220 research outputs found

    Chromium and zinc in a series of plants used in Portugal in the herbal treatment of non-insulinized diabetes

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    Chromium (Cr3+) and zinc (Zn2+) are essential micronutrients for humans. Chromium's main action is thought to be the regulation of blood sugar, because chromium deficiency is related with diabetic-like (type 2) symptoms, and chromium supplementation is associated with increased glucose tolerance and insulin sensitivity. Zinc supplementation also alleviates hyperglycaemia of the same type of diabetic patients contributing to improved insulin activity. Some Portuguese plants are commonly used as teas, alcoholic extracts or as powders by diabetic people and as medicines. Although their active principle is not yet known, the importance of their chromium and zinc content in the claimed therapeutic properties should not be disregarded. Thus, the determination of chromium and zinc in some Portuguese medicinal plants was performed by atomic absorption spectrophotometry. Almost all the analysed plants contain chromium and zinc at the normal level for these elements but many plants, which are used for the preparation of teas or other forms of remedies to help those type of diabetic patients, contain them in higher levels

    Transvesical peritoneoscopy with rigid scope: feasibility study in human male cadaver

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    BACKGROUND: Transvesical port refers to the method of accessing the abdominal cavity through a natural orifice (i.e., urethra) under endoscopic visualization. Since its introduction in 2006, various reports have been published describing different surgical interventions using a rigid ureteroscope in a porcine model. The aim of this study was to test the access and feasibility of peritoneoscopy by using a rigid ureteroscope in a human male cadaver. METHODS: Two adult male cadavers were used to perform the procedures. A rigid ureteroscope was used for the creation of transvesical access into the peritoneal cavity. Peritoneoscopy, liver biopsy, and identification and manipulation of the ileocecal appendix were performed. RESULTS: Transvesical access into the peritoneal cavity was quickly established. The rigid ureteroscope easily allowed visualization of the abdominal cavity with good image quality. Liver biopsy and manipulation of ileocecal appendix were carried out without difficulties. CONCLUSIONS: Peritoneoscopy, liver biopsy, and ileocecal appendix manipulation using a rigid ureteroscope through a transvesical port is feasible in a cadaver model. The development of a specific rigid scope for the transvesical port might herald a promising future for this NOTES access

    NEFRECTOMIA PARCIAL – A EXPERIÊNCIA DE 10 ANOS DO HOSPITAL DE SANTO ANTÓNIO

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    A nefrectomia parcial (NP) é uma técnica reconhecida no tratamento de diferentes patologias renais,nomedamente na oncológica. Os autores apresentam a sua casuística dos últimos 10 anos, com avaliação dos índices de recorrência e sobrevivência

    Métodos para estimativa da disponibilidade de fósforo em um latossolo com diferentes históricos de uso e doses de fósforo, cultivado com feijoeiro e braquiaria.

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    A resposta das culturas à adição de fósforo (P) no sistema de plantio direto tem sido relativamente pequena. Isso, provavelmente, pode acontecer devido à ineficiência dos métodos de rotina em detectar a disponibilidade das formas lábeis de P no solo e à dificuldade de interpretação do nível de resposta a esse nutriente em uma rotação ou seqüência de culturas. O objetivo deste trabalho foi avaliar a disponibilidade de P com diferentes extratores em um Latossolo Vermelho-Amarelo distrófico com diferentes históricos de uso sob doses de P. Foram coletadas amostras (0-20 cm) sob condição de vegetação nativa do cerrado e condição de cultivo de um Latossolo Vermelho- Amarelo distrófico (LVAd) textura média. Utilizou-seo feijoeiro (Phaseolus vulgaris L. cv. Jalo Radiante) e, em seguida, braquiária (Brachiaria decumbens) como plantas teste, em vasos plásticos (4 dm-3). Os tratamentos foram dispostos em um delineamento inteiramente casualizado, em esquema fatorial 2 x 4, sendo duas condições de uso anterior do solo e quatro doses de P (0, 120, 240 e 480 mg dm-3) (superfosfato triplo). Após o cultivo do feijoeiro e da braquiária e antes da aplicação dos tratamentos, determinou-se os teores de P pelos extratores resina trocadora de iôns, Mehlich-1, Mehlich-3 e Bray-1. Os extratores de fósforo foram sensíveis em mostrar o efeito da adubação fosfatada e a disponibilidade de fósforo nos solos. Os extratores de P são promissores em avaliar a disponibilidade de P, principalmente na condição de solo anteriormente não cultivado

    Rates of depressive and anxiety symptoms in the perinatal period during the COVID-19 pandemic: Comparisons between countries and with pre-pandemic data

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    Background: The COVID-19 pandemic was a significant threat to perinatal mental health. This study examined differences in clinically significant depression, anxiety, and co-morbid symptoms among pregnant and postpartum women across several countries and compared prevalence of perinatal depression and anxiety before and during the pandemic in each participating country. Methods: Participants were 3326 pregnant and 3939 postpartum women (up to six months postpartum) living in Brazil, Chile, Cyprus, Greece, Israel, Portugal, Spain, Turkey, and the United Kingdom. An online survey was completed between June 7th and October 31st 2020, and included the Edinburgh Postnatal Depression Scale (EPDS) and the Generalized Anxiety Disorder Screener (GAD-7). The pre-pandemic studies were identified through literature review. Results: Prevalence of clinically significant depression (EPDS≥13), anxiety (GAD-7 ≥ 10), and co-morbid (EPDS≥13 and GAD-7 ≥ 10) symptoms was 26.7 %, 20 % and 15.2 %, in pregnant women, and 32.7 %, 26.6 % and 20.3 %, in postpartum women, respectively. Significant between-country differences were found in all mental health indicators in both perinatal periods. Higher levels of symptoms were observed during (versus before) the pandemic, especially among postpartum women. Limitations: Participants were mostly highly educated and cohabiting with a partner. The online nature of the survey may have limited the participation of women from vulnerable socio-economically backgrounds. Conclusions: Our findings expand previous literature on the negative impact of the COVID-19 pandemic on perinatal mental health, by highlighting that this may be influenced by country of residence. Mental health care policies and interventions should consider the unique needs of perinatal women in different parts of the world. © 2022Funding text 1: Sara Cruz acknowledges the Centro de Investigação em Psicologia para o Desenvolvimento (CIPD) [The Psychology for Positive Development Research Center] ( UID/PSI/04375 ), Lusíada University North, Porto, supported by national funds through the Portuguese Foundation for Science and Technology , I.P., and the Portuguese Ministry of Science, Technology and Higher Education ( UID/PSI/04375/2019 ).; Funding text 2: This paper is part of the COST Action Riseup-PPD CA18138 and was supported by COST under COST Action Riseup-PPD CA18138 . ; Funding text 3: Vera Mateus received financial support from CAPES /PrInt grant no. 88887.583508/2020-00 . ; Funding text 4: Raquel Costa was supported by the FSE and FCT under the Post-Doctoral Grant SFRH/BPD/117597/2016 [RC]. EPIUnit, ITR, and HEI-lab are supported by national funds through the Portuguese Foundation for Science and Technology , I.P., under the projects UIDB/04750/2020 , LA/P/0064/2020 , and UIDB/05380/2020 , respectively. ; Funding text 5: This publication is based upon work from COST Action 18138 - Research Innovation and Sustainable Pan-European Network in Peripartum Depression Disorder (Riseup-PPD), supported by COST (European Cooperation in Science and Technology). www.cost.eu . ; Funding text 6: Ana Osório received financial support from CAPES PROEX grant no. 0426/2021 , process no. 23038.006837/2021-73, CAPES /PrInt grant no. 88887.310343/2018-00 and MackPesquisa Fund . ; Funding text 7: Rena Bina received financial support from the Bar-Ilan Dangoor Centre for Personalized Medicine , grant no. REFU/DANGO/100. ; Funding text 8: This publication is based upon work from COST Action 18138 - Research Innovation and Sustainable Pan-European Network in Peripartum Depression Disorder (Riseup-PPD), supported by COST (European Cooperation in Science and Technology). www.cost.eu.Vera Mateus received financial support from CAPES/PrInt grant no. 88887.583508/2020-00.Ana Osório received financial support from CAPES PROEX grant no. 0426/2021, process no. 23038.006837/2021-73, CAPES/PrInt grant no. 88887.310343/2018-00 and MackPesquisa Fund.Rena Bina received financial support from the Bar-Ilan Dangoor Centre for Personalized Medicine, grant no. REFU/DANGO/100.Raquel Costa was supported by the FSE and FCT under the Post-Doctoral Grant SFRH/BPD/117597/2016 [RC]. EPIUnit, ITR, and HEI-lab are supported by national funds through the Portuguese Foundation for Science and Technology, I.P., under the projects UIDB/04750/2020, LA/P/0064/2020, and UIDB/05380/2020, respectively.This paper is part of the COST Action Riseup-PPD CA18138 and was supported by COST under COST Action Riseup-PPD CA18138. The authors would like to thank all women who participated in the survey. Sara Cruz acknowledges the Centro de Investigação em Psicologia para o Desenvolvimento (CIPD) [The Psychology for Positive Development Research Center] (UID/PSI/04375), Lusíada University North, Porto, supported by national funds through the Portuguese Foundation for Science and Technology, I.P. and the Portuguese Ministry of Science, Technology and Higher Education (UID/PSI/04375/2019)

    Fósforo "extraível" em função de históricos de uso e doses de fósforo em um latossolo cultivado com feijoeiro e braquiaria.

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    Em áreas que já foram adubadas anteriormente, os efeitos do fornecimento de fósforo podem não seguir os padrões típicos das respostas normalmente verificadas nos estudos de adubação fosfatada conduzidos em solos virgens. Este trabalho tem como objetivo avaliar a viabilidade de extratores em prever as respostas do feijoeiro e da braquiaria, cultivados em Latossolo com diferentes históricos de uso e doses de fósforo. Foram coletadas amostras (0-20 cm) sob condição de vegetação nativa do cerrado e condição de cultivo de um Latossolo Vermelho distrófico (LVd) textura argilosa. Utilizou-se o feijoeiro (Phaseolus vulgaris L. cv. Jalo Radiante) e, em seguida, braquiária (Brachiaria decumbens) como plantas teste, em vasos plásticos (4 dm-3). Os tratamentos foram dispostos em um delineamento inteiramente casualizado, em esquema fatorial 2 x 4, sendo duas condições de uso anterior do solo e quatro doses de P (0, 120, 240 e 480 mg dm-3) (superfosfato triplo). Após o cultivo do feijoeiro e da braquiária e antes da aplicação dos tratamentos, determinou-se os teores de P pelos extratores resina trocadora de iôns, Mehlich-1, Mehlich-3 e Bray-1. Os teores de P extraídos pelos extratores aumentaram em função da adubação fosfatada. A condição de solo já cultivado, proporcionou maior disponibilidade de P. Os extratores de fósforo mostraram influência da adubação fosfatada e do histórico de uso na disponibilidade de fósforo. Todos os extratores de P mostraram-se promissores em quantificar a fração lábil de P nos solos
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