International journal of cardiology · 2024
Vitamin-K antagonist versus dual antiplatelet therapy in management of isolated and non-obstructive atherosclerotic coronary artery ectasia.
СтатьяСравнительное исследованиеНазвание и аннотация: Перевод в очереди
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El-Naggar Heba M, Soliman Martina G, Demitry Salwa R, Ahmed Tarek A N
Аннотация
BACKGROUND: Treatment of isolated and non-obstructive atherosclerotic coronary artery ectasia (CAE) is still controversial.
AIM: To assess the efficacy and safety of vitamin-K antagonist (VKA) versus dual antiplatelet (DAPT) therapy in management of patients with isolated and non-obstructive atherosclerotic CAE.
METHODS: We prospectively enrolled 79 patients diagnosed on elective coronary angiography to have either isolated CAE or non-obstructive atherosclerotic CAE. Patients were assigned in 1:1 pattern to receive either VKA (warfarin) or DAPT (aspirin plus clopidogrel). Patients were followed-up for nine-months. The primary endpoint was the cumulative events rate including acute coronary event, target vessel intervention, or cardiac death. Analysis of cumulative events at different time intervals, its individual components, and bleeding were considered secondary endpoints.
RESULTS: Cumulative events rate was 33%, with mortality rate of 2.5%. Both treatment groups showed comparable cumulative events during the nine-months follow-up duration. Nevertheless, Kaplan-Meier analysis beyond the first 3-months of follow-up showed significantly higher event-free survival among the VKA-group. Recurrent events (≥2) were significantly higher among the DAPT-group. Both groups showed no major bleeding events. Multivariable cox-regression analysis showed that presence of significant coronary tortuosity, use of DAPT in reference to VKA, and lower percent time in therapeutic range (%TTR) among those receiving VKA were significant independent predictors of clinical adverse events beyond the first 3-months of follow-up.
CONCLUSION: Cumulative adverse events were comparable among both treatment groups for isolated non-obstructive CAE. However, adverse events were significantly more frequent in the DAPT-group beyond the first three months.
AIM: To assess the efficacy and safety of vitamin-K antagonist (VKA) versus dual antiplatelet (DAPT) therapy in management of patients with isolated and non-obstructive atherosclerotic CAE.
METHODS: We prospectively enrolled 79 patients diagnosed on elective coronary angiography to have either isolated CAE or non-obstructive atherosclerotic CAE. Patients were assigned in 1:1 pattern to receive either VKA (warfarin) or DAPT (aspirin plus clopidogrel). Patients were followed-up for nine-months. The primary endpoint was the cumulative events rate including acute coronary event, target vessel intervention, or cardiac death. Analysis of cumulative events at different time intervals, its individual components, and bleeding were considered secondary endpoints.
RESULTS: Cumulative events rate was 33%, with mortality rate of 2.5%. Both treatment groups showed comparable cumulative events during the nine-months follow-up duration. Nevertheless, Kaplan-Meier analysis beyond the first 3-months of follow-up showed significantly higher event-free survival among the VKA-group. Recurrent events (≥2) were significantly higher among the DAPT-group. Both groups showed no major bleeding events. Multivariable cox-regression analysis showed that presence of significant coronary tortuosity, use of DAPT in reference to VKA, and lower percent time in therapeutic range (%TTR) among those receiving VKA were significant independent predictors of clinical adverse events beyond the first 3-months of follow-up.
CONCLUSION: Cumulative adverse events were comparable among both treatment groups for isolated non-obstructive CAE. However, adverse events were significantly more frequent in the DAPT-group beyond the first three months.