福建省长乐市广州管圆线虫暴发感染及疫源地的调查研究  

Investigation on Outbreaking Human Cases and Natural Infectious Focus of Angiostrongylus cantonensis Infection in Changle City, Fujian Province

作　　者：陈宝建[1] 李友松[1] 林金祥[1] 

机构地区：[1]福建省卫生防疫站,福建福州350001

出　　处：《寄生虫病与感染性疾病》2003年第1期6-8,F004,共4页Parasitoses and Infectious Diseases

摘　　要：目的查明福建省长乐市 8例广州管圆线虫病患者及其感染地是否为本病疫源地。方法对患者捕食的螺蛳与地点的调查 ;患者住处鼠粪病原体调查 ;现场拾取鼠粪 ,镜检广州管圆线虫 1期幼虫 ;捕捉患者捕食大瓶螺处的螺蛳进行病原体检查 ;现场捕捉该螺 ,去壳、厣后 ,取肌肉组织 ,用捣碎机捣碎 ,过滤沉淀 ,取上清液加入 2 0 %福尔马林溶液 ,离心 ,取渣检查广州管圆线虫 3期幼虫。结果鼠粪广州管圆线虫 1期幼虫感染率为39 3% (4 4 / 112 ) ;大瓶螺广州管圆线虫 3期幼虫感染率为 4 0 0 % (82 / 2 0 5 )。Abstract: Objective To delimit the natural infectious focus of human angiostrongyliasis cantonensis based on human outbreaking cases in Changle City, Fujian Province. Methods At first, clinical and laboratory confirming diagnoses were made in 8 human cases, and then, followed by pathogeny examinations in murine feces and Ampullaria gigas collected from the infection site. Results Pathogeny examinations showed that the infection rate of first stage larva of A.cantonensis in murine feces reached 39.3% (44/112), and third stage larva in Ampullaria gigas 40.0% (82/205). Conclusion Longfeng Village, Zhanggang Township, Changle City was confirmed to be the natural infectious focus of A.cantonensis infection.

关 键 词：福建 长乐市 广州管圆线虫病 疫源地 

分 类 号：R532.1[医药卫生—内科学]