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Impact of Off-Hours Versus On-Hours Primary Percutaneous Coronary Intervention on Myocardial Damage and Clinical Outcomes in ST-Segment Elevation Myocardial Infarction The (R)Evolution of the CICU - Better for the Patient, Better for Education Canadian SCAD Cohort Study: Shedding Light on SCAD From a United Front Decreased inspired oxygen stimulates de novo formation of coronary collaterals in adult heart Eruptive Calcified Nodules as a Potential Mechanism of Acute Coronary Thrombosis and Sudden Death Update in the Percutaneous Management of Coronary Chronic Total Occlusions Selection of stenting approach for coronary bifurcation lesions BMI, Infarct Size, and Clinical Outcomes Following Primary PCI Patient-Level Analysis From 6 Randomized Trials Association of the PHACTR1/EDN1 Genetic Locus With Spontaneous Coronary Artery Dissection Effect of Smoking on Outcomes of Primary PCI in Patients With STEMI

Clinical Case Study2019 Jul 13.[Epub ahead of print]

JOURNAL:Eur Heart J Cardiovasc Imaging. Article Link

Healed coronary plaque rupture as a cause of rapid lesion progression: a case demonstrated with in vivo histopathology by directional coronary atherectomy

Tsuchiya H, Nakano A, Nakamura N et al. Keywords: healed coronary plaque rupture; lesion progression; directional coronary atherectomy

ABSTRACT

Coronary plaque rupture is a culprit lesion morphology of thrombotic events leading to acute coronary syndrome (ACS). Meanwhile, coronary plaque rupture often occurs silently and heals spontaneously. This phenomenon is recognized as healed plaque rupture (HPR) in pathological studies. HPR is considered to be a cause of lesion progression, although most reports have been based on ex vivo autopsy specimens, therefore HPR remains underappreciated.


A 75-year-old man with a history of previous percutaneous coronary intervention to the left circumflex artery was admitted with recurrent ACS. Coronary angiography revealed rapid progressive lesion in the right coronary artery, where only mild stenosis existed 4 months prior (Panels A and...