کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
2921988 1175825 2014 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Procedural and clinical outcomes after catheter ablation of unstable ventricular tachycardia supported by a percutaneous left ventricular assist device
ترجمه فارسی عنوان
نتایج رویه ای و بالینی پس از تخلیه کاتتر بطنی ناپایدار با استفاده از ابزار جانبی بطن چپ زیر جلدی
موضوعات مرتبط
علوم پزشکی و سلامت پزشکی و دندانپزشکی کاردیولوژی و پزشکی قلب و عروق
چکیده انگلیسی

BackgroundHemodynamic support using percutaneous left ventricular assist devices (pLVADs) during catheter mapping and ablation of unstable ventricular tachycardia (VT) can provide effective end-organ perfusion. However, its effect on procedural and clinical outcomes remains unclear.ObjectiveTo retrospectively evaluate the procedural and clinical outcomes after the catheter ablation of unstable VT with and without pLVAD support.MethodsSixty-eight consecutive unstable, scar-mediated endocardial and/or epicardial VT ablation procedures performed in 63 patients were evaluated. During VT mapping and ablation, hemodynamic support was provided by intravenous inotropes with a pLVAD (n = 34) or without a pLVAD (control; n = 34).ResultsBaseline patient characteristics were similar. VT was sustained longer with a pLVAD (27.4 ± 18.7 minutes) than without a pLVAD (5.3 ± 3.6 minutes) (P < .001). A higher number of VTs were terminated during ablation with a pLVAD (1.2 ± 0.9 per procedure) than without a pLVAD (0.4 ± 0.6 per procedure) (P < .001). Total radiofrequency ablation time was shorter with a pLVAD (53 ± 30 minutes) than without a pLVAD (68 ± 33 minutes) (P = .022), but with similar procedural success rates (71% for both pLVAD and control groups; P = 1.000). Although during 19 ± 12 months of follow-up VT recurrence did not differ between pLVAD (26%) and control (41%) groups (P = .305), the composite end point of 30-day rehospitalization, redo-VT ablation, recurrent implantable cardioverter-defibrillator therapies, and 3-month mortality was lower with a pLVAD (12%) than without a pLVAD (35%) (P = .043).ConclusionIn this nonrandomized retrospective study, catheter ablation of unstable VT supported by a pLVAD was associated with shorter ablation times and reduced hospital length of stay. While pLVAD support did not affect VT recurrence, it was associated with a lower composite end point of 30-day rehospitalization, redo-VT ablation, recurrent implantable cardioverter-defibrillator therapies, and 3-month mortality.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Heart Rhythm - Volume 11, Issue 7, July 2014, Pages 1122–1130
نویسندگان
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