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• W2054898052 abstract "Chronic total occlusions (CTOs) are found in approximately 30% of Pts with coronary artery disease and represent the most difficult group for treatment by percutaneous coronary intervention (PCI) with a lower angiographic success rate. Transradial PCI is safe and effective, though the efficacy of this approach in CTOs has not been well studied. All Pts treated with PCI for CTOs between Jan 2004 and Dec 2009 were retrospectively identified from a dedicated database. We compared the success rates via the transradial (TRA) and transfemoral approach (TFA) with attention to the lesion characteristics and techniques applied. 979 Pts (63.2 ± 11.6 years, 87.3% male) were studied. Baseline demographics and angiographic characteristics were similar between groups with no difference in lesion length, calcification or proximal vessel tortuosity. There was a significant difference in the rate of bifurcations performed via the TRA and TFA (29.1% vs. 14.6%, p<0.0001). Parallel wire technique and retrograde recanalisation were used more frequently from the TFA. TRA was associated with an increased use of anchoring balloons. Sheath sizes > 6 French were used in 20/979(2%). Larger sheath size was associated with a higher rate of parallel wire technique (p = 0.0004), retrograde recanalisation (p<0.0001) and tornus use (p = 0.027). TRA has equivalent success rates to TFA in Pts with similar lesion characteristics, requires less invasive sheath sizes and allows complex techniques such as retrograde recanalisation. TFA (233 patients) TRA (646 patients) P value Sheath size – 6F 218 (93.6%) 642 (99.4%) <0.0001 Sheath size – 8F 11 (4.7%) 0 (0) <0.0001 Parallel wire 54 (23.2%) 106 (16.4%) 0.029 Side branch technique 7 (3.0%) 41 (6.3%) 0.06 Anchoring balloon 7 (3.0%) 48 (7.4%) 0.017 Retrograde recanalisation 16 (6.9%) 18 (2.8%) 0.009 Procedural time 73.4 +/–41.2min 80.7+/–40.7min 0.03 Contrast use 238.7mls +/–180.2mls 286.2 +/–157.3mls 0.001 Angiographic Success 139 (67.8%) 441 (70.7%) 0.44" @default.
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• W2054898052 date "2011-01-01" @default.
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• W2054898052 title "070 A comparison of the success rates of transradial and transfemoral approaches for percutaneous coronary intervention of chronic total occlusions" @default.
• W2054898052 doi "https://doi.org/10.1016/s1878-6480(11)70072-6" @default.
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