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dc.creatorAsenjo,René
dc.creatorZapata,Mario
dc.creatorAramburú,Ivonne
dc.creatorMorris,Raimundo
dc.creatorCereceda,Mauricio
dc.creatorBrugere,Solange
dc.creatorAguayo,Rubén
dc.creatorRíos,Jhonny
dc.creatorToro,Carlos
dc.creatorHassi,Mario
dc.creatorGonzález,Patricio
dc.creatorCannessa,José
dc.creatorOyarzún,Rodulfo
dc.creatorOrtiz,Mario
dc.creatorAvalos,Viviana
dc.creatorMorales,Patricia
dc.creatorNicola,Martín
dc.creatorOyonarte,Miguel
dc.creatorAbufhele,Alejandro
dc.date2003-10-01
dc.date.accessioned2020-02-17T15:33:21Z
dc.date.available2020-02-17T15:33:21Z
dc.identifierhttps://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0034-98872003001000001
dc.identifier.urihttps://revistaschilenas.uchile.cl/handle/2250/130715
dc.descriptionIntraventricular resynchronization with pacemakers is a promising therapy for patients with refractory cardiac failure and intraventricular conductions delay. However its long term effects are not well known. Aim: To report the results of this therapy in patients with cardiac failure. Patients and methods: Fourteen patients (11 male), whose mean age was 68 years, with a severe and refractory cardiac failure, have been treated in our unit using intraventricular resynchronization with pacemakers. Eight had a coronary heart disease and six a dilated myocardiopathy. The pacemaker was implanted transvenously, with conventional stimulation in atrium and right ventricle. The left ventricle was stimulated through an epicardial vein, accessed through the coronary sinus. Results: In one patient the high thresholds did not allow a left ventricular stimulation. In the other 13 patients, a clinical improvement was observed in 11 (85%), that has been sustained for a mean of 8.2 months. The ejection fraction improved form 23.5 to 32.4% (p <0.001), the 6 min walking test improved from 347 to 437 m (p=0.003) and the functional capacity changes from 3.3 to 2.7 (p <0.001). Three patients died during follow up. One was the patient in whom the stimulation failed and two had a sudden death. No complications of the procedure were observed. Conclusions: In this series, intraventricular resynchronization with pacemakers was effective in 11 of 13 patients, improving functional capacity and ejection fraction. Sudden death could be avoided adding a defibrillator to the pacemaker system (Rev Méd Chile 2003; 131: 1101-10)
dc.formattext/html
dc.languagees
dc.publisherSociedad Médica de Santiago
dc.relation10.4067/S0034-98872003001000001
dc.rightsinfo:eu-repo/semantics/openAccess
dc.sourceRevista médica de Chile v.131 n.10 2003
dc.subjectCardiac surgical procedures
dc.subjectCardiac pacing
dc.subjectartificial
dc.subjectPacemaker
dc.subjectartificial
dc.titleResultados clínicos de la resincronización ventricular en pacientes con insuficiencia cardíaca severa


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