Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston, Texas, USA.
Department of Pediatrics, Section of Tropical Medicine, Baylor College of Medicine, Houston, Texas, USA.
Clin Infect Dis. 2022 Sep 14;75(5):901-906. doi: 10.1093/cid/ciac154.
Chagas disease screening of at-risk populations is essential to identify infected individuals and facilitate timely treatment before end-organ damage occurs. Coinfected people with human immunodeficiency virus (PWH) are at risk for dangerous sequelae, specifically Trypanosoma cruzi reactivation disease. Recently published national recommendations indicate that at-risk PWH, particularly those from endemic areas or born to women from endemic areas, should be screened via a sensitive anti-T. cruzi IgG assay. However, immunocompromised patients with negative serologic results may warrant further investigation. Reactivation should be suspected in at-risk, untreated PWH with low CD4 cell counts presenting with acute neurologic or cardiac symptoms; these patients should be promptly evaluated and treated. One pragmatic solution to improve Chagas disease screening among PWH and thereby reduce T. cruzi-related morbidity and mortality is to incorporate Chagas disease screening into the panel of tests routinely performed during the entry-to-care evaluation for at-risk PWH.
恰加斯病的高危人群筛查对于识别感染者并在终末器官损伤发生前及时进行治疗至关重要。合并人类免疫缺陷病毒(HIV)感染的患者存在严重后果的风险,特别是克氏锥虫再激活疾病。最近发布的国家建议指出,高危 HIV 感染者,特别是来自流行地区或出生于流行地区女性的 HIV 感染者,应通过敏感的抗克氏锥虫 IgG 检测进行筛查。然而,免疫功能低下且血清学结果阴性的患者可能需要进一步检查。对于未经治疗且 CD4 细胞计数较低的高危 HIV 感染者,若出现急性神经或心脏症状,应怀疑再激活;这些患者应立即进行评估和治疗。改善 HIV 感染者恰加斯病筛查,从而降低克氏锥虫相关发病率和死亡率的一种切实可行的方法是,将恰加斯病筛查纳入高危 HIV 感染者进入治疗前评估时常规进行的一组检测中。