15 research outputs found

    Cardiorespiratory Responses of Post-Menopausal Women to Different Water Exercises

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    The aim of the current study is to analyze and compare oxygen uptake (VO2) and heart rate (HR) in different water exercises. Eight postmenopausal women participated in a set of 4 sessions in water. Eight different exercises were randomly coupled for the 4 sessions. Each exercise was executed at a rate of 60 beats/min for 4 minutes with rest intervals of 30 min. A repeated-measures ANOVA and Bonferroni’s post hoc test were used to test for statistical differences at α \u3c .05. Significant differences were seen in HR and VO2 between some pairs of the 8 exercises. These results suggest that water-exercises classes should be prescribed based on percentages of maximal HR or VO2, not on a fixed cadence, because different exercises correspond to different percentages of maximal effort

    EFEITO DAS SOLUÇÕES IRRIGADORAS USADAS EM ENDODONTIA REGENERATIVA SOBRE AS CÉLULAS-TRONCO DE ORIGEM DENTAL

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    Stem cells derived from teeth act in the maintenance of pulp homeostasis, in addition to having high plasticity and pluripotency. It is worth mentioning that the apical papilla region is full of mesenchymal stem cells (SCAPs), which can survive endodontic infection, and jointly with Hertwig's epithelial root sheath, they direct root development. Therefore, regenerative endodontic therapies are necessary for immature teeth to maintain the viability of these structures and ensure the complete root maturation process. Regenerative endodontic therapy is still evolving, lacking evidence from translational and clinical research to support informed physician choice regarding the best therapeutic irrigation protocol to promote the release of dentin growth factors and tissue repair. Furthermore, clinical studies inherent heterogeneity and complexity have hampered the evaluation of data on the release of growth factors during regenerative endodontic therapies.As células-tronco derivadas dos dentes atuam na manutenção da homeostase pulpar, além de possuir alta plasticidade e pluripotência,  vale ressaltar que a região da papila apical está repleta de células-tronco mesenquimais (SCAPs), que podem sobreviver à infecção endodôntica, e conjuntamente com a bainha epitelial da raiz de Hertwig, eles direcionam o desenvolvimento da raiz. Portanto, regenerativo terapias endodônticas são necessárias para dentes imaturos manterem a viabilidade dessas estruturas e garantir o processo completo de maturação radicular. A endodontia regenerativa a terapia ainda está evoluindo, faltando evidências da pesquisa translacional e clínica apoiar a escolha informada do médico sobre o melhor protocolo de irrigação terapêutica para promover a liberação de fatores de crescimento dentinário e reparo tecidual. Além disso, estudos clínicos heterogeneidade e complexidade inerentes prejudicaram a avaliação dos dados sobre a liberação de fatores de crescimento durante terapias endodônticas regenerativas

    ESTUDO COMPARATIVO DE BIOMATERIAIS TIPO XENOENXERTO E ENXERTO ALOPLÁSTICO PARA CIRURGIA RECONSTRUTIVA ALVEOLAR COM TÉCNICA DE SINUS LIFT COM JANELA LATERAL

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    The materials that we can use as grafting material can have different origins, which in turn conditions their different properties and behaviors. Depending on their ability to interact with the surrounding bone, they can be classified as bioinert or bioactive materials. Bioactive materials are capable of stimulating the formation of bone tissue, bonding directly to the bone, thus forming a strong and unique interface between bone and biomaterial. The graft material, on the other hand, must be biocompatible and resorbable to be integrated into the newly formed bone, which is structurally similar to bone, osteoconductive and, if possible, also osteoinductive and osteogenic. When we work on the bone regeneration process, we must also take its structure into account.Os materiais que podemos utilizar como material de enxerto podem ter origens diversas, o que por sua vez condiciona as suas diferentes propriedades e comportamentos. Dependendo da sua capacidade de interagir com o osso circundante, podem ser classificados como materiais bioinertes ou bioativos. Os materiais bioativos são capazes de estimular a formação de tecido ósseo, unindo-se diretamente ao osso, formando assim uma interface forte e única entre osso e biomaterial. O material de enxerto, por outro lado, deve ser biocompatível e reabsorvido para ser integrado ao osso neoformado, que é estruturalmente semelhante ao osso, osteocondutor e, se possível, também osteoindutor e osteogênico. Quando atuamos no processo de regeneração óssea devemos também levar em consideração a sua estrutura

    Prevalence, associated factors and outcomes of pressure injuries in adult intensive care unit patients: the DecubICUs study

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    Funder: European Society of Intensive Care Medicine; doi: http://dx.doi.org/10.13039/501100013347Funder: Flemish Society for Critical Care NursesAbstract: Purpose: Intensive care unit (ICU) patients are particularly susceptible to developing pressure injuries. Epidemiologic data is however unavailable. We aimed to provide an international picture of the extent of pressure injuries and factors associated with ICU-acquired pressure injuries in adult ICU patients. Methods: International 1-day point-prevalence study; follow-up for outcome assessment until hospital discharge (maximum 12 weeks). Factors associated with ICU-acquired pressure injury and hospital mortality were assessed by generalised linear mixed-effects regression analysis. Results: Data from 13,254 patients in 1117 ICUs (90 countries) revealed 6747 pressure injuries; 3997 (59.2%) were ICU-acquired. Overall prevalence was 26.6% (95% confidence interval [CI] 25.9–27.3). ICU-acquired prevalence was 16.2% (95% CI 15.6–16.8). Sacrum (37%) and heels (19.5%) were most affected. Factors independently associated with ICU-acquired pressure injuries were older age, male sex, being underweight, emergency surgery, higher Simplified Acute Physiology Score II, Braden score 3 days, comorbidities (chronic obstructive pulmonary disease, immunodeficiency), organ support (renal replacement, mechanical ventilation on ICU admission), and being in a low or lower-middle income-economy. Gradually increasing associations with mortality were identified for increasing severity of pressure injury: stage I (odds ratio [OR] 1.5; 95% CI 1.2–1.8), stage II (OR 1.6; 95% CI 1.4–1.9), and stage III or worse (OR 2.8; 95% CI 2.3–3.3). Conclusion: Pressure injuries are common in adult ICU patients. ICU-acquired pressure injuries are associated with mainly intrinsic factors and mortality. Optimal care standards, increased awareness, appropriate resource allocation, and further research into optimal prevention are pivotal to tackle this important patient safety threat

    Cardiorespiratory responses induced by hydrogymanstics exercises performed with and without the use of resistive equipment

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    O objectivo do presente estudo foi analisar a frequência cardíaca e o consumo de oxigénio em exercícios de hidroginástica executados com e sem equipamento resistivo. A amostra foi composta por dez mulheres jovens que realizaram duas sessões de testes aquáticos, com os exercícios jumping jack e cross country sky realizados nas situações sem equipamento resistivo, com equipamento aquafins e com equipamento aqualogger, respeitando intervalos de 30 minutos. Para a coleta de dados de frequência cardíaca foi utilizado um frequencímetro S610 (POLAR) e para o consumo de oxigênio, um analisador de gases KB1-C (AEROSPORT). Utilizou-se ANOVA para medidas repetidas, post-hoc de Bonferroni e teste-t pareado (p<0.05). O cross country sky comparado ao jumping jack apresentou um comportamento mais elevado para ambas as variáveis, provavelmente, devido a uma maior amplitude de movimento e massa muscular envolvida no exercício. Ao compararmos as diferentes situações, no cross country sky foi observado um aumento estatisticamente significativo do consumo de oxigénio da situação sem equipamento para as situações com equipamento, enquanto que no jumping jack não foram observadas diferenças entre as situações. Já a frequência cardíaca apresentou diferenças estatisticamente significativas entre as três situações para ambos os exercícios. Assim, o uso do equipamento resistivo pode ser eficaz para aumentar as respostas cardiorespiratórias associado ao exercício realizado.The aim of the present study was to analyse the heart rate and the oxygen uptake in hydrogymnastics exercises performed with and without the use of resistive equipment. The sample has been composed by ten young women who have undergone two sessions of aquatic tests, with the exercises jumping jack and cross country sky performed in the situations without resistive equipment, with the use of the aquafins equipment and with the use of the aqualogger equipment, which respected 30-minute breaks. For collecting heart rate and oxygen uptake data a S610 frequencimeter (POLAR) and a KB1-C gas analyser (AEROSPORT) were respectively used. ANOVA was used for repetitive measures, post-hoc Bonferroni and paired t-test (p<0.05). The cross country sky compared to the jumping jack showed a higher behavior for both variables due, probably, to a greater movement amplitude and greater muscle mass involved during the execution of the exercise. An increase statistically significant in the oxygen uptake has been observed in the cross country sky from the situation without equipment when compared with the situations with equipment. On the other hand, in the jumping jack have been noticed no differences between the situations. However, the heart rate has presented differences statistically significant among the three situations for both exercises. Therefore, the use of resistive equipment may be efficient in order to increase the cardiorespiratory responses related to the exercise done

    INTERRELAÇÃO PERIODONTIA E DENTISTÍCA RESTAURADORA NA LAPIDAÇÃO DE FACETAS CERÂMICAS

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    Currently, the market offers several ceramic options for the clinician, such as lithium disilicate, feldspathic porcelain, feldspathic porcelain reinforced with leucite and lithium disilicate reinforced with zirconia. These types of ceramics have a high proportion of vitreous. matrix that produces highly aesthetic results and excellent adhesion to resin cement when treated with hydrofluoric acid followed by application of silane. Minimal tooth reduction provides high fracture resistance when resin cement is used to bond a veneer to enamel. High survival rates have been observed for ceramic veneers bonded to enamel. Ceramic veneer preparations can be challenging for inexperienced dentists, and a lack of good clinical protocols can result in failed restorations. The creation of a diagnostic wax-up is critical to the diagnosis and treatment of a potential candidate for veneer restorations.Atualmente, o mercado oferece diversas opções de cerâmica para o clínico, como dissilicato de lítio, porcelana feldspática, porcelana feldspática reforçada com leucita e dissilicato de lítio reforçado com zircônia. Esses tipos de cerâmica possuem alta proporção de vítreo. matriz que produz resultados altamente estéticos e excelente adesão ao cimento resinoso quando tratada com ácido fluorídrico seguido de aplicação de silano. A redução mínima do dente proporciona alta resistência à fratura quando o cimento resinoso é usado para unir uma faceta ao esmalte. Altas taxas de sobrevivência têm tem sido observado para facetas cerâmicas coladas ao esmalte&nbsp; As preparações de facetas cerâmicas podem ser um desafio para dentitistas com pouca experiência, e a falta de bons protocolos clínicos pode resultar em restaurações fracassadas. A criação de um enceramento diagnóstico é fundamental para o diagnóstico e tratamento de um potencial candidato a restaurações facetas

    A randomized trial of planned cesarean or vaginal delivery for twin pregnancy

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    Background: Twin birth is associated with a higher risk of adverse perinatal outcomes than singleton birth. It is unclear whether planned cesarean section results in a lower risk of adverse outcomes than planned vaginal delivery in twin pregnancy.\ud \ud Methods: We randomly assigned women between 32 weeks 0 days and 38 weeks 6 days of gestation with twin pregnancy and with the first twin in the cephalic presentation to planned cesarean section or planned vaginal delivery with cesarean only if indicated. Elective delivery was planned between 37 weeks 5 days and 38 weeks 6 days of gestation. The primary outcome was a composite of fetal or neonatal death or serious neonatal morbidity, with the fetus or infant as the unit of analysis for the statistical comparison.\ud \ud Results: A total of 1398 women (2795 fetuses) were randomly assigned to planned cesarean delivery and 1406 women (2812 fetuses) to planned vaginal delivery. The rate of cesarean delivery was 90.7% in the planned-cesarean-delivery group and 43.8% in the planned-vaginal-delivery group. Women in the planned-cesarean-delivery group delivered earlier than did those in the planned-vaginal-delivery group (mean number of days from randomization to delivery, 12.4 vs. 13.3; P = 0.04). There was no significant difference in the composite primary outcome between the planned-cesarean-delivery group and the planned-vaginal-delivery group (2.2% and 1.9%, respectively; odds ratio with planned cesarean delivery, 1.16; 95% confidence interval, 0.77 to 1.74; P = 0.49).\ud \ud Conclusion: In twin pregnancy between 32 weeks 0 days and 38 weeks 6 days of gestation, with the first twin in the cephalic presentation, planned cesarean delivery did not significantly decrease or increase the risk of fetal or neonatal death or serious neonatal morbidity, as compared with planned vaginal delivery
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