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Article: Implantable atrial defibrillator with a single-pass dual-electrode lead

TitleImplantable atrial defibrillator with a single-pass dual-electrode lead
Authors
Issue Date1999
PublisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/jac
Citation
Journal Of The American College Of Cardiology, 1999, v. 33 n. 7, p. 1974-1980 How to Cite?
AbstractOBJECTIVES: We examined the feasibility and efficacy of using a single- pass, dual-electrode (Solo) lead for atrial fibrillation (AF) detection and defibrillation. BACKGROUND: The efficacy and safety of an implantable atrial defibrillator (IAD) has been extensively studied; however, separate right atrial (RA) and coronary sinus (CS) defibrillation leads are used for the present system. METHODS: We studied the use of the Solo lead for AF detection and defibrillation in 17 patients who underwent cardioversion of chronic AF. The Solo lead with a proximal 6-cm RA electrode and a distal 6-cm spiral- shaped CS electrode were positioned into the CS with the RA electrode against the anterolateral RA wall. The RA-CS electrogram signal amplitudes were measured and the efficacy of the Solo lead for AF detection and defibrillation was assessed by using an external version of the IAD. RESULTS: The leads were inserted in all patients without complication (mean fluoroscopy time: 13.3 ± 6.8 min). The mean RA-CS signal amplitude was 484 ± 229 μV during sinus rhythm and 274 ± 88 μV during AF (p < 0.05). All patients had satisfactory atrial signal amplitude to allow accurate detection of sinus rhythm. Successful cardioversion was achieved in 16/17 (94%) patients with an atrial defibrillation threshold of 320 ± 70 V (5.5 ± 2.7 J). Insufficient interelectrode spacing resulted in suboptimal electrode locations, associated with a lower atrial signal amplitude, a higher atrial defibrillation threshold and diaphragmatic stimulation. CONCLUSIONS: These results suggest a simplified lead configuration with optimal interelectrode spacing can be used with an IAD for AF detection and defibrillation.
Persistent Identifierhttp://hdl.handle.net/10722/162288
ISSN
2015 Impact Factor: 17.759
2015 SCImago Journal Rankings: 10.097
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorTse, HFen_US
dc.contributor.authorLau, CPen_US
dc.contributor.authorYomtov, BMen_US
dc.contributor.authorAyers, GMen_US
dc.date.accessioned2012-09-05T05:18:41Z-
dc.date.available2012-09-05T05:18:41Z-
dc.date.issued1999en_US
dc.identifier.citationJournal Of The American College Of Cardiology, 1999, v. 33 n. 7, p. 1974-1980en_US
dc.identifier.issn0735-1097en_US
dc.identifier.urihttp://hdl.handle.net/10722/162288-
dc.description.abstractOBJECTIVES: We examined the feasibility and efficacy of using a single- pass, dual-electrode (Solo) lead for atrial fibrillation (AF) detection and defibrillation. BACKGROUND: The efficacy and safety of an implantable atrial defibrillator (IAD) has been extensively studied; however, separate right atrial (RA) and coronary sinus (CS) defibrillation leads are used for the present system. METHODS: We studied the use of the Solo lead for AF detection and defibrillation in 17 patients who underwent cardioversion of chronic AF. The Solo lead with a proximal 6-cm RA electrode and a distal 6-cm spiral- shaped CS electrode were positioned into the CS with the RA electrode against the anterolateral RA wall. The RA-CS electrogram signal amplitudes were measured and the efficacy of the Solo lead for AF detection and defibrillation was assessed by using an external version of the IAD. RESULTS: The leads were inserted in all patients without complication (mean fluoroscopy time: 13.3 ± 6.8 min). The mean RA-CS signal amplitude was 484 ± 229 μV during sinus rhythm and 274 ± 88 μV during AF (p < 0.05). All patients had satisfactory atrial signal amplitude to allow accurate detection of sinus rhythm. Successful cardioversion was achieved in 16/17 (94%) patients with an atrial defibrillation threshold of 320 ± 70 V (5.5 ± 2.7 J). Insufficient interelectrode spacing resulted in suboptimal electrode locations, associated with a lower atrial signal amplitude, a higher atrial defibrillation threshold and diaphragmatic stimulation. CONCLUSIONS: These results suggest a simplified lead configuration with optimal interelectrode spacing can be used with an IAD for AF detection and defibrillation.en_US
dc.languageengen_US
dc.publisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/jacen_US
dc.relation.ispartofJournal of the American College of Cardiologyen_US
dc.subject.meshAdulten_US
dc.subject.meshAgeden_US
dc.subject.meshAtrial Fibrillation - Physiopathology - Therapyen_US
dc.subject.meshDefibrillators, Implantableen_US
dc.subject.meshElectric Countershock - Instrumentationen_US
dc.subject.meshElectrocardiography, Ambulatoryen_US
dc.subject.meshElectrodesen_US
dc.subject.meshFeasibility Studiesen_US
dc.subject.meshFemaleen_US
dc.subject.meshFollow-Up Studiesen_US
dc.subject.meshHeart Rateen_US
dc.subject.meshHumansen_US
dc.subject.meshMaleen_US
dc.subject.meshMiddle Ageden_US
dc.subject.meshPosture - Physiologyen_US
dc.subject.meshProsthesis Designen_US
dc.subject.meshTreatment Outcomeen_US
dc.titleImplantable atrial defibrillator with a single-pass dual-electrode leaden_US
dc.typeArticleen_US
dc.identifier.emailTse, HF:hftse@hkucc.hku.hken_US
dc.identifier.authorityTse, HF=rp00428en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/S0735-1097(99)00138-2en_US
dc.identifier.pmid10362202-
dc.identifier.scopuseid_2-s2.0-0032745560en_US
dc.identifier.hkuros49509-
dc.identifier.hkuros40772-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0032745560&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume33en_US
dc.identifier.issue7en_US
dc.identifier.spage1974en_US
dc.identifier.epage1980en_US
dc.identifier.isiWOS:000081123100023-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridTse, HF=7006070805en_US
dc.identifier.scopusauthoridLau, CP=7401968501en_US
dc.identifier.scopusauthoridYomtov, BM=12789311600en_US
dc.identifier.scopusauthoridAyers, GM=7102015157en_US

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