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J Cardiovasc Electrophysiol ; 31(2): 423-431, 2020 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-31916273


BACKGROUND: We have previously demonstrated the feasibility of a nurse-led risk factor modification (RFM) program for improving weight loss and obstructive sleep apnea (OSA) care among patients with atrial fibrillation (AF). OBJECTIVE: We now report its impact on arrhythmia outcomes in a subgroup of patients undergoing catheter ablation. METHODS: Participating patients with obesity and/or need for OSA management (high risk per Berlin Questionnaire or untreated OSA) underwent in-person consultation and monthly telephone calls with the nurse for up to 1 year. Arrhythmias were assessed by office ECGs and ≥2 wearable monitors. Outcomes, defined as Arrhythmia control (0-6 self-terminating recurrences, with ≤1 cardioversion for nonparoxysmal AF) and Freedom from arrhythmias (no recurrences on or off antiarrhythmic drugs), were compared at 1 year between patients undergoing catheter ablation who enrolled and declined RFM. RESULTS: Between 1 November 2016 and 1 April 2018, 195 patients enrolled and 196 declined RFM (body mass index, 35.1 ± 6.7 vs 34.3 ± 6.3 kg/m2 ; 50% vs 50% paroxysmal AF; P = NS). At 1 year, enrolled patients demonstrated significant weight loss (4.7% ± 5.3% vs 0.3% ± 4.4% in declined patients; P < .0001) and improved OSA care (78% [n = 43] of patients diagnosed with OSA began treatment). However, outcomes were similar between enrolled and declined patients undergoing ablation (arrhythmia control in 80% [n = 48] vs 79% [n = 38]; freedom from arrhythmia in 58% [n = 35] vs 71% [n = 34]; P = NS). CONCLUSION: Despite improving weight loss and OSA care, our nurse-led RFM program did not impact 1-year arrhythmia outcomes in patients with AF undergoing catheter ablation.

J Cardiovasc Electrophysiol ; 30(5): 631-638, 2019 May.
Artigo em Inglês | MEDLINE | ID: mdl-30706975


INTRODUCTION: After atrial fibrillation (AF) ablation, oral anticoagulation (OAC) is recommended if stroke risk as assessed by CHA2 DS 2 -VASc score is high. However, patients without AF are often reluctant to take daily OAC. We describe outcome using as needed nonvitamin K antagonist (NOACs) guided by pulse monitoring to detect AF following successful ablation. METHODS AND RESULTS: We identified 99 patients (84% male, age 64 ± 8 years), CHA2 DS 2 -VASc score greater than or equal to 1 in men and greater than or equal to 2 in women (median 2, range 1-6), capable of pulse assessment twice daily and no AF on extended monitoring after AF ablation. All patients were instructed to start NOAC if AF >1 hour or recurrent shorter episodes. Duration of NOAC use after restart was typically 2 to 4 weeks. After 30 ± 14 months (total 244 patient-years), 22 patients (22%) transitioned to daily NOAC because of noncompliance with pulse assessment or patient preference (six patients) or because of suspected or documented AF episode(s) in 16 (16%) patients. Of the remaining 77 (78%), 14 (14%) used NOACs but did not transition back to daily use, most (10 patients) with single use (seven patients) or non-AF rhythm (three patients) documented. There was only one thromboembolic event (0.4%/yr of follow-up) in patient without AF and one mild bleeding event (epistaxis). CONCLUSION: The use of as needed NOACs when AF is suspected with pulse monitoring is effective and safe to maintain low risk of stroke and bleeding after successful ablation. Transition back to daily NOAC use should be anticipated in about one quarter of patients.

J Am Heart Assoc ; 7(23): e010414, 2018 12 04.
Artigo em Inglês | MEDLINE | ID: mdl-30571593


Background Obesity and obstructive sleep apnea ( OSA ) are associated with atrial fibrillation ( AF ), yet these conditions remain inadequately treated. We report on the feasibility and efficacy of a nurse-led risk factor modification program utilizing a pragmatic approach to address obesity and OSA in AF patients. Methods and Results AF patients with obesity (body mass index ≥30 kg/m2) and/or the need for OSA management (high risk per Berlin Questionnaire or untreated OSA ) were voluntarily enrolled for risk factor modification, which comprised patient education, lifestyle modification, coordination with specialists, and longitudinal management. Weight loss and OSA treatment were monitored by monthly follow-up calls and/or continuous positive airway pressure ( CPAP ) unit downloads. Quality of life and arrhythmia symptoms were assessed with the SF -36 and AF Severity Scale at baseline and at 6 months. From November 1, 2016 to October 31, 2017, 252 patients (age 63±11 years; 71% male; 57% paroxysmal AF ) were enrolled, 189 for obesity and 93 for OSA . Obese patients who enrolled lost significantly greater percent body weight than those who declined (3% versus 0.3%; P<0.05). Among 93 patients enrolled for OSA , 70 completed sleep studies, OSA was confirmed in 50, and the majority (76%) started CPAP therapy. All components of quality of life and arrhythmia symptoms improved significantly from baseline to 6 months among enrolled patients. Conclusions A nurse-led risk factor modification program is a potentially sustainable and generalizable model that can improve weight loss and OSA in AF patients, translating into improved quality of life and arrhythmia symptoms.

Fibrilação Atrial/prevenção & controle , Obesidade/terapia , Comportamento de Redução do Risco , Apneia Obstrutiva do Sono/terapia , Idoso , Fibrilação Atrial/etiologia , Fibrilação Atrial/enfermagem , Pressão Positiva Contínua nas Vias Aéreas/enfermagem , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Obesidade/complicações , Obesidade/enfermagem , Apneia Obstrutiva do Sono/complicações , Apneia Obstrutiva do Sono/enfermagem , Programas de Redução de Peso