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非洲与 HIV 相关心血管疾病的最新进展。

Recent advances in HIV-associated cardiovascular diseases in Africa.

机构信息

MRCP Division of Cardiovascular Diseases, Mayo Clinic, 200 1st Street SW, Rochester, MN 55905, USA.

出版信息

Heart. 2013 Aug;99(16):1146-53. doi: 10.1136/heartjnl-2012-303177. Epub 2013 May 16.

Abstract

The last decade has witnessed major advances in our understanding of the epidemiology and pathophysiology of HIV-related cardiovascular disease in sub-Saharan Africa. In this review, we summarise these and discuss clinically relevant advances in diagnosis and treatment. In the Heart of Soweto Study, 10% of patients with newly diagnosed cardiovascular disease were HIV positive, and the most common HIV-related presentations were cardiomyopathy (38%), pericardial disease (13%) and pulmonary arterial hypertension (8%). HIV-related cardiomyopathy is more common with increased immunosuppression and HIV viraemia. With adequate antiretroviral therapy, the prevalence is low. Contributing factors such as malnutrition and genetic predisposition are under investigation. In other settings, pericardial disease is the most common presentation of HIV-related cardiovascular disease (over 40%), and over 90% of pericardial effusions are due to Mycobacterium tuberculosis (TB) pericarditis. HIV-associated TB pericarditis is associated with a greater prevalence of myopericarditis, a lower rate of progression to constriction, and markedly increased mortality. The role of steroids is currently under investigation in the form of a randomised controlled trial. HIV-associated pulmonary hypertension is significantly more common in sub-Saharan Africa than in developed countries, possibly as a result of interactions between HIV and other infectious agents, with very limited treatment options. It has recently been recognised that patients with HIV are at increased risk of sudden death. Infection with HIV is independently associated with QT prolongation, which is more marked with hepatitis C co-infection and associated with a 4.5-fold higher than expected rate of sudden death. The contribution of coronary disease to the overall burden of HIV-associated cardiovascular disease is still low in sub-Saharan Africa.

摘要

在过去的十年中,我们对撒哈拉以南非洲地区与 HIV 相关的心血管疾病的流行病学和病理生理学有了重大的认识进展。在这篇综述中,我们总结了这些进展,并讨论了诊断和治疗方面的临床相关进展。在索韦托心脏研究中,10%的新发心血管疾病患者 HIV 阳性,HIV 相关的最常见表现为心肌病(38%)、心包疾病(13%)和肺动脉高压(8%)。HIV 相关性心肌病在免疫抑制和 HIV 病毒血症增加时更为常见。接受充分的抗逆转录病毒治疗后,其患病率较低。营养不良和遗传易感性等因素正在研究中。在其他环境中,心包疾病是 HIV 相关心血管疾病最常见的表现(超过 40%),超过 90%的心包积液是由结核分枝杆菌(TB)心包炎引起的。HIV 相关 TB 心包炎与更常见的心肌心包炎、进展为缩窄的比例较低以及明显增加的死亡率有关。目前正在通过一项随机对照试验研究类固醇的作用。与发达国家相比,HIV 相关肺动脉高压在撒哈拉以南非洲更为常见,这可能是由于 HIV 与其他感染因子相互作用的结果,治疗选择非常有限。最近人们认识到,HIV 感染者发生猝死的风险增加。HIV 感染与 QT 延长独立相关,与丙型肝炎合并感染时更为明显,与预期的猝死发生率相比高出 4.5 倍。在撒哈拉以南非洲,冠心病对 HIV 相关心血管疾病总体负担的贡献仍然较低。

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