A Case of Travel-Associated Tick-Borne Relapsing Fever in Wisconsin.

WMJ : official publication of the State Medical Society of Wisconsin Pub Date : 2025-01-01

Michael E Rockman, Zaynab Almothafer, Rylee Doucette, Daniel J Robbins, Michael Scolarici, Manlu Liu, Caitlin S Pepperell, Eduard Matkovic, Jordan Kenik

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Abstract

Introduction: Tick-borne relapsing fever is a zoonotic infection caused by members of the Borrelia genus of spirochetes found predominantly in the southwestern United States.

Case presentation: A 65-year-old woman presented to a Wisconsin emergency department with a 2-day history of fevers and altered mental status after returning from a 5-week stay in Colorado. Initial labs were notable for elevated transaminases, thrombocytopenia, mild hyponatremia, mild hypokalemia, and elevated procalcitonin.

Discussion: Rapid identification of patients with tick-borne relapsing fever is essential to minimize morbidity and mortality. Peripheral blood smear - especially during a febrile episode - can serve as a quick and accurate way to diagnose the illness with direct visualization of spirochetes.

Conclusions: Early analysis of a peripheral blood smear can lead to a swift diagnosis of tick-borne relapsing fever, particularly in nonendemic states such as Wisconsin.

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威斯康星州一例与旅行有关的蜱传播的回归热。

蜱传的回归热是一种人畜共患感染，由主要在美国西南部发现的螺旋体伯氏体属成员引起。病例介绍：一名65岁妇女在科罗拉多州停留5周后返回，因发烧2天和精神状态改变而被送往威斯康星州急诊科。初步实验结果显示转氨酶升高、血小板减少、轻度低钠血症、轻度低钾血症和降钙素原升高。讨论：快速识别蜱传回归热患者对于尽量减少发病率和死亡率至关重要。外周血涂片——特别是在发热期——可作为一种快速准确的方法，通过直接观察螺旋体来诊断该病。结论：早期外周血涂片分析可迅速诊断蜱传回归热，特别是在非流行州，如威斯康星州。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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WMJ : official publication of the State Medical Society of Wisconsin

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