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巴基斯坦与阿富汗边境附近联邦直辖部落地区开伯尔行政区男学生中热带利什曼原虫的患病率。

Prevalence of Leishmania tropica in school boys of khyber agency, FATA near Pak-Afghan border.

作者信息

Qureshi Naveeda Akhtar, Ali Abid, Rashid Umer, Ali Naeem

机构信息

Department of Animal Sciences, Parasitology Laboratory, Quaid-i-Azam University, Islamabad, 45320, Pakistan.

Department of Animal Sciences, Parasitology Laboratory, Quaid-i-Azam University, Islamabad, 45320, Pakistan.

出版信息

Acta Trop. 2016 Dec;164:90-94. doi: 10.1016/j.actatropica.2016.08.031. Epub 2016 Sep 1.


DOI:10.1016/j.actatropica.2016.08.031
PMID:27593497
Abstract

In Pakistan leishmaniasis occurs periodically throughout the year and various out breaks are reported frequently. In continuation of our research on this neglected disease, the aim of present study is to explore: (1) the prevalence of cutaneous leishmaniasis in school boys; (2) Leishmania species identification in order to epidemiology and dynamics of the disease; (3) Identification of risk factors for Leishmaniasis especially for CL. The data was collected in August 2014 The experimental strategy involved a questionnaire for data collection and along with clinical diagnosis of 134 out of 9368 students for incidence of Leishmania spp. in 7 square kilometres area in the schoolboys at Tehsil Landi Kotal, District Khyber Agency, FATA Pakistan. The parasitological and molecular diagnosis of clinically suspected cutaneous leishmaniasis cases were performed using microscopical examination of Giemsa-stained smears of lesion exudates and minicircle kDNA semi nested PCR, respectively. Microscopy (x=1000) positive cases were 84/134 (62.6%) and 50/134 (37.4%) slides did not showed any presence of amastigotes of Leishmania spp. The samples were amplified using kDNA semi nested PCR and confirmed the presence of L. Tropica (Ac.no KT 985473). PCR positive cases were 97/134 (72.4%) and 37(27.6%) were negative. The prevalence of L. tropica in school boys was 1.4% (134/9368) in the total population studied (n=9368). The parasite prevalence might be greater as only male students were considered in the study due to ethical and social issues and limitations.

摘要

在巴基斯坦,利什曼病全年周期性发生,且经常报告有各种疫情爆发。作为我们对这种被忽视疾病研究的延续,本研究的目的是探索:(1)男学生中皮肤利什曼病的患病率;(2)利什曼原虫物种鉴定,以便了解该疾病的流行病学和动态;(3)利什曼病尤其是皮肤利什曼病的危险因素鉴定。数据于2014年8月收集。实验策略包括使用问卷收集数据,并对巴基斯坦联邦直辖部落地区开伯尔代理区兰迪科塔尔乡7平方公里区域内9368名男学生中的134名进行利什曼原虫属感染发病率的临床诊断。对临床疑似皮肤利什曼病病例分别使用病变渗出物吉姆萨染色涂片的显微镜检查和微小环kDNA半巢式PCR进行寄生虫学和分子诊断。显微镜检查(放大倍数为1000倍)阳性病例为84/134(62.6%),50/134(37.4%)的涂片未显示有任何利什曼原虫属无鞭毛体。使用kDNA半巢式PCR对样本进行扩增,确认存在热带利什曼原虫(登录号KT 985473)。PCR阳性病例为97/134(72.4%),37例(27.6%)为阴性。在所研究的总人口(n = 9368)中,男学生中热带利什曼原虫的患病率为1.4%(134/9368)。由于伦理和社会问题及限制,本研究仅考虑了男学生,因此寄生虫的实际患病率可能更高。

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引用本文的文献

[1]
Environmental and socio-demographic factors associated with cutaneous leishmaniasis in district Khyber, Pakistan; alarming spread of the disease to new foci.

Heliyon. 2024-4-16

[2]
Genotypic and phylogenic analyses of cutaneous leishmaniasis in Al Ahsa, Eastern Saudi Arabia during the coronavirus disease 2019 pandemic: First cases of Leishmania tropica with the predominance of Leishmania major.

Sci Rep. 2022-6-24

[3]
Epidemiological and pathological characteristics of Cutaneous Leishmaniasis from Baluchistan Province of Pakistan.

Parasitology. 2021-4

[4]
Failure of an Innovative Low-Cost, Noninvasive Thermotherapy Device for Treating Cutaneous Leishmaniasis Caused by in Pakistan.

Am J Trop Med Hyg. 2019-12

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