2022年7月28日 · To open a blocked circumflex artery, your provider may perform cardiac catheterization and angioplasty and stent (interventional procedures). Angioplasty opens a narrowed artery using balloons and other tools, while a …

Mean stent areas assessed by IVUS of 8.2 mm 2 in the body of the LM, 7.2 mm 2 at the bifurcation, 6.3 mm 2 in the proximal LAD, and 5.0 mm 2 in the proximal LCx are associated with better outcomes. An ostial LCx mean stent area <4 mm 2 …

2021年12月1日 · Crossover stenting refers to stent implantation from the main branch (LM) across the ostium of the side branch (LCx) and usually refers to LM-to-LAD stent placement. Bifurcation angles are defined as "A," the angle between the LM and the LCx artery; "B," the angle between the LAD and LCx (bifurcation angle); and "C," the angle between the LM ...

It is a variation performed by simultaneously positioning stents at LCx and LAD with LCx stent minimally protruding into the LAD, when the angulations between the branches approach 90°. The LCx stent is deployed first, and then after removal of the wire and balloon from LCx, the LAD stent is …

2025年3月19日 · Leaving the LCX without any dilation after LM-LAD crossover stenting has a sufficiently higher survival rate from cardiac events in cases with high FFR values in the jailed LCX 32.

2020年12月12日 · Herein, we provide an evidence-based practical guide on how to approach and perform LM percutaneous interventions (PCI). 1. Introduction. The left main coronary artery (LM) is the critical conduit for blood supply to the myocardium. Disease prevalence ranges within ~5–8% among patients who undergo diagnostic coronary angiography.

2024年1月16日 · We identified 292 consecutive patients with LM bifurcation stenosis who were treated using the crush technique. The final minimal stent area was measured in the ostial left anterior descending artery (LAD), ostial left circumflex artery (LCX), and distal LM.

2023年5月26日 · A stent is positioned in the LCX and the balloon catheter in LMCA-LAD after pre-dilatation of lesions. The LCX stent is deployed with the proximal margin protruding into LMCA fully covering its ostium.

2025年2月25日 · Even with precise stenting, complications at the LAD ostium can arise, including unintended damage to the LCx ostium due to carina displacement or distortion. Additional procedural challenges, such as plaque shifting (snow-plow phenomenon), vascular spasm, and dissection, may further exacerbate the complexity of managing these lesions [ 1 ].

2025年3月19日 · A Follow-up angiography eight days poststenting showing localized occlusion at the proximal stent site in the LCX (arrow).B Predilation was performed, followed by IVUS examination, which revealed complete stent expansion accompanied by thrombotic material (arrows).Additionally, severe stenosis was observed in the middle and distal segments of the LCX.