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Solid phase microextraction chemical biopsy tool for monitoring of doxorubicin residue during in vivo lung chemo-perfusion

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Journal of Pharmaceutical Analysis 2021年第1期11卷 37-47页

作者： Barbara Bojko Nikita Looby Mariola Olkowicz Anna Roszkowska Bogumiła Kupcewicz pedro Reck dos santos Khaled Ramadan Shaf Keshavjee Thomas K.Waddell German Goomez-Rios Marcos Tascon Krzysztof Gorynski Marcelo Cypel Janusz Pawliszyn Department of Chemistry University of WaterlooWaterlooON M1B 6G3Canada Department of Pharmacodynamics and Molecular Pharmacology Faculty of PharmacyCollegium Medicum in BydgoszczNicolaus Copernicus University in Torun85-089BydgoszczPoland Jagiellonian Centre for Experimental Therapeutics(JCET) Jagiellonian University30-348 KrakowPoland Department of Pharmaceutical Chemistry Medical University of Gdansk80-416GdanskPoland Department of Inorganic and Analytical Chemistry Faculty of PharmacyCollegium Medicum in BydgoszczNicolaus Copernicus University in Torun85-089BydgoszczPoland University Health Network-TGH TorontoON M5G 2C4Canada

Development of a novel in vivo lung perfusion(IVLP)procedure allows localized delivery of high-dose doxorubicin(DOX)for targeting residual micrometastatic disease in the ***,DOX delivery via IVLP requires careful monitoring of drug level to ensure tissue concentrations of this agent remain in the therapeutic window.A small dimension nitinol wire coated with a sorbent of biocompatible morphology(Bio-SPME)has been clinically evaluated for in vivo lung tissue extraction and determination of DOX and its key *** in vivo Bio-SPME-IVLP experiments were performed on pig model over various(150 and 225 mg/m^(2))drug doses,and during human clinical *** patients with metastatic osteosarcoma were treated with a single 5 and 7 μg/mL(respectively)dose of DOX during a 3-h *** both pig and human cases,DOX tissue levels presented similar trends during *** lung tissue concentrations of drug ranged between 15 and 293 μg/g over the course of the IVLP *** addition to DOX levels,Bio-SPME followed by liquid chromatography-mass spectrometry analysis generated 64 metabolic features during endogenous metabolite screening,providing information about lung status during drug ***-time monitoring of DOX levels in the lungs can be performed effectively throughout the IVLP procedure by in vivo Bio-SPME chemical biopsy ***-SPME also extracted various endogenous molecules,thus providing a real-time snapshot of the physiology of the cells,which might assist in the tailoring of personalized treatment strategy.

关键词： In vivo solid phase microextraction Metabolite profiling Spatial resolution Therapeutic drug monitoring Tissue analysis

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Areas with evidence of equity and their progress on mortality from tuberculosis in an endemic municipality of southeast Brazil

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Infectious Diseases of Poverty 2017年第1期6卷 1185-1195页

作者： Mellina YAMAMURA Marcelino santos NETO Francisco CHIARAVALLOTI NETO Luiz Henrique ARROYO Antonio Carlos Vieira RAMOS Ana Angelica Rego de QUEIROZ Aylana de Souza BELCHIOR Danielle Talita dos santos Juliane de Almeida CRISPIM Ione Carvalho pinto Severina Alice da Costa UCHOA Regina Celia FIORATI Ricardo Alexandre ARCENCIO School of Nursing of the University of Sao Paulo Ribeirao Preto Campus(EERP/USP)Ribeirao retoSPBrazil Federal University of Maranhao(UFMA) Sao LuísMABrazil School of Public Health of the University of Sao Paulo(FSP/USP) Sao PauloSPBrazil Federal University of Rio Grande do Norte(UFRN) NatalRNBrazil School of Medicine of the University of Sao Paulo Ribeirao Preto Campus(FMRP/USP)Ribeirao PretoSPBrazil

Background:In Brazil,people still fall ill and die from tuberculosis(TB),and this can be explained by the significant impasse in the equity of distribution of therapeutic resources to the population as a *** aim was to identify geographical areas which have shown progress in terms of equity(of income,schooling and urban occupancy)and test its effect on mortality from TB in a municipality of southeast ***:It is an ecological study considering TB as the basic cause for deaths registered between 2006 and 2013 on the Mortality Information System and other variables obtained through the Demographic Census of the Brazilian Institute of Geography and Statistics(2010).The geographical area for analysis comprised the areas of coverage of the health *** indicators have been constructed through the Principal Component Analysis(PCA).The cases were geocoded and the annual mortality rate from TB was calculated with smoothing using the local empirical Bayesian *** linear regression was then *** was confirmation of the existence of spatial dependence of residue through the application of the Global Moran I test,and application of the Models with Global Spatial Effects,to identify the best standard of spatial ***:The mortality rates ranged from 0.00 to 2.8 deaths per 100,000 people,per *** the PCA,three indicators were constructed,and designated as indicators of income,social inequality,and social *** multiple linear regression,the indicator of social equity was statistically significant(P<0.0001)but had a negative association,an adjusted R^(2)of 28.36%and with spatial dependence(Moran I=0.21,P=0.003455).The best model to deal with existing spatial dependence was the Spatial Lag ***:The better social conditions have shown progress in reducing mortality from TB,thereby reinforcing the achievement of Sustainable Development *** addition,cartography was also applied,which can be replicated

关键词： Tuberculosis Spatial analysis Mortality Cause of death

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Exosomal glypican-1 is elevated in pancreatic cancer precursors and can signal genetic predisposition in the absence of endoscopic ultrasound abnormalities

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World Journal of Gastroenterology 2022年第31期28卷 4310-4327页

作者： pedro Moutinho-Ribeiro Ines A Batista Sofia T Quintas Bárbara Adem Marco Silva Rui Morais Armando Peixoto Rosa Coelho pedro Costa-Moreira Renato Medas Susana Lopes Filipe Vilas-Boas Manuela Baptista Diogo Dias-Silva Ana L Esteves Filipa Martins Joanne Lopes Helena Barroca Fátima Carneiro Guilherme Macedo Sonia A Melo Serviço de Gastrenterologia Centro Hospitalar Universitário de Sao JoaoPorto 4200Portugal Faculty of Medicine University of PortoPorto 4200Portugal Instituto de Investigacao e Inovacao em Saúde(i3S) Universidade do PortoPorto 4200Portugal IPATIMUP-Institute of Molecular Pathology and Immunology University of PortoPorto 4200Portugal Instituto de Ciencias Biomédicas Abel Salazar(ICBAS) University of PortoPorto 4050Portugal Servico de Cirurgia Geral Centro Hospitalar Universitário de Sao JoaoPorto 4200Portugal Unidade de Saúde Familiar Serpa pinto ACeS Porto OcidentalPorto 4250Portugal Serviço de Anatomia Patológica Centro Hospitalar Universitário de Sao JoaoPorto 4200Portugal

BACKGROUND Individuals within specific risk groups for pancreatic ductal adenocarcinoma(PDAC)[mucinous cystic lesions(MCLs),hereditary risk(HR),and new-late onset diabetes mellitus(NLOD)]represent an opportunity for early cancer *** ultrasound(EUS)is a premium image modality for PDAC screening and precursor lesion *** no specific biomarker is currently clinically available for this purpose,glypican-1(GPC1)is overexpressed in the circulating exosomes(crExos)of patients with PDAC compared with healthy subjects or those harboring benign pancreatic *** To evaluate the capacity of GPC1+crExos to identify individuals at higher risk within these specific groups,all characterized by *** This cross-sectional study with a prospective unicentric cohort included 88 subjects:40 patients with MCL,20 individuals with HR,and 20 patients with NLOD.A control group(CG)was submitted to EUS for other reasons than pancreatic pathology,with normal pancreas and absence of hereditary risk factors(n=8).The inclusion period was between October 2016 and January 2019,and the study was approved by the Ethics Committee of Centro Hospitalar Universitário de São João,Porto,*** patients provided written informed *** and blood tests for quantification of GPC1+crExos by flow cytometry and carbohydrate antigen 19-9(CA 19-9)levels by ELISA were performed in all ***-guided tissue acquisition was done whenever *** statistical analysis,SPSS®27.0(IBM Corp.,Armonk,NY,United States)version was *** graphs were created using GraphPad Prism 7.00(GraphPad Software,San Diego,CA,United States).RESULTS Half of MCLs harbored worrisome features(WF)or high-risk stigmata(HRS).Pancreatic abnormalities were detected by EUS in 10.0%and 35.0%in HR and NLOD individuals,respectively,all considered non-malignant and“harmless.”Median levels of GPC1+crExos were statistically different:MCL[99.4%,interquartile range(IQR):94.9%-99.8%],HR(8

关键词： Glypican-1 Circulating exosomes Endoscopic ultrasound Pancreatic cancer risk groups Pancreatic cancer precursor lesions Genetic predisposition

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Application of Extended Multiplicative Signal Correction to Short-Wavelength near Infrared Spectra of Moisture in Marzipan

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Journal of Data Analysis and Information Processing 2013年第3期1卷 30-34页

作者： pedro dos santos Panero Francisco dos santos Panero Joao dos santos Panero Henrique Eduardo Bezerra da Silva Campus Novo Paraiso Instituto Federal de EducacaoCiencia e Tecnologia de RoraimaBoa VistaBrazil Instituto Federal de Educacao Ciencia e Tecnologia de RoraimaBoa VistaBrazil Departamento de Engenharia Eletrica Universidade Federal de RoraimaBoa VistaBrazil Departamento de Quimica Universidade Federal de RoraimaBoa VistaBrazil

Short-wavelength near infrared spectroscopy (SW-NIR) is a very rapid, versatile and precise technique, which can be used in many different situations and for very types of products and chemical compounds. Extended multiplicative signal correction (EMSC) is a modification of the standard MSC pre-processing method that allows the separation of physical light scattering effects from chemical (vibrational) light absorbance effects in spectra. In this paper, the EMSC is applied and compared with first derivate, second derivate, MSC and SNV in combination of PLSR to obtain robust models in terms of accuracy and predict ability with a reduced calibration data set using SW-NIR spectra of moisture in marzipan. The Extended Multiplicative Signal Correction—EMSC and combination methods provide the best results in terms of prediction ability and calibration SW-NIR spectra of moisture in marzipan. The best classification results were obtained by Extended Multiplicative Signal Correction followed by second derivates.

关键词： EMSC PLSR SW-NIR Extended Multiplicative Signal Correction Chemometrics

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Association between physical activity and cardiovascular risk factors:Dose and sex matter

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Journal of Sport and Health Science 2021年第5期10卷 604-606页

作者： Alejandro santos-Lozano Alberto Torres Barran Pablo Fernandez-Navarro pedro L.Valenzuela Adrian Castillo-Garcia Luis MRuilope David Rios Insua Jose M.Ordovas Victoria Ley Alejandro Lucia i+HeALTH Department of Health SciencesEuropean University Miguel de CervantesValladolid 47012Spain Research Institute of the Hospital 12 de Octubre(imas12 PaHerg group)and(CIBER en Fragilidad y Envejecimiento Saludable-CIBEFES)Madrid 28041Spain Institute of Mathematical Sciences(ICMAT-CSIC) Madrid 28049Spain d Cancer and Environmental Epidemiology Unit National Center for EpidemiologyCarlos III Institute of HealthMadrid 28029Spain Consortium for Biomedical Research in Epidemiology&Public Health(CIBER en Epidemiologia y Salud Publica-CIBERESP) Madrid 28029Spain Department of Systems Biology University of AlcalaMadrid 28801Spain Fissac-Physiology Health and Physical ActivityMadrid 28801Spain Hypertension Unit and Cardiorenal Translational Laboratory Research Institute of the Hospital 12 de Octubre(imas12)Madrid 28041Spain Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University BostonMA 02111USA Spanish State Research Agency Ministry of ScienceInnovation and UniversitiesMadrid 28046Spain Faculty of Sport Sciences Universidad Europea de MadridMadrid 28670Spain

Dear Editor,ETadegn TagedPFailure to meet World Health Organization(WHO)-determined minimum physical activity(PA)levels is an established risk factor for cardiovascular disease(CVD),^(1)but evidence is still scarce on its effects on other CVD risk ***,whether or not there are sex-specific effects on the association between PA and CVD risk is a matter of controversy,with some authors observing a protective effect of PA in men but not in women,^(2)and others finding the opposite trend.^(3)

关键词： cardiovascular protective finding

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Arabidopsis SWC4 Binds DNA and Recruits the SWR1 Complex to Modulate Histone H2A.Z Deposition at Key Regulatory Genes

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Molecular Plant 2018年第6期11卷 815-832页

作者： Angeles Gomez-Zambrano pedro Crevillen Jose M. Franco-Zorrilla Juan A. Lopez Jordi Moreno-Romero Pawel Roszak Juan santos-Gonzalez Silvia Jurado Jesus Vazquez Claudia Kohler Roberto Solano Manuel Pineiro Jose A. Jarillo Centro de Biotecnologia y Genomica de Plantas Universidad Politecnica de Madrid (UPM) - Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria (INIA) Campus Montegancedo UPM Pozuelo de Alarcon 28223 Madrid Spain Plant Molecular Genetics Department and Genomics Unit Centro Nacional de Biotecnologia Consejo Superior de Investigaciones Cientfficas 28049 Madrid Spain Proteomics Unit Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC) 28029 Madrid Spain Department of Plant Biology Uppsala BioCenter Swedish University of Agricultural Sciences and Linnean Center for Plant Biology Uppsala 75652 Sweden Laboratory of Cardiovascular Proteomics Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC) 28029 Madrid Spain Instituto de Bioquimica Vegetal y Fotosintesis Consejo Superior de Investigaciones Cientfficas and Universidad de Sevilla 41092 Sevilla Spain Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB Campus UAB Bellaterra Barcelona Spain The Sainsbury Laboratory Cambridge CB2 1LR UK

Deposition of the H2A.Z histone variant by the SWR1 complex （SWRI-C） in regulatory regions of specific loci modulates transcription. Characterization of mutations in Arabidopsis thaliana homologs of yeast SWRI-C has revealed a role for H2A.Z exchange in a variety of developmental processes. Nevertheless, the exact composition of plant SWRI-C and how it is recruited to target genes remains to be established. Here we show that SWC4, the Arabidopsis homolog of yeast SANT domain protein Swc4/Eaf2, is a DNA-binding protein that interacts with SWR1-C subunits. We demonstrate that the swc4-1 knockout mutant is embryo- lethal, while SWC4 RNAi knockdown lines display pleiotropic phenotypic alterations in vegetative and repro- ductive traits, including acceleration of flowering time, indicating that SWC4 controls post-embryonic processes. Transcriptomic analyses and genome-wide profiling of H2A.Z indicate that SWC4 represses tran- scription of a number of genes, including the floral integrator FT and key transcription factors, mainly by modulating H2A.Z deposition. Interestingly, SWC4 silencing does not affect H2A.Z deposition at the FLC locus nor expression of this gene, a master regulator of flowering previously shown to be controlled by SWR1-C. Importantly, we find that SWC4 recognizes specific AT-rich DNA elements in the chromatin regions of target genes and that SWC4 silencing impairs SWRI-C binding at FT. Collectively, our data suggest that SWC4 regulates plant growth and development by aiding SWR1-C recruitment and modulating H2A.Z deposition.

关键词： Arabidopsis SWC4 chromatin SWR1 complex H2A.Z deposition flowering time

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Co-nanoencapsulated meloxicam and curcumin improves cognitive impairment induced by amyloid-beta through modulation of cyclooxygenase-2 in mice

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Neural Regeneration Research 2021年第4期16卷 780-786页

作者： Maria Eduarda Ziani Gutierrez Anne Suély pinto Savall Edina da Luz Abreu Kelly Ayumi Nakama Renata Bem Dos santos Marina Costa Monteiro Guedes Daiana SilvaÁvila Cristiane Luchese Sandra Elisa Haas Caroline Brandão Quines Simone pinton Postgraduation Program in Biochemistry Federal University of Pampa(UNIPAMPA)UruguaianaRSBrazil Postgraduation Program in Pharmaceutical Science Federal University of Pampa(UNIPAMPA)UruguaianaRSBrazil Postgraduation Program in Biochemistry and Bioprospecting Federal University of Pelotas(UFPEL)Capão do LeãoRSBrazil

Alzheimer’s disease is a progressive brain disorder and complex mechanisms are involved in the physiopathology of Alzheimer’s ***,there is data suggesting that inflammation plays a role in its development and ***,some non-steroidal antiinflammatory drugs,such as meloxicam,which act by inhibiting cyclooxygenase-2 have been used as neuroprotective agents in different neurodegenerative disease *** purpose of this study was to investigate the effects of co-nanoencapsulated curcumin and meloxicam in lipid core nanocapsules(LCN)on cognitive impairment induced by amyloid-beta peptide injection in *** were prepared by the nanoprecipitation *** Swiss mice received a single intracerebroventricular injection of amyloid-beta peptide aggregates(fragment 25–35,3 nmol/3μL)or vehicle and were subsequently treated with curcumin-loaded LCN(10 mg/kg)or meloxicam-loaded LCN(5 mg/kg)or meloxicam+curcumin-co-loaded LCN(5 and 10 mg/kg,respectively).Treatments were given on alternate days for 12 days(i.e.,six doses,once every 48 hours,by intragastric gavage).Our data showed that amyloid-beta peptide infusion caused long-term memory deficits in the inhibitory avoidance and object recognition tests in *** the inhibitory avoidance test,both meloxicam and curcumin formulations(oil or co-loaded LCN)improved amyloid-beta-induced memory impairment in ***,only meloxicam and curcumin-co-loaded LCN attenuated non-aversive memory impairment in the object recognition ***,the beneficial effects of meloxicam and curcuminco-loaded LCN could be explained by the anti-inflammatory properties of these drugs through cortical cyclooxygenase-2 *** study suggests that the neuroprotective potential of meloxicam and curcumin co-nanoencapsulation is associated with cortical cyclooxygenase-2 *** study was approved by the Committee on Care and Use of Experimental Animal Resources,the Federal University of Pampa,Brazil(app

关键词： Alzheimer’s disease curcumin cyclooxygenase-2 lipid core nanocapsules meloxicam memory rats inflammation

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No independent associations between physical activity and clinical outcomes among hospitalized patients with moderate to severe COVID-19

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Journal of Sport and Health Science 2021年第6期10卷 690-696页

作者： Ana J.pinto Karla F.Goessler Alan L.Fernandes Igor H.Murai Lucas P.Sales Bruna Z.Reis Mayara Diniz santos Hamilton Roschel Rosa M.R.Pereira Bruno Gualano Applied Physiology and Nutrition Research Group School of Physical Education and SportClinical Hospital HCFMUSPSchool of Medicine FMUSPUniversity of Sao PauloSao PauloSP 01246903Brazil Rheumatology Division Clinical Hospital HCFMUSPSchool of Medicine FMUSPUniversity of Sao PauloSao PauloSP 01246903Brazil Food Research Center University of Sao PauloSao PauloSP 05508080Brazil

Background:Regular physical activity(PA)has been postulated to improve,or at least maintain,immunity across the life ***,the link between physical(in)activity and coronavirus disease 2019(COVID-19)remains to be *** small-scale prospective cohort study is nested within a randomized controlled trial aimed to investigate the possible associations between PA levels and clinical outcomes among hospitalized patients with moderate to severe ***:Hospitalized patients with COVID-19(mean age:54.9 years)were recruited from the Clinical Hospital of the School of Medicine of the University of Sao Paulo(a quaternary referral teaching hospital)and from Ibirapuera Field Hospital,both located in Sao Paulo,*** level was assessed using the Baecke Questionnaire of Habitual Physical *** primary outcome was hospital length of *** secondary outcomes were mortality,admission to the intensive care unit(ICU),and mechanical ventilation ***:The median hospital length of stay was 7.0§4.0 days,median§IQR;3.3%of patients died,13.8%were admitted to the ICU,and 8.6%required mechanical *** linear regression models showed that PA indices were not associated with hospital length of stay(work index:b=-0.57(95%confidence interval(95%CI):-1.80 to 0.65),p=0.355;sport index:b=0.43(95%CI:-0.94 to 1.80),p=0.536;leisure-time index:b=1.18(95%CI:-0.22 to 2.59),p=0.099;and total activity index:b=0.20(95%CI:-0.48 to 0.87),p=0.563).None of the PA indices were associated with mortality,admission to the ICU,or mechanical ventilation requirement(all p>0.050).Conclusion:Among hospitalized patients with COVID-19,PA did not independently associate with hospital length of stay or any other clinically relevant *** findings should be interpreted as meaning that,among already hospitalized patients with more severe forms of COVID-19,being active is a potential protective factor likely outweighed by a cluster of comorbidities(e.

关键词： Hospital length of stay Lifestyle Physical inactivity Prognosis SARS-CoV-2

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Historical relationships of areas of endemism of the Brazilian Atlantic rain forest： a cladistic biogeographic analysis of harvestman taxa （Arachnida： Opiliones）

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Current Zoology 2017年第5期63卷 525-535页

作者： Marcio B. DASILVA Ricardo pinto-DA-ROCHA Juan J. MORRONE Departamento de Sistematica e Ecologia CCEN Universidade Federal da Paraiba Cidade Universitaria Joao Pessoa PB Brazil Departamento de Zoologia Instituto de Biociencias Universidade de Sao Paulo Sao Paulo SP Brazil Museo de Zoologia "Alfonso L. Herrera" Departamento de Biologia Evolutiva Facultad de Ciencias Universidad Nacional Autdnoma de Mexice (UNAM) 04510 Mexico City Mexico

Based on a cladistic biogeographic analysis of 6 species-level phylogenies of harvestman taxa, wesearched for congruence in the historical relationships of 12 areas of endemism of the BrazilianAtlantic Rain Forest. We constructed general area cladograms using Primary Brooks ParsimonyAnaJysis （BPA）, BPA of nodes, and paralogy-free subtree analysis. These analyses resulted in 6general area cladograms, that allow to infer a general pattern of the relationships among areas ofendemism from the Brazilian Atlantic Rain Forest. Northern areas resulted related basally showingmain disjunctions at the Doce River Valley and Todos os santos Bay/S^o Francisco River *** remaining areas of endemism were included in a southern and a southeastern block, sepa-rated by the Ribeira do Iguape Valley. Incongruence Length Differences tests showed no significantincongruence among the resulting cladograms and other matrix partitions. We concluded that tec-tonism and ancient marine transgressions were the probable processes responsible for the maindisjunctions, whereas Neogene refugia seem to have caused the more recent disjunctions. Thegeneral pattern and redundancy in area relationships suggest a model of main reiterative barriersin diversification at multiple times for the evolution of the Atlantic Rain Forest. The renewal of cla-distic biogeography and the search for common biogeographic patterns are discussed.

关键词： dispersal, historical biogeography, Mata Atlantica, speciation, vicariance.

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Randomized controlled trial comparing open anterograde anatomic radical retropubic prostatectomy with retrograde technique

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Asian Journal of Urology 2023年第2期10卷 151-157页

作者： Fabricio B.Carrerette Daniela B.Rodeiro Rui T.F.Filho Paulo A.santos Celso C.Lara Ronaldo Damiao Department of Surgery(Urology) Pedro Ernesto University Hospital of State University of Rio de JaneiroRio de JaneiroBrazil

Objective:Radical prostatectomy is the recommended treatment for localized prostate cancer;however,it is an invasive procedure that can leave serious ***-assisted radical prostatectomy was introduced with the aim of reducing postoperative morbidity and facilitating rapid recovery compared to the traditional Walsh’s open radical retropubic ***,a protocol was developed to perform an open prostatectomy comparable to that performed by robotics,but without involving novel ***:A total of 220 patients diagnosed with localized prostate cancer underwent radical *** were divided into two groups:anterograde technique(115 patients)and the retrograde method(105 patients).The study outcomes were observed 3 months after ***:No differences were found in terms of surgical time,hospital stay,and suction ***,reduced bleeding was observed in the anterograde technique(p=0.0003),with rapid anastomosis duration(p=0.005).Among the patients,60.9% undergoing the anterograde technique were continent 3 months after surgery compared to 42.9%treated by the retrograde method(p=0.007).Additionally,fewer complications in terms of the number(p=0.007)and severity(p=0.0006)were observed in the anterograde ***:The anterograde method displayed increased efficiency in reducing complications,compared to the retrograde technique.

关键词： Prostatectomy Localized prostate cancer Vesicourethral anastomosis Continence

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