Key result
Anatomical examination of 30 heart specimens showed the central isthmus has the thinnest wall and shortest length (19 +/- 4 mm), making it the preferred site for linear radiofrequency ablation.
Observational (n=30)
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Informs optimal CTI ablation site selection; extends anatomical mapping but leaves open prospective clinical validation.
Cabrera et al. (2005) conducted an observational in Isthmus-dependent atrial flutter (n=30). Anatomical examination of 30 heart specimens showed the central isthmus has the thinnest wall and shortest length (19 +/- 4 mm), making it the preferred site for linear radiofrequency ablation.
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