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Resumo O objetivo do artigo é avaliar a prevalência de adesão ao tratamento anti-hipertensivo na população brasileira, com base nos estudos revisados por pares, que utilizaram instrumentos elaborados e/ou adaptados exclusivamente para este fim. Revisão sistemática com meta-análise, baseada nas recomendações do Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). A busca foi realizada nas bases BDENF, SciELO, Cuiden, PsycINFOe, CINAHL, Embase, LILACS, MEDLINE, e nos buscadores acadêmicos AgeLine, Google Scholar e ScienceDirect. O protocolo foi registrado no PROSPERO (CRD42021292689). Modelos de efeitos aleatórios foram usados para meta-análise das prevalências obtidas dos estudos individuais. Incluíram-se 104 estudos na meta-análise sobre tratamento anti-hipertensivo na população brasileira, totalizando 38.299 pacientes. O instrumento mais utilizado foi o teste de Morisky-Green de quatro itens (49,5%). A prevalência de adesão estimada pela foi de 44,4% (IC95%: 39,12%-49,94%, I2 = 91,17, p < 0,001), apresentando alta heterogeneidade. A prevalência de adesão ao tratamento anti-hipertensivo encontrada nos estudos nacionais foi insatisfatória, demonstrando que essa problemática continua sendo um grande desafio.

Abstract This article aims to evaluate the adherence to antihypertensive treatment prevalence in the Brazilian population based on peer-reviewed studies which used instruments exclusively designed and/or adapted for this purpose. A systematic review with meta-analysis based on the recommendations of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). The search was carried out in the BDENF, SciELO, Cuiden, PsycINFOe, CINAHL, Embase, LILACS, and MEDLINE databases, as well as the AgeLine, Google Scholar and ScienceDirect academic search engines. The protocol was registered with PROSPERO (CRD42021292689). Random effects models were used for a meta-analysis of the prevalence obtained from individual studies. A total of 104 studies were included in the meta-analysis on antihypertensive treatment in the Brazilian population, totaling 38,299 patients. The most used instrument was the four-item Morisky-Green Test (49.5%). The adherence prevalence estimated by the meta-analysis was 44.4% (95%CI: 39.12%-49.94%, I2 = 91.17, p < 0.001), showing high heterogeneity. The adherence to antihypertensive treatment prevalence found in national studies was unsatisfactory, demonstrating that this problem continues to be a major challenge.

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OBJECTIVE: This study describes the frequency of obstetric anal sphincter injuries (OASIS) in patients after instrumental delivery according to the type of forceps used. METHODS: A retrospective comparative cohort study was conducted on patients who underwent instrumental delivery from January 2017 to April 2022. The primary outcome was the presence of OASIS following delivery. Patients were categorized into Cohort A if only rotation forceps were used, Cohort B for only traction forceps, and Cohort C if both types were used sequentially. Statistical analysis was performed with SPSS (IBM, New York, NY) with χ2, Fisher's exact, and analysis of variance testing. A P-value <0.05 was considered significant. RESULTS: OASIS occurred in 45 of 328 instrumental deliveries. OASIS after rotation forceps occurred in 12.9% (n = 8) of cases, after traction forceps in 13.2% (n = 34), and after sequential use of rotation and traction forceps in 37.5% (n = 3) of cases (p = 0.141). An odds ratio (OR) of 0.91 (95% confidence interval [CI] 0.40-2.08) for OASIS was obtained with the use of rotation forceps, 0.81 (95% CI 0.38-1.70) for traction forceps, and 3.97 (95% CI 0.91-17.2) for the sequential use of rotation and traction forceps. CONCLUSION: There were no significant differences in the presence of OASIS comparing traction and rotation forceps. A non-significant trend of higher OASIS following the sequential use of traction and rotation forceps was observed.

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INTRODUCTION: Curved mesial roots can be challenging for different stages of endodontic treatment. Preparation aims to enlarge, clean, and shape the root canal system, and hundreds of systems are available to carry it out. Aiming to maintain pericervical dentin, minimally invasive preparation was proposed, and with it, instruments with lower tapers emerged. This study aimed to evaluate the increase in canal volume, the centering ability of the instruments, and root canal transportation of two different rotary systems with lower tapers. METHODS: Eighteen curved mesial roots of extracted mandibular molars were scanned by micro-CT at 3 moments: initial and after the 2 stages of endodontic preparation. The canals were prepared using TruNatomy (TN) and ProDesign Logic 2 (PDL2) instruments up to sizes 25.04 and 26.04, respectively, and after 36.03 and 35.05, respectively. The data were analyzed using parametric and nonparametric tests with a significance level of 5%. RESULTS: TN and PDL2 systems showed no difference regarding the increase in the volume of the canals with the first instruments, but after preparation with a diameter size of 35 or 36, there was a difference (P < .01) between the systems in the cervical and middle thirds. CONCLUSION: Both systems shaped the mesial canals of mandibular molars while keeping low transportation and good centering ability in enlargements up to diameter size 35 or 36 with tapers of 3 or 5%.

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INTRODUCTION: To compare the stress produced on the walls of simulated canals by rotary instruments with varied tip and taper sizes. METHODS: Ninety isotropic transparent blocks, each containing a 60-degree curved canal, were distributed into 18 groups (n = 5) based on the instrument tip (sizes 10, 15, 20, 25, 30, and 35) and taper (sizes 0.02, 0.04, and 0.06). The blocks were fixed in a circular polariscope setup for dark field analysis. A digital camera was employed to capture the real-time birefringence patterns generated by each instrument. Digital image frames, corresponding to the instrument reaching the end of each canal third, were extracted and evaluated by 2 independent observers for the stress generation on canal walls. The data analysis employed a semi-quantitative scale ranging from 0 to 5. Cohen's Kappa coefficient test was used to determine the inter-observer agreement while the results were compared using Kruskal-Wallis test followed by an all-pairwise posthoc procedure (α = 5%). RESULTS: Inter-observer agreement was 0.95. A significant influence of the tip size on stress was observed across the coronal (P = .011), middle (P = .006), and apical (P = .026) thirds. In contrast, taper size did not affect the stress induced at the coronal (P = .509), middle (P = .958), or apical (P = .493) thirds. The variations in tip and taper sizes did not result in a significant stress differences among the thirds (P = .181). CONCLUSIONS: The stress significantly increased across all canal thirds with larger tip sizes of rotary instruments, whereas the taper sizes did not influence the stress when compared to the canal thirds.

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BACKGROUND: Prospective memory is the ability to engage in an intention to be performed in the future. The main objective of this study was to identify instruments that assess both time-based and event-based prospective memory in children and adolescents and that have the potential to be clinically applicable. METHOD: Three databases (PubMed, Scopus, and PsycINFO) were searched to identify existing PM measures in original articles published until 2022. Literature searches were conducted using the following terms: (prospective memor* OR memor* for intentions) AND (neuropsychological assessment) AND (test* OR instrument* OR questionnaire* OR task*) AND (psychometric properties) AND (child* OR adolescen*). Relevant studies identified in the reference lists were also included in the review. RESULTS: Ten instruments were identified and classified into three categories: (a) test batteries, (b) experimental procedures, and (c) questionnaires. All the instruments identified were described concerning their content and the psychometric properties available. Some of the instruments presented empirical evidence regarding validity and reliability, but no one provided normative data. CONCLUSION: Besides the recent progress regarding studies publishing the development of a variety of novel measures, there are still many limitations surrounding the assessment of PM in the youth population because of the yet incipient psychometric properties presented by the majority of the PM instruments. Recommendations for a gold-standard PM instrument for assessing children and adolescents are provided.

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OBJECTIVE: The aim of this study was to evaluate the effect of three training methodologies on the acquisition of psychomotor skills for laparoendoscopic single-site surgery (LESS), using straight and articulating instruments. METHODS: A prospective study was conducted with subjects randomly divided into three groups, who performed a specific training for 12 days using three laparoscopic tasks in a laparoscopic simulator. Group-A trained in conventional laparoscopy setting using straight instruments and in LESS setting using both straight and articulating instruments. Group-B trained in LESS setting using straight and articulating instruments, whereas Group-C trained in LESS setting using articulating instruments. Participants' performance was recorded with a video-tracking system and evaluated with 12 motion analysis parameters (MAPs). RESULTS: All groups obtained significant differences in their performance in most of the MAPs. Group-C showed an improvement in nine MAPs, with a high level of technical competence. Group-A presented a marked improvement in bimanual dexterity skills. CONCLUSIONS: Training in LESS surgery using articulating laparoscopic instruments improves the quality of skills and allows smoother learning curves.

OBJETIVO: Evaluar el efecto de tres métodos de entrenamiento en la adquisición de habilidades psicomotrices para la cirugía laparoendoscópica por puerto único (LESS, laparoendoscopic single-site surgery) utilizando instrumental recto y articulado. MÉTODO: Se realizó un estudio prospectivo con sujetos divididos aleatoriamente en tres grupos, quienes realizaron un entrenamiento específico durante 12 días utilizando tres tareas laparoscópicas en un simulador laparoscópico. El grupo A entrenó en el entorno laparoscópico convencional con instrumentos rectos, y en el entorno LESS con instrumentos rectos y articulados. El grupo B entrenó en el entorno LESS con instrumentos rectos y articulados. El Grupo C entrenó en el entorno LESS con instrumentos articulados. El desempeño de los participantes se registró con un sistema de seguimiento en video y fue evaluado con 12 parámetros de análisis de movimiento (MAP, motion analysis parameters). RESULTADOS: Todos los grupos obtuvieron diferencias significativas en su desempeño para la mayoría de los MAP. El grupo C mostró una mejora en nueve MAP, con un alto nivel de competencia técnica. El grupo A mostró una marcada mejora en la habilidad de destreza bimanual. CONCLUSIONES: El entrenamiento en cirugía LESS con instrumentos articulados mejora la calidad de las habilidades adquiridas y permite curvas de aprendizaje más suaves.

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BACKGROUND: The Work Ability Index (WAI) assesses work demands, health status, and physical and mental resources. OBJECTIVES: To evaluate the measurement properties of the WAI, single-item work ability score (WAS), and short version for online applications. METHODS: One hundred three workers completed the 3 versions of the WAI and the Perceived Stress Scale (PSS-10) questionnaire. The reproducibility and construct validity of the 3 versions of the WAI and their concurrent validity with the PSS-10 were tested. Statistical tests were performed with IBM® SPSS 28.0. RESULTS: The test-retest reliability of the WAI, WAS, and WAI short version ranged from good to excellent. The WAI and WAI short version showed excellent internal consistency. The construct validity of the WAS was moderate and positive and it was excellent and positive for the WAI short version. Concurrent validity of the WAI, WAS, and WAI short version was moderate and negative, and item mental resources were strong and negative. Factor analysis reached an acceptable level for all indexes (≥ 0.90). The analysis with two factors reached an acceptable level for all indexes (≥ 0.90) and was the best model. CONCLUSION: The reliability and construct and concurrent validity of the various versions of the WAI were strong to excellent in online applications. Confirmatory factor analysis demonstrated a new grouping of items for the WAI Brazilian version. However, it is necessary to be careful in the choice due to the distribution model of items in health domains and aspects of work.

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The advent of miniaturized NIR instruments, also known as compact, portable, or handheld, is revolutionizing how technology can be employed in forensics. In-field analysis becomes feasible and affordable with these new instruments, and a series of methods has been developed to provide the police and official agents with objective, easy-to-use, tailored, and accurate qualitative and quantitative forensic results. This work discusses the main aspects and presents a comprehensive and critical review of compact NIR spectrophotometers associated with analytical protocols to produce information on forensic matters.

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Weather radiosondes play a crucial role in gathering atmospheric data for weather modeling and forecasting. However, their impact on marine wildlife, particularly seabirds, has raised concerns regarding the potential threats posed by these instruments. This study aims to assess the adverse effects of weather balloons on albatrosses, with a focus on the Southwest Atlantic region. The research reveals seven cases of entanglement of radiosonde equipment, leading to severe injuries and mortality along the Southern and Southeastern coasts of Brazil. Recommendations for mitigating the environmental impact of weather balloons include the adoption of biodegradable materials in their design and the implementation of improved retrieval protocols. Furthermore, the study stresses the importance of continued monitoring and research to address the interaction of weather radiosondes with marine animals. This approach is vital for ensuring the sustainable collection of scientific data while minimizing harm to marine life and ecosystems.

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INTRODUCTION: In an effort to enhance the quality of mechanized endodontic instruments, various thermal treatment methods, and design modifications have been suggested. However, upon evaluation, these endodontic instruments may exhibit microscopic irregularities. The objective of this in vitro study was to analyze the cutting capacity, surface finish, and mechanical properties of Nickel-Titanium 25/.04 Rotate (VDW GmbH, Munich, Germany) and LOGIC 2 (Easy Equipamentos Odontológicos, Belo Horizonte, MG, Brazil) rotary instruments. METHODOLOGY: Twenty rotary instruments were divided into 2 groups: GR, the group with ROTATE instruments (n = 10); and GL2, the group with LOGIC 2 instruments (n = 10). They were evaluated for roughness, using a profilometer, for bending resistance, buckling resistance, and cutting capacity using a universal testing machine, as well as for torsional strength (torque and angular deflection) using a torquemeter. The instruments were visualized before and after the mechanical tests through scanning electron microscopy. RESULTS: GR showed better surface finish in terms of roughness, greater cutting capacity, and greater angular deflection than GL2 (P < .05). However, GL2 showed better flexibility than GR (P < .05). GL2 and GR did not show statistically significant differences in terms of buckling and torque (P > .05). CONCLUSION: The ROTATE and LOGIC 2 rotary instruments differed in their surface finish, cutting capacity, and mechanical properties, except for their buckling resistance and required fracture torque.

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OBJECTIVE: This systematic review aimed to review the reliability and validity of oral health-related quality of life (OHRQoL) questionnaires for Brazilian children and adolescents. Also, the cross-cultural adaptation was evaluated. METHODS: This systematic review is registered in PROSPERO (CRD42022300018) and was performed based on the COSMIN guideline. Electronic searches were performed in the PubMed/MEDLINE, Web of Science, Lilacs, BVS (BIREME), Scielo, and Embase databases until March 2023 by two independent reviewers. There was no restriction on time or language. The following studies were included: validation studies and cross-cultural adaptation of OHRQoL instruments into Brazilian Portuguese; studies that evaluated the measurement properties of OHRQoL questionnaires in children and adolescents and that reported at least one of the measurement properties: reliability, internal consistency, error measurement, content validity, construct validity, criterion validity, discriminant validity, and/or convergent validity. The following were excluded: studies of systematic reviews of OHRQoL measures; studies reporting OHRQoL assessment through instruments; construction (development) and validation of a new instrument; questionnaires that had a single item; and validation for Portuguese from Portugal. The cross-cultural adaptation process and psychometrics of the included studies were verified. RESULTS: 6556 articles were identified, and 19 manuscripts were included. All studies were conducted in Brazil, and the age of the participants ranged from 2 to 15.42 years old. Sixteen articles presented the cross-cultural validation steps. Cronbach's alpha of the revised instruments ranged from 0.59 to 0.86. CONCLUSIONS: It can be concluded that most studies provided information and evidence regarding validity, reliability, translation, and cultural adaptation.

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AIM: To compare eight large- and low-tapered heat-treated reciprocating instruments regarding their design, metallurgy, mechanical properties, and irrigation flow through an in silico model. METHODOLOGY: A total of 472 new 25-mm E-Flex Rex (25/.04 and 25/.06), Excalibur (25/.05), Procodile (25/.06), Reciproc Blue R25 (25/.08v), WaveOne Gold Primary (25/.07v), and Univy Sense (25/.04 and 25/.06) instruments were evaluated regarding their design (stereomicroscopy, scanning electron microscopy, and 3D surface scanning), metallurgy (energy-dispersive X-ray spectroscopy and differential scanning calorimetry), and mechanical performance (cyclic fatigue, torsional resistance, cutting ability, bending and buckling resistance). Computational fluid dynamics assessment was also conducted to determine the irrigation flow pattern, apical pressure, and wall shear stress in simulated canal preparations. Kruskal-Wallis and one-way anova post hoc Tukey tests were used for statistical comparisons (α = 5%). RESULTS: Instruments presented variations in blade numbers, helical angles, and tip designs, with all featuring non-active tips, symmetrical blades, and equiatomic nickel-titanium ratios. Cross-sectional designs exhibited an S-shaped geometry, except for WaveOne Gold. Univy 25/.04 and Reciproc Blue displayed the smallest and largest core diameters at D3. Univy 25/.04 and E-Flex Rec 25/.04 demonstrated the longest time to fracture (p < .05). Reciproc Blue and Univy 25/.04 exhibited the highest and lowest torque to fracture, respectively (p < .05). Univy 25/.04 and Reciproc Blue had the highest rotation angles, whilst E-Flex Rec 25/.06 showed the lowest angle (p < .05). The better cutting ability was observed with E-Flex Rec 25/.06, Procodile, Excalibur, and Reciproc Blue (p > .05). Reciproc R25 and E-Flex Rec showed the highest buckling resistance values (p < .05), with WaveOne Gold being the least flexible instrument. The impact of instruments' size and taper on wall shear stress and apical pressure did not follow a distinct pattern, although Univy 25/.04 and E-Flex Rec 25/.06 yielded the highest and lowest values for both parameters, respectively. CONCLUSIONS: Low-tapered reciprocating instruments exhibit increased flexibility, higher time to fracture, and greater angles of rotation, coupled with reduced maximum bending loads and buckling strength compared to large-tapered instruments. Nevertheless, low-tapered systems also exhibit lower maximum torque to fracture and inferior cutting ability, contributing to a narrower apical canal enlargement that may compromise the penetration of irrigants in that region.

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Objective: To evaluate the influence of different instrument identifiers on the microbial growth of critical devices after cleaning and steriliza-tion steps. Method: Fifteen No. 3 scalpel handles were used as test specimens, divided into 3 groups (n=5), with each group consisting of an instrument without an identifier and four other instruments with the following identifiers: laser engraving, silicone ring, vinyl identifier with permanent adhesive and personalized adhesive label. After being submerged in the surgical aspirate, the instruments were processed in accordance with the good practice requirements of Resolution No. 15/2012 from the National Health Surveillance Agency (Anvisa). Microbial growth was evaluated at different times qual-itatively, by the presence or absence of growth, and quantitatively for positive cases, by counting viable colony-forming units (log CFU/scalpel handle). Results: At some point, there was microbial growth on the instruments regardless of the type of identifier. However, there was no continuous and pro-gressive contamination after repeating the cleaning and sterilization steps. Conclusion: The type of dental instrument identifier does not interfere with microbial growth as long as cleaning and sterilization standards are respected. (AU)

Objetivo: Evaluar la influencia de los diferentes identificadores de instrumental en el crecimiento microbiano de dispositivos críticos después de las etapas de limpieza y esterilización. Método: Se utilizaron 15 mangos #3 para cuchillas de bisturí como cuerpo de prueba, divididos en 3 grupos (n=5), cada grupo compuesto por un instrumental sin identificador y otros cuatro instrumentales con los siguientes identificadores: grabado a láser, ani-llo de silicona, identificador vinílico con adhesivo permanente y etiqueta adhesiva personalizada. Después de ser sumergidos en el aspirado quirúrgico, los instrumentales fueron procesados de acuerdo con los requisitos de buenas prácticas de la Resolución nº 15/2012 de la Agencia Nacional de Vigilancia Sanitaria (Anvisa). El crecimiento microbiano se evaluó en diferentes momentos de forma cualitativa, por la presencia o ausencia de crecimiento, y de forma cuantitativa para los casos positivos, mediante el recuento de unidades formadoras de colonias viables (log UFC/mango de bisturí). Resultados: En algún momento, hubo crecimiento microbiano en los instrumentales independientemente del tipo de identificador. Sin embargo, no hubo contaminación con-tinua y progresiva después de la repetición de las etapas de limpieza y esterilización. Conclusión: El tipo de identificador de instrumental odontológico no interfiere en el crecimiento microbiano siempre que se respeten las normas de limpieza y esterilización. (AU)

Objetivo: Avaliar a influência dos diferentes identificadores de instrumental no crescimento microbiano de dispositivos críticos após etapas de limpeza e esterilização. Método: Foram utilizados 15 cabos no 3 para lâminas de bisturi como corpo de prova, divididos em 3 grupos (n=5), sendo cada grupo composto de um instrumental sem identificador e outros quatro instrumentais com os seguintes identificadores: gravação a laser, anel de silicone, identificador vinílico com adesivo permanente e etiqueta adesiva personalizada. Após serem submersos no aspirado cirúrgico, os instrumentais foram processados de acordo com os requisitos de boas práticas da Resolução n. 15/2012 da Agência Nacional de Vigilância Sanitária (Anvisa). O crescimento microbiano foi avaliado em diferentes momentos de forma qualitativa, pela presença ou ausência de crescimento, e de forma quantitativa para os casos positivos, por meio de contagem de unidades formadoras de colônia viáveis (log UFC/cabo de bisturi). Resultados: Em algum momento, houve cres-cimento microbiano nos instrumentais independentemente do tipo de identificador. No entanto, não houve contaminação contínua e progressiva após repetição das etapas de limpeza e esterilização. Conclusão: O tipo de identificador de instrumental odontológico não interfere no crescimento micro-biano desde que sejam respeitadas as normas de limpeza e esterilização. (AU)

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BACKGROUND: Older adults present a variety of oral diseases and conditions, in addition to co-morbidities and limited access to dental care, which significantly impact their oral health-related quality of life (OHRQoL). There are many instruments published to measure OHRQoL. However, it is challenging for clinicians and researchers to choose the best instrument for a given purpose. PURPOSE: To identify OHRQoL instruments available for older adults and summarize the evidence on the conceptual and measurement model, psychometric properties, interpretability, and administration issues of OHRQoL instruments available for older adults through a systematic review. METHODS: A systematic search was conducted in MEDLINE, EMBASE, LILACS, and CENTRAL up to February 2023. Articles reporting information on the concept model measurement, psychometric properties, and administration issues of an instrument measuring OHRQoL in older adults were included. Two researchers independently evaluated each instrument using the Evaluating Measures of Patient-Reported Outcomes (EMPRO) tool. The overall score and seven attribute-specific scores were calculated (range 0-100): Conceptual and measurement model, Reliability, Validity, Responsiveness, Interpretability, Burden, and Alternative forms. RESULTS: We identified 14 instruments evaluated in 97 articles. The overall score varied between 73.7 and 8.9, with only six questionnaires over the threshold score 50.0. EORTC QLQ OH-15 (cancer-specific questionnaire) achieved the highest score (73.7), followed by OHIP (generic OHRQoL questionnaire) (66.9), GOHAI (generic OHRQoL questionnaire) (65.5), and OHIDL (generic OHRQoL questionnaire) (65.2). Overall, the Conceptual and measurement model and Validity showed the best performance, while Responsiveness and Interpretability showed the worst. Insufficient information was presented for an overall evaluation of DSQ and OHAI. CONCLUSION: The evidence supports using EORTC QLQ-OH15 as a specific instrument to assess OHRQoL in cancer patients and the OHIP-49, GOHAI, or OHIDL as generic instruments to assess OHRQoL either for cross-sectional or longitudinal studies in older adults.

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PURPOSE: The main purpose of our study is to compare the adverse events occurrence, complications, and postoperative outcomes of Femtosecond Laser-Assisted Cataract Surgery (FLACS) versus conventional phacoemulsification surgery (CPS) in adult patients undergoing cataract surgery. METHODS: We conducted our research using PubMed, Scopus, and MEDLINE through EBSCOhost from 2012 to July 2022 with English and Spanish language restriction, including only Randomized Controlled Trials (RCTs). The PRISMA guidelines were observed for data abstraction, including a random-effects model for each outcome. RESULTS: We analyzed 4844 eyes from 23 RCTs with some low risk of bias according to RoB 2 tool. We found statistically significant differences between the FLACS and CPS groups for the mean absolute error (MD = -0.12, 95% CI:-0.22-[-0.02], p = 0.01), the circularity of capsulorhexis (MD = 0.04, 95% CI: 0.04-0.05, p ≤ 0.00001), IOL centration (D = -0.07, 95% CI:-0.09-[-0.05], p ≤ 0.00001), CDE count (MD = -1.75, 95% CI: -2.75-[-0.74], p = 0.0006), mean phacoemulsification time (MD = -12.90, 95% CI:-20.89-[-4.92], p = 0.002), EPT (MD = -0.93, 95% CI: -1.68-[-0.019], p = 0.01) and endothelial cell density loss ((MD = -0.6, 95% CI: -1-[-0.19], p = 0.004). Also, the safety analysis showed a lower incidence of posterior capsule tear (PCT) in the FLACS group (OR =0.29, 95% CI: 0.09-1, p = 0.05). CONCLUSIONS: Our results suggest that FLACS might be helpful for patients with relatively dense cataracts and low preoperative endothelial cell values.

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INTRODUCTION: The purpose of this study was to evaluate the ability of the Reciproc, Reciproc Blue, and WaveOne Gold systems to remove filling material during endodontic retreatment of extracted human mandibular premolars. METHODS: Thirty-nine teeth were instrumented with the Protaper Universal System to the F3 file and filled with the Tagger hybrid technique using an F3 gutta-percha cone and AH Plus cement. At the end of this period, the teeth were scanned with micro-computed tomography before and after removal of the filling material from the root canals. The teeth were divided into 3 groups (n = 13) based on the apical volume, depending on the systems used to remove the filling material. Group GR: Reciproc 40/.06; Group GRB: Reciproc Blue 40/.06; and Group GWG: WaveOne Gold 35/.06. The results were statistically analyzed using the tests of Kruskal-Wallis, Duncan, and analysis of variance at a significance level of 5%. RESULTS: The results showed that there were no significant differences between the amounts of filling material removed, either for the apical and middle regions alone or in the overall evaluation for the 3 groups (P = .97). The time evaluation statistically showed that the GR and GWG groups required less time to clean the root canals than the GRB group. CONCLUSIONS: Reciproc R40 files and WaveOne Gold Medium files required less time for endodontic treatment than Reciproc Blue R40 files. There was no difference in the ability to remove obturation material between the 3 instruments. No instrument was able to completely remove the filling material from the root canals.

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AIM: This study compared intracanal removal of filling as well as the frequency and volume of extruded material after retreatment with either HyFlex or Reciproc instruments in mandibular teeth from cadavers. METHODOLOGY: The root canals of 14 pairs of contralateral single-rooted teeth in mandibles of cadavers were instrumented with Reciproc R40 and filled using lateral compaction. The mandibles were scanned in a micro-computed tomographic (micro-CT) device before and after retreatment procedures. The contralateral teeth were assigned to two groups (n = 14) according to the retreatment protocol using either HyFlex or Reciproc instrument systems. In the HyFlex group, the HyFlex Remover instrument was worked 3 mm short of the working length (WL), followed by HyFlex CM 40.04 and 50.04 at the WL. In the Reciproc group, the R50 instrument was worked up at the coronal two thirds, followed by two more cycles until the WL was reached. Pre- and post-operative micro-CT images were analysed for extrusion and intracanal removal of filling material. RESULTS: After retreatment, extrusion of filling material occurred in 11 (78%) and 14 (100%) teeth from HyFlex and Reciproc groups respectively (p > .05). A similar volume of extruded material was observed after retreatment with both systems (p > .05). A significant decrease in the intracanal filling volume was verified after retreatment with both tested systems (p < .05). However, residual filling material was found in all root canals, regardless of the system. The amount of filling material removed (HyFlex = 80.8%; Reciproc = 65.9%) and the operation time was similar between systems (p > .05). CONCLUSIONS: A high frequency of filling material extrusion was observed after retreatment with the two systems in a cadaver model, with no significant difference between them. Both protocols obtained similar efficacy in filling material removal procedures, although none completely cleaned the canals.

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Abstract Objective Grazing is a disturbed eating pattern that has been associated with eating disorders and obesity. One of the new measures to investigate this eating behavior is the Short Inventory of Grazing (SIG), a two-item questionnaire that assesses grazing in general and grazing associated with the feeling of loss of control over eating (LOC grazing). However, the psychometric properties of the SIG have not been assessed in the Brazilian population. The present study aimed to cross-culturally adapt and validate a Brazilian version of the SIG. Methods The SIG was adapted to the Brazilian context following international guidelines. Then, 90 undergraduate students completed an online survey including questions from the SIG, the Binge Eating Scale (BES), the Patient Health Questionnaire-9 (PHQ9), the Generalized Anxiety Disorder-7 (GAD7), and a question related to self-reported health status. The internal consistency, test-retest reliability, and convergent validity of the questionnaire were assessed. Results The prevalence rates of at least one weekly episode of grazing in general and LOC grazing were 71.1 and 54.5%, respectively. The internal consistence of the SIG was acceptable (0.81). In addition, SIG scores on both items were positively and significantly associated with BES, GAD7, and PHQ9 scores, and with poorer self-rated health. However, SIG test and retest scores differed significantly. Conclusion Overall, the Brazilian version of the SIG demonstrated adequate psychometric properties. The instrument had adequate internal consistency, with both items exhibiting good convergent validity with related measures.

RESUMO

Gratitude can be understood as a guide for life and ability to perceive and appreciate the positive in the world. The present study aimed to map how many and which instruments are available to measure gratitude, the circumstances of the evaluation and the predominant population. This systematic review located papers in four databases, resulting in a total of 36 papers. Of these, 16 original scales were found, and the remainder indicated as adaptations and validations. The main results show the numerical disparity of the perception of gratitude between genders and in relation to the age group evaluated. GQ-6 and GRAT are the most frequently used scales, with a greater variety of contexts and application audiences. The measures used to assess consistency have demonstrated, in most studies, concise reliability. It concludes by bringing the need for greater access to validated gratitude measures, in addition to the progress in the discussion regarding mental health

A gratidão pode ser entendida como orientação para vida e capacidade de perceber e apreciar o positivo no mundo. O presente estudo objetivou mapear quantos e quais instrumentos estão disponíveis para mensuração da gratidão, as circunstâncias da avaliação e população predominante. Esta revisão sistemática localizou artigos em quatro bases de dados, resultando em um total de 36 artigos. Destes, foram encontradas 16 escalas originais e o restante indicado como adaptações e validações. Os principais resultados demonstram a disparidade numérica da percepção de gratidão entre gêneros e em relação à faixa etária avaliada. GQ-6 e GRAT são as escalas usadas com mais frequência, tendo maior variedade de contextos e públicos de aplicação. As medidas utilizadas para avaliação da consistência demonstraram, na maioria dos estudos, fidedignidade concisas. Conclui-se trazendo a necessidade de maior acesso a medidas de gratidão validadas, além do avanço na discussão referente à saúde mental

La gratitud se entiende como una guía para la vida y la capacidad de percibir y apreciar lo positivo del mundo. El presente estudio tuvo como objetivo mapear cuántos y qué instrumentos están disponibles para medir la gratitud, cuales circunstancias de la evaluación y la población predominante. Esta revisión sistemática ubicó artículos en cuatro bases de datos, lo que resultó en un total de 36 artículos. De estas, se encontraron 16 escalas originales y el resto se indicó como adaptaciones y validaciones. Los principales resultados muestran la disparidad numérica de la percepción de gratitud entre géneros y en relación al grupo de edad evaluado. GQ-6 y GRAT son las escalas más utilizadas, con una mayor variedad de contextos y públicos de aplicación. Las medidas utilizadas para evaluar la coherencia han demostrado, en la mayoría de los estudios, una fiabilidad concisa. Se concluye planteando la necesidad de un mayor acceso a medidas de gratitud validadas, además de los avances en la discusión sobre salud mental

Assuntos