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Efficacy of long detection interval implantable cardioverter-defibrillator settings in secondary prevention population: data from the Avoid Delivering Therapies for Nonsustained Arrhythmias in ICD Patients III (ADVANCE III) trial.

Abstract：

BACKGROUND:Three trials demonstrated recently that a long detection window reduces implantable cardioverter-defibrillator (ICD) therapy in primary prevention patients. Avoid Delivering Therapies for Nonsustained Arrhythmias in ICD Patients III (ADVANCE III) was the only trial that enrolled both primary and secondary prevention patients. METHODS AND RESULTS:Of the 1902 patients enrolled in the ADVANCE III trial, 477 received a defibrillator for secondary prevention; 248 patients were randomly assigned to a long detection setting (30 of 40 intervals) and 229 to the nominal setting (18 of 24 intervals) for ventricular arrhythmias with cycle length ≤ 320 ms. Eight-five percent of patients were men, with a mean age of 65 ± 12 years, a previous history of ventricular fibrillation in 37% of the cases, and a mean ejection fraction of 38 ± 13%. The ICD device mix was 37% single chamber, 47% dual chamber, and 16% triple chamber. Over a median period of 12 months, the long detection period was associated with a 25% reduction in the number of overall therapies (115.6 versus 86.8 per 100 patient-years; incidence rate ratio, 0.75; 95% confidence interval, 0.61-0.93; P=0.008) and a 34% reduction in the number of shocks (rate per 100 patient-years, 51.2 versus 38.1; incidence rate ratio, 0.66; 95% confidence interval, 0.48-0.89; P=0.007). Appropriate therapies (89.7 versus 67.7; incidence rate ratio, 0.77; 95% confidence interval, 0.60-0.97; P=0.029) and appropriate shocks (37.1 versus 28.1; incidence rate ratio, 0.64; 95% confidence interval, 0.45-0.93; P=0.018) were also reduced. CONCLUSIONS:ADVANCE III is the first randomized trial to assess a long detection window setting in ICDs in both primary and secondary prevention populations and demonstrates a reduction of overall therapies and shocks in the subgroup of secondary prevention patients. These data suggest that even the secondary prevention population may benefit from programming that combines a long detection period with antitachycardia pacing during charging. CLINICAL TRIAL REGISTRATION URL:http://www/clinicaltrials.gov. Unique identifier: NCT00617175.

journal_name

Circulation

journal_title

Circulation

authors

Kloppe A,Proclemer A,Arenal A,Lunati M,Martìnez Ferrer JB,Hersi A,Gulaj M,Wijffels MC,Santi E,Manotta L,Mangoni L,Gasparini M

doi

10.1161/CIRCULATIONAHA.114.009468

subject

Has Abstract

pub_date

2014-07-22 00:00:00

pages

308-14

issue

eissn

0009-7322

issn

1524-4539

pii

CIRCULATIONAHA.114.009468

journal_volume

130

pub_type

杂志文章,多中心研究,随机对照试验

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Efficacy of long detection interval implantable cardioverter-defibrillator settings in secondary prevention population: data from the Avoid Delivering Therapies for Nonsustained Arrhythmias in ICD Patients III (ADVANCE III) trial.