?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Complications+and+Mortality+of+Single+Versus+Dual+Chamber+Implantable+Cardioverter+Defibrillators+&rft.creator=Bagherzadeh%2C+Ataallah&rft.creator=Emkanjoo%2C+Zahra&rft.creator=Haghjoo%2C+Majid&rft.creator=Farahani%2C+Maryam+Moshkani&rft.creator=Alizadeh%2C+Abolfath&rft.creator=Sadr-Ameli%2C+Mohammad+Ali&rft.subject=Indian+Pacing+and+Electrophysiology+Journal&rft.description=Background%3A+The+implantable+cardioverter+defibrillators+(ICDs)+are+increasingly+being+used+as+a+treatment+modality+for+life+threatening+tachyarrhythmia.+The+purpose+of+this+study+was+to+compare+the+frequency+of+complications+and+mortality+between+single-chamber+and+dual-chamber+ICD+implantation+in+Shahid+Rajaie+cardiovascular+center.%0A%0AMethods+and+results%3A+Between+January+2000+and+December+2004%2C+234+patients+received+ICD+by+a+percutaneous+transvenous+approach+and+were+followed+for+33+%C2%B1+23+months.+The+cumulative+incidence+of+complications+was+9.4%25+over+the+follow-up+period.+There+was+no+significant+difference+in+overall+complication+rate+between+single+chamber+(VR)+and+dual+chamber+(DR)+ICD+groups+in+the+follow-up+period+(P%3D+0.11).+The+risk+of+complications+did+not+have+any+statistically+significant+difference+in+secondary+versus+primary+prevention+groups+(P%3D0.06).+The+complications+were+not+associated+with+the+severity+of+left+ventricular+systolic+dysfunction+(P%3D0.16).The+frequency+of+lead-related+complications+was+higher+in+dual+chamber+ICDs+in+comparison+with+single+chamber+ICDs+(P%3D0.02).+There+was+no+significant+difference+in+mortality+between+different+sex+groups+(P%3D0.37)%2C+different+indications+for+ICD+implantation+(P%3D0.43)+or+between+VR+and+DR+ICD+groups+(P%3D+0.55).+Predictors+of+mortality+were+NYHA+class+III+or+more+(P%3C0.001)%2C+age+%3E65+years+(P%3D0.011)+and+LVEF%3C30%25+(P%3C0.001).+The+mortality+in+patients+with+CAD+and+DCM+were+significantly+higher+than+those+with+other+structural+heart+diseases+(P%3D0.001).%0A%0AConclusions%3A+Close+monitoring+of+patients+during+the+first+2+month+after+ICD+implantation+is+recommended+because+the+majority+of+complications+occur+early+after+the+procedure.%0A&rft.publisher=Indian+Pacing+and+Electrophysiology+Group&rft.contributor=Singh%2C+Balbir&rft.contributor=Lokhandwala%2C+Yash&rft.contributor=Francis%2C+Johnson&rft.contributor=Gupta%2C+Anup&rft.contributor=Ghosh%2C+Joydeep&rft.date=2006-04&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F4800%2F1%2Fbagherzadeh.htm&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F4800%2F2%2Fbagherzadeh.pdf&rft.identifier=++Bagherzadeh%2C+Ataallah+and+Emkanjoo%2C+Zahra+and+Haghjoo%2C+Majid+and+Farahani%2C+Maryam+Moshkani+and+Alizadeh%2C+Abolfath+and+Sadr-Ameli%2C+Mohammad+Ali++(2006)+Complications+and+Mortality+of+Single+Versus+Dual+Chamber+Implantable+Cardioverter+Defibrillators.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F4800%2F