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1.
Artículo en Inglés | MEDLINE | ID: mdl-39115503

RESUMEN

In at least one-half of the patients with angina or ischemia and nonobstructive coronary arteries undergoing coronary function testing, coronary artery spasm (CAS) is detected. CAS is associated with an adverse prognosis regarding recurrent complaints and ischemic events. Current treatment options are mainly focused on the complaints, not on the underlying pathophysiological process. In this review we discuss available evidence regarding the presence, amount, and morphology of atherosclerosis in CAS patients. The reviewed evidence confirmed that atherosclerosis and vulnerable plaque characteristics are often detected in patients with CAS. The amount of atherosclerosis is higher in patients with focal CAS compared with patients with diffuse CAS. Severity of atherosclerosis is associated with the presence of CAS and the prognosis in CAS patients with atherosclerotic stenosis is worse. Therefore, CAS patients with atherosclerosis might benefit from targeted atherosclerotic treatment. Longitudinal studies are needed to elucidate the exact relation between atherosclerosis and CAS.

2.
Front Cardiovasc Med ; 11: 1352025, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38370159

RESUMEN

Coronary atherosclerosis remains a leading cause of morbidity and mortality worldwide. The underlying pathophysiology includes a complex interplay of endothelial dysfunction, lipid accumulation and inflammatory pathways. Multiple structural and inflammatory features of the atherosclerotic lesions have become targets to identify high-risk lesions. Various intracoronary imaging devices have been developed to assess the morphological, biocompositional and molecular profile of the intracoronary atheromata. These techniques guide interventional and therapeutical management and allow the identification and stratification of atherosclerotic lesions. We sought to provide an overview of the inflammatory pathobiology of atherosclerosis, distinct high-risk plaque features and the ability to visualize this process with contemporary intracoronary imaging techniques.

3.
Clin Drug Investig ; 42(11): 977-985, 2022 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-36208364

RESUMEN

BACKGROUND AND OBJECTIVE: The Low-Dose Colchicine-2 (LoDoCo2) trial showed that 2-4 years exposure to colchicine 0.5 mg once daily reduced the risk of cardiovascular events in patients with chronic coronary artery disease. The potential effect of years-long exposure to colchicine on renal or liver function and creatine kinase (CK) has not been systematically evaluated and was investigated in this LoDoCo2 substudy. METHODS: Blood samples drawn from 1776 participants at the close-out visit of the LoDoCo2 trial were used to measure markers of renal function (creatinine, blood urea nitrogen [BUN]), liver function (alanine aminotransferase [ALT], γ-glutamyl transferase [GGT], bilirubin and albumin), and CK. Renal and liver function as well as hyperCKemia (elevated CK) were categorized to the degree of elevation biomarkers as mild, mild/moderate, moderate/severe, and marked elevations. RESULTS: In total, 1776 participants (mean age 66.5 years, 72% male) contributed to this analysis, with a median exposure to trial medication of 32.7 months. Compared with placebo, colchicine was not associated with changes in creatinine and BUN but was associated with elevations in ALT (30 U/L vs. 26 U/L; p < 0.01) and CK (123 U/L vs. 110 U/L; p < 0.01). Most elevations in ALT and CK were mild in both treatment groups. There were no moderate to marked ALT elevations (> 5-10 × upper limit of normal [ULN]) in both treatment groups, and 6 (0.7%) colchicine-treated vs. 2 (0.2%) placebo-treated participants had moderate to marked CK elevations (> 5-10 × ULN). CONCLUSION: In chronic coronary artery disease, 2-4 years of exposure to colchicine 0.5 mg once daily was associated with small elevations in ALT and CK, but was not associated with changes in renal function. TRIAL REGISTRATION: https://www.anzctr.org.au ; ACTRN12614000093684, 24 January 2014.


Asunto(s)
Colchicina , Enfermedad de la Arteria Coronaria , Anciano , Femenino , Humanos , Masculino , Biomarcadores , Colchicina/efectos adversos , Creatina Quinasa/farmacología , Creatinina , Riñón/fisiología , Hígado
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