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July 11, 2009Interactive Cardiovascular and Thoracic SurgeryOpen Access

Success rate for sinus rhythm at 6 months was 82%, with mechanical effectiveness observed in 100% of right atria and 70% of left atria among those in sinus rhythm.

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Why the study?

Does surgical cryoablation during mitral surgery restore electrical sinus rhythm and mechanical atrial contraction in patients with chronic AF?

Population

33 patients with chronic AF undergoing mitral surgery, mean age 62 years, 22 female. Exclusions: AF…

Design

Cohort

Follow-up

6 months

Authors

GRGuillermo ReyesABAmparo BenedictoJBJuan Bustamante‐Munguira

Discussion

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Overview

May support cryoablation during mitral surgery for chronic AF; extends observational data on mechanical recovery but leaves randomized confirmation open.

Structured PICO

Does surgical cryoablation during mitral surgery restore electrical sinus rhythm and mechanical atrial contraction in patients with chronic AF?

P
Population
33 patients with chronic AF (23 permanent, 10 paroxysmal) undergoing mitral surgery, mean age 62 years, 22 female. Exclusions: AF persisting for >10 years and left atrium (LA) >65 mm.
I
Intervention
Surgical cryoablation for AF concomitant with mitral surgery
O
Outcome
Electrical sinus rhythm (SR) recovery and mechanical effectiveness of atrial contraction by echocardiography at 6 monthssurrogate

Surgical cryoablation during mitral surgery effectively restores both electrical sinus rhythm and mechanical atrial contraction at 6 months follow-up.

Cite This Study

Reyes et al. (2009) studied this question.

synapsesocial.com/papers/6a714d87439bab0cabc386e6https://doi.org/10.1510/icvts.2009.208173
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1CARDIAC RHYTHM AND ATRIAL TRANSPORT FUNCTION AFTER SURGICAL ABLATION OF ATRIAL FIBRILLATION USING CRYOENERGY: PREDICTORS AND EFFECTIVENESS OF THE PROCEDURE2010 · 8 citations
  2. 2Left Atrial Function after Atrial Fibrillation Cryoablation Concomitant to Minimally Invasive Mitral Valve Repair: A Pilot Study on Long-Term Results and Clinical Implications2019 · 3 citations
  3. 3Cardiac function in relation to rhythm outcome after intraoperative epicardial left atrial cryoablation2011 · 1 citations
  4. 4Impact of thermal ablation methods on sinus rhythm maintenance after mitral valve surgery in patients with atrial fibrillation2026
  5. 5Learning what works in surgical cryoablation of atrial fibrillation: results of different application techniques and benefits of prospective follow-up2011 · 12 citations