12 results on '"de Melo LR"'
Search Results
2. The total effect of ethnicity on COVID-19 outcomes is underestimated when conditioning for comorbidities: response to Learoyd et al.
- Author
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Diaz-Quijano FA and Santos de Melo LR
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- Humans, Ethnicity statistics & numerical data, SARS-CoV-2, COVID-19 ethnology, COVID-19 epidemiology, Comorbidity
- Abstract
Competing Interests: Declaration of competing interest None.
- Published
- 2024
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3. Transforming the invisible into the visible: disparities in the access to health in LGBT+ older people.
- Author
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Crenitte MRF, de Melo LR, Jacob-Filho W, and Avelino-Silva TJ
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- Humans, Middle Aged, Aged, Cross-Sectional Studies, Health Services Accessibility, Research Design, Surveys and Questionnaires, Sexual and Gender Minorities
- Abstract
Objectives: To compare variables of access to healthcare between the LGBT+ population aged 50 and over and those non-LGBT+., Methods: A cross-sectional study was carried out in Brazil through a confidential online questionnaire. The use of the health system was characterized by the number of preventive tests performed and measured by the PCATool-Brasil scale (a 10-point scale in which higher scores were associated with better assistance in healthcare). The association between being LGBT+ and access to health was analyzed in Poisson regression models., Results: 6693 participants (1332 LGBT+ and 5361 non-LGBT+) with a median age of 60 years were included. In the univariate analysis, it was observed not only lower scores on the PCATool scale (5.13 against 5.82, p < 0.001), but a greater proportion of individuals among those classified with the worst quintile of access to healthcare (< 4 points), 31% against 18% (p < 0.001). Being LGBT+ was an independent factor associated with worse access to health (PR = 2.5, 95% CI 2.04‒3.06). The rate of screening cancer, for breast, colon, and cervical cancer was also found to be lower in the LGBT+ population., Conclusion: Healthcare access and health service experiences were worse in the LGBT+ group than in their non-LGBT peers. Inclusive and effective healthcare public policies are essential to promote healthy aging for all., Competing Interests: Conflicts of interest The authors declare no conflicts of interest., (Copyright © 2022 HCFMUSP. Published by Elsevier España, S.L.U. All rights reserved.)
- Published
- 2022
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4. COVID-19 is not over and age is not enough: Using frailty for prognostication in hospitalized patients.
- Author
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Aliberti MJR, Szlejf C, Avelino-Silva VI, Suemoto CK, Apolinario D, Dias MB, Garcez FB, Trindade CB, Amaral JRDG, de Melo LR, de Aguiar RC, Coelho PHL, Hojaij NHSL, Saraiva MD, da Silva NOT, Jacob-Filho W, and Avelino-Silva TJ
- Subjects
- Academic Medical Centers, Aged, Brazil, Cohort Studies, Female, Humans, Male, Middle Aged, Organ Dysfunction Scores, Time Factors, COVID-19 mortality, COVID-19 therapy, Frail Elderly statistics & numerical data, Geriatric Assessment, Hospitalization, Prognosis
- Abstract
Background: Frailty screening using the Clinical Frailty Scale (CFS) has been proposed to guide resource allocation in acute care settings during the pandemic. However, the association between frailty and coronavirus disease 2019 (COVID-19) prognosis remains unclear., Objectives: To investigate the association between frailty and mortality over 6 months in middle-aged and older patients hospitalized with COVID-19 and the association between acute morbidity severity and mortality across frailty strata., Design: Observational cohort study., Setting: Large academic medical center in Brazil., Participants: A total of 1830 patients aged ≥50 years hospitalized with COVID-19 (March-July 2020)., Measurements: We screened baseline frailty using the CFS (1-9) and classified patients as fit to managing well (1-3), vulnerable (4), mildly (5), moderately (6), or severely frail to terminally ill (7-9). We also computed a frailty index (0-1; frail >0.25), a well-known frailty measure. We used Cox proportional hazards models to estimate the association between frailty and time to death within 30 days and 6 months of admission. We also examined whether frailty identified different mortality risk levels within strata of similar age and acute morbidity as measured by the Sequential Organ Failure Assessment (SOFA) score., Results: Median age was 66 years, 58% were male, and 27% were frail to some degree. Compared with fit-to-managing-well patients, the adjusted hazard ratios (95% confidence interval [CI]) for 30-day and 6-month mortality were, respectively, 1.4 (1.1-1.7) and 1.4 (1.1-1.7) for vulnerable patients; 1.5 (1.1-1.9) and 1.5 (1.1-1.8) for mild frailty; 1.8 (1.4-2.3) and 1.9 (1.5-2.4) for moderate frailty; and 2.1 (1.6-2.7) and 2.3 (1.8-2.9) for severe frailty to terminally ill. The CFS achieved outstanding accuracy to identify frailty compared with the Frailty Index (area under the curve = 0.94; 95% CI = 0.93-0.95) and predicted different mortality risks within age and acute morbidity groups., Conclusions: Our results encourage the use of frailty, alongside measures of acute morbidity, to guide clinicians in prognostication and resource allocation in hospitalized patients with COVID-19., (© 2021 The American Geriatrics Society.)
- Published
- 2021
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5. Effect of routine prenatal supplementation on vitamin concentrations in maternal serum and breast milk.
- Author
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Sânzio Gurgel CS, Alves de Araújo Pereira L, de Assis Costa A, Adja da Silva Souza M, Araújo de Brito P, Miranda de Melo LR, and Dimenstein R
- Subjects
- Adult, Brazil epidemiology, Cross-Sectional Studies, Female, Humans, Nutritional Status, Postpartum Period, Pregnancy, Prevalence, Retrospective Studies, Severity of Illness Index, Vitamin A analysis, Vitamin A blood, Vitamin A therapeutic use, Vitamin A Deficiency epidemiology, Vitamin A Deficiency metabolism, Vitamin A Deficiency physiopathology, Vitamin A Deficiency prevention & control, Vitamins analysis, Vitamins blood, Young Adult, beta Carotene analysis, beta Carotene blood, beta Carotene therapeutic use, Colostrum chemistry, Dietary Supplements, Maternal Nutritional Physiological Phenomena, Milk, Human chemistry, Vitamins therapeutic use
- Abstract
Objective: The aim of the present study was to assess the effect of multivitamin supplements and their different vitamin A sources on retinol concentrations in serum and colostrum milk of postpartum women., Methods: This was a retrospective cross-sectional study composed of healthy postpartum women attending two Brazilian private maternity wards (N = 100). According to the type of multivitamin taken during pregnancy, the women were assigned to one of four groups: control group (CG; n = 25), formulation 1 (F1; n = 25), formulation 2 (F2; n = 25), and formulation 3 (F3; n = 25). Blood and colostrum samples were collected under fasting conditions and retinol was analyzed by high-performance liquid chromatography. Dietary vitamin A was assessed using a food frequency questionnaire. Retinol concentrations <20 μg/dL (<0.70 μmol/L) in serum and <60 μg/dL (2.10 μmol/L) in colostrum were considered indicative of vitamin A deficiency., Results: Of women in the control group, 12% (n = 3) presented serum retinol levels below the cut-off value for adequacy; this was not observed in the supplemented groups. Evaluating the retinol content in breast milk, supplemented groups F1 and F3 presented 4% (n = 1) of inadequacy cases, whereas F2 presented 40% (n = 10). The concentrations found in the F2 and F3 groups were statistically different (P < 0.05)., Conclusions: The use of multivitamin supplements containing vitamin A during pregnancy prevents vitamin A deficiency regardless of the source administered. In breast milk, supplementation with β-carotene provided a lower concentration of vitamin A compared with retinol., (Copyright © 2016 Elsevier Inc. All rights reserved.)
- Published
- 2017
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6. Alpha-tocopherol concentration in serum and colostrum of mothers with gestational diabetes mellitus.
- Author
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Resende FB, Clemente HA, Bezerra DF, Grilo EC, de Melo LR, Bellot PE, Dantas RC, and Dimenstein R
- Subjects
- Adult, Cross-Sectional Studies, Female, Humans, Pregnancy, alpha-Tocopherol blood, Colostrum chemistry, Diabetes, Gestational blood, alpha-Tocopherol analysis
- Abstract
Objective: To evaluate and compare the levels of α-tocopherol in colostrum and in the serum of healthy and diabetic mothers., Methods: This cross-sectional study enrolled 51 volunteer mothers, 20 with the diagnosis of gestational diabetes mellitus and 31 without associated diseases. Serum and colostrum samples were collected in fasting in the immediate postpartum period and α-tocopherol was analyzed by high performance liquid chromatography (HPLC). In order to define the nutritional status of vitamin E, the cutoff point for the serum (697.7µg/dL) was adopted. Student's t-test for independent variables compared the average concentrations of α-tocopherol in the serum and in the colostrum between control and gestational diabetes mellitus groups. Pearson's correlation was used to assess the relationship between the concentration of α-tocopherol in serum and colostrum for both groups. Differences were considered significant when p<0.05., Results: The α-tocopherol concentration in colostrum was 1,483.1±533.8µg/dL for Control Group and 1,368.8±681.8µg/dL for diabetic women, without differences between groups (p=0.50). However, α-tocopherol concentration in the serum was 1,059.5±372.7µg/dL in the Control Group and 1,391.4±531.5µg/dL in the diabetic one (p<0.01). No correlation was found between the concentration of α-tocopherol in the serum and in the colostrum for control and diabetic groups., Conclusions: The groups had adequate nutritional status of vitamin E. Gestational diabetes was not associated with changes in α-tocopherol concentration in colostrum.
- Published
- 2014
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7. Toxoplasma gondii and Neospora caninum in slaughtered pigs from Northeast, Brazil.
- Author
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Feitosa TF, Vilela VL, de Melo LR, de Almeida Neto JL, Souto DV, de Morais DF, Athayde AC, Azevedo SS, and Pena HF
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- Animals, Antibodies, Protozoan, Brazil epidemiology, Coccidiosis epidemiology, Fluorescent Antibody Technique, Indirect, Mice, Neospora physiology, Risk Factors, Seroepidemiologic Studies, Swine, Toxoplasma pathogenicity, Toxoplasma physiology, Coccidiosis veterinary, Swine Diseases epidemiology, Toxoplasmosis, Animal epidemiology
- Abstract
The aims of this study were to evaluate the presence of anti-Toxoplasma gondii and anti-Neospora caninum antibodies, to identify associated risk factors and to isolate T. gondii from slaughtered pigs in Paraíba State, Brazil. A total of 190 pigs from public slaughterhouses were used in the study. An indirect immunofluorescence test was used to detect antibodies, and the isolation of T. gondii was performed with a bioassay in mice based on tissues from seropositive animals. A total of 50 g of brain, heart and tongue tissue from 37 positive pigs with titres ≥ 1:64 was ground, digested with acidic pepsin and inoculated into mice. The prevalence of anti-T. gondii antibodies was 19.5% (95% CI: 14.1%; 25.8%) (37/190), with titres ranging from 1:64 to 1:2048. Viable T. gondii parasites were isolated from 13 of the 37 (35.1%; 95% CI: 20.2%; 52.5%) seropositive pigs. We found that the virulence of the isolates varied; three of these isolates were able to kill all of the inoculated mice. The risk factors for infection were extensive husbandry and feeding with leftovers. The prevalence of antibodies to N. caninum in pigs was 3.2% (95% CI: 1.2%; 6.7%) (6/190), with titres ranging from 1:100 to 1:3200. None of the variables studied were considered to be risk factors for N. caninum. These results show that the prevalence of anti-T. gondii antibodies in swine is high in Paraíba State, that the percentage of viable T. gondii parasites recovered from these animals is also high and that infection by this parasite is closely related to the management of swine. Despite the low prevalence of N. caninum in pigs, further studies are necessary to determine the importance of this parasite for the species., (Copyright © 2014 Elsevier B.V. All rights reserved.)
- Published
- 2014
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8. Anthelmintic efficacy of pumpkin seed (Cucurbita pepo Linnaeus, 1753) on ostrich gastrointestinal nematodes in a semiarid region of Paraíba State, Brazil.
- Author
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Feitosa TF, Vilela VL, Athayde AC, Braga FR, Dantas ES, Vieira VD, and de Melo LR
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- Albendazole pharmacology, Animal Husbandry methods, Animals, Brazil, Feces cytology, Gastrointestinal Tract parasitology, Parasite Egg Count veterinary, Rhabditida Infections drug therapy, Bird Diseases drug therapy, Bird Diseases parasitology, Cucurbita, Phytotherapy methods, Rhabditida Infections veterinary, Seeds chemistry, Struthioniformes
- Abstract
The aim of this study was to verify the in vivo effectiveness of pumpkin seed (Curcubita pepo Linnaeus, 1753) in naturally infected ostriches in the Cariri zone, semiarid region of Paraíba State, Brazil. Forty-eight ostriches were used, African Black breed, of 14 to 36 months old, naturally infected by gastrointestinal nematodes. These animals were divided into four groups of 12 ostriches. Group 1 consists of animals treated with 0.5 g/kg live weight (l. w.) of pumpkin seed meal; group 2 received 1 g/kg l. w. of pumpkin seed meal; group 3 was treated with Albendazole 5 %, at the dosage of 1 mL/10 kg l. w.; and Group 4 was the control group and do not received treatment. Groups 1 and 2 received the treatment for three consecutive days, orally, at intervals of 7 days, totaling nine administrations. The Albendazole 5 % was administered one time, at the beginning of the experiment, according to the manufacturer's recommendations. The groups treated with pumpkin seed showed a significant decrease in egg counts per gram of feces (EPG), wherein group 2 (1 g/kg l. w.) was the most effective. The control and drug groups showed no reduction in EPG. The results of the present study demonstrate that the administration of pumpkin seed was effective in controlling gastrointestinal helminths in naturally infected ostriches.
- Published
- 2013
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9. Comparison of static postural balance between healthy subjects and those with low back pain.
- Author
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Braga AB, Rodrigues AC, de Lima GV, de Melo LR, de Carvalho AR, and Bertolini GR
- Abstract
Objective: To compare the static postural balance between women suffering from chronic low back pain and healthy subjects, by moving the center of pressure., Methods: The study included 15 women with low back pain (LBP group) and 15 healthy women (healthy group). They were instructed to remain in standing on the force platform for 30 seconds. We analyzed the area and the speed of displacement of center of pressure of both groups. Data analysis was performed using the Student's t-test, with significance of 5%., Results: Individuals with chronic low back pain showed a larger area of displacement of the center of pressure relative to the healthy ones but there was no significant difference in the speed of displacement of the center of pressure., Conclusion: Individuals with chronic low back pain had alterations in static balance with respect to healthy ones. Level of Evidence III, Prognostic Studies.
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- 2012
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10. Candidiasis in pediatric patients with cancer interned in a university hospital.
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De Carvalho Parahym AM, De Melo LR, De Morais VL, and Neves RP
- Abstract
Fungi are common causes of infection in immunocompromised patients. Candida species are frequently involved in these cases. In order to investigate candidiasis in pediatric patients with cancer, clinical samples were collected from one hundred and twenty two patients interned in the Oswaldo Cruz University Hospital in Recife, Brazil. Yeasts were isolated from thirty-four clinical samples. The species isolated were: Candida albicans (fourteen isolates), C. parapsilosis (nine isolates), C. guilliermondii (two isolates) and C. tropicalis (two isolates). We found that candidemia was most frequent in patients with malignant hematology and that C. parapsilosis infections caused the highest mortality.
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- 2009
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11. Candida Glabrata Esophagitis: new case reports and management.
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Macêdo DP, da Silva VK, de Almeida Farias AM, de Melo LR, Wilheim AB, and Neves RP
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Candida esophagitis (CE) is a common opportunistic infection in the immunocompromised host. C. glabrata is rarely cited as agent of CE and has been underestimated due to lack of proper identification. In this study, two cases of C. glabrata esophagitis in AIDS and chagasic patients are reported. Diagnosis of Candida species should be considered an important key for the ideal choice of antifungal therapy against this mycosis.
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- 2008
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12. Invasive Trichosporon cutaneum infection in an infant with wilms' tumor.
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de Carvalho AM, de Melo LR, Moraes VL, and Neves RP
- Abstract
Fungal infections are increasingly being reported in immuno-compromised patients. In this study we report a case of systemic Trichosporon cutaneum infection in an infant with Wilms' tumor. This is the first time that an invasive infection for T. cutaneum has been reported in a Wilms' tumor patient.
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- 2008
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