COVID-19 vulnerability among Brazilian sexual and gender minorities: a cross-sectional study.

Minority groups are more prone to worsen their personal and social vulnerabilities during the COVID-19 pandemic. This study aimed to identify factors associated with the highest COVID-19 vulnerability in the Brazilian sexual and gender minorities. This is a cross-sectional study based on 826 respondents of the Brazilian LGBT+ Health Survey, conducted online from August to November 2020. The COVID-19 vulnerability was based on a previous vulnerability index created by an LGBT+ institution, which comprises three dimensions (income, COVID-19 exposure, and health). The outcome was the highest score quartile. Statistical analysis was based on logistic regression models. The COVID-19 vulnerability was higher in heterosexual and other scarce sexual orientations (OR = 2.34; 95%CI: 1.01-9.20, vs. homosexual), cisgender men (OR = 3.52; 95%CI: 1.35-4.44, vs. cisgender women), and those aged ≥ 50 years (OR = 3.74; 95%CI: 1.24-11.25, vs. 18-29 years old). A negative association was found with complete graduate education (OR = 0.06; 95%CI: 0.02-0.22, vs. complete high school), being white (OR = 0.44; 95%CI: 0.23-0.83), and proper facemask use (OR = 0.31; 95%CI: 0.13-0.76). Except for proper facemask use, factors associated with higher COVID-19 vulnerability are structural determinate and suggest overlapping vulnerabilities, as described by the syndemic model. It guides strategies to deal with the pandemic, which includes a joint approach to the common epidemic that affects sexual and gender minorities, broadening the intersectoral approach to decrease inequalities.

Pulmonary Ultrasound in the Diagnosis and Monitoring of Coronavirus Disease (COVID-19): A Systematic Review.

The goal of this review was to systematize the evidence on pulmonary ultrasound (PU) use in diagnosis, monitorization or hospital discharge criteria for patients with coronavirus disease 2019 (COVID-19). Evidence on the use of PU for diagnosis and monitorization of or as hospital discharge criteria for COVID-19 patients confirmed to have COVID-19 by reverse transcription polymerase chain reaction (RT-PCR) between December 1, 2019 and July 5, 2020 was compared with evidence obtained with thoracic radiography (TR), chest computed tomography (CT) and RT-PCR. The type of study, motives for use of PU, population, type of transducer and protocol, results of PU and quantitative or qualitative correlation with TR and/or chest CT and/or RT-PCR were evaluated. A total of 28 articles comprising 418 patients were involved. The average age was 50 y (standard deviation: 25.1 y), and there were 395 adults and 23 children. One hundred forty-three were women, 13 of whom were pregnant. The most frequent result was diffuse, coalescent and confluent B-lines. The plural line was irregular, interrupted or thickened. The presence of subpleural consolidation was noduliform, lobar or multilobar. There was good qualitative correlation between TR and chest CT and a quantitative correlation with chest CT of r = 0.65 (p < 0.001). Forty-four patients were evaluated only with PU. PU is a useful tool for diagnosis and monitorization and as criteria for hospital discharge for patients with COVID-19.

The role of 5-lipoxygenase in the pathophysiology of COVID-19 and its therapeutic implications.

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, known as coronavirus disease 2019 (COVID-19) causes cytokine release syndrome (CRS), leading to acute respiratory distress syndrome (ARDS), acute kidney and cardiac injury, liver dysfunction, and multiorgan failure. Although several studies have discussed the role of 5-lipoxygenase (5-LOX) in viral infections, such as influenzae and SARS, it remains unexplored in the pathophysiology of COVID-19. 5-LOX acts on free arachidonic acid (AA) to form proinflammatory leukotrienes (LTs). Of note, numerous cells involved with COVID-19 (e.g., inflammatory and smooth muscle cells, platelets, and vascular endothelium) widely express leukotriene receptors. Moreover, 5-LOX metabolites induce the release of cytokines (e.g., tumour necrosis factor-α [TNF-α], interleukin-1α [IL-1α], and interleukin-1ß [IL-1ß]) and express tissue factor on cell membranes and activate plasmin. Since macrophages, monocytes, neutrophils, and eosinophils can express lipoxygenases, activation of 5-LOX and the subsequent release of LTs may contribute to the severity of COVID-19. This review sheds light on the potential implications of 5-LOX in SARS-CoV-2-mediated infection and the anticipated therapeutic role of 5-LOX inhibitors.

Viral Replication and Antibody Kinetics in the Recognition of Asymptomatic COVID-19 Patients.

Following the discovery of COVID-19 disease caused by the SARS-CoV-2 coronavirus, different studies have been carried out to recognize the stages of the disease and the methods of achieving correct diagnosis. Investigations of cases and their contacts have revealed different degrees in the symptomatology of the disease, with asymptomatic patients gaining relevance because of the controversy regarding their role in the spread of the disease. Recognition and assessment of asymptomatic patients is essential to carry out containment actions such as public health measures for affected patients and contacts. In this review, we assess the diagnostic aspects of asymptomatic patients according to the available evidence of people with COVID-19.

Serious Games for Stroke Telerehabilitation of Upper Limb - A Review for Future Research.

Maintaining appropriate home rehabilitation programs after stroke, with proper adherence and remote monitoring is a challenging task. Virtual reality (VR) - based serious games could be a strategy used in telerehabilitation (TR) to engage patients in an enjoyable and therapeutic approach. The aim of this review was to analyze the background and quality of clinical research on this matter to guide future research. The review was based on research material obtained from PubMed and Cochrane up to April 2020 using the PRISMA approach. The use of VR serious games has shown evidence of efficacy on upper limb TR after stroke, but the evidence strength is still low due to a limited number of randomized controlled trials (RCT), a small number of participants involved, and heterogeneous samples. Although this is a promising strategy to complement conventional rehabilitation, further investigation is needed to strengthen the evidence of effectiveness and support the dissemination of the developed solutions.

Possibilities of "Crushing" the Transmission Curve of COVID-19 in Latin America - We Still Have Time

Latin America is suppose to have significant advantages over other developing regions, such as Asia and Africa, given the time where the Severe Acute Respiratory Syndrome coronavirus 2 (SARS-CoV-2), causing the Coronavirus Diseases 2019 (COVID-19), arrived, mainly from Europe. This occurred on February 26, 2020. Then, multiple previous measures were taken in order to prevent and mitigate the impact of pandemic in the region. In the current mini-review update we discuss the possibilities of "crushing" the transmission curve of COVID-19 in the region after two months of the arrival of this emerging coronavirus.

Economy or Health, Constant Dilemma in Times of Pandemic: The Case of Coronavirus Disease 2019 (COVID-19)

The multiple faces of the Coronavirus Disease 2019 (COVID-19), also included the impact on the economy. As a consequence of the significant life and society disruption, multiple implications are derived from the COVID-19 crisis and pandemic, including a significant backward on the economy. In the current mini-review, we discuss some potential considerations about it, including some specific examples of the COVID-19 impact on the economy.