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Efficacy of Home Inspiratory Muscle Training in Post-covid-19 Patients: a Randomized Clinical Trial

INTRODUCTION: Coronavirus 2019 disease (COVID-19), caused by the Severe Acute Respiratory Syndrome (SRAG) of coronavirus 2 (SARS-CoV-2) surpassed the global number of 119,603,761 cases, with more than 2,649,722 reported deaths . There is sufficient evidence for a possible post-covid-19 syndrome, designating sequelae with persistent symptoms. Respiratory muscle training improves respiratory muscle strength, exercise capacity, diaphragm muscle thickness, and dyspnea in various patient populations, especially in those with the greatest reduction in basal respiratory muscle strength. OBJECTIVE: To evaluate the effectiveness of a home inspiratory muscle training protocol in improving respiratory muscle strength, dyspnea and quality of life in post-Covid-19 patients. MATERIALS AND METHODS: This is a clinical, controlled, randomized and blind trial, which will be carried out at the Institute of Tropical Medicine of the Federal University of Rio Grande do Norte. The sample size will be performed using GPower software version (Kiel, Germany) for Windows and will be established after conducting a pilot study with 5 participants in each group (total of 10 subjects) for a hypothetical two-way ANOVA test, using the main variable the Maximum Inspiratory Pressure (PImax.). The subjects included in the research will undergo three evaluation moments: Pre-training (Initial), Post-training (6 weeks) and Retention Test (24 weeks) for clinical evaluation form, anthropometric measures, respiratory muscle strength, volumes and capacities pulmonary symptoms, dyspnea, perceived exertion and fatigue, handgrip strength, six-minute walk test, anxiety and depression, post-covid functional status. After the initial assessment, all volunteers will receive a POWERbreathe® device (POWERbreathe®, HaB Ltd, Southam, UK) to carry out the training. EXPECTED RESULTS: provide a safe, effective and easy-to-perform treatment for post-covid-19 patients.

Natal, Rio Grande Do NorteStart: August 2021
Could Docosahexaenoic Acid (DHA), Contained in Breast Milk and Artificial Baby Milks, Protect Infants and Children From COVID-19 and Make Them Less Prone to COVID-19-related Severe Illness Than Adults?

Could Docosahexaenoic Acid (DHA) Protect Infants and Children From COVID-19 and Make Them Less Susceptible to COVID-19-related Severe Illness Than Adults? The study is configured as a retrospective and prospective observational study. The study will be multi-center and will involve all Infants and Children feeding on breast milk or Artificial milk formula that contained on DHA. Human milk is the best form of infant nutrition providing significant protection against many illnesses for term and preterm infants. This study seeks to investigate the possible protective role of DHA found in Breast Milk or Artificial Milk Formula that are used for feeding of Children and Infants. This study would examine the electronic patient record of Newborn from birth to about 2 months of age and Infants from 2 months to 1 year old as well as children from 1year to age 5 years old , feeding on Breast Milk or Artificial Milk Formula between March 2020 and October 2021 and compare their rates of Covid-19 infection, hospitalization and complications with the rates of the local age-matched background population. As Covid-19 is a new disease, the existing research literature on this specific topic is extremely limited, and so far this study would be the first in this area. Abstract The novel SARS-CoV-2, which causes the disease called COVID-19, has rapidly spread across the globe. A striking and consistent observation has been the difference in severity of COVID-19 at different ages: severity, the need for hospitalization and mortality rise steeply with older age while severe disease and death are relatively rare in children and young adults. Most children infected with SARS-CoV-2 are asymptomatic or have mild symptoms, most commonly fever, cough, pharyngitis, gastrointestinal symptoms and changes in sense of smell or taste. Whether children are also less often infected by SARS-CoV-2 is an ongoing debate. Large epidemiological studies suggest that children comprise only 1 to 2% of all SARS-CoV-2 cases. However, these numbers heavily depend on testing criteria and, in many reports, testing was done only in individuals who were symptomatic or required hospitalisation, which is less often the case for children. Some studies suggest that children are just as likely as adults to become infected with SARS-CoV-2.9 However, more recent studies report that children are less likely to get infected after contact with a SARS-CoV-2-positive individual.10-14 It has been suggested that children and adolescents have similar viral loads and may therefore be as likely to transmit SARS-CoV-2 as adults. In addition, the viral load may be similar in asymptomatic and symptomatic individuals. However, reassuringly, transmission in schools from children either to other children or to adults has been rare. The observation that children are less often infected with SARS-CoV-2 and that they have less severe symptoms is similar to that reported for SARS-CoV-1 and Middle East respiratory syndrome (MERS)-CoV. However, this pattern is strikingly different to that for infection with most other respiratory viruses (eg, respiratory syncytial virus (RSV), metapneumovirus, parainfluenza or influenza viruses), for which the prevalence and severity are both higher in children. Dr Amr kamel khalil Ahmed and Dr. Mahmoud Elkazzaz, the lead investigators of this observational study , recently published a preprint that demonstrated Docosahexaenoic acid (DHA) had a high binding affinity and greatest interactions with ACE2 active sites, as well as a moderate binding affinity and moderate interactions with the active sites of IL-6. The Docosahexaenoic acid (DHA) interacts with different active sites of IL6 and ACE2 which are involved in direct or indirect contacts with the ACE2 and IL-6 receptors which might act as potential blockers of functional ACE2 and IL-6 receptor complex. Docosahexaenoic acid (DHA) was detected in abundance in breast milk and other algal sources milk supplement used for newborns and children's feeding. As a result, we believe that docosahexaenoic acid (DHA) may protect children and newborns thorough competing with COVID-19 for ACE2 receptors and inhibiting IL-6 activity and may possibly help them avoid a cytokine storm and save their lives through inhibiting IL-6 and preventing SARS-CoV-2 RBD attachment to ACE2

Start: October 2021