ω-3鱼油脂肪酸有助心肌梗死发作后的康复
ω-3鱼油脂肪酸有助心肌梗死发作后的康复
年8月2日,美国心脏学会官方期刊《循环》医院、南达科他大学桑福德医学院、麻省总医院(医院)、贝斯以色列女执事医疗中心、弗吉尼亚州健康诊断实验室、南达科他州Ω定量分析的OMEGA-REMODEL随机临床研究报告,发现给予心脏病发作患者每天一次高剂量ω-3鱼油脂肪酸半年,可改良心脏功能、减少未梗死心肌纤维化构成。
该研究为多中心、双盲、安慰剂对比实验,每天服用ω-3脂肪酸4g连续6个月的例患者与服用安慰剂的例患者相比,左室收缩末期容积指数(心脏病发作后患者结局预测指标)减少5.8%(P=0.),非受损心肌结缔组织(纤维化)构成减少5.6%(P=0.)。而且可见炎症生物标志物水平下降,表明ω-3鱼油脂肪酸具有抗炎作用。
因此,ω-3鱼油脂肪酸可使心脏更好收缩,同时减少未梗死区域纤维化。
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EffectofOmega-3AcidEthylEstersonLeftVentricularRemodelingAfterAcuteMyocardialInfarction:TheOMEGA-REMODELRandomizedClinicalTrial.
HeydariB,AbdullahS,PottalaJV,ShahR,AbbasiS,MandryD,FrancisSA,LumishH,GhoshhajraBB,HoffmannU,AppelbaumE,FengJH,BlanksteinR,SteignerM,McConnellJP,HarrisW,AntmanEM,Jerosch-HeroldM,KwongRY.
BrighamandWomen'sHospital,Boston,MA;SanfordSchoolofMedicine,UniversityofSouthDakota,SiouxFall;MassachusettsGeneralHospital,Boston;BethIsraelDeaconessMedicalCenter,Boston,MA;HealthDiagnosticLaboratory,Inc.,Richmond,VA;OmegaQuantAnalytics,LLC,SiouxFalls,SD.
BACKGROUND:Omega-3fattyacidsfromfishoilhavebeenassociatedwithbeneficialcardiovasculareffects,buttheirroleinmodifyingcardiacstructuresandtissuecharacteristicsinpatientswhohavehadanacutemyocardialinfarctionwhilereceivingcurrentguideline-basedtherapyremainsunknown.
METHODS:Inamulticenter,double-blind,placebo-controlledtrial,participantspresentingwithanacutemyocardialinfarctionwererandomlyassigned1:1to6monthsofhigh-doseomega-3fattyacids(n=)orplacebo(n=).condaryendpointsincludedchangeinnoninfarctmyocardialfibrosis,leftventricularejectionfraction,andinfarctsize.
RESULTS:Byintention-to-treatanalysis,patientsrandomlyassignedtoomega-3fattyacidsexperiencedasignificantreductionofleftventricularsystolicvolumeindex(-5.8%,P=0.),andnoninfarctmyocardialfibrosis(-5.6%,P=0.)in
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