Carta al editor que destaca la importancia de identificar la presencia etiológica de hiponatremia en pacientes infectados por Covid-19, siendo el SIADH un desafío de diagnóstico y tratamiento en pacientes de edad avanzada, así como el énfasis de diagnóstico clínico para decidir entre restricciones líquidos o la infusión de fluidoterapia para evitar posibles complicaciones electrolíticas.

Objective: To determine the prevalence of the main mental disorders in health workers and the general population, in the context of the coronavirus 19 (COVID-19) pandemic. Material and Methods: The article follows the norms of the PRISM Guide for systematic revisions. A bibliographical search was made in Pub Med /MEDLINE from March 2020 until the 24 of March of 2021, the search strategies being duly evaluated by means of the Cochrane Manual of systematic reviews; similarly, the Mendeley program was used to qualify bibliographical references and eliminate duplicated articles. Results: Twenty-two studies were included in the analysis with a total average of 24 593 participants. In the general population, anxiety had a prevalence of 36.4%; depression, 26.6%; stress, 44.2% and post-traumatic stress disorder (PTSD), 5.9%. Women presented more frequently symptoms of anxiety and depression, whe...

IBackground: The COVID-19 disease caused by the virus, SARS-CoV-2, began in the Wuhan region of the People's Republic of China at the end of 2019, causing complications and mortality in hospitalized patients. Objective: To systematically review the literature on the cardiovascular complications of COVID-19 in hospitalized patients. Methods: Observational studies, studies on cardiovascular complications in hospitalized patients for COVID-19, studies with available texts and, studies in English and Spanish were included. A narrative synthesis of the collected data was carried out, without a formal statistical analysis. In addition to qualitative analysis of the main reported pathologies and clinical manifestations, the study quality tool of the United States National Institutes of Health was used. Results: In this study it was observed that 50.6% of the patients infected by SARS-CoV-2 suff...

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Objective: To determine the benefits of SGLT-2 inhibitors in patients with heart failure and reduced ejection fraction with or without diabetes. Methods: This systematic review included experimental studies, studies of SGLT-2 inhibitors in patients with heart failure with reduced ejection fraction with or without diabetes. A formal narrative synthesis of the data collected in English and Spanish. The summaries focused on qualitative analysis. The quality of evidence for each outcome was determined according to the Grading of Recommendations Assessmet, Developmet and Evaluation (GRADE) methodology. Results: In general, the primary events in patients with heart failure with reduced ejection fraction of the SGLT-2 inhibitor group were lower compared to the placebo group (IR:0.65; 95% CI 0.64-0.80; p=0.40). Results from cardiovascular death in the SGLT-2 inhibitor group were lower than in th...

Background: The COVID-19 disease caused by the novel severe acute respiratory syndrome coronavirus 2, which appeared in late 2019 in Hubei province, Wuhan region of the People's Republic of China. Objective: To determine the effects of serum vitamin D and supplement in patients infected with COVID-19. Methods: Experimental and observational studies were included in this systemic review; studies on the effects of serum vitamin D and supplement in patients with COVID-19; studies with available text and studies in the English and Spanish language were included. A formal narrative synthesis of the collected data was carried out, no formal statistical synthesis was carried out. The methodological quality of the articles was evaluated using the quality assessment tools of the National Heart, Lung and Blood Institute (NHLBI). Results: Seropositivity in patients with SARS-CoV-2 was not associate...

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Objective: To determine cardiovascular risk factors in patients hospitalized for COVID-19. Material and methods: Systematic review that includedobservational studies with cardiovascular disease risk factors in patients hospitalized with COVID-19, with text available, in English or Spanish; letters to the editor, abstracts, documents and clinical trials were excluded, studies without reliable data and duplicate sources. A bibliographic search of literature was conducted in PubMed, MEDLINE and JAMA, from June 12 to 18, 2021, search strategies were evaluated through the program of the Cochrane Manual of systematic reviews. The Mendeley program was used to manage bibliographic references and eliminate studies. The methodological quality of articles was evaluated with tools from the National Heart, Lung and Blood Institute (NHLBI), and an overall rating of 75 % good, 50-75 % regular, < 50 ...