Key result
Pulmonary vein stenting prevented stenosis recurrence over 12 months (0% recurrence), whereas primary balloon angioplasty had a 73% recurrence rate within 2 months.
Why the study?
Does pulmonary vein stenting prevent restenosis better than balloon angioplasty in patients with severe pulmonary vein stenosis after pulmonary vein isolation?
Observational (n=12)
Does pulmonary vein stenting prevent restenosis better than balloon angioplasty in patients with severe pulmonary vein stenosis after pulmonary vein isolation?
Absolute Event Rate: 0% vs 73%
Pulmonary vein stenting appears superior to balloon angioplasty alone for maintaining long-term vessel patency in patients with severe acquired pulmonary vein stenosis after ablation.
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Stenting may be preferable for severe post-ablation pulmonary vein stenosis; extends observational data but leaves open need for randomized trials.
Neumann et al. (2005) conducted an observational in Severe stenosis after pulmonary vein isolation (n=12). Pulmonary vein stenting vs. Primary balloon angioplasty was evaluated on Recurrence of pulmonary vein stenosis. Pulmonary vein stenting prevented stenosis recurrence over 12 months (0% recurrence), whereas primary balloon angioplasty had a 73% recurrence rate within 2 months.
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