EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology · 2024
Natural history of a newly developed calcified nodule: incidence, predictors, and clinical outcomes.
СтатьяНазвание и аннотация: Перевод в очереди
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Sugizaki Yoichiro, Matsumura Mitsuaki, Chen YuWei, Tsukui Takunori, Shlofmitz Evan, Thomas Susan V, Malik Sarah, Dakroub Ali, Singh Mandeep, Shin Doosup, Granville Matthew J, Busch Jordan M, Wolff Eric H, Miraglia Genie M, Moses Jeffrey W, Khalique Omar K, Cohen David J, Mintz Gary S, Shlofmitz Richard A, Jeremias Allen, Ali Ziad A, Maehara Akiko
Аннотация
BACKGROUND: Calcified nodules (CNs) are an increasingly important, high-risk lesion subset.
AIMS: We sought to identify the emergence of new CNs and the relation between underlying plaque characteristics and new CN development.
METHODS: Patients who had undergone two optical coherence tomography (OCT) studies that imaged the same untreated calcified lesion at baseline and follow-up were included. New CNs were an accumulation of small calcium fragments at follow-up that were not present at baseline. Cardiac death, myocardial infarction (MI), or clinically driven revascularisation related to OCT-imaged, but untreated, calcified lesions were then evaluated.
RESULTS: Among 372 untreated calcified lesions, with a median of 1.5 (first and third quartiles: 0.7-2.9) years between baseline and follow-up OCTs, new CNs were observed in 7.0% (26/372) of lesions at follow-up. Attenuated calcium representing residual lipid (odds ratio [OR] 3.38, 95% confidence interval [CI]: 1.15-9.98; p=0.03); log10 calcium volume index (length×maximum arc×maximum thickness; OR 2.76, 95% CI: 1.10-6.95; p=0.03); angiographic Δangle between systole and diastole, per 10° (OR 2.30, 95% CI: 1.25-4.22; p=0.01); and time since baseline OCT, per year (OR 1.36, 95% CI: 1.05-1.75; p=0.02) were all associated with new CN development. Clinical events were revascularisation and/or MI and were more frequent in lesions with versus without a new CN (29.3% vs 15.3%; p=0.04).
CONCLUSIONS: New CNs developed in untreated, lipid-containing, severely calcified lesions with a larger angiographic hinge motion (between systole and diastole), compared with lesions without CNs, and were associated with worse clinical outcomes.
AIMS: We sought to identify the emergence of new CNs and the relation between underlying plaque characteristics and new CN development.
METHODS: Patients who had undergone two optical coherence tomography (OCT) studies that imaged the same untreated calcified lesion at baseline and follow-up were included. New CNs were an accumulation of small calcium fragments at follow-up that were not present at baseline. Cardiac death, myocardial infarction (MI), or clinically driven revascularisation related to OCT-imaged, but untreated, calcified lesions were then evaluated.
RESULTS: Among 372 untreated calcified lesions, with a median of 1.5 (first and third quartiles: 0.7-2.9) years between baseline and follow-up OCTs, new CNs were observed in 7.0% (26/372) of lesions at follow-up. Attenuated calcium representing residual lipid (odds ratio [OR] 3.38, 95% confidence interval [CI]: 1.15-9.98; p=0.03); log10 calcium volume index (length×maximum arc×maximum thickness; OR 2.76, 95% CI: 1.10-6.95; p=0.03); angiographic Δangle between systole and diastole, per 10° (OR 2.30, 95% CI: 1.25-4.22; p=0.01); and time since baseline OCT, per year (OR 1.36, 95% CI: 1.05-1.75; p=0.02) were all associated with new CN development. Clinical events were revascularisation and/or MI and were more frequent in lesions with versus without a new CN (29.3% vs 15.3%; p=0.04).
CONCLUSIONS: New CNs developed in untreated, lipid-containing, severely calcified lesions with a larger angiographic hinge motion (between systole and diastole), compared with lesions without CNs, and were associated with worse clinical outcomes.