论文摘要
目的:研究系统性红斑狼疮(systemic lupus erythematosus,SLE)患者规范化治疗过程中合并感染的情况,分析探讨增加SLE患者感染发生的危险因素。方法:回顾性分析我院2003-2006年诊治的100例SLE患者,所有患者一经确诊即根据临床表现、病情活动度及严重性给予非甾体类抗炎药和/或抗疟药羟氯喹和/或糖皮质激素(gluco-corticosteroid,GC)和/或免疫抑制剂规范治疗。狼疮确诊为研究起点,研究终点为治疗过程中合并感染或治疗满2年,病程中发生恶性肿瘤、其他原因死亡或失访按不完全数据处理。记录患者确诊时的一般情况、实验室指标、疾病活动指数(SLEDAI)和治疗6个月后的狼疮脏器损害指数(SLICC/ACRDI),治疗过程中感染发生的时间、部位和病原体,详细计算研究终点时患者使用的GC和环磷酰胺(Cyclophosphamide,CTX)总量。探讨SLE治疗过程中感染发生的时间特点、主要部位和主要病原体。根据感染发生情况将患者分为2组,单因素分析用两样本t检验法筛选SLE感染的相关因素,多因素分析将P<0.2的相关因素用Cox’s风险比例回归模型检验,探讨增加SLE感染发生的危险因素。结果:100例SLE患者平均观察时间14±16个月,观察期间共有32例患者合并感染,规范治疗的第一年内有26例患者发生感染,第二年有6例患者合并感染,主要感染部位为呼吸道、泌尿道和皮肤,主要病原体为普通细菌、带状疱疹病毒和真菌。SLE感染组和未感染组两样本t检验的单因素分析显示,P<0.2的因素有CTX总量、GC总量、GC日量、SLEDAI、ACRDI、补体C3和尿蛋白定量。SLE感染的多变量Cox’s风险比例回归模型共纳入2项因素:ACRDI和GC总量,其OR值分别为1.8和1.1。结论:SLE患者治疗过程中容易合并各种类型的感染,感染主要发生在规范化治疗的第一年内,CTX总量和GC总量是SLE合并感染的相关因素,ACRDI和GC总量是增加SLE感染发生的危险因素。
论文目录
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