrocard.2010.10.027. Epub 2010 Dec 8.

Prevalence and prognostic significance of ECG abnormalities in HIV-infected patients: results from the Strategies for Management of Antiretroviral Therapy study

Elsayed Z Soliman  1 , Ronald J Prineas, Mollie P Roediger, Daniel A Duprez, Franck Boccara, Christoph Boesecke, Christoph Stephan, Sally Hodder, James H Stein, Jens D Lundgren, James D Neaton
Affiliations

Prevalence and prognostic significance of ECG abnormalities in HIV-infected patients: results from the Strategies for Management of Antiretroviral Therapy study

Elsayed Z Soliman et al. J Electrocardiol. 2011 Nov-Dec.

Abstract

Background: It remains debated whether to include resting electrocardiogram (ECG) in the routine care of human immunodeficiency virus (HIV)-infected patients.

Methods: This analysis included 4518 HIV-infected patients (28% women and 29% blacks) from the Strategies for Management of Antiretroviral Therapy study, a clinical trial aimed to compare 2 HIV treatment strategies. ECG abnormalities were classified using the Minnesota Code. Cox proportional hazards analysis was used to examine the association between baseline ECG abnormalities and incident cardiovascular disease (CVD).

Results: More than half of the participants (n = 2325, or 51.5%) had either minor or major ECG abnormalities. Minor ECG abnormalities (48.6%) were more common than major ECG abnormalities (7.7%). During a median follow-up of 28.7 months, 155 participants (3.4%) developed incident CVD. After adjusting for the study-treatment arms, the presence of major, minor, and either minor or major ECG abnormalities was significantly predictive of incident CVD (hazard ratio [95% confidence interval]: 2.76 [1.74-4.39], P < .001; 1.58 [1.14-2.20], P = .006; 1.57 [1.14-2.18], P = .006, respectively). However, after adjusting for demographics, CVD risk factors, and HIV characteristics (full model), presence of major ECG abnormalities were still significantly predictive of CVD (1.83 [1.12-2.97], P = .015) but not minor or major abnormalities taken together (1.26 [0.89-1.79], P = .18; 1.25 [0.89-1.76], P = .20, respectively). Individual ECG abnormalities that significantly predicted CVD in the fully adjusted model included major isolated ST-T abnormalities, major prolongation of QT interval, minor isolated ST-T, and minor isolated Q-QS abnormalities.

Conclusion: Nearly 1 in 2 of the HIV-infected patients in our study had ECG abnormalities; 1 in 13 had major ECG abnormalities. Presence of ECG abnormalities, especially major ECG abnormalities, was independently predictive of incident CVD. These results suggest that the ECG could provide a convenient risk-screening tool in HIV-infected patients.

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Figures

Figure 1
Figure 1
Study flow diagram
Figure 2
Figure 2
Kaplan-Meier estimates of the cumulative risk of a cardiovascular disease event according to presence of major ECG abnormalities
See this image and copyright information in PMC

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