Efficacy and safety of a novel size-adjustable cryoballoon vs conventional cryoballoon: Results from the CONTRAST-CRYO II randomized clinical trial.
Inamura Y; Miyazaki S; Nitta J; Nakamura K; Kobori A; Inaba O; Murakami M; Nakamura T · 2026 · Heart rhythm
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Background A size-adjustable cryoballoon (SACB, POLARxFIT, Boston Scientific), switching between 28-mm and 31-mm diameters, was introduced for atrial fibrillation ablation; however, its efficacy and safety compared with conventional…
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Metadata source: Europe PMC · DOI 10.1016/j.hrthm.2026.05.037