ObjectivesToinvestigatetheprevalenceofhypertensionanditsprimaryriskfactorsinpatientswithdilatedcardiomyopathy(DCM).MethodsThreehundredandsixty-twopatientswithDCM(DCMgroup)and401age-matchedresidents(controlgroup)wereenrolledrandomlyinthestudy,thehypertensiveprevalenceratewerecalculatedrespectivelyinthetwogroupsandwerecomparedwitheachother;thepatientsintheDCMgroupwerepidedintotwosubgroups(hypertensionsubgroupandnon-hypertensionsubgroup)accordingtowhetherthepatientshavehypertension;theclinicaldatarelatedtobloodpressurewascomparedbetweenthetwosubgroups.ResultsTheprevalenceofhypertensioninDCMgroupwassignificantlyhigherthanthatinthecontrolgroup(32.8%vs.20.1%,P<0.01);Therewerenosignificantdifferencesontheage,gender,occupationandleftventricularejectionfraction(LVEF)betweenthetwosubgroups,butthemeanheartrateandthepercentageofpatientswhohadfamilyhistoryofhypertensionweresignificantlyhigherinthehypertensionsubgroupthanthatinthenon-hypertensionsubgroup(P<0.05andP<0.01).ConclusionsTheprevalenceofhypertensioninpatientswithDCMwashigh;TheincreasedactivityofsympatheticnervoussystemandthehypertensivegeneticfactormaybethemainriskfactorsofhypertensioninpatientswithDCM.
