Publications by authors named "Luiz R"

Cardiac involvement in 2019 coronavirus disease (COVID-19) survivors has been reported frequently. An exacerbated immune response may be the main mechanism of myocardial injury and late cardiac sequelae in this population. We investigated the immune profile in hypertensive and non-hypertensive patients with COVID-19 who developed late cardiac fibrosis and edema, as detected by magnetic resonance imaging (MRI).

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Objective: To compare the efficacy of silver diamine fluoride (SDF) and atraumatic restorative treatment (ART) in arresting caries lesions. Variables such as treatment time, adverse effects/parental aesthetic perception, anxiety and patients' behavior were also evaluated.

Materials And Methods: Children (3.

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The skin wound model in rats is a fundamental stage in preclinical trials, but there is a lack of standardization in these trials regarding the initial wound area, making analysis and comparison between studies difficult. Therefore, this study evaluates the healing progression of excisional skin lesions of varying diameters in Wistar rats, aiming to identify the optimal wound size for monitoring treatment effects on wound healing. Excisions of 0.

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Objective: Weight regain is a common outcome of weight loss interventions. Mental health-related comorbidities, among other factors, can mediate weight regain regardless of the implemented treatment modality. This study explores whether postoperative psychopathological comorbidities are associated with weight regain after bariatric surgery.

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Background: Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia, and its presentation differs according to age and sex. Recent studies have revealed differences in AF among various demographic groups, including the Latin American population.

Objectives: To better understand potential disparities in AF prevalence and treatment strategies in the Brazilian population through data from a large multicentric prospective registry.

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Background: Noncommunicable diseases contribute to premature deaths and limitations. Disability retirement is linked to chronic conditions, particularly cardiovascular diseases. The II Brazilian Guideline for Severe Heart Disease established criteria for cardiovascular disease classification.

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The development of new wound dressings made from biomaterials, which offer a better cost-benefit ratio and accelerate the healing process, is increasing nowadays. Various biopolymers can be electrospun to form functional membranes for wound healing. Therefore, in this study, chitosan and nanochitosan membranes with or without hyaluronic acid were prepared using the electrospinning technique, characterized and evaluated in the healing of skin wounds in rats.

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Article Synopsis
  • The study investigated cardiac inflammation in long COVID-19 patients, focusing on those who experienced myocardial injury while hospitalized, using cardiac magnetic resonance (CMR) imaging.* -
  • Out of 180 patients, 53 had CMR imaging; results highlighted that significant percentages had myocardial (43.4%) and pericardial (35.8%) late gadolinium enhancement (LGE), indicating heart damage.* -
  • Follow-up CMR showed some improvements in heart structure for 17 patients, but overall, many COVID-19 survivors still displayed signs of cardiac remodeling post-recovery.*
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Objective: To analyse hospital case fatality and mortality related to Chagas disease (CD) in Brazil, 2000-2019.

Method: This is a mixed ecological study with spatial and temporal trends, based on national population data from the Brazilian Ministry of Health - hospital admissions (HA) and death certificates (DC). Records with CD as a primary or secondary cause of death in HA and/or as an underlying or associated cause of death in DC were evaluated.

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Objective: To estimate original wild-type BNT162b2 effectiveness against symptomatic Omicron infection among children 5-11 years of age.

Methods: This prospective test-negative, case-control study was conducted in Toledo, southern Brazil, from June 2022 to July 2023. Patients were included if they were aged 5-11 years, sought care for acute respiratory symptoms in the public health system, and were tested for SARS-CoV-2 using reverse transcription polymerase chain reaction.

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The gold standard diagnosis of sporotrichosis is the isolation of sp. in culture media, but this is a time-consuming test that is susceptible to contamination and can be affected by the fungal load. Molecular methods such as nested PCR are gaining more ground in the management of several infections as they are tools for the rapid and accurate identification of microorganisms from pure cultures or directly from biological samples.

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Objective: to assess the effectiveness of an educational video on hospitalized patients' knowledge of safe practices in the perioperative period.

Method: randomized, double-blind controlled trial carried out in a teaching hospital in the countryside of Minas Gerais. 100 participants undergoing elective orthopaedic surgery were randomly allocated (50 participants in the experimental group and 50 participants in the control group).

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Background/objectives: Chronic pancreatitis (CP) is a progressive inflammatory disorder associated with marked morbidity and mortality and frequently requires hospitalization. This study aimed to investigate the time trends and geographical distribution of hospital admissions, the lethality rate of CP across Brazil, and the potential relationship with social indicators and associated risk factors.

Methods: Data were retrospectively obtained from the Brazilian Public Health System Registry between January 2009 and December 2019.

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Background: Mesenchymal stem cell infusion and vitamin D supplementation may have immunomodulatory actions that could prolong the preservation of residual insulin secretion in patients with type 1 diabetes (T1D). Intervention with these agents after onset of T1D could favor the development of a remission phase, with potential clinical impact. We aimed to compare the presence of clinical remission (CR), glycemic control and daily insulin requirement at 6, 12, 18, 24 and 36 months after the diagnosis of T1D using IDAA1c in patients who received therapy with adipose tissue-derived mesenchymal stem cell (ASC) infusion and vitamin D supplementation and a control group.

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Article Synopsis
  • The study investigates the impact of Fontan circulation on cardiac and liver health, focusing on increased systemic venous pressure leading to specific disease conditions.
  • Thirty-eight Fontan patients and 23 control subjects underwent advanced MRI to assess cardiac and liver fibrosis and cardiac remodeling, revealing significant differences in various measured parameters between the two groups.
  • Results indicate a strong correlation between cardiac and liver health markers, suggesting that MRI could be crucial for monitoring and improving treatment strategies in these patients to potentially avoid the need for dual organ transplants.
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This article aims to describe the geographical distribution of hospital mortality from COVID-19 in children and adolescents during the 2020-2021 pandemic in Brazil. Ecological, census study (SIVEP GRIPE) with individuals up to 19 years of age, hospitalized with SARS due to COVID-19 or SARS not specified in Brazilian municipalities, stratified in two ways: 1) in the five macro-regions and 2) in three urban agglomerations: capital, municipalities of the metropolitan region and non-capital municipalities. There were 44 hospitalizations/100,000 inhabitants due to COVID-19 and 241/100,000 when including unspecified SARS (estimated underreporting of 81.

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: Steatotic liver disease (SLD) has been linked to more exacerbated inflammatory responses in various scenarios. The relationship between SLD and COVID-19 prognosis remains unclear. Our aim was to investigate the impact of SLD on the outcome of COVID-19.

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Purpose: To assess liver and spleen characteristics of a population with Gaucher disease (GD) using multiparametric MRI and MR elastography (MRE) for evaluation of diffuse liver and spleen disease, which includes liver fat fraction, liver and spleen volume and iron deposition, and liver and spleen stiffness correlated with DS3 Severity Scoring System for Gaucher disease (GD-DS3).

Methods: We prospectively evaluated 41 patients with type 1 Gaucher disease using a 3.0 T MRI and MRE between January 2019 and February 2020.

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Article Synopsis
  • - The study aimed to evaluate cardiovascular risk factors (CRF) in adolescents aged 10-19, focusing on the impact of social vulnerability, which was determined by lack of access to basic resources like clean water and adequate income.
  • - A total of 517 adolescents participated, with data collected on their physical activity, food intake, and various health measurements, revealing that 32.4% were overweight and over half were physically inactive during leisure time.
  • - Findings indicated that socially vulnerable adolescents generally had lower body measurements and risk factors compared to non-vulnerable peers, but both groups displayed elevated cholesterol levels, suggesting that social vulnerability does not necessarily correlate with increased CRF.
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Article Synopsis
  • Facial nerve dysfunction is a common and serious issue for patients who have undergone parotidectomy, a surgery to remove the parotid gland.
  • A study comparing rehabilitation outcomes for patients with benign versus malignant neoplasms showed both groups experienced significant improvements in facial function through early, tailored physiotherapy.
  • Factors like previous surgeries and age over 60 were linked to more severe dysfunction and poorer outcomes, but overall, both types of neoplasms benefited similarly from the rehabilitation program.
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Background:  Facial nerve dysfunction is the principal postoperative complication related to parotidectomy.

Objective:  To test the hypothesis that the modified Sunnybrook Facial Grading System (mS-FGS) is superior to the original S-FGS in the assessment of facial nerve function following parotidectomy.

Methods:  Prospective, longitudinal study evaluating patients with primary or metastatic parotid neoplasms undergoing parotidectomy with facial nerve-sparing between 2016 and 2020.

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In 1973, the National Rabies Program was created in Brazil through an agreement between the Ministry of Health and Agriculture. Since its beginning, it developed integrated action through access to free post-exposure prophylaxis (PEP) for people at risk, dog vaccination campaigns, a joint surveillance system, and awareness. This study aims to describe human rabies in Brazil under the One Health perspective in recent decades, including achievements in the control of dog-mediated cases and challenges in human cases transmitted by wild animals.

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Background: Comorbidities such as obesity, hypertension, and diabetes are associated with COVID-19 development and severity, probably due to immune dysregulation; however, the mechanisms underlying these associations are not clear. The immune signatures of hypertensive patients with obesity with COVID-19 may provide new insight into the mechanisms of immune dysregulation and progression to severe disease in these patients.

Methods: Hypertensive patients were selected prospectively from a multicenter registry of adults hospitalized with COVID-19 and stratified according to obesity (BMI ≥ 30 kg/m²).

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Objective: To describe cases, deaths, and hospital mortality from covid-19 in children and adolescents in Brazil, according to age group, during the evolving phases of the pandemic in 2020 and 2021.

Methods: Census of patients aged up to 19 committed with severe acute respiratory syndrome, due to covid-19 or unspecified, notified to the Brazilian Influenza Epidemiological Surveillance Information System, from January 1, 2020, to December 31, 2021. The two years were divided into six phases, covering the spread of the disease-first, second and third wave-as well as the impact of vaccination.

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