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Minimizingrightventricularpacinginsinusnodedisease:Sometimesthecureisworsethanthedisease

WorldJournalofClinicalCases 页数: 4 2015-03-16
摘要: Traditionalrightventricular(RV)apicalpacinghasbeenassociatedwithheartfailure,atrialfibrillationandincreasedmortality.ToavoidthenegativeconsequencesofRVapicalpacingdifferentstrategieshavebeendeveloped,amongtheseaseriesofpacingalgorithmsdesignedtominimizeRVpacing.ThesefunctionsareparticularlyusefulwhenthereisnottheneedforcontinuousRVpacing:intermittentatrioventricularblocksand,mainly,sinusnodedisease.However,inordertoavoidRVpacing,theoperationalfeaturesofthesealgorithmsmayleadtoadverse(oftenunder-appreciated)consequencesinsomepatients.Wedescribeacaseofapatientwithsinusnodedisease,inwhomrightatrialonlypacinginvolvedlongatrio-ventriculardelaytoallowintrinsicventricularconduction,whichledtosymptomatichypotensionthatcouldbeovercomeonlybyforcingalsorightventricularapicalpacing.Wesubsequentlydiscussthiscaseinthecontextofcurrentavailableliterature. ... (共4页)

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