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- Nielsen, Jens Cosedis, et al.
(författare)
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Long-term efficacy of catheter ablation as first-line therapy for paroxysmal atrial fibrillation : 5-year outcome in a randomised clinical trial.
- 2017
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Ingår i: Heart. - : BMJ Publishing Group Ltd. - 1355-6037 .- 1468-201X. ; 103:5, s. 368-376
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: The Medical ANtiarrhythmic Treatment or Radiofrequency Ablation in Paroxysmal Atrial Fibrillation (MANTRA-PAF) trial compared radiofrequency catheter ablation (RFA) with antiarrhythmic drug therapy (AAD) as first-line treatment for paroxysmal atrial fibrillation (AF). Endpoint of ablation was elimination of electrical activity inside pulmonary veins. We present the results of the 5-year follow-up.METHODS: This pre-specified 5-year follow-up included assessment of any AF and symptomatic AF burden by one 7-day Holter recording and quality of life (QoL) assessment, using SF-36 questionnaire physical and mental component scores. Analysis was intention-to-treat. Imputation was used to compensate for missing Holter data.RESULTS: 245 of 294 patients (83%) randomised to RFA (n=125) or AAD (n=120) attended the 5-year follow-up, 227 with Holter recording. Use of class I or III AAD was more frequent in AAD group (N=61 vs 13, p<0.001). More patients in the RFA group were free from AF (126/146 (86%) vs 105/148 (71%), p=0.001, relative risk (RR) 0.82; 95% CI 0.73 to 0.93) and symptomatic AF (137/146 (94%) vs 126/148 (85%), p=0.015, χ(2) test, RR 0.91; 95% CI 0.84 to 0.98) in 7-day Holter recording. AF burden was significantly lower in the RFA group (any AF: p=0.003; symptomatic AF: p=0.02). QoL scores did not differ between randomisation groups. QoL scores remained improved from baseline (both components p<0.001), and did not differ from 2-year scores.CONCLUSIONS: At 5 years, the occurrence and burden of any AF and symptomatic AF were significantly lower in the RFA group than in the AAD group. Improved QoL scores observed after 2 years persisted after 5 years without between-group differences.TRIAL REGISTRATION NUMBER: NCT00133211; Results.
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- Thomsen, Jakob Hartvig, et al.
(författare)
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Atrial Fibrillation Following Out-of-Hospital Cardiac Arrest and Targeted Temperature Management - Are We Giving It the Attention it Deserves?
- 2016
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Ingår i: Critical Care Medicine. - 0090-3493. ; 44:12, s. 2215-2222
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: Atrial fibrillation has been associated with increased mortality in the general population and mixed populations of critical ill. Atrial fibrillation can also affect patients during post-cardiac arrest care. We sought to assess the prognostic implications of atrial fibrillation following out-of-hospital cardiac arrest, including relation to the level of targeted temperature management. Design: A post hoc analysis of a prospective randomized trial. Setting: Thirty-six ICUs. Patients: We included 897 (96%) of the 939 comatose out-of-hospital cardiac arrest survivors from the targeted temperature management trial (year, 2010-2013) with data on heart rhythm on day 2. Interventions: Targeted temperature management at 33°C or 36°C. Measurements and Main Results: Endpoints included cumulative proportion of atrial fibrillation following out-of-hospital cardiac arrest and 180-day all-cause mortality and specific death causes stratified by atrial fibrillation. Atrial fibrillation on day 2 was used as primary endpoint analyses to exclude effects of short-term atrial fibrillation related to resuscitation and initial management. The cumulative proportions of atrial fibrillation were 15% and 11% on days 1 and 2, respectively. Forty-three percent of patients with initial atrial fibrillation the first day were reported with sinus rhythm on day 2. No difference was found between the groups treated with targeted temperature management at 33°C and 36°C. Patients affected by atrial fibrillation had significantly higher 180-day mortality (atrial fibrillation: 66% vs no-atrial fibrillation: 43%; plogrank < 0.0001 and unadjusted hazard ratio, 1.75 [1.35-2.30]; p < 0.0001). The association between atrial fibrillation and higher mortality remained significant (adjusted hazard ratio, 1.34 [1.01-1.79]; p < 0.05) adjusted for potential confounders. Atrial fibrillation was independently associated with increased risk of cardiovascular death and multiple-organ failure (adjusted hazard ratio, 2.07 [1.39-3.09]; p < 0.001), whereas no association with higher risk of death from cerebral causes was found. Conclusions: Atrial fibrillation was independently associated with higher mortality, primarily driven by cardiovascular causes and multiple-organ failure, and may thus identify a vulnerable subpopulation. Whether treatment to prevent atrial fibrillation is associated with an improved prognosis remains to be established.
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- Thomsen, Jakob Hartvig, et al.
(författare)
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Ventricular ectopic burden in comatose survivors of out-of-hospital cardiac arrest treated with targeted temperature management at 33°C and 36°C.
- 2016
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Ingår i: Resuscitation. - : Elsevier BV. - 1873-1570 .- 0300-9572. ; 102, s. 98-104
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Tidskriftsartikel (refereegranskat)abstract
- Life threatening arrhythmias are increasingly frequent with lower body temperature. While targeted temperature management (TTM) with mild hypothermia following out-of-hospital cardiac arrest (OHCA) is generally considered safe and has been suggested as a potential antiarrhythmic add-on therapy, it is unknown whether the level of TTM affects the burden of ventricular ectopic activity. We sought to assess the ventricular ectopic burden between patients treated with TTM at 33°C or 36°C for 24h.
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