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Background: We hypothesized that radiofrequency ablation (RFA) of Bachmann's bundle (BB) could attenuate the induction of atrial fibrillation (AF).Methods: Fifteen pigs were anesthetized with isoflurane ( R) and ventilated. Sustained AF (lasting >30 min) was reproducibly induced using burst atrial pacing (50 msec intervals) during IV infusion of methacholine (M) (7.4 +/- 2.7 μg/kg/min)...
Objectives. We sought to assess the effects of aging on the endothelial physiology of a group of Chinese adults.Background. Several studies have documented an association between aging and progressive arterial endothelial dysfunction in white subjects. We hypothesized that age-related endothelial dysfunction, an important event in atherosclerosis, might be less marked in southern Chinese subjects,...
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