2001-2008 年美国印第安人落基山斑疹热临床诊断趋势。
Trends in clinical diagnoses of Rocky Mountain spotted fever among American Indians, 2001-2008.
机构信息
Division of High-Consequence Pathogens and Pathology, and Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
出版信息
Am J Trop Med Hyg. 2012 Jan;86(1):152-8. doi: 10.4269/ajtmh.2012.11-0269.
American Indians are at greater risk for Rocky Mountain spotted fever (RMSF) than the general U.S. population. The epidemiology of RMSF among American Indians was examined by using Indian Health Service inpatient and outpatient records with an RMSF International Classification of Diseases, Ninth Revision, Clinical Modification diagnosis. For 2001-2008, 958 American Indian patients with clinical diagnoses of RMSF were reported. The average annual RMSF incidence was 94.6 per 1,000,000 persons, with a significant increasing incidence trend from 24.2 in 2001 to 139.4 in 2008 (P = 0.006). Most (89%) RMSF hospital visits occurred in the Southern Plains and Southwest regions, where the average annual incidence rates were 277.2 and 49.4, respectively. Only the Southwest region had a significant increasing incidence trend (P = 0.005), likely linked to the emergence of brown dog ticks as an RMSF vector in eastern Arizona. It is important to continue monitoring RMSF infection to inform public health interventions that target RMSF reduction in high-risk populations.
美国印第安人罹患落基山斑疹热（RMSF）的风险高于美国一般人群。本研究使用印第安人健康服务机构的住院和门诊记录，采用 RMSF 国际疾病分类第 9 版临床修订版诊断，对美国印第安人 RMSF 的流行病学进行了研究。2001-2008 年，报告了 958 例临床诊断 RMSF 的美国印第安患者。RMSF 的年平均发病率为每 100 万人 94.6 例，发病率呈显著上升趋势，从 2001 年的 24.2 例增至 2008 年的 139.4 例（P = 0.006）。大多数（89%）RMSF 住院就诊发生在南部平原和西南部地区，这两个地区的年平均发病率分别为 277.2 和 49.4。只有西南部地区的发病率呈显著上升趋势（P = 0.005），这可能与亚利桑那州东部棕狗蜱成为 RMSF 传播媒介有关。继续监测 RMSF 感染对于告知针对高危人群的 RMSF 减少的公共卫生干预措施非常重要。
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