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《血清降钙素原在社区获得性肺炎诊断与病情评估中的价值.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、热带医学杂志2014年6月第14卷第6期JTmpMed,Jun.2014,Vo1.14,No.6·临床研究论著·血清降钙素原在社区获得性肺炎诊断与病情评估中的价值区秀燕,袁小玲,郭伟洪(广东省中山市人民医院呼吸内科,广东中山528400)摘要:目的探讨血清降钙素原(PCT)在社区获得性肺炎(CAP)诊断与病情评估中的I临床价值。方法选取社区获得性肺炎患者120例,并根据肺炎严重指数(PSI)分为高危、中危和低危组,另选取20名健康者为对照组,并检测两组研究对象的血清C.反应蛋白(CRP)水平,分析PCT对诊断CAP的敏感性、特异性及与病情严重程度的关系。结果CAP肺炎患者
2、血清PCT和CRP水平均明显高于正常对照组(P<0.05),不同程度肺炎患者血清中PCT差异有统计学意义(P<0.05),且随着病情严重程度的增加而增加。当以1.5ng/ml为临界点时,PCT诊断CAP的敏感性和特异性分别为93.7%和84.6%,ROC曲线下面积为0.912(95%可信区间:0.814—0.962),ROC曲线下面积明显大于CRP(O.826,95%可信区间:0.721—0.895)。结论血清降钙素原诊断社区获得性肺炎具有较好的特异性和灵敏性,且可反应病情严重程度,对指导临床诊断、治疗和评估病情具有重要意义。关键词:社区获得性肺炎:降钙素原;严重程度中图
3、分类号:R563.19文献标识码:A文章编号:1672.3619(2014)06.0802。03Diagnosissignificanceandusefulnessofplasmaprocalcitoninincommunity—acquiredpneumoniaOUXiu-yan,YUANXiao-ling,GUOWei—hong(ThePeople'sHospitalofZhongshan,Guangdong,Zhongshan528400,China)Abstract:ObjectiveToinvestigatethediagnosissignificanceand
4、usefulnessofplasmaprocalcitonin(PCT)incommunity—acquiredpneumonia(CAP)andestimateofseverity.MethodsAtotalof120patientswithCAPwereenrolledinthisstudy,and20healthyindividualswereservedasthecontrols.CAPpatientsweredividedintothreeCAPgroupsaccordingtodiferentseverityassessmentcriteria.Thevari
5、anceofPCTandC—reactiveprotein(CRP)levelsweredetectedandanalyzed.ResultsThemeanprocalcitoninandCRPlevelsweresignificantlyincreasedinCAPpatientsthaninhealthycontrols(P<0.05),andtherewerestatisticallysignificantdiferencesamongthediferencedegreeofseverityofthedisease(P6、valueofPCTwasdefinedas1.5ng/ml,thesensitivityandspecificitywere93.7%and86.4%,respectively.Theareaunderreceiveroperatingcharacteristic(ROC)curveofPCTwas0.912(95%confidenceinterval:0.814-0.962),whichwashigherthanthoseofCRP[0.826(95%CI:0.721—0.895)].ConclusionsPlasmaPCTleveliscorrelatedwitht7、heseverityofCAP.DynamictofPCTmaybehelpfultoevaluateconditionofCAPpatientsKeywords:community-acquiredpneumonia;procalcitonin;severity近年来。社区获得性肺炎(community.acquired不多[。本文将探讨血清降钙素原(procalcitionin,PCT)pneumonia,CAP)的发病率和病死率明显升高.门诊在CAP诊断与病情评估中的临床价值。病死率为1%~5%,住院病死率为6%一12%
6、valueofPCTwasdefinedas1.5ng/ml,thesensitivityandspecificitywere93.7%and86.4%,respectively.Theareaunderreceiveroperatingcharacteristic(ROC)curveofPCTwas0.912(95%confidenceinterval:0.814-0.962),whichwashigherthanthoseofCRP[0.826(95%CI:0.721—0.895)].ConclusionsPlasmaPCTleveliscorrelatedwitht
7、heseverityofCAP.DynamictofPCTmaybehelpfultoevaluateconditionofCAPpatientsKeywords:community-acquiredpneumonia;procalcitonin;severity近年来。社区获得性肺炎(community.acquired不多[。本文将探讨血清降钙素原(procalcitionin,PCT)pneumonia,CAP)的发病率和病死率明显升高.门诊在CAP诊断与病情评估中的临床价值。病死率为1%~5%,住院病死率为6%一12%
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