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1.
Previousstudiesshowedthathigh-powerHe-Nelaserirradiationnotonlyinhibitgrowth犤1犦ofculturedcellsinhypertrophicscarbutinduceapoptosis犤2犦.Theobjectiveofthisstudywastoexploreroleofhigh-powerHe-Nelaserirradiationinbodyandprovidetheexperi-mentalbaseforclinicalapplicationthroughestablishinghypertrophicscaranimalmodel.1Materialandmethod1.1Material4Japanesewhiterabbitswithlargeearwerese-lectedasexperimentalanimalswithoutregardinggender.Therabbitsweightedbetween2.0~2.5kg,mea…  相似文献   

2.
1Subjectandmethod1.1Subject1456fracturingworkersofoilfieldwererandomlyselectedassubjects.Workerssufferingfromhearinglossduetononindustrialdamagewereexcludedfromthestudy.351workerswhodidnotworkedinfracturingplantwereselectedascontrolgroup.1.2MethodUsingfinesound-levelmeterND-2correctedbyChinaAcademic,weassessfieldnoiseofenvironmentwherefrac-turingworkersworkedaccordingtoEvaluationStandardsfornoiseofIndustryandEnterprise.Self-madequestionnairewasusedforas-sessmentofp…  相似文献   

3.
1SubjectandMethods1.1SubjectFromSeptember1994toSeptember1999400pa-tientsofbreastcancerstagingfromstageItostageIIIaafterradicalormodifiedradicalmastectomyweredividedintotestandcontrolgroups.1.2Methods(1)Equipment:MultifunctionalmicrowavetreatingmachineforphysiotherapyofTianjinLY-IItypeused,withworkfre-quencyof2450MHzandcontinuousadjustablepowerbetween5~60W.S=1.29whenradiatinginthemuscletissue.(2)Allthepatientswereadministrated5-Fuof0.75…  相似文献   

4.
Theresearchisthelargesteffortonosteoporosisthathasbeenundertaken,andoneofthefewcountry-wideglobalefforts.TheresearchisespeciallyimportantwiththesuggestionthatChinesehavelowbonedensityingeneral,andtherapidagingoftheChinesepopulation犤1-2犦.1Materialsandmethods1.1SubjectsSubjectswereobtainedwithinformedconsentfrom5593HannationalityandregisteredinfiveareasofChinaincludingNorth,South-middle,East,South-westandNorth-eastbythestrati-fied-multi-steps-clustersamplingmethod…  相似文献   

5.
FromMay1997toApril2001,wereconstructedoldanteriorcruciateligament(ACL)injuryusingquadrupled-strandedsemi-tendinosustendonandsutureplateand1-yearrehabilitationexer-cise,andtherapeuticeffectwasfavorable.Hereisthereport.1Subjectandmethod1.1Subjects51patients(27malesand24femalesaged13~57years,meanage:24.7)enteredourstudy.Patientswithseverecompoundinjuriesofposteriorinnerandouterligamentswereex-cludedfromourstudy.AccordingtoLysholmkneescorescale犤1犦…  相似文献   

6.
Inrecentyears,excessivedermalhyperplasiafollowingtotalskinlossofrabbit'seariswidelyreportedbydomesticandforeignre-searchers.Histologicalstudiesshowexcessivedermalhyperplasiahascloserelationwithhypertrophicscarofhuman犤1-2犦.Characteristicsofcollagenmetabolismandmorphologicalchangeslawaboutexcessivedermalhyperplasiaremainunclear.Theinvolvedmechanismistheobjectiveofthisstudy.1Materialandmethod1.1Treatmentandcreationofwoundsinanimals8Japaneselarge-earrabbitsregardingnogenderwerei…  相似文献   

7.
Persistentinsufficientflowofcoronaryarterywillleadtohi-bernationofpartialmyocardiumfollowingmyocardialinfarctionduetocoronaryheartdisease,andthusdecreasingheartfunction,ex-ercisetolerance,andqualityoflifeduringrehabilitationphase.TMZ,theinhibitorof3-KAT,playsthecardinalroleinen-ergymetabolismofmyocardium.Inpresentstudy,weobservedim-pactofTMZonexercisetoleranceofpatientswitholdmyocardialinfarction.1Subjectsandmethod1.1Subjects58patientssufferedfromcoronaryscopyorclini-…  相似文献   

8.
VocaltubeBlom-Singerimplantationduringphaseofcompletelaryngectomycanavoiddistressassociatedwiththesecondsurgery.VocaltubeimplantationofphaseIunderbrightfieldissimplerandreliablecomparedwiththatofphaseII.1Subjectandmethod1.1SubjectFromOctober1998toOctober2001,vocalrehabili-tationbyvocaltubeBlom-SingeraftercompletelaryngectomyofphaseIwasperformedon13patients.Allpatientsweremenaged56~68yearsandsufferedfromsquamouscarcinomaprovedpathologically.1.2Method(1)Fis…  相似文献   

9.
Osteosarcomaisthemostcommonlyseentumorsinyoungadults,whichischaracterizedbypoorprognosis.Simplemorpho-logicalchangescannotbeusedtoevaluateprognosisofosteosarcomaexactly犤1犦.Inthisstudy,expressionofapoptosisrelatedgeneBcl-2andBaxinosteosarcomaof51patientswithvariousclinicalap-pearanceswasinvestigatedtoexploretherelationshipbetweenapop-tosisandprognosis.1Subjectandmethod1.1Subject51patientsunderwentsimilartreatmentofosteosar-comaduring1986~1988weredividedinto2grou…  相似文献   

10.
Inthisstudy,etiologyofepilepsywasanalyzedusingmulti-variatenonconditionlogisticanalysistoprovidebasisforpreventionandrehabilitationofepilepsy.1Subjectandmethod1.1SubjectDuringNovember1987~May1996,1626sub-jectsunderwentfirstonsetofcerebrovasculardiseasewerere-cruitedfromintraneuralDepartment.179patientsexperiencedepilepsysecondarytostroke.AllprimarylesionswereprovedbyCTorlumbarspinepuncture.Nopatientshadhistoryofepilep-sy.Rheoencephalogramshowedepilepticchanges…  相似文献   

11.
目的探讨血液滤过(hemofiltration,HF)对重症中暑休克犬内皮素(endothelin,ET)和一氧化氮(nitricoxide,NO)的影响。方法 16只健康雄性杂种犬,随机分为中暑对照组(HS组)和血液滤过组(HF组)各8只。采用整体高温来诱导犬重症中暑休克,模型成功后立即出舱,HS组置于常温下观察,HF组立即行HF治疗,观察两组犬各时间点血浆ET和血清NO含量及NO/ET值的变化。结果两组犬中暑前ET和NO含量及NO/ET值比较无统计学差异(P>0.05)。中暑休克时ET和NO含量及NO/ET值较中暑前明显升高(P<0.01),且两组之间比较无统计学差异(P>0.05)。休克后1h:HS组ET值上升,HF组ET值下降,与休克时比较均无统计学意义(P>0.05),但HF组ET明显低于HS组(P<0.05);HS组NO值升高,但无统计学意义,HF组NO值下降,低于休克时(P<0.05),HF组NO明显低于HS组(P<0.01);HS组NO/ET值略降低,HF组NO/ET值亦下降,但均无统计学意义(P>0.05),两组之间NO/ET比较亦无统计学意义(P>0.05);休克后2h和3h:HS组ET值继续上升明显高于休克时(P<0.01),HF组ET值逐渐下降明显低于休克时(P<0.01),HF组ET值明显低于HS组(P<0.01);HS组NO值继续上升,但与休克时比较无统计学意义(P>0.05),HF组NO逐渐下降,明显低于休克时(P<0.01),HF组NO明显低于HS组(P<0.01);HS组NO/ET略低于休克时,但无统计学意义(P>0.05),HF组NO/ET值明显低于休克时(P<0.01),HF组NO/ET值明显低于HS组(P<0.01)。结论重症中暑休克犬会出现血浆ET和血清NO的升高及NO/ET值的失调,HF可清除血中异常升高的ET和NO,并恢复NO/ET值,而清除NO和ET可能是HF治疗重症中暑时稳定其血压和改善微循环灌注的重要机制之一。  相似文献   

12.
目的 研究局部亚低温治疗急性重症脑出血患者临床疗效及其对血管活性物质NO、ET、神经肽AVP及自由基的影响。方法 随机将 78例脑出血患者分为局部亚低温组 38例和常规治疗组 (对照组 ) 4 0例 ,治疗组在药物综合治疗基础上加用局部亚低温治疗 ,对照组为单纯药物综合治疗 ,动态观察两组血浆NO、ET、AVP、MDA的变化及治疗 2 1d脑水肿带的变化和治疗 30d后临床神经功能评分。结果 治疗 15d ,局部亚低温组ET、AVP较对照组明显下降 (P <0 0 1) ,NO含量较对照组明显升高 (P <0 0 5 ) ,血浆MDA与健康对照组比较明显下降 (P <0 0 5 ) ;治疗 2 1d ,局部亚低温组脑水肿体积较对照组明显减小 (P <0 0 5 ) ;治疗 30d后局部亚低温组临床神经功能评分明显低于对照组 (P <0 0 1)。结论 局部亚低温治疗能明显抑制血管活性物质ET、AVP、MDA的过高分泌 ,调节NO分泌的减少 ,减轻脑出血患者脑水肿 ,促进患者神经功能恢复 ,提高临床疗效。  相似文献   

13.
Objective To study the effect of sub-hypothermia on hypertension cerebral hemorrhage and content of serum endothelin (ET). Method 87 hypertension cerebral hemorrhage cases were divided into subhypothermia group and control group randomly, patients in subhypothermia group received subhypothermia therapy in NICU 6 hours after operation or hospitalization. We tested serum ET content with specific radioimmunoassay method 24 hours, 72 hours and 3 weeks after therapy, and compared them with control group. Result ET content of two groups increased apparently after 24 hours, ET of subhypothermia group was lower than that of control group(P&;lt;0.01); it recovered 3 weeks after therapy. Conclustion Subhypothermia techniques can apparently improve prognosis of hypertension cerebral hemorrhage patients, serum ET level may be one important index to evaluate severity of hypertension cerebral hemorrhage.  相似文献   

14.
Endothelin(ET)isthestrongestvasoconstrictivepeptide,whichisfoundbyJapanesescholarin1988,itsrelationshipwithcere-brovasculardiseasehasbeenpaidgreatattention.Thisarticleaimstoresearcheffectofsubhypothermiaonhypertensioncerebralhemor-rhageandcontentchangeofET.1Subjectandmethod1.1Subject87casesfromAugust1996toAugust2000wereconfirmedbycerebralCT,whoaccompaniedwithhypertensionhis-toryfor8~10years,including60malesand27females,aged28~76averageage50.3…  相似文献   

15.
目的 观察阿托伐他汀对急性脑梗死(ACI)患者血清内脂素、超敏C反应蛋白(hs-CRP)及一氧化氮(NO)水平的影响.方法 选取ACI患者70例,随机分为观察组33例和对照组37例,观察组在对照组常规治疗基础上加用阿托伐他汀.观察2组总有效率、卒中量表评分以及血清内脂素、HS-CRP及NO水平变化.结果 观察组总有效率为90.91%,显著高于对照组的72.22%;治疗后2组卒中量表评分、血清内脂素、hs-CRP均较治疗前显著下降(P<0.01),且观察组显著低于对照组(P<0.01);NO水平较治疗前显著升高(P<0.01),且观察组显著高于对照组(P<0.01).结论 常规治疗联合阿托伐他汀治疗ACI,可有效降低血清内脂素、hs-CRP水平,升高NO水平.  相似文献   

16.
前列地尔对血管内皮保护作用的实验研究   总被引:6,自引:0,他引:6  
目的:观察前列地尔(PGE1)短期干预对高脂饮食兔动脉粥样硬化(AS)及血管内皮功能的影响.方法:日本大耳白兔24只随机分为空白对照组、高脂对照组、氟伐他汀组、前列地尔组.于实验第8、12周测定一氧化氮(NO)与内皮素(ET),并对主动脉进行组织形态学观察.结果:氟伐他汀及前列地尔干预4周后,与高脂对照组比较,NO明显升高(P〈0.01),ET明显下降(P〈0.01),而两组之间无明显差异(P〉0.05).结论:前列地尔通过升高血清NO、降低ET抑制AS斑块形成.  相似文献   

17.
目的 评价“改良方案”治疗急性毒鼠强中毒的临床疗效。方法 ①对48例确诊的急性毒鼠强中毒患者,分别在入院后即刻及中毒后1、3、5、7、9、11、13、15、17和19d抽取静脉血2ml,测定β-内啡肽(β-EP)、内皮素(ET)、一氧化氮(NO)与肿瘤坏死因子(TNF);以30名健康献血者(乙对照组)为对照。②观察组采用“改良方案”治疗,并与36例既往采用“传统方案”治疗者(甲对照组)进行比较。结果 ①48例“改良方案”治疗者中45例治愈,3例死亡。②45例治愈者中,轻、中、重3组患者的β-EP、ET、NO和TNF均于入院后即刻显著升高,于中毒后1d达高峰,随后缓慢下降。轻、中、重3组β-EP恢复正常时间分别为中毒后9、13和17d;ET恢复正常时间分别为中毒后7、13和15d;NO恢复正常时间分别为中毒后7、11和11d;TNF恢复正常时间分别为中毒后9、11和17d。③3例死亡者β-EP、ET、NO和TNF在入院后即刻均显著升高,在治疗过程中继续升高。④观察组重度中毒者治愈率(84.2%)比甲对照组(41.7%)有显著提高(P〈0.01),观察组中轻、中、重各组的安定和苯巴比妥用量、止惊时间均比甲对照组中各对应组显著减少(P均〈0.01)。结论 ①血清β-EP、ET、NO和TNF水平与急性毒鼠强中毒程度及病情转归相关。②血清β-EP、ET、NO和TNF水平在治疗过程中稳定下降提示预后良好,持续升高提示预后不良。③采取相应措施降低β-EP、ET、NO和TNF水平可改善毒鼠强的预后。④“改良方案”可作为急性毒鼠强中毒治疗的一种较为理想方案。  相似文献   

18.
目的 研究血清一氧化氮(NO)、半乳激素-9(Gal-9)水平检测在子宫内膜癌诊断和预后评估中的价值.方法 选取2017年1月至2019年1月该院收治的108例子宫内膜癌患者作为实验组,并收集同期104例子宫肌瘤患者作为对照组,对实验组患者展开为期2年的随访,将随访期间出现死亡、复发、转移情况患者列入预后较差组(25例...  相似文献   

19.
目的 观察急性缺血性卒中(AIS)患者血清超氧化物歧化酶(SOD)、一氧化氮(NO)和丙二醛(MDA)动态变化情况,探讨氧化应激与卒中后焦虑症的关系。方法 选择2016年1月~2018年6月在宝鸡市康复医院精神科治疗的116例AIS患者作为卒中组,根据卒中发病第14天时汉密尔顿焦虑量表(HAMA)评分结果将卒中组分为焦虑组和非焦虑组,另选择80例健康体检者作为对照组。分别于入院时、卒中发病第3天、第7天和第14天检测血清SOD,NO和MDA水平。比较不同时间点各组血清SOD,NO和MDA水平,并采用ROC曲线分析评价各指标对于AIS患者发生卒中焦虑症的预测价值。结果 卒中组血清SOD水平在入院时、卒中发病第3天和第7天时较对照组均显著降低(t=3.943~19.644,均P<0.01),血清NO和MDA水平在入院时和发病第3天时较对照组均明显升高(t=8.882~18.749,均P<0.01)。焦虑组血清SOD水平在入院时和卒中发病第3天时较非焦虑组显著降低(t=5.150,5.799,均P<0.01),血清NO和MDA在卒中发病第3天时较非焦虑组明显升高(t=2.398,2.749,均P<0.05)。ROC曲线分析结果显示:卒中发病第3天血清SOD,NO和MDA预测AIS患者发生焦虑症的曲线下面积(AUC)分别为0.806,0.547和0.606,SOD的cut-off值为60.84 U/ml,对应敏感度和特异度分别为71.4%和79.7%,NO和MDA无显著性预测价值(均P>0.05)。结论 氧化应激可能参与缺血性卒中后焦虑症的发病机制。  相似文献   

20.
目的研究重组组织型纤溶酶原激活剂对缺血性脑卒中患者血清乳酸脱氢酶(LDH)、一氧化氮(NO)、丙二醛(MDA)、超氧化物歧化酶(SOD)的影响。方法选取2012年3月至2018年8月来该院治疗的86例缺血性脑卒中患者为研究对象,将其分为对照组和治疗组,每组43例,治疗组采用重组组织型纤溶酶原激活剂结合阿司匹林治疗,对照组采用阿司匹林治疗。比较治疗后2组患者的临床疗效,检测血清LDH、NO、MDA、SOD水平。结果治疗组总有效率(90.70%)高于对照组(62.80%),LDH、NO、MDA水平低于对照组,SOD水平高于对照组,差异有统计学意义(P<0.05)。治疗后,治疗组基本痊愈、显效及有效患者的血清LDH、NO及MDA水平低于对照组,SOD水平高于对照组,差异有统计学意义(P<0.05)。随着临床疗效的逐渐增强,患者血清中LDH、NO、MDA水平降低,SOD水平升高,且差异有统计学意义(P<0.05)。结论重组组织型纤溶酶原激活剂对缺血性脑卒中患者有显著的临床治疗效果。  相似文献   

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