Publications by authors named "Guimaraes F"

Erdheim-Chester disease (ECD) is a rare, multisystemic, non-Langerhans cell histiocytic neoplasm predominantly affecting middle-aged males in their fifth to seventh decades of life. It often presents with nonspecific symptoms, leading to a delay in its diagnosis. We report a case of an 85-year-old male with multisystemic manifestations, including retroperitoneal, skeletal, vascular, cardiac, orbital, and central nervous system (CNS) involvement.

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Background: Assessing functional capacity in hospitalized patients with COVID-19 may have been neglected due to a great demand for resources at the height of pandemic and the lack of specific assessment instruments for this population.

Objectives: To identify the instruments used to evaluate functional capacity in COVID-19 patients hospitalized in COVID-19 wards and ICUs and the associations between use of assessment instruments and physiotherapist characteristics METHODS: The survey was conducted using REDCap web-based application, following the Consensus-Based Checklist for Reporting of Survey Studies guidelines. A non-probability recruitment approach aimed at physiotherapists who had treated hospitalized patients with COVID-19 in Brazil.

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Chronic use of typical antipsychotics can lead to varying motor effects depending on the timing of analysis. Acute treatment typically induces hypokinesia, resembling parkinsonism, while repeated use can result in tardive dyskinesia, a hyperkinetic syndrome marked by involuntary orofacial movements, such as vacuous chewing movements in mice. Tardive dyskinesia is particularly concerning due to its potential irreversibility and associated motor discomfort.

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Spontaneous subcapsular renal hematoma is a rare condition defined as spontaneous hemorrhage confined to the subcapsular and/or perirenal space. Its etiology can vary, ranging from renal tumors to vascular diseases, renal cysts, or infections. Here, we report the case of a 54-year-old male who presented to the emergency department with a two-day history of abdominal pain and fever.

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Introduction: Systemic Lupus Erythematosus (SLE) patients exhibit B-cell abnormalities. Although there are concerns about reduced antibody responses to SARS-CoV-2 vaccines, detailed data on B-cell-specific responses in SLE remain scarce. Understanding the responsiveness to novel vaccine-antigens, and boosters number, is important to avoid unnecessary prolonged isolation of immunocompromised individuals.

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Cannabidiol (CBD), the major non-psychotomimetic compound of the Cannabis sativa plant, has shown promising effects in addressing various symptoms associated with autism spectrum disorder (ASD). This neurodevelopmental disorder typically impacts cognitive, behavioral, social communication, and motor skills domains. However, effective treatments for the wide range of symptoms associated with the disorder are limited and may trigger undesirable effects.

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  • - The study focused on optimizing the placement of storage yards in Amazonian native forests to reduce costs and environmental impact, utilizing a mathematical model in a 3556.27 ha area with 16,425 trees.
  • - Two models were analyzed: Model A without penalties and Model B with fictional cost penalties to limit excessive storage yard openings; Model B demonstrated a 27.3% reduction in the number of yards while maintaining effective wood storage.
  • - Results indicated that implementing cost penalties improved distribution efficiency and minimized environmental effects, suggesting the applicability of these models for companies practicing sustainable forest management.
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  • The text suggests using fuzzy logic and Karl Popper's idea of verisimilitude to better understand the complexity of psychiatric disorders, which don't fit into simple true/false categories.
  • It highlights the need to accept imprecision and gather comprehensive data to gain a deeper insight into these disorders, emphasizing that the ability to disprove ideas is essential for scientific development.
  • The authors advocate for a personalized approach to psychiatric classification and stress the importance of ongoing data collection to support innovations like artificial intelligence in updating current psychiatric practices.
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  • Interstitial lung disease (ILD) is prevalent in rheumatoid arthritis (RA) and linked to higher mortality; this study assesses antifibrotics nintedanib and pirfenidone's real-world effectiveness and safety in RA-ILD patients.
  • A multicenter observational study included 40 RA-ILD patients, primarily treated with nintedanib; data on demographics, pulmonary function tests (PFTs), and adverse events (AEs) were collected and analyzed.
  • Results showed that antifibrotics halted the decline in forced vital capacity (FVC) and total lung capacity (TLC) after initiation, but diffusion capacity continued to decline, with 40% of patients experiencing adverse events.
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Individuals with schizophrenia (SCZ) often present sensorimotor gating impairments that can be investigated by the prepulse inhibition test (PPI). PPI disruption can be mimicked experimentally with psychostimulants such as amphetamine and attenuated/reversed by antipsychotics. Cannabidiol (CBD), the main non-psychotomimetic component of the Cannabis sativa plant, produces antipsychotic-like effects in clinical and preclinical studies.

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Background: Although vortioxetine demonstrates superior efficacy relative to placebo, there is still a lack of robust evidence to determine whether it offers advantages over commonly prescribed antidepressants for treating major depressive disorder (MDD). Thus, we aimed to perform a systematic review and meta-analysis comparing vortioxetine vs reuptake inhibitors in adults with MDD, analyzing two classes separately: (i) vortioxetine vs SSRIs and (ii) vortioxetine vs SNRIs.

Methods: We searched MEDLINE, Embase, and Cochrane Library databases for randomized controlled trials comparing vortioxetine with SSRIs or SNRIs in adults with a primary diagnosis of MDD following standardized diagnostic criteria.

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Background: Stress has become a common public health concern, contributing to the rising prevalence of psychiatric disorders. Understanding the impact of stress considering critical variables, such as age, sex, and individual differences, is of the utmost importance for developing effective intervention strategies.

Methods: Stress effects (daily footshocks for 10 days) during adolescence (postnatal day [PND] 31-40) and adulthood (PND 65-74) were investigated on behavioral outcomes and parvalbumin (PV)-expressing GABAergic interneurons and their associated perineuronal nets (PNNs) in the prefrontal cortex of male and female mice 5 weeks post stress.

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  • - The study aimed to identify factors that predict the occurrence of myositis in patients with mixed connective tissue disease (MCTD) using a large, multicenter analysis of adult-onset cases.
  • - Out of 98 patients studied, nearly 44% had myositis, with a significant portion experiencing it at onset, and common symptoms included proximal muscle weakness and gastrointestinal/respiratory involvement.
  • - Independent predictors for myositis included fever, African ancestry, leukopenia at onset, and younger age at diagnosis, suggesting these should be considered in clinical evaluations for myositis in MCTD patients.
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Objectives: In this study, we aimed to systematically review the literature of the prevalence of systemic antibacterial use during pregnancy and to perform a descriptive analysis focused on methodological characteristics.

Materials And Methods: This study was registered in PROSPERO under protocol number CRD42022376634. Medline, Embase, Scientific Electronic Library Online, Biblioteca Virtual em Saúde, Cumulative Index to Nursing and Allied Health Literature, and Web of Science databases were searched (published studies until November 3rd, 2022).

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Immune checkpoint inhibitors (ICIs), such as pembrolizumab, have transformed immuno-oncology by demonstrating efficacy against various cancers, including small-cell lung carcinoma and HER2-positive gastric cancer. Despite their benefits, ICIs can provoke immune-related adverse events, with endocrinopathies being rare but carrying significant complications. We report a case of pembrolizumab-induced diabetic ketoacidosis (DKA) in an 87-year-old woman with advanced gastric carcinoma and no prior diabetes history.

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Background: Throughout a three-year study period, 1,577 bovine clinical mastitis samples and 302 bulk tank samples were analyzed from ten Brazilian dairy herds. Enterococcus spp. was isolated and identified in 93 (5.

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Autism spectrum disorders (ASDs) are characterized by core behavioral symptoms in the domains of sociability, language/communication, and repetitive or stereotyped behaviors. Deficits in the prefrontal and hippocampal excitatory/inhibitory balance due to a functional loss of GABAergic interneurons are proposed to underlie these symptoms. Increasing the postsynaptic effects of GABA with compounds that selectively modulate GABAergic receptors could be a potential target for treating ASD symptoms.

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  • The study focused on creating models to predict the need for invasive mechanical ventilation (IMV) in ICU patients with COVID-19, comparing their efficacy to the existing ROX index.
  • Conducted in three hospitals in Rio de Janeiro, Brazil, the study analyzed data from 656 ICU patients, ultimately including 346 after applying various exclusion criteria.
  • Key predictors for IMV identified were arterial hypertension, diabetes, obesity, and the SOFA score, with the SOFA score showing the strongest association; the ROX index was also notably lower in patients needing IMV.
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Background: Psychiatric disorders often emerge during late adolescence/early adulthood, a period with increased susceptibility to socioenvironmental factors that coincides with incomplete parvalbumin interneuron (PVI) development. Stress during this period causes functional loss of PVIs in the ventral hippocampus (vHip), which has been associated with dopamine system overdrive. This vulnerability persists until the appearance of perineuronal nets (PNNs) around PVIs.

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Purpose: Currently, inguinal hernias are highly prevalent in the Brazilian population, accounting for 75% of all abdominal wall hernias. The recommended treatment to correct them is inguinal herniorrhaphy, which can be performed through open surgery, mainly using the Lichtenstein technique, or laparoscopically, primarily through Transabdominal Preperitoneal Repair (TAPP) or Total Extraperitoneal Repair (TEP) approaches. Like any surgery, these procedures have post-operative complications, with pain being the most common and debilitating.

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Cannabidiol (CBD) is a major phytocannabinoid in the Cannabis sativa plant. In contrast to Δ-tetrahydrocannabinol (THC), CBD does not produce the typical psychotomimetic effects of the plant. In addition, CBD has attracted increased interest due to its potential therapeutic effects in various psychiatric disorders, including schizophrenia.

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Anxiety disorders are highly prevalent psychiatric disorders, characterized by a chronic course and often accompanied by comorbid symptoms that impair functionality and decrease quality of life. Despite advances in basic and clinical research in our understanding of these disorders, currently available pharmacological options are associated with limited clinical benefits and side effects that frequently lead to treatment discontinuation. Importantly, a significant number of patients do not achieve remission and live with lifelong residual symptoms that limit daily functioning.

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Cannabidiol (CBD) is one of over 200 cannabinoids present in the Cannabis plant. Unlike the plant's primary cannabinoid, delta-9-tetrahydrocannabinol (THC), CBD does not produce psychotomimetic effects nor induce dependence. Initially considered an inactive cannabinoid, interest in its pharmacological properties and therapeutic potential has grown exponentially over the last 20 years.

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About one-third of major depressive disorder (MDD) patients demonstrate unresponsiveness to classic antidepressants, and even the clinical efficacy of fast-acting drugs such as ketamine varies significantly among patients with treatment-resistant depression. Nevertheless, the lack of suitable animal models that mimic a possible ketamine-resistant phenotype challenges the understanding of resistance to drug treatment. In this study, we showed that PI3Kγ knock-out (KO) mice do not respond to classical doses of ketamine and classical antidepressants.

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