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- W2020128202 abstract "Purpose: To assess the clinical utility of optical coherence tomography (OCT) in the optimisation of ABSORB bioresorbable scaffold (BVS) deployment during percutaneous coronary intervention (PCI). Background: BVS represents an important advance in PCI technology. BVS is made of poly-l-lactic acid, with different expansion characteristics compared with metallic stents. OCT improves detection of scaffold mal-apposition, under-expansion, tissue prolapse, and stent edge dissection as compared with conventional intravascular imaging modalities. OCT-guided BVS optimisation could improve clinical outcome through early identification of intraprocedural complications. Methods: Consecutive patients undergoing OCT-guided BVS implantation were reviewed. Scaffold images were reviewed to determine if further intervention was required to optimise BVS implantation based on OCT performed after what was deemed to be an optimal angiographic result. Results: Eighteen patients, with 28 scaffolds were analysed. Mean age was 54.9 yrs with 89% male. Target vessels were; eight (44%) left anterior descending, five (28%) left circumflex, four (22%) right coronary and one (6%) obtuse marginal branch. Mean number of BVS/patient was 1.5 (95% CI 1.3–1.9). Of 28 scaffolds analysed, seven (25%) required further intervention after OCT review; three (43%) due to scaffold mal-apposition and four (57%) due to scaffold under-expansion. As compared to scaffolds not requiring OCT-determined optimisation, there was a significant increase in the number of balloon angioplasty inflations (15.6 vs 8.7, p < 0.05) and length of procedure (114.6 min vs 83.7 min, p < 0.05), but not fluoroscopic time (27.9 min vs 18.8 min, p = 0.08). Conclusions: OCT-guided BVS deployment prolongs procedure time but identifies regional scaffold underperformance in real time, with optimisation required in a high proportion of patients." @default.
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- W2020128202 date "2013-01-01" @default.
- W2020128202 modified "2023-09-27" @default.
- W2020128202 title "Clinical Utility of Optical Coherence Tomography (OCT) in the Optimisation of ABSORB Bioresorbable Vascular Scaffold Deployment During Percutaneous Coronary Intervention" @default.
- W2020128202 doi "https://doi.org/10.1016/j.hlc.2013.05.312" @default.
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