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Telemetric Evaluation of Body Temperature and Physical Activity as Predictors of Mortality in a Murine Model of Staphylococcal Enterotoxic Shock

机译:遥测评估体温和体育活动作为死亡率的葡萄球菌肠毒性休克小鼠模型中的死亡率。

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BackgroundandPurpose:Hypothermiaanddeathareusedasexperimentalmarkersinmurinemodelsofstaphylococcalenterotoxicshock.Thisstudydeterminedwhetherbodytemperatureandphysicalactivity,monitoredtelemetrically,couldpredictimpendingdeathandprovideanearlier,morehumaneexperimentalendpoint.brxmlns="http://pub2web.metastore.ingenta.coms/"/brMethods:Thestudyconsistedoftwoiterations(experiments1and2)todeterminereproducibilityofthemodel.Eachexperimentconsistedof24BALB/cmicesurgicallyimplantedwithintra-abdominaltelemetrytransmittersandtheninjectedintraperitoneallywithsublethalorlethaldosesofstaphylococcalenterotoxinB(SEB)and/orlipopolysaccharide(LPS).Corebodytemperatureandphysicalactivitywerecontinuouslymonitoredinallmicefor10daysbefore,and5daysafter,injections.Additionally,inexperiment2,subcutaneoustemperatureswerecomparedwithcorebodytemperaturesobtainedbytelemetry.brxmlns="http://pub2web.metastore.ingenta.coms/"/brResults:BodytemperatureandphysicalactivitywerereducedinmiceafteradministrationofSEBandLPS,orLPSalone,butnotSEBonly.Therewasasignificant(P0.05)correlationbetweenmortalityandbodytemperature(P=0.0077),butnotphysicalactivity(P=0.97).brxmlns="http://pub2web.metastore.ingenta.coms/"/brConclusion:Bodytemperatureprovedtobeanearlyindicatorofmortalityinthismurinemodelofstaphylococcalenterotoxicshock.
机译:BackgroundandPurpose:Hypothermiaanddeathareusedasexperimentalmarkersinmurinemodelsofstaphylococcalenterotoxicshock.Thisstudydeterminedwhetherbodytemperatureandphysicalactivity,monitoredtelemetrically,couldpredictimpendingdeathandprovideanearlier,morehumaneexperimentalendpoint 方法:Thestudyconsistedoftwoiterations(experiments1and2)todeterminereproducibilityofthemodel.Eachexperimentconsistedof24BALB / cmicesurgicallyimplantedwithintra-abdominaltelemetrytransmittersandtheninjectedintraperitoneallywithsublethalorlethaldosesofstaphylococcalenterotoxinB( SEB)和/或脂多糖(LPS)。在注射前10天和注射后5天连续监测小鼠体内的温度和物理活性。另外,在实验2中,皮下温度与获得的字节体温的核心体温进行了比较。 nofSEBandLPS或LPSalone,但不是仅SEB。死亡率与体温之间存在显着的(P <0.05)相关性(P = 0.0077),但物理活动性不相关(P = 0.97)。 结论:在这种葡萄球菌性肠毒性休克小鼠模型中,体温被证明可以早期显示出死亡率。

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