Publications by authors named "Coelho V"

Immunocompromised individuals were considered high-risk for severe disease due to SARS COV-2 infection. This study aimed to describe the safety of two doses of COVID-19 adsorbed inactivated vaccine (CoronaVac; Sinovac/Butantan), followed by additional doses of mRNA BNT162b2 (Pfizer/BioNTech) in immunocompromised (IC) adults, compared to immunocompetent/healthy (H) individuals. This phase 4, multicenter, open label study included solid organ transplant and hematopoietic stem cell transplant recipients, cancer patients and people with inborn errors of immunity with defects in antibody production, rheumatic, end-stage chronic kidney or liver disease, who were enrolled in the IC group.

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Introduction: Laterality judgement evaluates the capacity to differentiate between the left and right sides of bodily parts. Cortical body representations are impaired in various musculoskeletal conditions, yet this remains unexplored in individuals with patellofemoral pain (PFP).

Objective: This study compared laterality judgement performance between individuals with PFP and asymptomatic controls.

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  • Exposure to organophosphorus compounds, like chlorpyrifos (CPF), can lead to various health issues affecting the brain and heart, primarily due to the inhibition of the enzyme acetylcholinesterase (AChE).
  • In a study on rats, intermittent CPF treatment was found to increase anxiety and impair motor functions, but it did not significantly affect depression symptoms or fear responses after a washout period.
  • Measurement of AChE activity showed significant reductions in key brain areas, indicating a link between CPF exposure and neurotoxicity, particularly at higher doses.
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Objective: To evaluate whether the presence of dental caries in the primary anterior teeth of 1- and 2-year-old babies can predict the occurrence of severe dental caries in the primary posterior teeth of these children after a 3-year follow-up.

Methodology: This cohort study was carried out with 99 children and their guardians who were assessed at the beginning of the study and reassessed after 3 years. Severe caries in posterior tooth at the 3-year follow-up is the dependent variable.

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  • The review focused on identifying phenolic compounds in pitayas (dragon fruit) through literature published from 2013 to 2023.
  • After analyzing 601 studies, 57 were selected, revealing that these compounds have health benefits such as antioxidant and anti-inflammatory properties, as well as potential treatments for cancer, diabetes, and obesity.
  • Key findings included the prevalence of flavonoids like kaempferol and rutin, plus various acids and betalains, hinting at their use as natural colorants in the food industry and suggesting the need for more research on their nutritional benefits.
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Purpose: Carbon fiber-reinforced polyetheretherketone (CFR-PEEK) instrumentation is being used more frequently in the spinal oncology landscape. Better visualization with this material allows for more precise postoperative stereotactic body radiation therapy (SBRT) planning using either computed tomography (CT)-myelography or magnetic resonance imaging (MRI) studies. We compared the dosimetric planning equivalencies and outcomes.

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Background: Despite the growing number of elderly kidney transplant (Ktx) recipients, few studies have examined the effects of immunosuppression on their lymphocyte profiles.

Methods: We evaluated the early conversion from mycophenolate sodium (MPS) to everolimus (EVL) after rabbit antithymocyte globulin (rATG) 2 mg/kg induction in elderly kidney recipients. Three groups of KTx patients were compared: (a) Young (n=20, 36 ± 7 y) receiving standard immunosuppression (Group A1) (prednisone, tacrolimus, and MPS), (b) Elderly (n=35, 65 ± 3 y) receiving standard immunosuppression (Group B1), and (c) Elderly (n=16, 65 ± 3 y) with early (mean 30 d) conversion from MPS to EVL (Group B2).

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  • Spine metastases significantly affect cancer care, and a common treatment approach involves surgery followed by stereotactic body radiotherapy (SBRT); the study compares Carbon fiber-reinforced polyetheretherketone (CFR-PEEK) spinal instrumentation with titanium instrumentation in patients undergoing spinal fusion for metastatic disease.
  • A retrospective review of oncology patients from 2012 to 2023 matched 99 CFR-PEEK cases with 50 titanium cases based on tumor type and spinal instability neoplastic score (SINS), analyzing various outcomes including complications and progression-free survival (PFS).
  • Results indicated similar complication rates between CFR-PEEK and titanium groups, but CFR-PEEK patients experienced earlier local recurrence detection; further long-term studies are
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Dental associations worldwide recommend that the first dental visit should take place before 12 months of age; however, preschoolers' utilization of dental services remains low. The aim of this study was to assess the prevalence of, and factors associated with, dental services utilization among children aged 1 to 3 years. This was a cross-sectional study carried out in the city of Diamantina, MG, Brazil, and involved a sample of 308 child-mother pairs.

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The diagnostic assessment of thyroid nodules is hampered by the persistence of uncertainty in borderline cases and further complicated by the inclusion of noninvasive follicular tumor with papillary-like nuclear features (NIFTP) as a less aggressive alternative to papillary thyroid carcinoma (PTC). In this setting, computational methods might facilitate the diagnostic process by unmasking key nuclear characteristics of NIFTP. The main aims of this work were to (1) identify morphometric features of NIFTP and PTC that are interpretable for the human eye and (2) develop a deep learning model for multiclass segmentation as a support tool to reduce diagnostic variability.

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Further research is needed to clarify the association of the different forms of bullying with social anxiety and social withdrawal over time in adolescents. This two-wave panel study with a 1-year time lag (October 2021-October 2022) examined the cross-lagged relationships between bullying victimization and bullying perpetration, social anxiety (i.e.

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Objective: This study evaluates the impact of L4-L5 minimally invasive surgery (MIS)- transforaminal lumbar interbody fusion (TLIF) on adjacent-level parameters.

Methods: This is a retrospective study performed on consecutive patients between January 2015 and December 2019. The index- and adjacent-level segmental lordosis (SL) and disc angle (DA) were measured.

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Imposter phenomenon is described as persistently doubting one's accomplishments, leading to an internalised fear of being exposed as a 'fraud'. This article identifies the nature and prevalence of imposter phenomenon among nursing students, newly registered nurses and senior nurses. It also explores the effects of this phenomenon for nurses and healthcare organisations, including its potential association with burnout, suboptimal performance and a lack of career development.

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Objective: To analyze the transmission dynamics of dengue, a public health problem in Brazil and the Metropolitan Region of Belo Horizonte (MRBH).

Methods: The spatiotemporal evolution of the occurrence of dengue in the municipality of Contagem, state of Minas Gerais, a region with high arbovirus transmission, was analyzed. Furthermore, epidemic and non-epidemic periods were analyzed, based on probable cases of dengue.

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This work incorporated bioactives extracted from jabuticaba peel in the form of concentrated extract (JBE) and microencapsulated powders with maltodextrin (MDP) and gum arabic (GAP) in a dairy drink, evaluating its stability, in vitro bioaccessibility, and glycemic response. We evaluated the pH, acidity, colorimetry, total phenolics and anthocyanins, antioxidant capacity, degradation kinetics and half-life of anthocyanins, bioaccessibility, and postprandial glycemic physicochemical characteristics response in healthy individuals. The drinks incorporated with polyphenols (JBE, GAP, and MDP) and the control dairy drink (CDD) maintained stable pH and acidity over 28 days.

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  • Patellofemoral pain is common among active individuals, impacting daily activities and possibly impairing movement due to altered proprioception.
  • The study included 48 patients, focusing on the relationship between their pain intensity, duration, disability, proprioception (measured through joint position sense), and physical performance in specific tests.
  • Results showed that while pain and disability affected balance performance (Y-Balance Test), they did not correlate with proprioceptive acuity or performance in the Single-Leg Triple-Hop Test.
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Introduction: A characteristic of the COVID-19 pandemic has been the sequential emergence and global dissemination of SARS-CoV-2 variants, noted for their enhanced transmission efficiency. These variants with mutations in the Spike glycoprotein (S-glycoprotein), which interacts with ACE2 receptors in human cells is critical for infection, affects the transmissibility of the virus, which is a matter of great concern for public health.

Objective: This research analyses the effects these variants on a cohort of vaccinated and naturally infected individuals from the cities of Macaé-RJ, Rio das Ostras-RJ, and Campos dos Goytacazes-RJ, Brazil, from March 2021 to March 2023.

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Autism spectrum disorder (ASD) is characterized by impairments in many functional areas requiring long-term interventions to promote autonomy. This study aims to map The Sensory Profile™ 2 (SP-2), one of the most widely used assessment tools in children with ASD, with the International Classification of Functioning, Disability and Health for Children and Youth (ICF-CY), developed by the World Health Organization (WHO). This will allow the identification of the functional dimensions covered by this instrument and the comparison with the ICF shortlist proposed for autism (ICF Core Set [ICF-CS]).

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Introduction: Post-COVID-19 condition (PCC) is characterised by a plethora of symptoms, with fatigue appearing as the most frequently reported. The alterations that drive both the persistent and post-acute disease newly acquired symptoms are not yet fully described. Given the lack of robust knowledge regarding the mechanisms of PCC we have examined the impact of inflammation in PCC, by evaluating serum cytokine profile and its potential involvement in inducing the different symptoms reported.

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Purpose: Frailty is common in older patients with chronic kidney disease (CKD) and has been considered an independent risk factor for adverse clinical outcomes in this population. CKD-associated mineral and bone metabolism (CKD-MBD) increases energy expenditure and causes malnutrition and inflammation leading to frailty. We investigated whether CKD-MBD markers and energy metabolism are associated with frailty in patients with advanced CKD on conservative management.

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  • Endometriosis is associated with elevated levels of soluble MICA (sMICA), which hinders the activity of natural killer (NK) cells, leading to decreased immune response.
  • Researchers measured sMICA in serum and peritoneal fluid and assessed NK cell function, discovering that higher sMICA levels correlate with advanced endometriosis and impaired NK cell effectiveness.
  • The study suggests that sMICA plays a significant role in the progression of endometriosis by causing defects in NK cell activity and contributing to the persistence of ectopic endometrial tissue.
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To compare the dusting fragmentation modes with thulium fiber laser (TFL) in retrograde intrarenal surgery (RIRS) for upper tract stones using the same fixed low-power settings in both the arms. The primary objective was to compare the stone-free rate (SFR) and secondary objectives were to compare mean operating times, hospital stay duration, complication rates, need for secondary procedures, and laser efficacy. A prospective randomized trial, with patients having proximal ureteral or renal stones of 10-20 mm and planned for RIRS was done at a single institute.

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