人感染猪链球菌导致心内膜炎1例

2022-09-12 朱名超,朱娅等 天门市第一人民医院 “检验医学”公众号

作为检验科的微生物实验室,传统的培养技术不能丢,培养及药敏鉴定结果是医生手中的指挥棒,检验与临床需要密切配合,及时沟通,临床医生需要检验结果的支持和鉴别,才能早期快速准确的诊断疾病。

前言

猪链球菌(Streptococcussuis,SS)是一种革兰阳性链球菌,可导致猪脑膜炎、败血症、关节炎及心内膜炎等,甚至急性死亡[1],也是重要的人兽共患病原菌,能通过人的伤口、呼吸道等部位感染人体,引起人脑膜炎、败血症、关节炎、心内膜炎和眼内炎[2]等,其特点是起病隐匿、进展迅速、病情危重、病死率高[3]。随着养殖产业的发展,猪群养殖规模不断扩大下,猪链球菌病的发生率也在随之上涨[4]。

世界动物卫生组织已将猪链球菌病列为B类疫病,我国将其列为二类动物疫病,也是其他法定监测的传染病之一。在我国,该病以散发为主,偶有暴发(1998年江苏省和2005年四川省曾发生暴发)[5]。因此,早期发现病原,及时治疗是降低病死率的关键。现对本院1例心内膜炎型人感染猪链球菌病病例的诊疗经过、临床特征和治疗及转归进行分析。

案例经过

患者,男,68岁,患者2022年2月12日因过劳操作出现腰部胀痛、乏力、双下肢水肿,来我院肾内科门诊就诊,门诊血常规示血红蛋白 91 g/L,遂以“中度贫血”收入血液科。患者13天前无明显诱因出现乏力、腹部胀痛,伴干咳、白色泡沫样痰,无明显头痛、恶心、呕吐,无胸闷、胸痛、肉眼血尿,无腹痛、腹泻、黑便、血便,无发热、皮疹、关节肿痛等。于当地卫生院治疗后(具体不详),下肢水肿消失,腰痛、乏力无明显好转,遂来我院。

入院查体:T:36.5℃,P:107次/分,R:21次/分,BP:120/60mmHg,神志清楚,表情自然,颈软,贫血貌,皮肤巩膜无黄染,浅表淋巴结未及肿大。胸骨无叩痛,HR107bpm,心律齐,未闻及明显杂音。双肺呼吸音清,未闻及明显啰音。腹平软,肝肋下未及,脾肋下2横指,无压痛及反跳痛。肾区无叩击痛,双下肢无水肿。

实验室检查:(1)血常规:白细胞计数(WBC):10.70×109/L↑,红细胞计数(RBC):3.27×1012/L↓,血红蛋白浓度(HGB):91g/L↓,血细胞比容(HCT):28.5%,中性粒细胞绝对值(NEU#):8.99×109/L↑,中性粒细胞百分比(NEU%):84.1%↑,淋巴细胞绝对值(LYM#):1.03×109/L↓,淋巴细胞百分比(LYM%):9.6%↓,提示贫血和感染血象,超敏C反应蛋白(hsCRP):72.14mg/L,降钙素原(PCT):0.171ng/ml,提示炎症;(2)生化检查:总蛋白(TP):63.4g/L↓,白蛋白(ALB):30.2g/L↓,白球比:0.9↓,血清铁(Fe):2.3umol/L。心肌酶谱:α-羟丁酸脱氢酶:186U/L↑,轻度升高。

腰椎间盘CT平扫+三维:腰椎退行性病变,L2/3、L3/4、L4/5及L5/S1椎间盘膨出。

肝胆脾胰泌尿系彩超:双肾实质性回声增强,前列腺增生、双侧胸腔积液。心电图正常范围。

患者因“乏力、腰部胀痛13天,发现血红蛋白异常1天”入院,先后收治血液科,以“骨髓瘤?”等血液病诊治,2022年2月15日出现发热,后相继完善骨穿、血培养、PCT、痰培养、肺部CT等检查。骨穿考虑感染性骨髓象,hsCRP:72.14mg/L,PCT:0.171ng/ml均升高提示感染,血培养G+球菌生长,考虑败血症,已予以抗感染治疗,转至感染科治疗,脑钠肽(BNP):氨基末端-B型钠尿肽前体测定8605.00pg/ml,符合心衰表现,继续予以抗心衰治疗,查心脏彩超示:感染性心内膜炎:主动脉瓣赘生物形成,左冠瓣脱垂并重度关闭不全。于2022.02.21转至武汉中南医院,2022.02.26在全麻体外循环下行二尖瓣成形+主动脉瓣机械瓣置换+主动脉根部脓肿清除术。术后恢复较好,好转出院。

案例分析

检验案例分析

患者血常规:WBC:10.38×109/L,NEU%:80.60%,NEU#:8.37×109/L,hsCRP:72.14mg/L,PCT:0.171ng/ml,提示严重的炎症感染,结合患者后续出现了发热症状,建议临床送检血培养,2022.2.16日患者血培养需氧及厌氧培养液涂片镜检可见革兰阳性球菌生长,提示G+球菌生长,考虑败血症,予以抗感染治疗。该细菌在血琼脂培养表面长出圆形凸起、表面光滑、边缘湿润的灰白色菌落,菌落周边可见溶血环,结合培养特性及质谱分析最终鉴定为猪链球菌,细菌菌落形态如下图

图1 血培养后的猪链球菌菌落形态

图2 革兰染色后显微镜下形态呈革阳性球菌

图3 质谱鉴定结果

经过检验科提供的药敏结果正确合理用药后,CRP结果迅速回落,患者得到了很好的治疗效果,患者不同时段hsCRP检测结果如下图。

图4 患者不同时段的hsCRP结果

临床案例分析

老年男性患者,因“患者因“乏力、腰部胀痛13天,发现血红蛋白异常1天”入院,既往否认有高血压、冠心病、糖尿病史;否认肝炎结核病史;否认药物及食物过敏史;辅检:2022年02月12日门诊血常规:WBC10.70×109/L,RBC3.27×1012/L,HGB 91g/L;HCT 28.50%;NEU% 84.10%;LYM% 9.60%;EOS% 0.00%;NEU#:8.37×109/L,hsCRP:72.14mg/L,PCT:0.171ng/ml,提示感染,根据症状、体征、辅检初步诊断:1.贫血待查2.骨髓瘤?3.前列腺增生4.胸腔积液。

2022年02月15日患者出现发热,最高体温38.5℃,考虑是否合并败血症。送检血培养检查,02月16日血培养报告培养出G+球菌,考虑败血症,予以抗感染治疗。2月18日细菌鉴定结果为猪链球菌,结合患者为屠猪户,平素宰猪肉时无戴手套习惯,有被猪骨划伤病史最终诊断为猪链球菌败血症。遂将患者转至感染科治疗,患者脑钠肽(BNP):氨基末端-B型钠尿肽前体测定8605.00pg/ml,符合心衰表现,继续予以抗心衰治疗。心内科科医师会诊,考虑猪链球菌感染性心内膜炎,建议上级医院就诊。

出院诊断:

猪链球菌败血症感染性心内膜炎?

急性左心衰竭

心功能Ⅳ级

肺水肿肺部感染

轻度贫血

前列腺增生

胸腔积液

低蛋白血症腰椎间盘突出

亚临床甲减

乙肝表面抗原携带者

后续情况:

患者于2022.02.21转至武汉中南医院,查心脏彩超超声提示:感染性心内膜炎:主动脉瓣赘生物形成,左冠瓣脱垂并重度关闭不全;二尖瓣瓣尖及瓣尖腱索粟粒状赘生物形成中-重度关闭不全,左心扩大,三尖瓣轻度关闭不全,肺动脉增宽并轻度肺高压,卵圆孔未闭(左向右分流),心包腔少量积液。2022.02.26在全麻体外循环下行二尖瓣成形+主动脉瓣机械瓣置换+主动脉根部脓肿清除术。术后予以镇痛对症、呼吸机辅助呼吸、维护心功能、扩冠/管、调整血容量、稳定内环境、加强抗感染(万古霉素)及对症支持治疗,后复查感染指标超敏C反应蛋白:17.1mg/L,脑钠肽:氨基末端-B型钠尿肽前体测定:252.2pg/ml,好转出院。

知识拓展

猪链球菌是一种无鞭毛、无芽孢、有荚膜的革兰氏阳性菌,其形态呈卵圆形、圆形,在显微镜下呈链状排列。猪链球菌除了感染生猪外,牛、羊、家禽等动物及饲养员也均可感染[6]。定植部位为猪的上呼吸道,尤其是扁桃体和鼻腔。可在感染猪链球菌后出现发热、乏力、腹胀、腹泻等症状,严重者可出现败血症、感染性心内膜炎、脑膜炎甚至死亡。感染人群多为饲养员及屠宰场工人或卖猪个体户等[7]。传播途径:猪同类之间的传播可以是呼吸道传播、消化道、生殖道及母婴传播,其中也可通过病鼠传播,也有相关研究表明鸟类也起了传播媒介的作用。人感染猪链球菌多有与猪有密切接触史,其中伤口和消化道是重要的感染渠道。本例患者有职业接触史、皮肤破损史,病猪通过破损的皮肤感染患者。一般情况下病程短,病程较长病例可持续3-5d,主要为突发症状,发生在猪链球菌病流行的初期。急性败血型猪链球菌病的发病率较低,一般为20%~40%,但死亡率高达80%。因此应引起重视。

猪链球菌可通过动物粪便、分泌物等污染饲料、饮水,并能通过接触和蚊虫传播的细菌性疾病,因此在生猪养殖及屠宰过程中必须做好卫生清洁和人、车、料进出场管理。日常要加强猪舍用具、猪舍内部的清洁,定期进行消毒,切断病原传播途径,接触猪时还应戴手套若发现有发病猪只,要在第一时间对其进行隔离,应在药敏试验的基础上应用抗生素治疗,以防因耐药性出现导致治愈率低的问题。

案例总结

本案例患者起病隐匿,以乏力、腰痛、贫血为首发症状,入住血液科,按照血液病治疗,经过骨穿及相关检验检查指标,逐步排除血液病,检验结果提示炎症感染较重,提醒临床进行血培养检查,患者通过血培养检出革兰阳性球菌,将革兰氏染色后的病原菌置于显微镜下观察,发现紫色的圆形或卵圆形成对或短链排列、单个存在的圆形球菌,经过质谱最终鉴定为猪链球菌,通过药敏试验为临床提供了正确的用药指导。

猪链球菌病是一种人畜共患病,在猪养殖业中经常会出现,不仅危害猪只的生长,也会威胁人体健康。近些年,链球菌病的发病率逐渐升高,在一定程度上增加了防控和治疗的难度[8]。猪链球菌病的传播速度快,对猪只的生长危害较大,近年来不断有人感染猪链球菌病例报道,临床医生在接诊患者时,对有职业暴露及疫畜接触史的病人应加强猪链球菌的意识,及时与检验科密切沟通,通过细菌培养等手段,协助准确及时诊断疾病,对患者治疗至关重要。

专家点评

近年来,人感染猪链球菌病例随着现在检测技术不断提高检出率逐渐增多,正确快速的诊断至关重要,本例患者以腰疼、乏力、贫血入院,辗转血液科、感染科及心内科多个科室治疗、检测,最终经过检验科的细菌鉴定,明确诊断,诊断离不开检验工作人员的检测技术,虽然分子诊断迅速崛起,一代测序技术和二代测序等技术都受到了广泛的重视和关注,但是作为检验科的微生物实验室,传统的培养技术不能丢,培养及药敏鉴定结果是医生手中的指挥棒,检验与临床需要密切配合,及时沟通,临床医生需要检验结果的支持和鉴别,才能早期快速准确的诊断疾病,后期的药敏试验也为临床医生合理用药奠定坚实基础。(尹琼,主任医师,天门市第一人民医院心内科主任)

参考文献

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马青,李世军,刘英,等.贵州省1例人感染猪链球菌病例的病原学检测与分析[J].中国人兽共患病学报,2015,31(5):489-492.

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#插入话题
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  2. [GetPortalCommentsPageByObjectIdResponse(id=2079206, encodeId=d4e520e920647, content=<a href='/topic/show?id=9078682059e' target=_blank style='color:#2F92EE;'>#猪链球菌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=68205, encryptionId=9078682059e, topicName=猪链球菌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=84fb152, createdName=xiongliangxl, createdTime=Fri Jun 09 21:48:03 CST 2023, time=2023-06-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1708725, encodeId=5c021e08725b6, content=<a href='/topic/show?id=4c2d3051535' target=_blank style='color:#2F92EE;'>#内膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=30515, encryptionId=4c2d3051535, topicName=内膜)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=730431558473, createdName=12498974m61暂无昵称, createdTime=Mon Nov 14 01:48:03 CST 2022, time=2022-11-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1350777, encodeId=27191350e77a2, content=<a href='/topic/show?id=a32d508e8c3' target=_blank style='color:#2F92EE;'>#心内膜炎#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=50878, encryptionId=a32d508e8c3, topicName=心内膜炎)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Tue Sep 13 10:48:03 CST 2022, time=2022-09-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1555352, encodeId=822c1555352af, content=<a href='/topic/show?id=f367681e434' target=_blank style='color:#2F92EE;'>#猪#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=68174, encryptionId=f367681e434, topicName=猪)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9ec214601917, createdName=muzishouyi, createdTime=Tue Sep 13 10:48:03 CST 2022, time=2022-09-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1624092, encodeId=547116240927a, content=<a href='/topic/show?id=69699666026' target=_blank style='color:#2F92EE;'>#链球菌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=96660, encryptionId=69699666026, topicName=链球菌)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=787f20641298, createdName=liuquanmn, createdTime=Tue Sep 13 10:48:03 CST 2022, time=2022-09-13, status=1, ipAttribution=)]
  3. [GetPortalCommentsPageByObjectIdResponse(id=2079206, encodeId=d4e520e920647, content=<a href='/topic/show?id=9078682059e' target=_blank style='color:#2F92EE;'>#猪链球菌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=68205, encryptionId=9078682059e, topicName=猪链球菌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=84fb152, createdName=xiongliangxl, createdTime=Fri Jun 09 21:48:03 CST 2023, time=2023-06-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1708725, encodeId=5c021e08725b6, content=<a href='/topic/show?id=4c2d3051535' target=_blank style='color:#2F92EE;'>#内膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=30515, encryptionId=4c2d3051535, topicName=内膜)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=730431558473, createdName=12498974m61暂无昵称, createdTime=Mon Nov 14 01:48:03 CST 2022, time=2022-11-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1350777, encodeId=27191350e77a2, content=<a href='/topic/show?id=a32d508e8c3' target=_blank style='color:#2F92EE;'>#心内膜炎#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=50878, encryptionId=a32d508e8c3, topicName=心内膜炎)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Tue Sep 13 10:48:03 CST 2022, time=2022-09-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1555352, encodeId=822c1555352af, content=<a href='/topic/show?id=f367681e434' target=_blank style='color:#2F92EE;'>#猪#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=68174, encryptionId=f367681e434, topicName=猪)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9ec214601917, createdName=muzishouyi, createdTime=Tue Sep 13 10:48:03 CST 2022, time=2022-09-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1624092, encodeId=547116240927a, content=<a href='/topic/show?id=69699666026' target=_blank style='color:#2F92EE;'>#链球菌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=96660, encryptionId=69699666026, topicName=链球菌)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=787f20641298, createdName=liuquanmn, createdTime=Tue Sep 13 10:48:03 CST 2022, time=2022-09-13, status=1, ipAttribution=)]
  4. [GetPortalCommentsPageByObjectIdResponse(id=2079206, encodeId=d4e520e920647, content=<a href='/topic/show?id=9078682059e' target=_blank style='color:#2F92EE;'>#猪链球菌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=68205, encryptionId=9078682059e, topicName=猪链球菌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=84fb152, createdName=xiongliangxl, createdTime=Fri Jun 09 21:48:03 CST 2023, time=2023-06-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1708725, encodeId=5c021e08725b6, content=<a href='/topic/show?id=4c2d3051535' target=_blank style='color:#2F92EE;'>#内膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=30515, encryptionId=4c2d3051535, topicName=内膜)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=730431558473, createdName=12498974m61暂无昵称, createdTime=Mon Nov 14 01:48:03 CST 2022, time=2022-11-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1350777, encodeId=27191350e77a2, content=<a href='/topic/show?id=a32d508e8c3' target=_blank style='color:#2F92EE;'>#心内膜炎#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=50878, encryptionId=a32d508e8c3, topicName=心内膜炎)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Tue Sep 13 10:48:03 CST 2022, time=2022-09-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1555352, encodeId=822c1555352af, content=<a href='/topic/show?id=f367681e434' target=_blank style='color:#2F92EE;'>#猪#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=68174, encryptionId=f367681e434, topicName=猪)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9ec214601917, createdName=muzishouyi, createdTime=Tue Sep 13 10:48:03 CST 2022, time=2022-09-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1624092, encodeId=547116240927a, content=<a href='/topic/show?id=69699666026' target=_blank style='color:#2F92EE;'>#链球菌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=96660, encryptionId=69699666026, topicName=链球菌)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=787f20641298, createdName=liuquanmn, createdTime=Tue Sep 13 10:48:03 CST 2022, time=2022-09-13, status=1, ipAttribution=)]
    2022-09-13 muzishouyi
  5. [GetPortalCommentsPageByObjectIdResponse(id=2079206, encodeId=d4e520e920647, content=<a href='/topic/show?id=9078682059e' target=_blank style='color:#2F92EE;'>#猪链球菌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=68205, encryptionId=9078682059e, topicName=猪链球菌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=84fb152, createdName=xiongliangxl, createdTime=Fri Jun 09 21:48:03 CST 2023, time=2023-06-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1708725, encodeId=5c021e08725b6, content=<a href='/topic/show?id=4c2d3051535' target=_blank style='color:#2F92EE;'>#内膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=30515, encryptionId=4c2d3051535, topicName=内膜)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=730431558473, createdName=12498974m61暂无昵称, createdTime=Mon Nov 14 01:48:03 CST 2022, time=2022-11-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1350777, encodeId=27191350e77a2, content=<a href='/topic/show?id=a32d508e8c3' target=_blank style='color:#2F92EE;'>#心内膜炎#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=50878, encryptionId=a32d508e8c3, topicName=心内膜炎)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Tue Sep 13 10:48:03 CST 2022, time=2022-09-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1555352, encodeId=822c1555352af, content=<a href='/topic/show?id=f367681e434' target=_blank style='color:#2F92EE;'>#猪#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=68174, encryptionId=f367681e434, topicName=猪)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9ec214601917, createdName=muzishouyi, createdTime=Tue Sep 13 10:48:03 CST 2022, time=2022-09-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1624092, encodeId=547116240927a, content=<a href='/topic/show?id=69699666026' target=_blank style='color:#2F92EE;'>#链球菌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=96660, encryptionId=69699666026, topicName=链球菌)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=787f20641298, createdName=liuquanmn, createdTime=Tue Sep 13 10:48:03 CST 2022, time=2022-09-13, status=1, ipAttribution=)]

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