Publications by authors named "Victor Gomes"

The jaboticaba is a fruit with a highly promising chemical profile for producing fermented products with biological activity. In this context, evaluating pre-fermentative maceration techniques in jaboticaba fermentations is essential to optimize the extraction of phenolic compounds and other metabolites of interest, imparting antioxidant characteristics to the product and offering potential health benefits. This study evaluated the impact of two pre-fermentative maceration techniques on the phenolic composition, bioaccessibility, and biological activities (α-amylase, α-glucosidase, and ACE inhibition) of alcoholic and acetic fermented products from jaboticaba.

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Blood pressure (BP) is one of the most prominent indicators of potential cardiovascular disorders. Traditionally, BP measurement relies on inflatable cuffs, which is inconvenient and limit the acquisition of such important health-related information in general population. Based on large amounts of well-collected and annotated data, deep-learning approaches present a generalization potential that arose as an alternative to enable more pervasive approaches.

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Article Synopsis
  • Semaglutide, a GLP-1 receptor agonist, helps reduce blood sugar levels and weight in overweight or obese individuals, and the study aimed to assess its impact on cardiovascular outcomes and side effects.
  • After reviewing a total of 38 studies, results showed that semaglutide significantly decreased risks of hospitalization for heart failure, cardiovascular-related deaths, and other serious heart conditions.
  • The conclusion indicates that while semaglutide effectively reduces various cardiovascular risks, it also comes with a higher relative risk of experiencing adverse effects compared to some other treatments.
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Background: This study examined the relationship between physical activity (PA) and academic performance and retention among college students using accelerometer data while controlling for sex and socioeconomic background.

Methods: Data were collected from 4643 first-year college students at a private university in the south-central United States who began their studies in the Fall semesters between 2015 and 2022. Daily step counts were collected using accelerometers worn as part of the institutions PA requirements.

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Objectives: To evaluate the 3D accuracy of attachment positioning and the adaptation of aligners to attachments using in-house templates made with either polyethylene terephthalate glycol (PETG) or ethylene-vinyl acetate (EVA) and either pressure or vacuum thermoforming machines.

Materials And Methods: Overall, 140 test specimens were resin-printed. Templates for the attachment bonding were made with 1-mm EVA or 0.

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Objective: The aim of the study was to explore the association between tuberculosis (TB) and common mental disorders (CMD), in an area with high prevalence of TB.

Methods: We performed a case-control study of TB patients and unmatched healthy controls, from a demographic surveillance site in Guinea-Bissau. Screening for CMD was performed once for controls and at inclusion and follow-up for TB patients.

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The free acidity of bracatinga honeydew honey (BHH) was monthly monitored over short-term storage (four months) until all the samples exceeded 50 mEq kg - the maximum value allowed by the international regulatory honey standards. In addition, BHH quality was also investigated through moisture content, water activity, electrical conductivity, pH, 5-hydroxymethylfurfural, and aliphatic organic acids (AOA) analyses. According to our results, most of the parameters investigated presented significant differences during the short storage period studied; however, the quality parameters (except acidity) did not exceed the limits established by the international regulatory honey standards.

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How do learners learn what no and not mean when they are only presented with what is? Given its complexity, abstractness, and roles in logic, truth-functional negation might be a conceptual accomplishment. As a result, young children's gradual acquisition of negation words might be due to their undergoing a gradual conceptual change that is necessary to represent those words' logical meaning. However, it's also possible that linguistic expressions of negation take time to learn because of children's gradually increasing grasp of their language.

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Background: Few studies have assessed life expectancy of patients with tuberculosis (TB) against a comparable background population, particularly in low-income, high-incidence settings. This study aimed to estimate the life expectancy (LE) of patients with TB in the West African country of Guinea-Bissau and compare it with the LE of the background population.

Methods: This study used data from the Bandim TB cohort from 2004-20 as well as census data from the capital of Guinea-Bissau.

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Background: Growing evidence supports the existence of a sex difference in immunity to tuberculosis (TB). This is most often to the detriment of males. This study aimed to assess the association between scar size from bacillus Calmette-Guérin (BCG) and mortality risk stratified by sex.

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Objectives: Previous studies have found declining incidence of tuberculosis (TB) in Bissau, Guinea-Bissau. This study aimed to report incidence rates of TB for the period 2004-2020, stratifying by sex, smear-status, and HIV-status, as well as describe developments in TB case fatality rate and diagnostic delay.

Design And Methods: Data from the Bandim Health Project HDSS and the TB registry from Jan 1st, 2004 to Dec 31st, 2020 were used.

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Objective: Both tuberculosis (TB) and tobacco smoking are preventable health hazards. Few studies have examined the relationship between TB and tobacco smoking in an African setting, where the two health burdens collide heavily. This study aimed to describe the severity of TB disease and treatment outcomes among smokers with TB compared with nonsmokers with TB in Guinea-Bissau.

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Purpose: Certain ocular resident or pathogenic microbes may remain viable in the presence of multi-purpose disinfectant solutions (MPDSs), subsequently developing biofilms inside contact lens storage cases (CLSCs) which pose a risk of infection to wearers. This study evaluated the formation of ocular microbiota biofilms exposed to three top selling MPDS.

Methods: Crystal violet assay was carried out for the verification of biofilm formation.

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Background: Globally, more males than females are diagnosed with pulmonary TB (PTB); however, the cause of this gender disparity remains unknown. We aimed to assess gender differences in an observational cohort of patients with presumed PTB (prePTB) at the Bandim Health Project, Guinea-Bissau.

Methods: Adult patients with signs and symptoms suggestive of PTB seeking medical care were invited to participate and were referred to comprehensive diagnostic work-up.

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Introduction: Spinal anesthesia combined with sedation and general anesthesia combined with epidural are two techniques often used for patients undergoing abdominal hysterectomy. There is no consensus that one of these techniques is superior regarding the perception of patients towards the quality of postoperative recovery. This observational cross-sectional study aimed to assess the quality of postoperative recovery in women undergoing open abdominal hysterectomy by comparing both anesthetic techniques.

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Objective: to assess the socioeconomic and demographic profiles of patients hospitalized with a diagnosis of diabetic foot in a tertiary hospital in Belem-PA, Brazil, as well as to evaluate risk factors for lower limb amputations in such patients, classifying them according to the Wagner and PEDIS classifications.

Methods: we conducted a descriptive, cross-sectional, unicentric, and analytical study carried out through a structured questionnaire.

Results: the study consisted of 57 patients, aged between 48 and 84 years old, 66.

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The aim of this study was to investigate the antihypertensive properties of cis-[Ru(bpy)ImN(NO)] (FOR0811) in normotensive and in N-nitro-L-arginine methyl ester (L-NAME)-induced hypertensive rats. Vasorelaxant effects were analyzed by performing concentration response curve to FOR0811 in rat aortic rings in the absence or presence of 1H-[1,2,4]-oxadiazolo-[4,3,-a]quinoxalin-1-one (ODQ), L-cysteine or hydroxocobalamin. Normotensive and L-NAME-hypertensive rats were treated with FOR0811 and the effects in blood pressure and heart rate variability in the frequency domain (HRV) were followed.

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Background: Data on dietary intake in Guinea-Bissau is limited. The main purpose of this study was to compare mean daily energy intake (EI) with mean daily energy expenditure (EE) for a moderately active lifestyle in health-seeking individuals with a body mass index < 20.0 kg/m.

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Objectives: To assess the association between neonatal BCG vaccination and mortality between 28 days and 3 years of age among tuberculosis (TB)-exposed and TB-unexposed children.

Design: Prospective cohort study.

Setting: Bandim Health Project runs an urban Health and Demographic Surveillance site in Guinea-Bissau with registration of mortality, vaccination status and TB cases.

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Acute undifferentiated leukemia (AUL) is rare and defined by the absence of bona fide myeloid and lymphoid markers. Little is known about its incidence, survival and optimal management in the recent time period. Based on a case observed in our clinic, we queried the Surveillance, Epidemiology, and End Results database between 2000 and 2016.

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A new species of Helicopsyche subgenus Feropsyche from Chapada Diamantina is diagnosed, described, and illustrated. Helicopsyche catoles n. sp.

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Three new species of Atopsyche Banks 1905 are described and illustrated from Brazil: Atopsyche diamantina n. sp., A.

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Background: Chagas heart disease has a high socioeconomic burden, and any strategy to detect early myocardial damage is welcome. Speckle-tracking echocardiography assesses global and segmental left ventricular (LV) systolic function, yielding values of two-dimensional strain (ε). The aim of this study was to determine if patients with chronic Chagas disease and normal LV ejection fractions present abnormalities in global and segmental LV ε.

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Background: This study aimed to evaluate the usefulness of the Xpert MTB/RIF assay for the rapid direct detection of M. tuberculosis complex (MTBC) strains and rifampicin resistance associated mutations in a resource-limited setting such as Guinea-Bissau and its implications in the management of tuberculosis (TB) and drug resistant tuberculosis, complementing the scarce information on resistance and genotypic diversity of MTBC strains in this West African country.

Methods And Results: This cross-sectional prospective study included 100 consecutive TB patients with positive acid-fast smears at two months of anti-tuberculosis treatment or in a re-treatment situation, between May and December 2012.

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Article Synopsis
  • * Conducted between July 2010 to July 2011, the research involved screening newly diagnosed TB patients and randomly selected non-TB controls using fasting blood glucose tests to diagnose DM.
  • * The results indicated a low prevalence of DM in both groups (2.8% for TB patients and 2.1% for controls), with no significant association found between DM and TB cases.
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