Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions · 2018
Revascularization of coronary chronic total occlusions with subintimal tracking and reentry followed by deferred stenting: Experience from a high-volume referral center.
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Goleski Patrick J, Nakamura Kenta, Liebeskind Emily, Salisbury Adam C, Grantham J Aaron, McCabe James M, Lombardi William L
Аннотация
OBJECTIVES: To determine whether a variation of an abandoned antegrade percutaneous coronary intervention (PCI) technique, termed subintimal tracking and reentry (STAR), could be a safe and effective strategy to contend with complex coronary chronic total occlusions (CTO) when other strategies fail.
BACKGROUND: Complex CTOs require advanced techniques such as the retrograde approach, which is associated with higher complication rates than antegrade strategies.
METHODS: The medical records of 32 consecutive patients who underwent deferred stenting following STAR (DSS) between January 2015 and May 2017 at a high-volume referral center were retrospectively reviewed. The primary endpoint was technical success at the time of a second procedure following STAR-based balloon angioplasty, defined as successful stenting or the presence of Thrombolysis in Myocardial Infarction Study Group (TIMI) 3 flow with <50% residual stenosis if the vessel caliber was inappropriate for stenting.
RESULTS: Of 781 CTO PCI procedures, STAR was performed in 45 (5.8%) and DSS in 32 (4.1%), constituting the analysis cohort. The median Japanese-CTO score was 2.5 [interquartile range (IQR) 1.0-3.0]. Median inter-procedure time was 2.4 months [1.7-3.3 months]. Technical success was achieved in 28 (88%) patients; 23 (72%) patients were treated with stents and 5 (16%) with balloon angioplasty alone. Combined complications included one clinical perforation, one MI, and one stent thrombosis.
CONCLUSIONS: Deferred stenting after subintimal plaque modification via the STAR technique is a safe and effective strategy to contend with complex CTO lesions when other techniques are prohibitively high risk or have failed.
BACKGROUND: Complex CTOs require advanced techniques such as the retrograde approach, which is associated with higher complication rates than antegrade strategies.
METHODS: The medical records of 32 consecutive patients who underwent deferred stenting following STAR (DSS) between January 2015 and May 2017 at a high-volume referral center were retrospectively reviewed. The primary endpoint was technical success at the time of a second procedure following STAR-based balloon angioplasty, defined as successful stenting or the presence of Thrombolysis in Myocardial Infarction Study Group (TIMI) 3 flow with <50% residual stenosis if the vessel caliber was inappropriate for stenting.
RESULTS: Of 781 CTO PCI procedures, STAR was performed in 45 (5.8%) and DSS in 32 (4.1%), constituting the analysis cohort. The median Japanese-CTO score was 2.5 [interquartile range (IQR) 1.0-3.0]. Median inter-procedure time was 2.4 months [1.7-3.3 months]. Technical success was achieved in 28 (88%) patients; 23 (72%) patients were treated with stents and 5 (16%) with balloon angioplasty alone. Combined complications included one clinical perforation, one MI, and one stent thrombosis.
CONCLUSIONS: Deferred stenting after subintimal plaque modification via the STAR technique is a safe and effective strategy to contend with complex CTO lesions when other techniques are prohibitively high risk or have failed.