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사람면역결핍바이러스 감염 환자의 폐동맥 고혈압 발생빈도 및 임상양상

Other Titles
 Prevalence and Clinical Characteristics of Pulmonary Arterial Hypertension in Human Immunodeficiency Virus-Infected Patients 
 김미현 ; 장혁재 ; 김준명 ; 최준용 ; 한상훈 ; 신소연 ; 정남식 ; 하종원 ; 심지영 ; 양우인 ; 강민경 ; 홍지영 ; 양영준 
 Korean Journal of Medicine (대한내과학회지), Vol.81(6) : 729~739, 2011 
Journal Title
 Korean Journal of Medicine (대한내과학회지) 
Issue Date
Background/Aims: Human immunodeficiency virus-associated pulmonary arterial hypertension (HIV-PAH) is a complication of HIV infection. Due to improvements in HIV survival rates following the introduction of highly active antiretroviral therapy, HIV-PAH has become an important cause of HIV-related morbidity. Thus, the objective of this study was to explore the prevalence and characteristics of HIV-PAH. Methods: Ninety-two patients were enrolled in the study from March to August 2010. We investigated clinical characteristics and performed echocardiography. HIV-PAH was defined as having a mean pulmonary arterial pressure (mPAP)≥25 mmHg based on Mahan`s equation, without lung disease or heart disease. The HIV-PAH-possible group was defined as having a tricuspid regurgitation velocity (TRV) of 2.9-3.4 m/s and a pulmonary arterial systolic pressure (PASP) of 37-50 mmHg. Results: Fifteen patients (16.3%) met the criteria of HIV-PAH based on mPAP. With respect to TRV, six patients met the criteria of the HIV-PAH-possible group. Based on the criteria of mPAP, the duration of HIV infection was not different with or without HIV-PAH. HIV RNA titers and CD4 T cell counts tended to be higher in HIV-PAH patients (8,607±11 vs. 1,067±64 copies/mL, p=0.371; 471±148 vs. 499±252 cells/mm3, p=0.680, respectively). Echocardiographic indices of the right ventricle were significantly deteriorated in the HIV-PAH group as compared with the non-HIV-PAH group (TASPE: 20.52 vs. 23.2, p=0.001; Tei index: 0.42 vs. 0.39, p=0.037). In a multivariate regression analysis, HIV activity factors (HIV duration, HIV RNA titer, and CD4 cell count) were not associated with echocardiographic indices of PAH (mPAP, PASP, and pulmonary vascular resistance). Conclusions: In this study, the prevalence of HIV-PAH was comparable to that of previous studies.
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