一旦完成治疗,类圆线虫感染不会复发,除非再次暴露于受感染的土壤。若延误诊断或寻求治疗,则常见危重病情。重度感染患者中,40%~60% 会死亡。无嗜酸粒细胞增多症则标志死亡风险 > 85%。[16]Lim S, Katz K, Krajden S, et al. Complicated and fatal Strongyloides infection in Canadians: risk factors, diagnosis and management. CMAJ. 2004;171:479-484.http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pubmed&pubmedid=15337730http://www.ncbi.nlm.nih.gov/pubmed/15337730?tool=bestpractice.com[17]Newberry AM, Williams DN, Stauffer WM, et al. Strongyloides hyperinfection presenting as acute respiratory failure and gram-negative sepsis. Chest. 2005;128:3681-3684.http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1941746/http://www.ncbi.nlm.nih.gov/pubmed/16304332?tool=bestpractice.com