Imported schistosomiasis in travelers: Experience from a referral tropical medicine unit in Barcelona, Spain

IF 6.3 3区 医学 Q1 INFECTIOUS DISEASES
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引用次数: 0

Abstract

Background

Acute schistosomiasis occurs most often in travelers to endemic regions. The aim of the study is to describe the epidemiological, clinical and parasitological characteristics of patients with schistosomiasis acquired during an international travel.

Methods

Observational retrospective study including all travel-related schistosomiasis cases seen at the International Health Unit Vall d’Hebron-Drassanes (Barcelona, Spain) from 2009 to 2022. Diagnosis of schistosomiasis was defined by the presence of Schistosoma eggs in stools or urine or the positivity of a serological test. We collected demographic, epidemiological, clinical, parasitological, and therapeutic information.

Results

917 cases of schistosomiasis were diagnosed, from whom 96 (10.5 %) were travel-related. Mean age of the patients was 34.9 years, and 53.1 % were women. Median duration of the travel was 72 days, and geographical areas where travelers had contact with fresh water were Africa (82.3 %), Asia (12.5 %), and South America (5.2 %). Twenty (20.8 %) patients reported having had some clinical symptom, being gastrointestinal symptoms the most frequent. Two patients developed the classical Katayama syndrome. In eleven (11.5 %) cases eggs were observed in urine or feces samples, and 85 (88.5 %) cases were diagnosed by a positive serology. Ninety-one (94.8 %) patients received treatment with praziquantel with different therapeutic schemes. The two patients with Katayama syndrome received concomitant treatment with corticosteroids.

Conclusions

Schistosomiasis in travelers represented 10 % of the overall schistosomiasis cases in our center. Increasing the awareness in the pre-travel advice and implementing specific screening in those travelers at risk (long travelers, contact with fresh water) could reduce the incidence and associated morbidity in this group.

旅行者中的输入性血吸虫病:西班牙巴塞罗那热带医学转诊单位的经验。
背景:急性血吸虫病多发于前往血吸虫病流行地区的旅行者。本研究旨在描述在国际旅行期间感染血吸虫病的患者的流行病学、临床和寄生虫学特征:观察性回顾研究包括 2009 年至 2022 年期间在 Vall d'Hebron-Drassanes 国际医疗中心(西班牙巴塞罗那)就诊的所有与旅行有关的血吸虫病病例。血吸虫病的诊断标准是粪便或尿液中出现血吸虫卵或血清学检测呈阳性。我们收集了人口统计学、流行病学、临床、寄生虫学和治疗信息:结果:共确诊 917 例血吸虫病患者,其中 96 例(10.5%)与旅行有关。患者平均年龄为 34.9 岁,53.1% 为女性。旅行时间中位数为 72 天,旅行者接触过淡水的地区包括非洲(82.3%)、亚洲(12.5%)和南美洲(5.2%)。有 20 名(20.8%)患者表示出现过一些临床症状,其中以胃肠道症状最为常见。两名患者出现了典型的片山综合征。在 11 个病例(11.5%)的尿液或粪便样本中观察到虫卵,85 个病例(88.5%)通过阳性血清学确诊。91例(94.8%)患者接受了不同治疗方案的吡喹酮治疗。两名片山综合征患者同时接受了皮质类固醇治疗:结论:旅行者血吸虫病占本中心血吸虫病病例总数的 10%。提高旅行前咨询的意识,并对高危旅行者(长期旅行者、接触淡水者)实施特定筛查,可降低该群体的发病率和相关发病率。
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来源期刊
Travel Medicine and Infectious Disease
Travel Medicine and Infectious Disease PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH-INFECTIOUS DISEASES
CiteScore
19.40
自引率
1.70%
发文量
211
审稿时长
49 days
期刊介绍: Travel Medicine and Infectious Disease Publication Scope: Publishes original papers, reviews, and consensus papers Primary theme: infectious disease in the context of travel medicine Focus Areas: Epidemiology and surveillance of travel-related illness Prevention and treatment of travel-associated infections Malaria prevention and treatment Travellers' diarrhoea Infections associated with mass gatherings Migration-related infections Vaccines and vaccine-preventable disease Global policy/regulations for disease prevention and control Practical clinical issues for travel and tropical medicine practitioners Coverage: Addresses areas of controversy and debate in travel medicine Aims to inform guidelines and policy pertinent to travel medicine and the prevention of infectious disease Publication Features: Offers a fast peer-review process Provides early online publication of accepted manuscripts Aims to publish cutting-edge papers
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