Original Research | By Matsuhiro Y, Matsunaga-Lee Y, Nakamura D et al.
AIM - Clinical outcomes after percutaneous coronary intervention (PCI) in hemodialysis (HD) patients are significantly worse than those in non-HD patients. Optical coherence tomography (OCT) is a high resolution imaging modality and provides a detailed assessment of post-interventional abnormal findings that influence worse clinical outcomes. However, little is known about the abnormal post-stent OCT findings in HD patients. T...
Intravascular Ultrasound Assessment of In-Stent Restenosis in Saphenous Vein Grafts
Original Research | By Wolny R, Mintz GS, Maehara A et al.
Outcomes after percutaneous coronary interventions (PCI) in saphenous vein grafts (SVG) are inferior compared with native coronary arteries, but the mechanisms of SVG in-stent restenosis (ISR) have not been well-described. Thus, we aimed to evaluate the patterns of SVG ISR using intravascular ultrasound (IVUS) in 54 SVG ISR lesions. Stent underexpansion was defined as minimum stent area (MSA) <5 mm2. ...
Letter | By Zhou F, Tang CX, Schoepf UJ et al.
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Original Research | By Sara JDS, Corban MT, Prasad M et al.
AIMS - Myocardial bridging (MB), characterized by the epicardial coronary vessel diving into the myocardium, is present up to 1/3rd of adults and is associated with accelerated atherosclerosis, and angina. In the current study we determine the association between MB and coronary endothelial dysfunction. METHODS AND RESULTS - Patients with chest pain and nonobstructive CAD (stenosis < 40%) at angiography un...
Fractional flow reserve derived from CCTA may have a prognostic role in myocardial bridging
Original Research | By Zhou F, Tang CX, Zhang LJ et al.
PURPOSE - To evaluate the feasibility of fractional flow reserve (cFFR) derivation from coronary CT angiography (CCTA) in patients with myocardial bridging (MB), its relationship with MB anatomical features, and clinical relevance. METHODS - This retrospective study included 120 patients with MB of the left anterior descending artery (LAD) and 41 controls. MB location, length, depth, muscle index, insta...
Original Research | By Monroy-Gonzalez AG, Alexanderson-Rosas E, Prakken NHJ et al.