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Feasibility and efficacy of the ultrashort side branch dedicated balloon in coronary bifurcation stenting Device specificity of vascular healing following implantation of bioresorbable vascular scaffolds and bioabsorbable polymer metallic drug-eluting stents in human coronary arteries: the ESTROFA OCT BVS vs. BP-DES study Treatment of calcified coronary lesions with Palmaz-Schatz stents. An intravascular ultrasound study Management of pulmonary hypertension from left heart disease in candidates for orthotopic heart transplantation Covering our tracks – optical coherence tomography to assess vascular healing Experimental basis of determining maximum coronary, myocardial, and collateral blood flow by pressure measurements for assessing functional stenosis severity before and after percutaneous transluminal coronary angioplasty Utilization and Outcomes of Measuring Fractional Flow Reserve in Patients With Stable Ischemic Heart Disease Diagnostic Performance of Angiogram-Derived Fractional Flow Reserve: A Pooled Analysis of 5 Prospective Cohort Studies Fractional Flow Reserve-Guided Multivessel Angioplasty in Myocardial Infarction Reply: Will Pulmonary Artery Denervation Really Have a Place in the Armamentarium of the Pulmonary Hypertension Specialist?

Original Research2020 Jul 14;EIJ-D-20-00334.

JOURNAL:Eurointervention. Article Link

Feasibility and efficacy of the ultrashort side branch dedicated balloon in coronary bifurcation stenting

Y Murasato, M Nishihara, T Mori et al. Keywords: kissing balloon inflation vs. glider balloon; stent configuration; high-angled bifurcation; coronary bifurcation stenting

ABSTRACT

AIMS - We sought to investigate the feasibility and efficacy of the Glider balloon (GB), a side branch (SB) dedicated balloon 4-mm in length, in coronary bifurcation stenting.

METHODS AND RESULTS - In bifurcation bench models, stent configuration was examined with micro-focus computed tomography after crossover stenting followed by GB dilation or kissing balloon inflation (KBI). GB dilation maintained cross-sectional stent area without significant deformation and presented effective jailed strut removal in a high-angled bifurcation model.


We performed GB dilatation after main vessel (MV) stenting for 207 lesions in 194 patients, which included left main, true-bifurcation lesion, and two-stent treatment in 42.0%, 45.9%, and 14.0%, respectively. Proximal optimization technique (POT) or POT-like inflation was performed in 82.1%. GB crossing failure, SB stenting due to dissection, and stent deformation requiring correction by KBI or MV dilation occurred in 8.7, 1.4, and 5.8%, respectively. Finally, simple GB dilation without KBI had been completed in 91.8% for SB dilation. At 1-year follow-up, target lesion revascularization, cardiac death, myocardial infarction, and stent thrombosis were found in 7.2%, 2.1%, 2.1%, and 1.0%, respectively.


CONCLUSION - Simple GB dilation after adequate expansion of proximal MV stent provided acceptable acute and long-term results as an alternative to KBI.