儿童急性淋巴细胞白血病化疗继发肺炎支原体感染临床特征及其影响因素Clinical characteristics and influencing factors for chemotherapy-induced Mycoplasma pneumoniae infection in children with acute lymphoblastic leukemia
严梓,翟宗,王易,谢晓恬
摘要(Abstract):
目的 探讨儿童急性淋巴细胞白血病(ALL)化疗继发肺炎支原体(MP)感染(ALL-MP)临床特征及其影响因素。方法 选取苏州大学附属儿童医院血液科2015年1月-2019年12月住院接受系统化疗的675例儿童ALL为研究对象,收集患儿临床资料、检测MP血清抗体、C-反应蛋白(CRP)等,分析化疗方案及临床结局,单因素及多因素分析ALL-MP患儿累及肺部的影响因素。结果 675例儿童ALL化疗期间继发感染594例,其中ALL-MP占12.46%(74/594例),24.32%(18/74例)ALL-MP感染部位不明;初诊ALL年龄≥2岁者MP感染发生率高于<2岁者(P<0.05);T系ALL的MP感染发生率高于B系ALL(P<0.05);大剂量甲氨蝶呤(HD-MTX)化疗组MP感染发生率高于非HD-MTX组(P<0.05);ALL-MP儿童中,<5岁下呼吸道感染发生率高于≥5岁(P<0.05),累及肺部组较未累及肺部组年龄偏小、女性偏多、非粒缺发生率更高(P<0.05),其中女性、年龄小是ALL-MP感染后累及肺部的危险因素(P<0.05);阿奇霉素抗ALL-MP疗效显著;随访中MP感染组仅1例ALL复发。结论 儿童ALL-MP存在下列特征:T系ALL、HD-MTX化疗组的MP感染发生率高,<5岁下呼吸道感染发生率较高,女性、年龄小可能为ALL-MP感染后累及肺部的危险因素。
关键词(KeyWords): 儿童急性淋巴细胞白血病;化疗;肺炎支原体;大环内酯类;临床特征;影响因素
基金项目(Foundation): 国家血液系统疾病临床医学研究中心委托课题(2020WSB05);; 江苏省妇幼健康科研基金资助项目(F201815);; 苏州市临床重点病种诊疗专项基金资助项目(LCZX202008);; 苏州市“科教兴卫”青年科技基金资助项目(KJXW2019024)
作者(Author): 严梓,翟宗,王易,谢晓恬
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