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心率变异性在尘肺病患者中的临床应用研究进展.docx

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主坐董垫里生墼些痘盘查!垒!兰堡!Q旦笙!!鲞箜竺塑曼生!!!!皇羔理Q!!望旦i!:Q!!!!竺兰Q!兰:∑型:丝:堕!:!Q795『421WefersH,MelnikBC,FlurM,eta1.InfluenceofUVirradiationonbiochemicaIbasisfortheUVB—inducedalterationsinepidermalthecompositionofhumanstratumcorneumlipids【J1.JInvestbarrierfunctionfJl.PhotodemmtolPhotoimmunolPhotomed,1997,Dermatol,1991,96:959—962.13:117.128.[43]MuthusamyV,PivaTJ.TheUVresponseoftheskin:areviewofthe[48】JiangSJ,ChenJY,LuZF,eta1.BiophysicalandmorphologicalMAPK,NFkappaBandTNFalphasignaltransductionpathways[J].changesinthestratumcomeumlipidsinduee(1byUVBirradiationArchDermatolRes,2010,302:5—17..JDermatolSet,2006,44:29—36.(44]BakH,HongSP,JeongSK,eta1.Alteredepidermallipidlayers[49】HolleranWM,ManMQ,GaoWN,eta1.Sphingolipidsarerequiredinducedbylong-termexposuretosuberythemal—doseultraviolet[J].formammalianepidermalbarrierfunction.InhibitionofIntjDermatol,2011,50:832—837.spbingolipidsynthesisdelaysbarrierrecoveryafteracute[45】JungerstedJM,HellgrenLI,JemecGB,eta1.Lipidsandskinbarrierperturbation[J].JClinInvest,199l,88:1338一1345.function—aclinicalperspective[J】.ContactDermatitis,2008,58:[50】SterenborgltJ,deGruijlFR,KelfkensG,eta1.Evaluationofskin255.262.cancerriskresultingfromlongtermoccupationalexposureto[46]TakagiY,NakagawaH,KondoH,eta1.Decreasedlevelsofradiationfromultravioletlasersintherangefrom190to400nm[J].eovalentlyboundceramideareassociatedwithultravioletB-inducedPhotoehemPhotobi01.1991.54:775—780.perturbationoftheskinbarder【11.jInvestDermatol,2004,123:1102一l109.(收稿日期:2013—10—15)『471HolleranWM,UchidaY,Halkier-SorensenL,eta1.Strueturaland(本文编辑:何雅晖)心率变异性在尘肺病患者中的临床应用研究进展傅春枝李智民心率变异性(heartratevariability,HRV)是指逐次心跳间频谱中甚低频及低频相关。其正常值是(81±24)mS,报告的期之间的微小变异。HRV发生基础是心脏自主神经对心率异常分界点为20ms。的调节作用。在生理状态下,窦房结受交感神经和迷走神经4.rMSSD:正常相邻心动周期差值的均方的平方根。反双重支配,且迷走神经占优势;交感神经兴奋使心率加快,迷映HRV中快速变化,与频谱中的高频成分相关,为评估迷走走神经兴奋使心率减慢。研究表明,HRV信号蕴含着心血管神经功能敏感的指标,迷走神经张力降低时其值降低。报告系统自主神经调节的重要信息,对这些信息的提取与分析,中的异常分界点为15mS。可定量评估自主神经活动的紧张陛,均衡性及其对心血管功5.PNN50:相邻RR间期差值超过50ms的心搏数占总能的影响,借以反映心脏自主神经的功能状态[I-21。HRV下降心搏数的百分比。反映心动周期的逐搏变异,是HRV的高频提示迷走神经张
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