Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre-including this research content-immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.
Antecedentes y objetivos: Se ha especulado que las estatinas pueden ser de utilidad en el tratamiento de pacientes con COVID-19, pero no existen evidencias clínicas sólidas. El objetivo de este trabajo es conocer su utilidad en una cohorte de gran tamaño de pacientes hospitalizados por COVID-19, así como si su retirada se asocia con un peor pronóstico. Material y métodos: Estudio retrospectivo observacional. Se incluyeron 2191 pacientes hospitalizados con infección confirmada con SARS-CoV-2. Resultados: La edad media fue de 68,0 ± 17,8 años y fallecieron un total de 597 (27,3%) pacientes. Un total de 827 pacientes (37,7% de la muestra), estaban tratados previamente con estatinas. Aunque precisaron con mayor frecuencia de ingreso en camas de críticos, dicho grupo terapéutico no resultó un factor predictor independiente de muerte en el seguimiento [HR 0,95 (0,72-1,25)]. Un total de 371 pacientes (16,9%) recibió al menos una dosis de estatina durante el ingreso. A pesar de ser una población con un perfil clínico más desfavorable, tanto su uso [HR 1,03 (0,78-1,35)] como la suspensión durante el ingreso en pacientes que las recibían crónicamente [HR 1,01 (0,78-1,30)] presentaron un efecto neutro en la mortalidad. No obstante, el grupo con estatinas desarrolló con mayor frecuencia datos de citolisis hepática, rabdomiolisis y más eventos trombóticos y hemorrágicos. Conclusiones: En nuestra muestra, las estatinas no se asociaron de forma independiente a una menor mortalidad en pacientes con COVID-19. En aquellos pacientes que tengan indicación de recibirlas por su patología previa es necesario monitorizar estrechamente sus potenciales efectos adversos durante el ingreso hospitalario.
Introduction Cardiac computed tomography (CT) use has progressively increased as the preferred initial test to rule out coronary artery disease (CAD) when clinical likelihood is low. Coronary artery calcium (CAC) detected by CT is a well-established marker for cardiovascular risk. However, it is not recommended for diagnosis of obstructive CAD. Absence of CAC, defined as an Agatston score of zero, has been associated to good prognosis despite underestimation of non-calcified plaques. Purpose To evaluate whether zero CAC score could help ruling out obstructive CAD in a safely manner. Methods Observational study based on a prospective database of patients (pts) referred to cardiac CT between 2017 and 2019. Pts with an Agatston score of zero were selected. Results We included 176 pts with zero CAC score and non-invasive coronary angiography performed. The median duration of follow-up was 23.9 months. Baseline characteristics of the population are shown in Table 1. In 117 pts (66.5%), cardiac CT was indicated as part of their chest pain evaluation. Mean age was 57.2 years old, 68.2% were women and only and 9.4% were active smokers. Normal coronary arteries were found in 173 pts (98.3%). Obstructive CAD, defined as ≥50% luminal diameter stenosis of a major vessel, was present in 1/176 (0.6%); while non-obstructive atherosclerotic plaques were found in 2 pts (1.1%). During follow-up, one patient died of out-of-hospital cardiac arrest. None either suffered from myocardial infarction or needed coronary revascularization. Conclusions In our cohort, a zero CAC score detected by cardiac CT rules out obstructive coronary artery disease in 98.3%, with only 1.7% of non-calcified atherosclerosis plaques and 0.6% of major adverse events. Although further research on this topic is needed, these results support the fact that non-invasive coronary angiography could be avoided in patients with low clinical likelihood of CAD and zero CAC score, facilitating the management of the increasing demand for coronary CT and reduction of radiation dose. Funding Acknowledgement Type of funding source: None
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