北京中医白癜风 http://pf.39.net/bdfyy/
Title
Chronicobstructivepulmonarydiseaseprevalenceandpredictioninahigh-risklungcancerscreeningpopulation
点击音频
Background/背景
Chronicobstructivepulmonarydisease(COPD)isanunderdiagnosedconditionsharingriskfactorswithlungcancer.LungcancerscreeningmayprovideanopportunitytoimproveCOPDdiagnosis.UsingPan-CanadianEarlyDetectionofLungCancer(PanCan)studydata,thepresentstudysoughttodeterminethefollowing:1)WhatistheprevalenceofCOPDinalungcancerscreeningpopulation?2)Canamodelbasedonclinicalandscreeninglow-doseCTscandatapredictthelikelihoodofCOPD?
慢性阻塞性肺疾病(COPD)是一种与肺癌共享危险因素的被诊断不足的疾病。肺癌筛查可能提供改善COPD诊断的机会。使用Pan-Canadian肺癌早期检测(PanCan)研究数据,本研究试图确定以下内容:1)在肺癌筛查人群中,COPD的患病率是多少?2)基于临床和筛查低剂量CT扫描数据的模型能否有预测COPD的可能性?
Methods/方法
ThesinglearmPanCanstudyrecruitedcurrentorformersmokersage50–75whohadacalculatedriskoflungcancerofatleast2%over6years.Abaselinehealthquestionnaire,spirometry,andlow-doseCTscanwereperformed.CTscanswereassessedbyaradiologistforextentanddistributionofemphysema.Withspirometryasthegoldstandard,logisticregressionwasusedtoassessfactorsassociatedwithCOPD.
单臂PanCan研究收集了50-75岁的现吸烟者或前吸烟者,他们在6年内患肺癌的风险至少为2%,对他们进行了基线健康问卷,肺活量测定和低剂量CT扫描。放射科医生对CT扫描评估了肺气肿的程度和分布。以肺功能测定法为金标准,使用逻辑回归分析评估与COPD相关的因素。
Results/结果
Amongrecruitedsubjects,(45.2%)metspirometrycriteriaforCOPD,includingof(41.9%)ofthosewithnopriordiagnosis,53.8%ofwhomhadmoderateorworsedisease.Inamultivariatemodel,age,currentsmokingstatus,numberofpack-years,presenceofdyspnea,wheeze,participationinahigh-riskoccupation,andemphysemaextentonLDCTwereallstatisticallyassociatedwithCOPD,whiletheoverallmodelhadpoordiscrimination(c-statistic=0.(95%CIof0.to0.).ThelowestandthehighestriskdecileinthemodelpredictedCOPDriskof27.4%and65.3%.
在名入选受试者中,有名(45.2%)达到了COPD肺功能测定标准,包括位没有事先诊断的人中的名(41.9%),其中53.8%患有中度或更严重的疾病。在多变量模型中,LDCT上的年龄,当前吸烟状况,每包-年数,呼吸困难情况,喘息,参与高危职业和肺气肿程度均与COPD有统计学意义,而整个模型的辨别力较差(c统计=0.(95%CI为0.至0.)。该模型中最低和最高风险十分位数预测的COPD风险为27.4和65.3%。
Conclusions/结论
COPDhadahighprevalenceinalungcancerscreeningpopulation.Whileariskmodelhadpoordiscrimination,alldecilesofriskhadahighprevalenceofCOPD,andspirometrycouldbeconsideredasanadditionaltestinlungcancerscreeningprograms.
COPD在肺癌筛查人群中患病率较高。尽管风险模型的判别能力很差,但是所有风险指标都具有很高的COPD患病率,肺功能测定可以被认为是肺癌筛查程序中的另一项测试。
Literatureresource/文献来源:点击左下角阅读原文
MCC号ONB有效期-02-26,资料过期,视同作废
扫描