Key result
Maze procedure linked to only 1 stroke over 12 years in refractory AF.
Why the study?
The Maze procedure's effectiveness in reducing perioperative stroke risk in patients with medically refractory atrial fibrillation was evaluated due to their elevated baseline stroke risk.
Does the Maze procedure prevent stroke in patients with medically refractory atrial fibrillation?
Observational
Does the Maze procedure prevent stroke in patients with medically refractory atrial fibrillation?
The Maze procedure appears to effectively abolish the long-term risk of stroke associated with atrial fibrillation, with only 1 stroke observed over a 12-year follow-up.
Answers are grounded in this paper and cite their sources.
May support Maze consideration in AF surgery patients; leaves open need for randomized confirmation of stroke benefit.
The Maze procedure has proven to be extremely effective in curing medically refractory atrial fibrillation. This analysis of our surgical results with the Maze procedure indicates that the Maze procedure, with or without associated cardiac surgery, has the lowest perioperative stroke rate of any major cardiac surgical procedure. This is surprising in view of the fact that all of the patients who undergo the Maze procedure have an elevated risk of stroke because of the presence of atrial fibrillation. In addition, many of the patients have already had strokes, further increasing the likelihood of perioperative stroke. Only 1 patient has had a stroke in the 12-year follow-up period following the Maze procedure. This is comparable to the risk of stroke in the general population and indicates that the Maze procedure essentially abolishes the risk of stroke associated with atrial fibrillation.
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Ad et al. (2000) conducted an observational in Medically refractory atrial fibrillation. Maze procedure was evaluated on Stroke. The Maze procedure for medically refractory atrial fibrillation was associated with only 1 stroke over a 12-year follow-up period.
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