骆文志肺炎评分系统介绍

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,11/7/2009,#,单击此处编辑母版标题样式,1,*,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,肺炎评分系统的应用,暨南大学附属第一医院,呼吸科骆文志,主要内容,目前肺炎诊治现状,各种评分系统介绍,文献回顾和meta分析,总结,1.由于社会人口老龄化、罹患慢性,病人群增加,、,免疫损害宿主增加,、,病原体变,迁和抗生素耐药率上升,CAP成为威胁人群健康的重要疾病之一,病死率高,治疗,费用昂贵,值得深入研究,。,2.,在美国每年约有,C,AP患者300万一560万例,住院患者超过100万例次,平均病,-15.,8,直接医疗费用84亿一97亿美元,而重症监护病房(I,CU,)的重症,C,AP患者死亡率高达,50%,。,目前现状,3.在中国,CAP死亡,原因中排在,第五位,带来极大的经济负担,。在中国,患者和医,生可能对肺炎的严重程度,过分高估,导致不必要的或过长的住院治疗,带来极大,的医疗资源和经济的浪费。,4.,研究发现不同国家,和,地区,，,肺炎的住院率,、,住院时间,、,诊治措施及死亡率存,在很大的,差异,医生在决定患者是否住院治疗及采用何种治疗措施时存在很大的,主观性,。,普遍存在高估,病人的严重程度而导致不必要的住院治疗及过度医疗现,象,浪费医疗资源,。,目前现状,5.PSI、CURB-65评分在西方国家已经通过大样本的回顾性分析,被认为是有效,的,能够准确地对CAP患者进行,危险分层,帮助临床医生做出,临床决策,。,严重度评分,可以规范医生行为,减少医疗行为的随意,性,按最佳方式开展诊治工作,提高医院的医疗水平,识别和清除过度的医疗行为,减少资源浪费,降低医疗费用,提高医疗工作效率,降低平均住院日及死亡率,。,目前现状,HOW? WHEN? WHERE? WHAT?,主要内容,目前肺炎诊治现状,各种评分系统介绍,文献回顾和meta分析,总结,肺炎评分发展史,1987年BTS（英国）1997年PORT评分（美国 ） CURB评分（英国） 2003年CURB-65评分（英国） 2009年SMATR-COP评分（澳大利亚）,CURB评分,：,Confusion,、,Uremia,、,Respiratory rate,、,舒张压60mmHg,BTS标准：,Uremia尿素氮7mmol/l,、,Respiratory rate30次/分,、,舒张压60mmHg,PORT评分：Fine分,层（略）,CURB-65评分 ：,Confusion,、,Uremia7mmol/l,、,R30次/分,、,收缩压90mmHg,或,舒张压38C or 90 beats/min,3 、RR20 breaths/min or,PaCO212000/,L or 10%,immature forms,脓毒症休克,非特异性损伤引起的临,床反应,满足,2,条标准,SIRS = systemic inflammatory response syndrome,SIRS,及可疑或,明确的感染,Chest 1992;101:1644.,全身性感染,伴器官衰竭,顽固性低血压,SIRS,Sepsis,Severe Sepsis,Septic Shock,重 症 肺 炎,1993年ATS,2001年,ATS,修订,2007年,I,DSA/ATS,存在,以下,任何一项指标,：,R30次/分,Pa0,2,/FIO,2,250,双肺/多,叶肺炎,SBP,90m,mHg，,DBP,6,0m,mHg,需要机械通气,在48h内肺部浸润50%,脓毒,症,休克或需要血管活,性药物支持,4h,急性肾衰竭,。,（,敏感性极高,特异性很低,）,符合一个以上主要指标,主要指标:,需要机械通气;,脓毒症休克;,在48h内肺部浸润扩大50%;,急性肾功能衰竭。,或者两个以上次要指标：,R30次/分;,Pa0,2,/FIO,2,250;,双肺或多肺叶肺炎;,SBP,90m,mHg；,DBP,6,0m,mHg。,具备1项主要指标：,气管插管需机,械通气,脓毒症休克需要血管活性药物,。,或者至少3项次要指标,：,T,36,R,30次/分,低血压需要积极的液体复苏,多肺叶浸润,意识障碍和/或定向障碍,U,7mml/L,WBC,4000个/mm,3,PLT100,000/mm,3,Pa0,2,/FIO,2,250,。,中国社区获得性肺炎诊断和治疗指南,主要内容,目前肺炎诊治现状,各种评分系统介绍,文献回顾和meta分析,总结,文章1.,Risk Prediction Models for Mortality in Community-Acquired,Pneumonia: A Systematic Review,（1）数据来源：,1.,MEDLINE results: 768,potential abstracts,2.,EMBASE results: 879,potential abstracts,3.,Cochrane library results:300 potential abstract,（2）,剔除：,75 articles were excluded because,they were not,:,1) derivation studies,;,2) initial validation studies,（3）,纳入：,18 articles were included in review which,evaluated 20 pneumonia scores,Search results and study selection.,共纳入19篇文章,Frequency of,variables used in prognostic or severity scores in community-acquired pneumonia.,年龄-性别-免疫抑制-肾病-脉搏-血压-呼吸-体温-休克-神智-尿素氮-白细胞-氧合指数-HCT-钠-ph-胸水-多肺叶炎症-机械通气,结果1：,Balanced accuracy and area under ROC of pneumonia severity scores versus number of variables.,结果2：Sensitivity and specificity of pneumonia severity scores by a number of variables.,结论,1.不考虑各种肺炎评分系统的复杂性和纳入因子的多少，在平衡精确性,和AUC方面，各评分系统表现相似。,2.虽然有众多肺炎危险预测模型，但只有一些模型经得起正确的评价；,并没有明确证据表明其他新采用的评分系统优于临床采用已久的,CURB-65和PSI系统。,3.仍需要高质量的随机对照研究以更准确地评价其临床价值。,文章2：,Prediction of severe community-acquiredpneumonia: a systematic review and meta-analysis,分析，评估预测入住ICU和强化治疗的价值。,2.数据来源：searched Medline, Embase, and the,Cochrane Controlled Trials registry for clinical trials。,Components of the main severity scores,机械通气-休克-年龄-性别-共病-神智-心率-血压-呼吸-体温-氧合指数-ph-多肺叶渗出-HCT-钠-高血糖-Urea-ALB-中性粒- 血小板,Operative characteristics of the principal scores to predict ICU admission at their usual cut-off (95% CI),SROC curve and area under the curve (AUC) of Pneumonia Severity Index (PSI) and CURB-65 to predict ICU admission,Individual studies are represented by a number indicating the cut-off used. Their place on the diagram represents the sensitivity and specificity,of the individual study. Diamonds represent meta-analytic test statistics for each cut-off.,Pooled discriminative performance of the principal,scores for severe CAP compared with Pneumonia Severity,Index (PSI) and CURB-65 ROC curve.,Conclusions,1.,New severity scores for predicting the need for ICU or,intensive treatment in patients with CAP, such,as ATS/IDSA,2007 minor criteria, SCAP score, and SMART-COP,h,ave,better discriminative performances compared,with PSI and,CURB-65.,2.,High negative predictive value is the most consistent finding,among the different prediction,rules.,3.,These rules should be considered an aid to clinical judgment,to guide ICU admission in CAP patients.,不同肺炎严重度评分系统在社区获得性肺炎病人管理中的应用,浙江大学2009年,文章:3：,CRP, PCT, CPIS AND PNEUMONIA SEVERITY SCORES IN NURSING HOME,ACQUIRED PNEUMONIA,1.目的：评价,CRP, PCT, CPIS,（临床肺部感染评分）,和各种肺炎严重性评分,（CURB-65, PSI,NHAP index, SMART-COP, SOAR)在预测（诊断）护理院,居住者获得性肺炎的能力。,2.方法：采用观察性研究，因急性呼吸系统疾病住院的护理院居住者被纳入。,A组：护理院获得性肺炎,B组：其他肺部疾病。收集,CPIS,（临床肺部感染评分）和肺炎评分,系统的临床、影像学、实验室数据，并检测,CRP,和,PCT,浓度。,结果1：,结果2：,At cut-off value of 0.475ng/ml, PCT had sensitivity 83% and,specificity 72%.,At cut-off value of,8.05mg/dl, CRP had sensitivity 81% and,specificity 79%.,The inpatient mortality was 17.2% in group A.,结果3：,PCT and,CURB,-,65 were significantly greater among non-survivors (,p,0.001 and,p,= 0.034 respectively).,0,.860.9ng/ml in survivors (,p,0.001).,Area under the curve,(AUC) for PCT in predicting inpatient,m,ortality was 0.84(95%CI 0.70-0.98,p,=0.001).,A PCT,（,A survival analysis, using Kaplan-Meier,curves and the log-rank test,）,AUC:,in predicting inpatient mortality,Conclusion:,The CPIS, PCT and CRP are reliable for the diagnosis,of NHAP. PCT and CURB-65 were accurate in,p,redicting,inpatient mortality in NHAP.,文章4：,Predictive Values of Semi-Quantitative Procalcitonin Test and Common Biomarkers for,the Clinical Outcomes of Community-Acquired Pneumonia,1.回顾性分析，纳入2010年8月-2012年10月因CAP住院，,且检测了半定量PCT的患者，共213例。,2.收集人口背景学特征、实验室生物标记物、微生物学检验,结果，并计算PSI, CURB-65, 和 A-DROP评分值。,3.观察终点：住院28天死亡率、入住ICU率。,结果,1.213例患者被纳入，20例死亡，32例入住ICU。,2.Mortality did not differ significantly among subjects with different semi-quantitative serum PCT levels; however, subjects with serum PCT levels 10.0 ng/mL were more likely to require intensive care than those with lower levels (p 0.001)。,3.PCT水平有一定的预示致病菌作用，特别是肺炎链球菌。,Distribution of subjects with different semi-quantitative serum procalcitonin levels. (A) Relation with,mortality. Significant differences were not observed between any 2 concentration groups. (B) Relation with,the requirement for intensive care. Subjects with serum procalcitonin levels 10.0 ng/mL were significantly,more likely to require intensive care than those with levels 10.0 ng/mL (p 0.001).,Analysis of the receiver-operating characteristics curves. (A) For predicting mortality. The area under the,curve values were 0.86 for the PSI class, 0.81 for the B/A ratio, 0.80 for the CURB-65, and 0.57 for the,semi-quantitative PCT test. (B) For predicting the requirement for intensive care. The area under the curve,values were 0.87 for the PSI class, 0.86 for the CURB-65, 0.85 for the B/A ratio, and 0.72 for the semiquantitative,PCT test. PSI: pneumonia severity index; B/A ratio: blood urea nitrogen to serum albumin ratio;PCT: procalcitonin.,Conclusion,1.,The semi-quantitative serum PCT level on,admission,was less predictive of mortality from,CAP as,compared to the B/A ratio.,he subjects with serum PCT,levels 10.0 ng/mL,were more likely to require intensive care than those,with lower levels.,文章5：,Usefulness of CURB-65 and pneumonia severity index for influenza A H1N1,v,pneumonia.,CONCLUSIONS: Use of CURB-65 and PSI in the,emergency department may,underestimate,the risk,of patients with Influenza A H1N1v pneumonia.,Based in our results, the ability of these scales to,predict ICU admissions for Influenza A H1N1v pneumonia is,questioned,.,Monaldi Arch Chest Dis.,2012 Sep-Dec;77(3-4):118-21,.,文章6：,Severity of Influenza,A 2009 (H1N1) Pneumonia Is,Underestimated,by Routine,Prediction Rules.,Very recently the,Influenza A(H1N1) pandemic in 2009,provided the opportunity,to check the lowest predictive,value,and usefulness of,the different scores in patients with viral,pneumonia.,Bjarnason A, Thorleifsdottir G, Lve A, Gudnason JF,Asgeirsson H, Hallgrimsson KL, et al.,Results from a Prospective. Population,Based Study PL,O,S ONE Public Library of Science.,2012;7:e46816EP,文章7：医生因素不可忽视！,1.,A,survey conducted in Australia found that,only 12% of respiratory,physicians and 35% of emergency physicians,reported,using the PSI,always or frequently even though it is recommended,by the,AustralasianTherapeutic Guidelines,。,2.,the majority of physicians,were unable,to accurately approximate,the PSI scores and,calculations of the simpler CURB-65 were more,accurate,。,D. J. Serisier, S.Williams, and S.D.Bowler, “Australasian respiratory,and emergency physicians do not use the pneumonia,severity index in community-acquired pneumonia,”,Respirology,vol. 18, no. 2, pp. 291296, 2013.,文章8：,PSI, CURB-65, SMART-COP or SCAP? And the winner is. SMART,DOCTORS,！,葡萄牙肺科杂志社论,Rev Port Pneumol. 2013;19(6):243-244,主要内容,目前肺炎诊治现状,各种评分系统介绍,文献回顾和meta分析,总结,总 结,PSI,CURB-65,SMATR-COP,总 结,1.CURB-65和CRB-65、CURB评分操作简单,容易掌握,适,合在门急诊或社区,就诊患者的评估;,2.,中国标准和PORT评分均是很好的风险预测指标,但操作较复杂,涉及相关危,险因素较多,计算分值较繁琐,不便于在门急诊及社区开展;且不适用于死亡和人,住ICU的预测,比较适用于需要住院的非SCAP患者评估;,总 结,3.,SMATR,-,COP评分、S,epsis,评分、IDSA/ATS标准可能更适用于,SCAP患者的评估。,4.PCT检测对死亡率、入住ICU率有预测意义。,5.,SMART,DOCTORS,不可忽视。有意识去采用、可以熟练运用,最恰当的评分系统，高危患者收入住ICU和强化治疗。,