Background: Among individuals with nonvalvular atrial fibrillation (AF), the prevalence of obstructive sleep apnea (OSA) can be as high as 85%. Continuous positive airway pressure treatment for moderate or severe OSA might improve AF outcomes and quality of life, so early identification of OSA might be of value. However, screening questionnaires for OSA are suboptimal because they are weighted toward tiredness and loud snoring, which might be absent in AF patients.
After the introduction of Smart-TouchÔ, 421 procedures were performed with 3 tamponade events (3/421, 0.7%, P¼0.148). Analysis of other potential predictors is shown in Table 1. The only factor that was statistically significant was use of bridging heparin (P¼0.021). On multivariate analysis this became non-significant (P¼0.078). CONCLUSION: There was no significant difference in frequency of tamponade before and after introduction of contact force sensing catheters (1.9% v.s 0.7%, P¼0.148).
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