AIMS: Diabetes mellitus (DM) and atrial fibrillation (AF) share pathophysiological links, as supported by the high prevalence of AF within DM patients. Catheter ablation of AF (AFCA) is an established therapeutic option for rhythm control in drug resistant symptomatic patients. Its efficacy and safety among patients with DM is based on small populations, and long-term outcome is unknown. The present systematic review and meta-analysis aims to assess safety and long-term outcome of AFCA in DM patients, focusing on predictors of recurrence. METHODS AND RESULTS: A systematic review was conducted in MEDLINE/PubMed and Cochrane Library. Randomized controlled trials, clinical trials, and observational studies including patients with DM undergoing AFCA were screened and included if matching inclusion and exclusion criteria. Fifteen studies were included, adding up to 1464 patients. Mean follow-up was 27 (20-33) months. Overall complication rate was 3.5 (1.5-5.0)%. Efficacy in maintaining sinus rhythm at follow-up end was 66 (58-73)%. Meta-regression analysis revealed that advanced age (P < 0.001), higher body mass index (P < 0.001), and higher basal glycated haemoglobin level (P < 0.001) related to higher incidence of arrhythmic recurrences. Performing AFCA lead to a reduction of patients requiring treatment with antiarrhythmic drugs (AADs) from 55 (46-74)% at baseline to 29 (17-41)% (P < 0.001) at follow-up end. CONCLUSIONS: Catheter ablation of AF safety and efficacy in DM patients is similar to general population, especially when performed in younger patients with satisfactory glycemic control. Catheter ablation of AF reduces the amount of patients requiring AADs, an additional benefit in this population commonly exposed to adverse effects of AF pharmacological treatments.
Catheter ablation of atrial fibrillation in patients with diabetes mellitus: A systematic review and meta-analysis
ANSELMINO, Matteo
First
;MATTA, Mario;D'ASCENZO, FABRIZIO;GAITA, Fiorenzo
2015-01-01
Abstract
AIMS: Diabetes mellitus (DM) and atrial fibrillation (AF) share pathophysiological links, as supported by the high prevalence of AF within DM patients. Catheter ablation of AF (AFCA) is an established therapeutic option for rhythm control in drug resistant symptomatic patients. Its efficacy and safety among patients with DM is based on small populations, and long-term outcome is unknown. The present systematic review and meta-analysis aims to assess safety and long-term outcome of AFCA in DM patients, focusing on predictors of recurrence. METHODS AND RESULTS: A systematic review was conducted in MEDLINE/PubMed and Cochrane Library. Randomized controlled trials, clinical trials, and observational studies including patients with DM undergoing AFCA were screened and included if matching inclusion and exclusion criteria. Fifteen studies were included, adding up to 1464 patients. Mean follow-up was 27 (20-33) months. Overall complication rate was 3.5 (1.5-5.0)%. Efficacy in maintaining sinus rhythm at follow-up end was 66 (58-73)%. Meta-regression analysis revealed that advanced age (P < 0.001), higher body mass index (P < 0.001), and higher basal glycated haemoglobin level (P < 0.001) related to higher incidence of arrhythmic recurrences. Performing AFCA lead to a reduction of patients requiring treatment with antiarrhythmic drugs (AADs) from 55 (46-74)% at baseline to 29 (17-41)% (P < 0.001) at follow-up end. CONCLUSIONS: Catheter ablation of AF safety and efficacy in DM patients is similar to general population, especially when performed in younger patients with satisfactory glycemic control. Catheter ablation of AF reduces the amount of patients requiring AADs, an additional benefit in this population commonly exposed to adverse effects of AF pharmacological treatments.File | Dimensione | Formato | |
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