Objectives To determine the risk factors for in-hospital mortality in patients with COVID-19 from a Peruvian national hospital. Methods Retrospective cohort study of medical records of patients with COVID-19 hospitalized at Hospital Nacional Hipólito Unanue (HNHU) during the months of April to August 2020. The dependent variable was in-hospital mortality. Independent variables included sociodemographic and clinical characteristics, physical examination findings, oxygen saturation (SaO2) at admission, treatment received during hospitalization and laboratory results at admission. A Cox regression model was used to evaluate the crude and adjusted hazard ratios for associated factors. Results We included 1418 patients. Median age was 58 years (IQR 47–68 years) and 944 (66.6%) were male. The median length of hospitalization was 7 (4–13) days, and the mortality rate was 46%. The most frequent comorbidities were type 2 diabetes mellitus, hypertension, and obesity. In the adjusted analysis, mortality was associated with age (HR 1.02; 95%CI 1.02–1.03), history of surgery (HR 1.89; 95%CI 1.31–2.74), lower oxygen saturation at admission (HR 4.08; CI95% 2.72–8.05 for SaO2<70% compared to SaO2>94%), the presence of poor general condition (HR 1.81; 95% CI 1.29–2.53), altered state of consciousness (HR 1.58; 95%CI 1.18–2.11) and leukocyte levels (HR 1.01; 95%CI 1.00–1. 02). Treatment with ivermectin (HR 1.44; 95%CI 1.18–1.76) and azithromycin (HR 1.25; 95%CI 1.03–1.52) were associated with higher mortality. Treatment with corticosteroids at low to moderate doses was associated with lower mortality (HR 0.56 95%CI 0. 37–0. 86) in comparison to no steroid use. Conclusion A high mortality was found in our cohort. Low oxygen saturation at admission, age, and the presence of hematological and biochemical alterations were associated with higher mortality. The use of hydroxychloroquine, ivermectin or azithromycin was not useful and was probably associated with unfavorable outcomes. The use of corticosteroids at moderate doses was associated with lower mortality.
Introducción. En Perú se usan múltiples definiciones de síndrome metabólico (SM); sin embargo, actualmente no hay un consenso sobre cuál definición usar en la práctica clínica. Objetivos. Comparar las estimaciones de riesgo cardiovascular (RCV), obtenidas mediante la calculadora de RCV de la ACC/AHA, y evaluar su grado de concordancia con diferentes definiciones de SM en pacientes atendidos en Lima, Perú. Materiales y métodos. Estudio transversal analítico. Se revisaron las historias clínicas, obtenidas por muestreo consecutivo, de 233 pacientes atendidos entre octubre y diciembre de 2019 en el Hospital Nacional Hipólito Unanue (HNHU), Lima, Perú. El RCV se calculó mediante la calculadora virtual de RCV de la ACC/AHA y se consideraron las definiciones de SM de la OMS, NCEP-ATP III, IDF, AHA/NHLBI, JIS y ALAD para comparar el RCV según cada definición. La concordancia entre las distintas definiciones de SM se calculó mediante el coeficiente kappa con base en los seis niveles de fuerza de concordancia de Landis y Koch. Resultados. Las medianas de RCV en pacientes con SM según las definiciones de la OMS, NCEP-ATP III, IDF, AHA/NHLBI, ALAD y JIS fueron 9.6 (3.9-20.35), 7.9 (3.1-18.6), 7.3 (3-16.5), 7.8 (3-17.6), 7.1 (2.9-16.5), y 7.1 (3.1-16.5), respectivamente. La prevalencia de SM según las definiciones JIS, IDF, ALAD, AHA/NHLBI, NCEP-ATP III y OMS fue 81.97%, 80.26%, 74.68%, 67.81%, 65.67% y 51.14%, respectivamente. La concordancia entre los criterios de JIS y los de IDF, ALAD, NCEP-ATP III y AHA/NHLBI fue 0.944, 0.787, 0.592 y 0.567, respectivamente, pero entre los de JIS y OMS, 0.286. Conclusiones. Existen diferencias entre las estimaciones de RCV según las distintas definiciones de SM usadas en Perú y consideradas en el presente estudio, lo que puede tener repercusiones en la intensidad de las intervenciones terapéuticas y preventivas realizadas en estos pacientes.
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