Publications by authors named "Carvalho B"

Pseudomonas aeruginosa is an emergent threat due to the antimicrobial resistance crisis. Bacteriophages (phages) are promising agents for phage therapy approaches against P. aeruginosa.

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Objective: To compare the spatio-temporal distribution of cutaneous leishmaniasis (CL) cases with mucosal leishmaniasis (ML) cases in the state of Rio de Janeiro (RJ) between 2001 and 2011.

Method: The incidence rates (IR) of CL and ML were calculated for the cases notified between 2001-2011 in the Information System of Notifiable Diseases for Rio de Janeiro (RJ, and for the municipalities of Rio de Janeiro and Angra dos Reis, with georeferencing and construction of thematic maps. A negative binomial regression model was used to assess the temporal dependency between CL and ML.

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Background: The Amazon Rainforest, a paramount source of global biological diversity, faces challenges due to its understudied species richness, an insufficient investment in research and escalating rates of deforestation. Thus, acquiring additional data, especially for species distributions is crucial to fill knowledge gaps and guide forthcoming research and conservation initiatives in areas that have been inadequately sampled. This study contributes to addressing these challenges by offering new insights into the diversity and distribution of species in the Brazilian Amazon.

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Children growing up with alcohol-dependent parents have elevated risk for adverse childhood experiences (ACEs), but few studies have assessed the adverse effects of occasional or frequent exposure to parental intoxication episodes. This study examined whether such exposure was associated with increased risk of ACEs and negative psychological reactions (NPRs) in adolescence and young adulthood. The study relied on cross-sectional and longitudinal data from the Trøndelag Health Study in Norway and included 2,230 adolescents (ages 13-19 years) followed up 11 years later.

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Growing evidence has indicated a potential association between maternal consumption of caffeine and impaired cognition and behavior in rodent offspring. However, potential sex differences, as well as caffeine-related effects in subsequent generations are still poorly investigated. We aimed to investigate the impact of pre-and/or neonatal exposition to caffeine on the neurodevelopment of male and female mice offspring.

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  • A meta-analysis was conducted to compare lesion detection rates in Multiple Sclerosis between Double Inversion Recovery (DIR) and T2-FLAIR imaging techniques, focusing on 3D acquisition methods.
  • Data was gathered from multiple medical databases, assessing various studies that met strict inclusion criteria to ensure relevance and accuracy.
  • The analysis revealed that DIR significantly outperformed T2-FLAIR in detecting intracortical and infratentorial lesions, while results for total cortical lesions did not show significant differences between the two methods.
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Introduction: Shivering affects 52 % of patients undergoing caesarean delivery under neuraxial anaesthesia. Despite extensive research focused on its prevention, there is still no consensus regarding optimal pharmacological treatment. This systematic review and network meta-analysis aims to compare available intravenous treatments of perioperative shivering in patients undergoing caesarean delivery under neuraxial anaesthesia.

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Background/objectives: School nurses are capable of fostering safe and healthy school environments that are favorable to quality learning and social interactions. To this end, it is essential that they acquire a set of skills needed to implement bullying intervention programs. This article describes the protocol for a scoping review to identify and map the core competences for school nurses to develop anti-bullying strategies.

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  • The study aimed to improve vaginal birth experiences by using non-invasive methods like aromatherapy, specifically testing the effects of Citrus sinensis L. (sweet orange) essential oil on pain and anxiety during labor.
  • A randomized clinical trial involving 84 pregnant women compared the effects of inhaling sweet orange oil versus a placebo, assessing pain intensity and anxiety levels, along with physiological metrics.
  • Results indicated that the aroma significantly reduced both pain and anxiety in labor, particularly for first-time mothers, suggesting it could be effectively incorporated into labor practices.
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The genome of esophageal adenocarcinoma (EAC) is highly unstable and might evolve over time. Here, we track karyotype evolution in EACs in response to treatment and upon recurrence through multi-region and longitudinal analysis. To this end, we introduce L-PAC (low-purity inference of absolute copy-number alterations [CNAs]), a bio-informatics technique that allows inference of absolute CNAs of low-purity samples by leveraging the information of high-purity samples from the same cancer.

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The scaffold protein PEAK1 acts downstream of integrin adhesion complexes and the epidermal growth factor receptor, orchestrating signaling events that control cell proliferation and cytoskeletal remodeling. In this study we investigated the role of PEAK1 in colorectal carcinoma (CRC) progression using various in vitro and in vivo models to replicate the stepwise pathogenesis of CRC. While we observed a cell-type specific role for PEAK1 in the proliferation and in human CRC cell lines in vitro, our in vivo experiments using different CRC mouse models driven by loss of Apc, with or without oncogenic Kras or Pten loss suggest that PEAK1 does not significantly contribute to tumor formation in vivo.

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In recent years, the use of electronic cigarettes (e-cigs) has increased. However, their long-term effects on oral health and saliva remain poorly understood. Therefore, this study aimed to evaluate the saliva of e-cig users and investigate possible biomarkers.

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Pain management in pregnant and postpartum people with an opioid-use disorder (OUD) requires a balance between risks associated with opioid tolerance, including withdrawal or return to opioid use, considerations around social needs of the maternal-infant dyad, and the provision of adequate pain relief for the birth episode that is often characterized as the worst pain a person will experience in their lifetime. This multidisciplinary consensus statement between the Society for Obstetric Anesthesia and Perinatology (SOAP), Society for Maternal-Fetal Medicine (SMFM), and American Society of Regional Anesthesia and Pain Medicine (ASRA) provides a framework for pain management in obstetric patients with OUD. The purpose of this consensus statement is to provide practical and evidence-based recommendations and is targeted to health care providers in obstetrics and anesthesiology.

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Background Variability in obstetric anaesthetia practice and care delivered within the UK is under-explored. The ObsQoR study explored structures, processes, and outcomes of obstetric anaesthesia in 107 hospitals within the UK's National Health Service, and the results of the hospital-level survey are reported here. Methods Hospitals were surveyed to assess obstetric anaesthesia provision, practice, and care delivery.

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Glioblastoma is a challenge in neuro-oncology, with survival significantly influenced mainly by the extent of resection and molecular markers. Despite advancements, the prognosis for IDH-wildtype glioblastoma remains poor, particularly when surgical resection is not possible. However, some patients exhibit unexpectedly extended survival despite the extent of resection.

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Background: Sarcopenia is a prevalent condition associated with worse clinical outcomes in hospitalized patients. The SARC-CalF is an accurate instrument for its screening; however, it includes the calf circumference (CC) measure as a criterion, which is influenced by adiposity. An adjustment for CC based on body mass index (BMI) has been proposed, but the literature lacks studies evaluating the SARC-CalF using adjusted CC.

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Objectives: The purpose of this study was to measure the association between the level of physical activity and sedentary conditions with anthropometric measurements of children and adolescents.

Methods: This cross-sectional descriptive study consisted of a convenience sample of 400 children and adolescents from public schools in Itapevi-SP, Brazil. The Physical Activity Checklist Interview or LAF "Lista de Atividades Físicas" in a Brazilian version, was administered in a face-to-face interview on a school day and allowed assessment of sedentary behavior and physical activity on the previous day.

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  • * A study analyzed 200 individuals with Lynch syndrome to assess the effectiveness of faecal VOCs, both alone and in combination with FIT, in identifying relevant colorectal neoplasia before and after colonoscopy.
  • * Results indicated high sensitivity and negative predictive values for detecting colorectal cancer and advanced adenomas using VOC analysis, suggesting that faecal VOCs could guide optimal colonoscopy intervals and improve patient monitoring following polypectomy.
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  • A systematic review and meta-analysis assessed how accurately Artificial Intelligence (AI) diagnoses approximal carious lesions on bitewing radiographs, using data from multiple controlled trials.
  • Out of 2,442 studies, 21 met criteria, revealing AI's pooled sensitivity at 0.94 and specificity at 0.91, indicating it is good at finding caries and excluding healthy teeth.
  • While AI shows promise in initial screening for caries detection, dental professionals should confirm positive findings to avoid unnecessary treatments and ensure accurate diagnosis.
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2D dilute magnetic semiconductors (DMS) based on transition metal dichalcogenides (TMD) offer an innovative pathway for advancing spintronic technologies, including the potential to exploit phenomena such as the valley Zeeman effect. However, the impact of magnetic ordering on the valley degeneracy breaking and on the enhancement of the optical transitions g-factors of these materials remains an open question. Here, a giant effective g-factors ranging between ≈-27 and -69 for the bound exciton at 4 K in vanadium-doped WSe monolayers, obtained through magneto-photoluminescence (PL) experiments is reported.

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Ovarian cancer is a leading cause of death for women worldwide in part due to ineffective screening methods. In this study, we used whole-genome cell-free DNA (cfDNA) fragmentome and protein biomarker (CA-125 and HE4) analyses to evaluate 591 women with ovarian cancer, benign adnexal masses, or without ovarian lesions. Using a machine learning model with the combined features, we detected ovarian cancer with specificity >99% and sensitivity of 72%, 69%, 87%, and 100% for stages I-IV, respectively.

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The efficient recognition of symptoms in viral infections holds promise for swift and precise diagnosis, thus mitigating health implications and the potential recurrence of infections. COVID-19 presents unique challenges due to various factors influencing diagnosis, especially regarding disease symptoms that closely resemble those of other viral diseases, including other strains of SARS, thus impacting the identification of useful and meaningful symptom patterns as they emerge in infections. Therefore, this study proposes an association rule mining approach, utilising the Apriori algorithm to analyse the similarities between individuals with confirmed SARS-CoV-2 diagnosis and those with unspecified SARS diagnosis.

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Systemic lupus erythematosus (SLE) is a chronic autoimmune disease that can affect various organs and systems. Symptoms of SLE can vary widely from person to person and over time, including fatigue, joint pain, skin rashes, fever, and inflammation of multiple organs. The association between SLE and excess body weight has been the subject of study, with evidence suggesting that overweight and obesity can worsen the disease´s clinical presentation.

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