Department of Biosciences, COMSATS University (CUI), Tarlai Kalan, Chak Shahzad, Islamabad, 45550, Pakistan.
Department of Paediatrics, Benazir Bhutto Hospital, Rawalpindi, Pakistan.
BMC Infect Dis. 2019 Nov 21;19(1):978. doi: 10.1186/s12879-019-4575-1.
Acute diarrhea is a leading cause of morbidity and mortality in children particularly in developing countries of Asia and Africa. The present study was conducted to detect the two most important pathogens, rotavirus and Campylobacter Jejuni in children suffering with diarrhea in Rawalpindi and Islamabad, Pakistan in 2014. The clinical and epidemiological aspects of the disease were also investigated.
A total of 500 stool samples were collected from children presented with clinical signs and symptoms of acute diarrhea. The samples were initially screened for the presence of rotavirus A (RVA) via ELISA (Enzyme-linked immunosorbent assay) and RT-PCR (Reverse Transcriptase PCR) and then were analysed for C. jejuni by using species specific PCR assay.
The detection rate of RVA was 26.4% (132/500) while, Campylobacter was detected in 52% (260/500) of samples with C. jejuni accounted for 48.2% (241/500) of all study cases. Co-infection of C. jejuni with RVA was identified in 21.8% of all cases. Children with RVA and C. jejuni co-infection showed a higher probability (p = 0.01) to be dehydrated. A significant association (p = 0.02) was found between C. jejuni positive status and fever in children. The median age of children with both RVA and C. jejuni infection was 6-11 months. The RVA detection rate was high in winter months of the year while, C. jejuni infections were documented high in summer over 1 year study period.
The overall results have demonstrated the high prevalence of C. jejuni in Rawalpindi, Islamabad, Pakistan in 2014. The results of present study will not only help to calculate disease burden caused by C. jejuni and rotavirus but also will provide critical information to health authorities in planning public health care strategies against these pathogens.
急性腹泻是导致儿童发病和死亡的主要原因,在亚洲和非洲的发展中国家尤其如此。本研究旨在检测 2014 年在巴基斯坦拉瓦尔品第和伊斯兰堡腹泻儿童中两种最重要的病原体,轮状病毒和空肠弯曲菌。还对疾病的临床和流行病学方面进行了调查。
共收集 500 份来自有急性腹泻临床症状和体征的儿童粪便样本。采用酶联免疫吸附试验(ELISA)和逆转录聚合酶链反应(RT-PCR)对轮状病毒 A(RVA)进行初步筛查,然后采用特异性 PCR 检测空肠弯曲菌。
RVA 的检出率为 26.4%(132/500),而空肠弯曲菌在 52%(260/500)的样本中被检出,其中 48.2%(241/500)的研究病例为空肠弯曲菌。所有病例中,空肠弯曲菌与 RVA 的混合感染率为 21.8%。RVA 和空肠弯曲菌混合感染的儿童更有可能出现脱水(p=0.01)。空肠弯曲菌阳性与儿童发热之间存在显著相关性(p=0.02)。同时感染 RVA 和空肠弯曲菌的儿童的中位年龄为 6-11 个月。RVA 的检出率在当年的冬季较高,而空肠弯曲菌感染在 1 年的研究期间夏季较高。
总体结果表明,2014 年巴基斯坦拉瓦尔品第和伊斯兰堡空肠弯曲菌的感染率较高。本研究结果不仅有助于计算空肠弯曲菌和轮状病毒引起的疾病负担,还为卫生当局规划针对这些病原体的公共卫生保健策略提供了重要信息。