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Dissertations |
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1
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PALOMA OTERO BATISTA
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EFFICACY AND SAFETY OF TOPICAL TREATMENTS FOR LICHEN SCLEROSUS
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Advisor : ANA KATHERINE DA SILVEIRA GONCALVES DE OLIVEIRA
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COMMITTEE MEMBERS :
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ANA KATHERINE DA SILVEIRA GONCALVES DE OLIVEIRA
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CIJARA LEONICE DE FREITAS
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MARIA LUISA NOBRE MEDEIROS E SILVA GUIMARAES
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Data: Feb 4, 2026
Ata de defesa assinada:
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Show Abstract
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Objectives: To evaluate the efficacy and safety of topical treatments and therapeutic techniques used to reduce the symptoms of Lichen Sclerosus (LS) and to improve the quality of life of women diagnosed with the condition. Methods: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed. A comprehensive search was conducted in the PubMed, Embase, Scopus, Web of Science, Cochrane Central Register of Controlled Trials, and Clinical Trial Databases on June 18, 2025. Randomized clinical trials comparing topical interventions and therapeutic techniques for LS were included. Risk of bias was assessed using the Cochrane Risk of Bias Tool (RoB 2.0). Results: A total of 2,240 articles were retrieved. Of these, 28 studies met the eligibility criteria and were included in the systematic review, comprising 1,054 participants. The mean age of patients ranged from 34 to 67 years. The most frequently used interventions were: laser therapy (Nd:YAG and CO₂), followed by clobetasol, hormonal treatments (testosterone and progesterone), tacrolimus, pimecrolimus, and phototherapy. Compared to other interventions (tacrolimus, phototherapy, progesterone, and testosterone), clobetasol proved to be superior or equally effective. Regarding laser therapy, the studies showed greater improvements in clinical scores, higher patient satisfaction, and better quality of life compared to clobetasol. However, in some studies, no statistically significant difference was observed when compared to placebo. Most of the included studies presented a low risk of bias. Conclusions: Clobetasol remains the most effective and safest treatment for LS. However, laser therapy and phototherapy have shown promising results, with good efficacy and patient acceptance, especially in refractory cases or in those intolerant to corticosteroids.
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2
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ROSEANY CAVALCANTE DA SILVA
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MOTOR, NEUROLOGICAL, AND COGNITIVE DEVELOPMENT OF PRETERM NEWBORNS DURING THE HOSPITAL-TO-HOME TRANSITION: A PROSPECTIVE COHORT STUDY
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Advisor : SILVANA ALVES PEREIRA
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COMMITTEE MEMBERS :
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SILVANA ALVES PEREIRA
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GENTIL GOMES DA FONSECA FILHO
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Luciana Sayuri Sanada
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Data: Feb 10, 2026
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Show Abstract
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The first thousand days of life represent a crucial period for child development, marked by intense brain plasticity and considered a window of opportunity. During this time, early experiences directly influence the formation of motor, cognitive, and socio-emotional skills. In this context, premature birth presents a challenge to development, as the immaturity of physiological systems, especially the neurological system, exposes newborns to a higher risk of developmental delays. The hospital-to-home transition is a sensitive and decisive phase for these infants, requiring continuous follow-up and care strategies that support their overall development. In light of this, the present study aimed to monitor the neurological, motor, and cognitive development of preterm infants during the hospital-to-home transition. This is a prospective cohort study conducted between April and December 2024 at Maternidade Escola Januário Cicco, in Rio Grande do Norte, Brazil. A total of 76 infants born at less than 34 weeks of gestational age were included. Assessments were carried out at four time points: at 29 days of life, at hospital discharge, and at 3 and 4 months of corrected gestational age (CGA). Validated instruments were used (NMI-Br, GMOS, TIMP, HINE, Bayley III, and the Perceived Stress Scale). Partial results showed that although 68.8% of the infants had motor performance within the expected range for their age at hospital discharge, this rate decreased at the 3rd and 4th months of CGA, indicating a decline in motor development over time (p = 0.01). Additionally, maternal perceived stress showed a negative association with motor development (p = 0.047). These findings highlight the importance of early monitoring strategies and adequate family support in addressing the challenges posed by prematurity, thus promoting healthy development during the first 1,000 days of life.
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3
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MARIA LETICIA ARAUJO SILVA DE CARVALHO
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Effects of supervised and unsupervised pelvic floor muscle training on quality of life and pelvic floor muscle function in women with urinary incontinence and anterior vaginal prolapse.
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Advisor : MARIA THEREZA ALBUQUERQUE BARBOSA CABRAL MICUSSI
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COMMITTEE MEMBERS :
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GRASIELA NASCIMENTO CORREIA
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GUILHERME PERTINNI DE MORAIS GOUVEIA
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MARIA THEREZA ALBUQUERQUE BARBOSA CABRAL MICUSSI
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Data: Feb 20, 2026
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Show Abstract
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Introduction: Among the types of urinary incontinence (UI), stress urinary incontinence (SUI) is the most prevalent and, may be associated with anterior vaginal wall pelvic organ prolapse (POP). Pelvic floor muscle training (PFMT) has been the first-line recommendation to strengthen and increase the endurance of the pelvic floor muscles (PFM) in women with stress urinary incontinence (SUI) and pelvic organ prolapse (POP) in general. Objective: To evaluate the effectiveness of PFMT on quality of life (QoL) and functionality in women with SUI and POP. Methods: A randomized controlled clinical trial. The sample consisted of 32 women diagnosed with SUI and anterior vaginal wall POP. Participants were assessed at three time points: baseline, immediately post-intervention, and one month after the final assessment, following the same protocol: assessment form, functional assessment of the pelvic floor muscles (using the Modified Oxford Scale and vaginal manometry), and administration of the following questionnaires: International Consultation on Incontinence Questionnaire - Short Form (ICIQ-SF), International Consultation on Incontinence Questionnaire - Overactive Bladder (ICIQ-OAB), Pelvic Floor Distress Inventory (PFDI-20), World Health Organization Quality of Life (WHOQOL), Female Sexual Function Index (FSFI), and Patient Global Impression of Improvement (PGI-I). Participants were allocated into two groups: the PFMT group (GPFMT), which received supervised in-person PFMT (16 sessions, twice a week), and the control group (CG), which received informational material and guidance on UI and exercises to be performed at home. Results: Findings showed improvements in PFM function in both groups, with a 39.2% improvement in the GPFMT group and 13.6% in the CG. Participants in the GPFMT group also demonstrated positive impacts on quality of life, particularly in the physical, emotional, and social domains. Conclusion: The findings of this study suggest that supervised PFMT contributes more significantly to improvements in muscle functionality, reduction of urinary symptoms, and pelvic discomfort when compared to unsupervised home-based exercises. These results highlight the importance of physiotherapy as an effective conservative approach for women with stress urinary incontinence and anterior vaginal wall prolapse.
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4
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JOYCE MARIA PEREIRA DE OLIVEIRA
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Impact of a Semi-Supervised Exercise Protocol Via Telemonitoring on the Pelvic Floor Muscle Strength of Diabetic Pregnant Women
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Advisor : MARIA THEREZA ALBUQUERQUE BARBOSA CABRAL MICUSSI
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COMMITTEE MEMBERS :
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PAULA CLARA RIBEIRO SANTOS
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ADRIANA GOMES MAGALHAES
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MARIA THEREZA ALBUQUERQUE BARBOSA CABRAL MICUSSI
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Data: Feb 25, 2026
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Show Abstract
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Introduction: Pelvic floor disorders (PFDs) are common during pregnancy, and the metabolic stress associated with Gestational Diabetes Mellitus (GDM) may worsen this condition. Supervised pelvic floor muscle training (PFMT) is effective in treating PFDs. Although the effectiveness of semi-supervised telerehabilitation for this population remains unexplored, this model has emerged as a promising alternative to overcome barriers to access to standard care. Therefore, this study aimed to evaluate the effects of a semi-supervised exercise program delivered via telerehabilitation on pelvic floor function in pregnant women with GDM. Methods: This was a randomized, controlled, parallel, single-blind clinical trial including 40 pregnant women aged 18 to 45 years diagnosed with GDM, conducted between October 2024 and May 2025. Participants were allocated into two groups: the Exercise Group (EG; n = 20) and the Control Group (CG; n = 20). The EG performed an exercise protocol (aerobic, global strengthening, and specific pelvic floor muscle exercises) for 10–20 weeks, depending on gestational age at recruitment, with telemonitoring via smartphone through a team member referred to as “Rosa.” The CG received an educational booklet during the same period. Before and after the intervention, clinical, sociodemographic, and obstetric data were collected, and pelvic floor muscle function was assessed using the Modified Oxford Scale and vaginal manometry. PFD symptoms and impacts were evaluated using the Pelvic Floor Distress Inventory (PFDI), Pelvic Floor Impact Questionnaire–Short Form (PFIQ-7), and the International Consultation on Incontinence Questionnaire–Short Form (ICIQ-SF). Sexual function was assessed using the Female Sexual Function Index (FSFI). The Patient Global Impression of Change (PGI-C) scale was applied at the end of the study. The intervention lasted a minimum of 10 weeks and a maximum of 20 weeks, according to gestational age at recruitment (between 14 and 25 weeks), up to a maximum of 36 weeks of gestation. Reassessment followed the same procedures and included the PGI-C. Results: Stratified analysis of participants with urinary incontinence (UI) at baseline revealed a significant interaction between group, time, and incontinence (p = 0.007). In this subgroup, the EG showed a significant reduction in urinary distress (UDI) and a protective effect against progression of UI severity compared to the CG. Conclusion: A semi-supervised telerehabilitation program was effective in reducing and preventing progression of urinary symptoms in pregnant women with GDM and pre-existing UI.
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5
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JANAINA CAVALCANTI COSTA DE OLIVEIRA
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IMPACT OF NUTRITIONAL THERAPY WITH HUMAN MILK ON GROWTH OUTCOMES AND GASTROINTESTINAL COMPLICATIONS IN PREMATURE NEWBORNS.
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Advisor : KARLA DANIELLY DA SILVA RIBEIRO RODRIGUES
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COMMITTEE MEMBERS :
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KARLA DANIELLY DA SILVA RIBEIRO RODRIGUES
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MAYARA SANTA ROSA LIMA
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NIVIA MARIA RODRIGUES ARRAIS
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Data: Feb 25, 2026
Ata de defesa assinada:
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Show Abstract
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Human milk is also the recommended food for preterm newborns (gestational age below 37 weeks), as it is a complex fluid containing several bioactive factors, in addition to specific macro- and micronutrients appropriate to each stage of lactation. For low birth weight preterm newborns (LBW-PTN, below 1,800 g) it is even more relevant, given its effect on reducing severe morbidities that affect them due to the physiological fragility resulting from premature birth. Colostrum milk is recommended as an early oropharyngeal exposure for these newborns, but data in the literature are still scarce regarding the impact of nutritional therapy with donated human milk on nutritional outcomes of LBW-PTN. Thus, the aim of this study was to analyze the effect of therapy with donated human milk (colostrum + hypercaloric human milk) on growth outcomes and gastrointestinal complications in LBW- PTN admitted to the neonatal intensive care unit (NICU). To this end, we used two methodological models: Study 1, a systematic review and meta- analysis (CRD420251056373) on the effect of an exclusive human milk diet versus the use of human milk fortifiers and infant formulas based on bovine protein on the development of gastrointestinal complications in preterm infants. The review showed that feeding tolerance was similar between exclusive human milk diets and those supplemented with bovine milk-derived products. The meta-analysis for the outcome necrotizing enterocolitis (281 versus 214 participants) did not show a significant difference between groups (OR = 1.47; 95% CI: 0.80–2.72); however, the studies presented moderate heterogeneity and only two compared with the use of infant formula. Study 2 was a randomized controlled clinical trial with 94 LBW-PTN enrolled up to 96 hours postpartum or after 48 hours of initiation of enteral feeding, admitted to the NICU of a high-risk referral maternity hospital. After eligibility criteria, participants were randomly allocated in a 1:1 ratio to the control group (standard nutritional therapy with pasteurized human milk of transition or mature type + expressed mother’s own milk) and the intervention group (nutritional therapy with pasteurized colostrum-type human milk until reaching 100 ml/kg/day, followed by pasteurized hypercaloric milk + expressed mother’s own milk). LBW-PTN received the intervention until discharge from the NICU or until a change in specific diet prescription by the healthcare team. Data related to volume and type of pasteurized milk ingested, type of prescribed diet, anthropometric measurements, and duration of intervention were collected throughout the follow-up period. The primary clinical outcomes were weight-for-age gain velocity (g/kg/day and change in weight-for-age Z- score) from birth to the end of the intervention. Secondary outcomes were time to regain birth weight (days), length-for-age velocity (Z-score), presence of growth failure, extrauterine growth restriction, and length of stay in the NICU. Pearson’s chi-square test was used to analyze the association between categorical variables. The effect size for significant associations was assessed by calculating prevalence ratios (PR) and their 95% confidence intervals (95% CI). The clinical and anthropometric characterization of the groups showed similar profiles between them; however, the outcome related to weight gain velocity (g/kg/day) was higher in the intervention group (p < 0.006), demonstrating the positive impact of nutritional therapy with pasteurized colostrum-type and hypercaloric human milk on the growth of LBW-PTN.
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6
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LIZIANE VIRGINIA PEREIRA FREIRE
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EVALUATION OF GENOMIC INSTABILITY AND CELL CYCLE IN WOMEN WITH ENDOMETRIOSIS
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Advisor : JANAINA CRISTIANA DE OLIVEIRA CRISPIM FREITAS
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COMMITTEE MEMBERS :
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JANAINA CRISTIANA DE OLIVEIRA CRISPIM FREITAS
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MARCELA ABBOTT GALVAO URURAHY
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PAULA ANDREA DE ALBUQUERQUE SALLES NAVARRO
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Data: Feb 26, 2026
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Show Abstract
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Endometriosis is a chronic, multifactorial inflammatory gynecological disease that affects approximately 10–15% of women of reproductive age and is associated with chronic pelvic pain, infertility, and impaired quality of life. Recent evidence suggests that genomic instability and cell cycle dysregulation play a central role in the pathophysiology of the disease. This study aimed to evaluate biomarkers of genomic instability (necrosis, apoptosis, micronuclei, nucleoplasmic bridges, and nuclear buds) and alterations in the cell cycle in women with endometriosis, correlating these findings with disease stage, fertility status, hormonal treatment, and the presence of non-communicable chronic diseases (NCDs). This was an observational, cross-sectional study conducted with 83 women diagnosed with endometriosis, who completed a questionnaire to obtain clinical and sociodemographic data and underwent peripheral blood collection for the cytokinesis-block micronucleus (CBMN) assay and analysis of cell cycle phases (G1, S, and G2) by flow cytometry. A negative correlation was observed between endometriosis stage and infertility (ρ = −0.6891; p < 0.05). A lower percentage of cells in the G1 phase was observed in infertile women, and a reduced proportion of cells in the G2 phase was identified in women with NCDs, suggesting impairment of the G1/S and G2/M checkpoints (p <0.05). Additional analyses demonstrated a protective effect of the G1 phase and a positive association between the S phase and the formation of nucleoplasmic bridges, indicating that progression to DNA synthesis in an inflammatory environment favors replicative stress and the formation of structural chromosomal abnormalities. A potentially protective effect of progestin was observed, characterized by a higher frequency of apoptosis and reduced proliferative activity among users, as well as a progressive increase in the proportion of cells in the S phase with increasing disease severity; however, these findings did not reach statistical significance (p > 0.05). Finally, this pioneering study integrating multiple biomarkers of genomic instability and cell cycle parameters in women with endometriosis provides evidence that alterations in genomic stability and cell cycle control may be involved in the pathophysiology of the disease, establishing novel clinical correlations. These findings reinforce the relevance of cellular and molecular approaches to understanding endometriosis as a systemic condition and highlight the potential development of non-invasive biomarkers for diagnosis and clinical monitoring.
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7
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ESTHER ARTUANNE FIGUEREDO DA SILVA
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Maternal morbidity burden and clinical outcomes in premature infants admitted to a neonatal intensive care unit.
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Advisor : MARCIA MARILIA GOMES DANTAS LOPES
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COMMITTEE MEMBERS :
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CINTHIA KARLA RODRIGUES DO MONTE GUEDES
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ANNA CHRISTINA DO NASCIMENTO GRANJEIRO BARRETO
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GUSTAVO MAFALDO SOARES
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MARCIA MARILIA GOMES DANTAS LOPES
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Data: Feb 27, 2026
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Show Abstract
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It is known that the occurrence of maternal clinical conditions during pregnancy is a determining factor for premature birth, directly impacting fetal development. Preterm newborns (PTNBs) exposed to adverse contexts are more vulnerable to complications such as necrotizing enterocolitis (NEC), bronchopulmonary dysplasia (BPD), and extrauterine growth restriction (EUG), which can significantly compromise growth and development and trigger neonatal death. Despite the clinical relevance and prognostic potential of these morbidities, evidence exploring the relationship between the burden of maternal morbidities and the evolution of premature infants in the neonatal intensive care unit (NICU) is still scarce. Therefore, the objective of this study is to evaluate the relationship between the burden of maternal morbidities and the main clinical complications in PTNBs admitted to the NICU. This research was considered a prospective cohort study, including premature newborns admitted to a public maternity hospital and their mothers, from October 2021 to November 2023. Maternal data (age, morbidities during pregnancy) and data on the preterm newborn during their stay in the NICU (gestational age at birth, birth weight and weight at discharge, days of parenteral nutrition use, length of stay, and clinical outcomes) were collected. Data were analyzed using normality tests (Shapiro-Wilk) and association tests (Chi-square and Fisher's exact test), as well as non-parametric tests (Mann-Whitney and Kruskal-Wallis) for comparisons between groups, considering p<0.05 as the significance level. 160 mother-child pairs were included; the majority of postpartum women (72.5%) presented at least one morbidity, the most frequent being hypertensive syndromes of pregnancy (HSP) (42.5%) and urinary tract infection. (UTI) (28.7%). Among preterm newborns, we identified that 61.3% had more severe degrees of prematurity, 48% had a birth weight below 1500g, and 74.8% had adequate weight for corrected gestational age at NICU discharge. The prevalences of NEC were 6%, BPD 14%, UGIB 25.9%, and death 9.4%. No statistically significant association was found between the burden of maternal morbidities and the clinical outcomes evaluated. Furthermore, we found a significant association between maternal age and the presence and burden of morbidities (p < 0.001), with women aged 35 years or older showing a higher prevalence (91.5%) and a higher frequency of morbidity burden (40.4%). Final considerations: Despite the higher prevalence of maternal morbidities in pregnant women of advanced age (≥35 years), no significant association was found with neonatal outcomes. However, UTI was associated with shorter hospital stays and a lower incidence of bronchopulmonary dysplasia. This finding highlights the complexity of the relationship between maternal and neonatal outcomes, justifying further research.
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8
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BYANCA RODRIGUES CARNEIRO
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Evaluation of vitamin E supplementation in pregnant women
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Advisor : KARLA DANIELLY DA SILVA RIBEIRO RODRIGUES
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COMMITTEE MEMBERS :
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CARLA SORAYA COSTA MAIA
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DANIELLE SOARES BEZERRA
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KARLA DANIELLY DA SILVA RIBEIRO RODRIGUES
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Data: Mar 1, 2026
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Show Abstract
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Vitamin E is a fat-soluble antioxidant essential for maternal–fetal protection against oxidative stress and has been widely investigated in inflammatory conditions such as preeclampsia (PE). In this context, this study evaluated the impact of vitamin E supplementation in pregnant women through two study designs: (1) a systematic review (SR) investigating the effects of supplementation on the mother–child dyad, and (2) a randomized controlled trial (RCT) involving pregnant women with severe PE, aiming to analyze its impact on vitamin E nutritional status. The systematic review (SR) followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, with the protocol registered in PROSPERO (CRD42024529048). Randomized controlled trials (RCTs) were identified from PubMed, Scopus, Web of Science, EMBASE, LILACS, and the Cochrane Library. Study selection, data extraction, and risk-of-bias assessment were conducted independently using the Cochrane Risk of Bias 2.0 tool. Statistical analyses were performed using RevMan software (version 5.4), and the quality of evidence was assessed using the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) approach. After screening 1,212 studies, six were included. Vitamin E supplementation significantly increased serum alpha-tocopherol (α-TOH) concentrations (SMD = 4.89; 95% CI: 2.89–6.89; p < 0.001), with no effects on gestational age (SMD = 0.04 weeks; 95% CI: −0.03 to 0.11; I2 = 0%; p = 0.29) or birth weight (SMD = −0.02 g; 95% CI: −0.09 to 0.04; I2 = 62%; p = 0.49). The included studies showed a low risk of bias and evidence of low to moderate certainty. The double-blind, placebo-controlled RCT was approved by the Research Ethics Committee (approval no. 6.985.999) and registered in the Brazilian Registry of Clinical Trials (RBR-99h2qmf). Pregnant women with severe PE were randomized to receive either supplementation (400 IU of dl-α-TOH) or placebo (soybean oil) and were followed until the immediate postpartum period. Socioeconomic, obstetric, anthropometric, neonatal, and dietary intake data were collected, along with blood samples at two time points: baseline and immediate postpartum. Serum α-TOH concentrations were determined by ultra-high- performance liquid chromatography, with deficiency defined as values ≤ 30 μmol/L. Data were analyzed using the Statistical Package for the Social Sciences. Descriptive analyses and statistical tests were conducted according to data distribution. Correlations were assessed using Pearson’s or Spearman’s tests, and linear regression models were applied in the intervention group, adopting p < 0.05. Forty-two pregnant women were randomized, with 22 allocated to the intervention group and 20 to the placebo group. All participants presented low mean baseline serum vitamin E levels (4.68 ± 2.12 μmol/L) and inadequate dietary intake (6.06 ± 2.49 mg/day). Supplementation resulted in a significant increase in serum α-tocopherol concentrations in the intervention group (4.29 ± 2.06 vs. 31.70 ± 14.66 μmol/L; p = 0.001), with no association with maternal or neonatal variables. Vitamin E supplementation increased serum α-TOH levels and corrected maternal deficiency; however, it did not result in clinically significant benefits in maternal–infant outcomes, indicating the need for longitudinal studies.
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9
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LUIZ JOSE DE SANT ANNA NETO
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ASSOCIATION BETWEEN ANGER EXPRESSION AND PERINATAL OUTCOMES IN LOW-RISK PREGNANT WOMEN
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Advisor : RICARDO NEY OLIVEIRA COBUCCI
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COMMITTEE MEMBERS :
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MARIA DE LOURDES COSTA DA SILVA
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PAULA ADRIANA BORBA
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RICARDO NEY OLIVEIRA COBUCCI
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Data: Mar 2, 2026
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Show Abstract
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Anger is a basic, adaptive, and inherent human emotion that, when expressed in a dysregulated manner, can lead to negative health impacts, making it a relevant---yet still under- explored---component of perinatal mental health. During the pregnancy-puerperal cycle, its manifestation is associated with impairments in maternal health and the mother-infant bond. Studies suggest a possible relationship between anger and adverse obstetric outcomes, such as prematurity and other complications, the etiologies of which remain partially unknown and are of high relevance to public health. Despite this, anger remains neglected in both clinical practice and scientific literature, reinforcing the need for investigations that evaluate its association with obstetric and perinatal complications. The objectives of the present study were to investigate the relationship between the expression of anger and the occurrence of prematurity, miscarriage or fetal death, newborn admission to the intensive care unit, birth weight, and the presence of maternal illnesses. This is a longitudinal study conducted with low-risk pregnant women treated at Family Health Units in the eastern zone of Natal/RN, aiming to analyze the expression of anger throughout the pregnancy-puerperal cycle and its relationship with sociodemographic, clinical, obstetric, and neonatal characteristics. Participants were followed at three distinct moments: up to the 19th gestational week, up to the 36th week, and in the postpartum period or following a miscarriage or fetal death. Anger expression was assessed using the State- Trait Anger Expression Inventory (STAXI-1), a validated instrument translated into portuguese. The results showed a predominance of young adult pregnant women with a high school education, a family income between one and three minimum wages, and a high percentage of unplanned pregnancies. No statistically significant association was observed between the expression of anger and adverse obstetric outcomes, such as prematurity, birth weight, and newborn admission to the intensive care unit, possibly due to the low absolute number of these events within the cohort. Furthermore, no consistent association was identified between most dimensions of anger and the occurrence of gestational hypertension or diabetes, a finding that partially diverges from literature based on non-pregnant populations.
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10
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RAISA ACACIO FRANCA COSTA
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COMPLEMENTARY FEEDNIG IN PREMATURE INFANTS: ITS RELATIONSHIP WITH THE MATERNAL NUTRITION
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Advisor : MARCIA MARILIA GOMES DANTAS LOPES
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COMMITTEE MEMBERS :
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DANIELLE SOARES BEZERRA
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JOSIANE STELUTI
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KARLA DANIELLY DA SILVA RIBEIRO RODRIGUES
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MARCIA MARILIA GOMES DANTAS LOPES
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Data: Mar 17, 2026
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Show Abstract
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Introduction: Maternal dietary habits play a fundamental role in shaping children’s eating patterns, acting as a direct modulator of the quality and variety of foods offered during the complementary feeding period. This influence becomes even more critical in contexts of greater vulnerability, such as prematurity, in which developmental particularities and condition-related challenges may hinder the appropriate introduction of new foods. The combination of inadequate maternal feeding practices and the complexities of prematurity may predispose children to undesirable dietary patterns, with short- and long-term repercussions. Early or inappropriate complementary feeding is associated with an increased risk of several health conditions, including food allergies, celiac disease, and childhood obesity. However, studies specifically investigating the relationship between maternal dietary intake and complementary feeding practices among preterm infants remain scarce, highlighting the need for further research in this area. Objective: To analyze the influence of maternal dietary intake on complementary feeding practices among preterm infants. Methods: An observational, cross-sectional, and analytical study was conducted with mother–infant dyads, including preterm infants followed at the outpatient clinic of Januário Cicco Maternity School. Maternal socioeconomic data (income, educational level, and marital status) and child-related data (anthropometric measurements and feeding practice indicators according to World Health Organization guidelines) were collected. Dietary intake of the dyads was assessed using 24-hour dietary recalls. A significance level of p < 0.05 was adopted for statistical analyses. Descriptive statistics, the Kolmogorov–Smirnov normality test, and inferential analyses were performed to investigate the relationship between maternal dietary intake (independent variable) and infant complementary feeding practices (dependent variable). Associations were assessed using the chi-square test, agreement was evaluated using the Kappa test, and bivariate logistic regression models adjusted for covariates were applied to identify maternal predictors of infant outcomes. Nutritional assessment was based on the analysis of dietary recalls using the Brazilian Food Composition Table (TBCA) and Dietary Reference Intakes (DRIs), with the Multiple Source Method (MSM) employed to estimate habitual nutrient intake. Results: The final sample consisted of 83 mother–infant dyads. The median age of infants was 13 months. Early complementary feeding (before 6 months of corrected age) was observed in 22% of the population, and 88% of the children were breastfed at some point in life. Regarding the quality of complementary feeding, a concerning finding was that 66.2% of the children consumed some type of unhealthy food. However, a positive aspect was that 92% of the children consumed fruit or vegetables. Analysis of maternal diet revealed a consumption profile with significant deficiencies: most mothers reported the intake of sugar-sweetened beverages and foods classified as unhealthy in their dietary recalls. Additionally, high prevalences of inadequate intake of essential micronutrients were identified, including vitamins D, E, A, and B6, as well as calcium and selenium. Statistical analysis showed a significant association between maternal and child consumption of unhealthy foods (p = 0.028), as well as between maternal and child consumption of fruits and vegetables (p = 0.004). Binary logistic regression demonstrated that maternal consumption of unhealthy foods, after adjustment for maternal educational level, was a significant predictor of the child’s consumption of these same foods. Conclusions: This study demonstrated a clear association between maternal feeding practices and those of their preterm infants, highlighting the impact of maternal educational level in this relationship. The high prevalence of inadequate intake of essential micronutrients among mothers is a concerning finding, given the potential impact of maternal nutrition on child health, either through breastfeeding or through the modeling of family eating habits. These results reinforce the crucial importance of developing and implementing food and nutrition education strategies targeted at mothers of preterm infants. Such interventions should adopt a comprehensive approach, promoting not only the qualitative adequacy of the child’s diet but also the adoption of healthy food choices by the entire family, aiming to improve nutritional status and prevent short- and long-term health outcomes.
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11
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DARY MEDEIROS DANTAS
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EFFICACY AND SAFETY OF PEMBROLIZUMAB IN ADVANCED CERVICAL CANCER: A SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED CLINICAL TRIALS
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Advisor : RICARDO NEY OLIVEIRA COBUCCI
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COMMITTEE MEMBERS :
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ADRIANA AUGUSTO DE REZENDE
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IRAMI ARAUJO FILHO
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RICARDO NEY OLIVEIRA COBUCCI
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Data: Mar 20, 2026
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Show Abstract
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Programmed cell death protein-1 (PD-1) inhibitors have been extensively investigated and established as a promising therapeutic strategy in the treatment of cervical cancer (CC), particularly as immune checkpoint inhibitors capable of restoring endogenous anti-tumor immunity. Pembrolizumab, a humanized monoclonal antibody that acts as an immune checkpoint inhibitor, received accelerated FDA approval in 2018 and subsequent expanded approvals for the treatment of recurrent or metastatic CC with positive PD-L1 expression. Phase III clinical trials have demonstrated substantial and clinically significant improvement in overall survival (OS) when pembrolizumab is combined with chemotherapy, with or without bevacizumab. The aim of this systematic review was to comprehensively evaluate the efficacy, safety, and certainty of evidence for pembrolizumab, alone or in combination with bevacizumab and chemotherapy, in the treatment of advanced, recurrent, or metastatic cervical cancer, with detailed subgroup analyses according to PD-L1 expression and concomitant bevacizumab use. A systematic review and meta-analysis of phase III randomized controlled trials (RCTs) was conducted in strict accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, with prospective registration in the International Prospective Register of Systematic Reviews (PROSPERO; CRD42024531233). Phase III RCTs comparing pembrolizumab-based regimens versus standard care/placebo were included. The databases searched were PubMed, EMBASE, Scopus, Web of Science, and the Cochrane Library (up to July 2025). The primary outcomes were overall survival (OS) and progression-free survival (PFS), expressed as hazard ratios (HRs) with 95% confidence intervals (CIs). Secondary outcomes included objective response rate (ORR), complete response (CR), partial response (PR), and adverse events (AEs) of any grade and grade ≥3. Certainty of evidence was systematically assessed using the GRADE (Grading of Recommendations Assessment, Development and Evaluation) approach. Four RCTs (n = 2,911 participants), including the paradigmatic KEYNOTE-826 and KEYNOTE-A18 trials, were analyzed. Pembrolizumab significantly improved OS (HR 0.66; 95% CI 0.59–0.73; I² = 12%; high certainty of evidence) and PFS (HR 0.65; 95% CI 0.59–0.71; I² = 8%; high certainty). Benefits were consistent and of clinically relevant magnitude across subgroups with PD-L1 combined positive score (CPS) ≥1 (subgroup HR 0.63) and ≥10 (subgroup HR 0.58), demonstrating benefit independent of PD- L1 expression level or concomitant bevacizumab use. Clinically significant increases in ORR (OR 1.74; 95% CI 1.47–2.05) and complete response rates (OR 1.61; 95% CI 1.27–2.05) were observed. The incidence of grade ≥3 adverse events was moderately elevated in the pembrolizumab group (79.1% vs. 72.7%; OR 1.42), predominantly hematologic toxicities, with a safety profile considered clinically manageable in the context of survival benefit. Pembrolizumab-based therapeutic regimens substantially and significantly improve overall survival and treatment response in advanced cervical cancer, with high- certainty evidence, establishing them as first-line standard of care in accordance with recent FDA approvals. These robust findings strongly support the integration of pembrolizumab into multidisciplinary treatment protocols, particularly for patients with PD-L1-positive cervical cancer, representing a significant milestone in the evolution of gynecologic oncology treatment.
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