1,491 results match your criteria: "Hospital de Clinicas de Porto Alegre HCPA.[Affiliation]"

Oscillatory ventilation enhances oxygenation and reduces inflammation in an animal model of acute respiratory distress syndrome: an experimental study.

Braz J Anesthesiol

November 2024

Universidade Federal do Rio Grande do Sul (UFRGS), Faculdade de Medicina, Programa de Pós-Graduação em Ciências Pneumológicas, Porto Alegre, RS, Brasil; Hospital de Clinicas de Porto Alegre (HCPA), Porto Alegre, RS, Brasil.

Article Synopsis
  • This study compares variable mechanical ventilation with conventional ventilation in pigs with ARDS caused by oleic acid.
  • The pigs were split into two groups, one receiving standard controlled pressure ventilation and the other undergoing variable ventilation with changing PEEP levels.
  • Results showed that variable ventilation improved lung compliance and overall oxygen levels, with less lung damage observed in the variable ventilation group, suggesting it may be a better strategy for protecting lungs in ARDS cases.
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Gut microbiota and gut-derived metabolites are altered and associated with dietary intake in women with polycystic ovary syndrome.

J Ovarian Res

November 2024

Postgraduate Program in Endocrinology and Metabolism, School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, 90035-003, Brazil.

Background: Disturbances in the gut microbiota may act as mechanisms influencing the interplay between dietary factors and metabolic disorders. Studies have demonstrated that these alterations are associated with the diagnosis of polycystic ovary syndrome (PCOS). Within this context, we aimed to investigate associations between gut microbiota, gut-derived metabolites (short-chain fatty acids [SCFAs] and indole-3-propionic acid [IPA]), and dietary intake in women with PCOS.

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Clinical and lifestyle predictors of loneliness: A two-year longitudinal study.

J Psychiatr Res

December 2024

Laboratory of Molecular Psychiatry, Centro de Pesquisa Experimental (CPE) and Centro de Pesquisa Clínica (CPC), Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil; Instituto Nacional de Ciência e Tecnologia Translacional em Medicina (INCT-TM), Porto Alegre, RS, Brazil; Universidade Federal do Rio Grande do Sul, School of Medicine, Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Porto Alegre, RS, Brazil. Electronic address:

Background: While loneliness is a global public health problem, the literature lacks studies assessing loneliness predictors in low- and middle-income countries. Therefore, we aimed to analyze clinical and lifestyle predictors of loneliness.

Methods: We conducted a 2-year longitudinal study in Brazil based on a snowball sample and online surveys (baseline: May 6 to June 6, 2020).

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Purpose: To compare the speech and voice patterns of myasthenia gravis (MG) patients over four years, and correlate the results with clinical aspects of the disease.

Methods: Data was collected for 4 years. The clinical assessment tools included the Quantitative Myasthenia Gravis (QMG) score, the Myasthenia Gravis Foundation of America (MGFA) clinical classification, and the Myasthenia Gravis Quality of Life 15-item Scale (MG-QoL).

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Psychometric properties of an online psychotherapy advantages and disadvantages instrument: Preliminary results of a multi-center pilot study.

Acta Psychol (Amst)

November 2024

Center of Clinical Research and Center of Experimental Research, Hospital de Clínicas de Porto Alegre (HCPA), Brazil; Graduation Program in Psychiatry and Behavioral Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Medical Faculty, Porto Alegre, Brazil; I-QOL: Innovations and interventions for quality-of-life research group, Brazil. Electronic address:

Unlabelled: We verified the need for instruments that could assess the perceptions of patients, therapists, and psychotherapy supervisors about online Psychotherapy.

Objectives: to Build a scale of advantages and disadvantages of online psychotherapy.

Method: A pilot cross-sectional multicenter sample collected from 2020 to 2021 of 129 patients, 20 therapists, and 35 supervisors.

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The community food environment as an effect modifier of the relationship between racial discrimination and food insecurity among adults in Southern Brazil.

Int J Equity Health

October 2024

Postgraduate Program in Food, Nutrition and Health, Universidade Federal do Rio Grande do Sul (UFRGS), Rua: Ramiro Barcelos 2400, Rio Branco, Porto Alegre, 90035-003, RS, Brazil.

Background: Racial discrimination is linked to unhealthy food environments and a higher prevalence of food insecurity. However, no study has explored their interrelated effects. We analyzed the relationship between racial discrimination, community food environment, and food insecurity in adults of different socioeconomic status.

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Assessing Mental Health During an Extreme Weather Event in Southern Brazil.

Trends Psychiatry Psychother

November 2024

Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, RS, Brazil. Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Rio Grande do Sul, RS, Brazil.

Objective: This study aimed to evaluate mental health factors in individuals affected by the floods in Rio Grande do Sul from May 10 to June 6, 2024.

Methods: A real-time survey was conducted with 1,552 participants. The Patient Health Questionnaire-9 (PHQ-9), Generalized Anxiety Disorder-7 (GAD-7), and Acute Stress Disorder (ASD) symptom checklist were used to assess mental health outcomes.

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Fabry disease (FD) is an X-linked recessive lysosomal storage disorder, characterized by a deficiency of α-galactosidase, which causes the progressive accumulation of glycosphingolipids, especially globotriaosylsphingosine (Gb3), in lysosomes across multiple organs. Substrate deposition, associated with tissue damage in FD, also contributes to the emergence of a pro-inflammatory state presented by some patients. We investigated pro- and anti-inflammatory cytokines, and the expression of inflammation-associated genes in treated FD patients, as well as oxidative parameters.

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Clinicogenetic characterization and response to disease-modifying therapies in spinal muscular atrophy: real-world experience from a reference center in Southern Brazil.

J Pediatr (Rio J)

January 2025

Programa de Pós-Graduação em Medicina: Ciências Médicas, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil; Hospital de Clínicas de Porto Alegre (HCPA), Grupo de Pesquisa em Neurogenética Clínica, Porto Alegre, RS, Brazil; Hospital de Clínicas de Porto Alegre (HCPA), Serviço de Neurologia, Porto Alegre, RS, Brazil; Hospital de Clínicas de Porto Alegre (HCPA), Serviço de Genética Médica, Porto Alegre, RS, Brazil; Departamento de Medicina Interna, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil. Electronic address:

Objective: Spinal Muscular Atrophy linked to chromosome 5q (SMA) is an autosomal recessive neurodegenerative disease characterized by progressive proximal muscle atrophy and weakness. This study addresses the scarcity of research on novel disease-modifying therapies for SMA in Latin America by reporting a real-world experience in Southern Brazil.

Methodology: This is a single-center historical cohort that included all patients diagnosed with spinal muscular atrophy at a Regional Reference Service for rare diseases.

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Effects of a high-protein, low-glycemic-index diet on body weight and waist circumference in late postmenopausal women: a randomized controlled trial.

Arch Endocrinol Metab

October 2024

Universidade Federal do Rio Grande do Sul Programa de Pós-graduação em Endocrinologia e Metabolismo Porto AlegreRS Brasil Programa de Pós-graduação em Endocrinologia e Metabolismo, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil.

Objective: To describe the secondary outcomes (weight loss, waist circumference [WC], and glycolipid profile) of a previous randomized controlled trial designed to investigate the impact of a high-protein, low-glycemic-index (GI) diet on lean body mass in late postmenopausal women.

Subjects And Methods: A total of 26 healthy women aged ≥ 65 years and with a mean body mass index (BMI) of 26.1 ± 3.

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Oral mucositis (OM) is a prevalent acute adverse effect of various cancer treatments. Accurate assessment of OM is vital for effective prevention and treatment strategies. However, a lack of validated pediatric instruments for evaluating OM can lead to unreliable data, and hinder interventional and epidemiological research.

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FLI and FIB-4 in diagnosing metabolic dysfunction-associated steatotic liver disease in primary care: High prevalence and risk of significant disease.

Ann Hepatol

October 2024

Graduate Program in Gastroenterology and Hepatology, School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, 90035-007, Rio Grande do Sul, Brazil; Experimental Laboratory in Hepatology and Gastroenterology, Hospital de Clinicas de Porto Alegre (HCPA), Porto Alegre, 90035-007, Rio Grande do Sul, Brazil; Department of Social Medicine, UFRGS, Porto Alegre, 90035-003, Rio Grande do Sul, Brazil.

Article Synopsis
  • This study investigates the prevalence and severity of metabolic dysfunction-associated steatotic liver disease (MASLD) in primary health care in Brazil, as there are currently no effective public health policies addressing it.* -
  • The research involved two phases: a retrospective analysis of 12,054 patients' health data and a prospective assessment of 350 randomly selected patients, revealing significant rates of dyslipidemia, hypertension, and obesity.* -
  • Results indicated that 62.1% of patients had MASLD-related metabolic features, suggesting a pressing need for public health policies to combat this liver disease epidemic and its associated risks.*
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Effects of sildenafil on gas exchange, ventilatory, and sensory responses to exercise in subjects with mild-to-moderate COPD: A randomized cross-over trial.

Respir Physiol Neurobiol

January 2025

Programa de Pós-Graduação em Ciências Pneumológicas, Universidade Federal do Rio Grande do Sul (UFRGS) & Unidade de Fisiologia Pulmonar, Hospital de Clínicas de Porto Alegre (HCPA), Brazil. Electronic address:

Article Synopsis
  • High ventilation relative to carbon dioxide output (V̇/V̇CO) leads to breathing difficulties and exercise limitations in chronic obstructive pulmonary disease (COPD) patients.
  • A study tested the effectiveness of oral sildenafil in improving exercise tolerance and reducing dyspnea in COPD patients, comparing it to a placebo after conducting cardiopulmonary exercise tests.
  • Results showed that sildenafil (both 50 mg and 100 mg doses) did not significantly enhance respiratory function or reduce exertional dyspnea in these patients, indicating it may not be a beneficial treatment option for this condition.
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Implementation of bedside medication preparation in intensive care: post-improvement cycle.

Rev Gaucha Enferm

October 2024

Universidade Federal do Rio Grande do Sul (UFRGS). Escola de Enfermagem e de Saúde Coletiva. Porto Alegre, Rio Grande do Sul, Brasil.

Objective: To assess the implementation of the bedside medication preparation process in an Intensive Care Unit, following a quality improvement cycle.

Method: A quasi-experimental study with non-paired samples, pre- and post-implementation, conducted in an Intensive Care Unit of a public hospital in southern Brazil, from September 2022 to April 2023, following the guidelines of the Standards for Quality Improvement Reporting Excellence 2.0.

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Background And Aim: Cirrhosis is characterized by structural and functional alterations of the liver. Melatonin (MLT) has antioxidant properties. Physical exercise (EX) can reverse muscle loss in cirrhotic patients.

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A systematic review and meta-analysis of the prevalence of Parkinson's disease in lower to upper-middle-income countries.

NPJ Parkinsons Dis

September 2024

Programa de Pós-Graduação em Ciências Médicas, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.

Article Synopsis
  • Parkinson's disease (PD) is increasingly recognized as a public health issue, particularly in lower-income countries where data is limited.
  • A systematic review of literature identified 57 relevant studies from various regions, revealing significant geographical differences in PD prevalence, with numbers ranging from 49 to 1081 per 100,000 population.
  • The study found that PD prevalence increases with age and is influenced by socioeconomic factors such as GDP per capita, highlighting the need for better data collection and standardized methodologies across different populations.
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The debate on antifibrinolytics in liver transplantation: always, never, or sometimes?

Braz J Anesthesiol

September 2024

Santa Casa de Porto Alegre, Serviço de Anestesia, Porto Alegre, RS, Brazil; Faculdade de Medicina da Universidade de São Paulo (FMUSP), Programa de Pós-graduação em Anestesiologia, Ciências Cirúrgicas e Medicina Perioperatória, São Paulo, SP, Brazil; Hospital de Clínicas de Porto Alegre (HCPA), Serviço de Anestesia e Medicina Perioperatória, Porto Alegre, RS, Brazil; Hospital Nossa Senhora da Conceição, Serviço de Anestesia, Porto Alegre, RS, Brazil; Universidade Federal do Rio Grande do Sul (UFRGS), Programa de Pós-graduação em Ciências Pneumológicas, Porto Alegre, RS, Brazil; Universidade Federal do Rio Grande do Sul (UFRGS), Programa de Pós-graduação em Ciências Cirúrgicas, Porto Alegre, RS, Brazil. Electronic address:

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The burden of pre-operative anaemia and postoperative outcomes in 15 166 surgical patients from a public hospital in Brazil: A retrospective cohort study.

Eur J Anaesthesiol

January 2025

From the Programa de Pós-Graduação em Medicina: Ciências Médicas, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil (CM, PCSN, LS, LCS), Biostatistics Unit - Research Unit (DIPE), Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil (RBB), Anaesthesia and Perioperative Medicine Service, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil (IS, CSP, AW, LCS), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil (MB), Department of Internal Medicine, School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil (LS), Department of Surgery, School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil (LCS).

Background: Preoperative anaemia is associated with poor postoperative outcomes; however, few studies have reported its prevalence in developing countries and its association with significant postoperative outcomes.

Objective: We aimed to identify the prevalence of anaemia and its association with postoperative outcomes in a major public hospital in Brazil.

Design: Retrospective cohort study.

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Emotion Comprehension and Socio-cognitive Skills in Children with High Functioning Autism Spectrum Disorders.

Trends Psychiatry Psychother

September 2024

Programa de Pós-Graduação de Ciências Médicas, Universidade do Vale do Taquari (UNIVATES), Lajeado, RS, Brazil.

Background And Objectives: This study aimed to compare socio-cognitive skills and emotion comprehension between children with Autism Spectrum Disorder (ASD) and children with neurotypical development.

Methods: This quantitative, cross-sectional, controlled study involved 19 children in each group, matched by age (6-12 years) and sex. The assessments examined cognitive aspects (Intelligence Quotient was assessed using the Vocabulary and Matrix Reasoning subtests; working memory using the digit span and letter-number sequencing subtests; attention using the Continuous Performance Test - Identical Pairs; and executive functions using the Trail Making Test), social functions (Children's Social Skills, Behavior Problems, and Academic Competence Inventory), and emotion comprehension (language was assessed using the Strange Stories Test; emotional facial expressions using the digital emotion comprehension test; emotional/affective prosody using the Profiling Elements of Prosody in Speech-Communication - Brazilian Portuguese adapted version).

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The present study examined the medium- and long-term effects of early environmental enrichment (EE) on neuromotor, nociceptive, cognitive, behavioral, and neurochemical parameters in newborn rats repeatedly exposed to morphine. The study employed 90 Wistar rats: 10 adult nulliparous females and 80 male pups. Litter was split into standard and EE housing.

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Article Synopsis
  • Problematic gaming (PG) is a mental health issue linked to negative outcomes, with a focus on its potential connection to psychotic experiences (PE), which is not well-researched.
  • A study conducted with a large group of Brazilian adolescents (ages 13-21) revealed that those with PG reported higher levels of PE compared to those without PG, even after controlling for other factors like psychiatric disorders.
  • The findings suggest that there may be shared underlying mechanisms between PG and PE, indicating a need for further research in this area.
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Objective: To determine the correlation of conventional and diffusion-weighted imaging findings on magnetic resonance imaging (MRI) of the brain, based on Visually AcceSAble Rembrandt Images (VASARI) criteria, with the histopathological grading of gliomas: low-grade or high-grade.

Materials And Methods: Preoperative MRI scans of 178 patients with brain gliomas and pathological confirmation were rated by two neuroradiologists for tumor size, location, and tumor morphology, using a standardized imaging feature set based on the VASARI criteria.

Results: In the univariate analysis, more than half of the MRI characteristics evaluated showed a significant association with the tumor grade.

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Idiopathic popliteal artery pseudoaneurysms are exceedingly rare, posing significant diagnostic challenges due to their elusive etiology. This report presents the case of a 78-year-old female with no history of trauma or orthopedic procedures who was diagnosed with a large pulsatile mass in the right popliteal fossa. Arteriography confirmed a popliteal artery pseudoaneurysm.

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Knowledge, Attitudes, Practices, and Perceptions of Brazilian Dentists About Oral Cancer.

J Cancer Educ

September 2024

Department of Oral Pathology, School of Dentistry, Universidade Federal do Rio Grande Do Sul (UFRGS), Rua Ramiro Barcelos 2492/503, Bairro: Santana, Porto Alegre, Rio Grande do Sul, 90035-003, Brazil.

Dentists play a pivotal role in the early detection of oral cancer. Consequently, they are expected to possess the knowledge and the capability to recognize the features of this disease. The objective of the study is to evaluate dentists from different regions of Brazil regarding their level of knowledge and self-confidence regarding oral cancer.

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Context: Polycystic ovary syndrome (PCOS) is often linked with obesity, and weight management can improve endocrine and cardiometabolic features.

Objective: To evaluate the effects of adding topiramate (TPM) to metformin (MTF) on weight control, hormonal and metabolic outcomes in women with PCOS.

Methods: In a randomized, double-blind, placebo-controlled trial, participants with PCOS and body mass index ≥30 kg/m² or ≥27 kg/m² associated with hypertension, type 2 diabetes, or dyslipidemia followed a 20 kcal/kg diet in addition to 850 mg of MTF or a previous MTF regimen.

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