کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
3009540 1181491 2008 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A high peak current 150-J fixed-energy defibrillation protocol treats recurrent ventricular fibrillation (VF) as effectively as initial VF
موضوعات مرتبط
علوم پزشکی و سلامت پزشکی و دندانپزشکی کاردیولوژی و پزشکی قلب و عروق
پیش نمایش صفحه اول مقاله
A high peak current 150-J fixed-energy defibrillation protocol treats recurrent ventricular fibrillation (VF) as effectively as initial VF
چکیده انگلیسی

SummaryObjectiveWe tested the hypothesis that the frequency of shock success differs between initial and recurrent episodes of ventricular fibrillation (VF).MethodsOut-of-hospital cardiac arrest patients presenting with VF from December 1996 to February 2007 defibrillated using an AED with a fixed-energy protocol (150 J) (Philips Medical Systems, Seattle, WA) were included for analysis. We defined shock success as termination of VF within 5 s post-shock (either asystole or organized rhythm). Generalized estimating equation (GEE) analysis was used to adjust for the interrelatedness of shocks within each patient.ResultsOne hundred and three events occurred during the study period. Patient characteristics included: mean age 64.4 years, 82.5% male, and 81.6% bystander witnessed. Synchronized call-to-shock time was 6.4 ± 2.3 min (mean ± S.D.). VF recurred in 64 (62.1%) patients. Two hundred and fifty-seven shocks delivered for initial (101) or recurrent (156) VF were available for analysis. Initial shocks terminated VF in 93/101 (92.1%); subsequent shocks terminated recurrent VF in 140/156 (89.7%). GEE odds ratio for shock type (initial versus refibrillation) was 1.10 (95% CI 0.37–3.24, p = 0.87). After adjusting for potential confounders, shock type remained insignificant (OR 1.14, 95% CI 0.41–3.2, p = 0.80). We observed no significant difference in ROSC (34.4% versus 46.2%, p = 0.23) or survival (37.5% versus 41.0%, p = 0.72) between those with and without VF recurrence.ConclusionsWe observed no significant difference in the frequency of shock success between initial and recurrent episodes of VF using this AED with a 150 J fixed-energy protocol. VF recurrence is common and does not adversely affect shock success, ROSC or survival.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Resuscitation - Volume 79, Issue 1, October 2008, Pages 28–33
نویسندگان
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