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Radical Prostatectomy by Laparotomy: Retrospective Study Comparing Separate and Continuous Stitches in the Performance of Vesicourethral Anastomosis at a Single Center in the Public Health Network

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Open Journal of Urology 2024年第6期14卷 368-379页

作者： guilherme canabrava rodrigues silva Tarcizo Afonso Nunes Rafael Calvão Barbuto Thiffany Quartarollo Lopes Beatriz Melo De Almeida Departamento de Cirurgia da FMUFMG e da PUC-MG Belo Horizonte Brazil Departamento de Cirurgia da FMUFMG Belo Horizonte Brazil Acadmica de Medicina da Universidade Federal de Minas Gerais (UFMG) Belo Horizonte Brasil Acadmica de Medicina da Pontifcia Universidade Catlica de Minas Gerais (PUC-MG) Betim Brasil

Background: Prostate cancer ranks as the second most prevalent malignancy in men, with treatment strategies ranging from observation to various interventions. Radical prostatectomy is a common approach, aiming for a cure, and the technique for vesico-urethral anastomosis varies, employing separate or continuous stitches. However, a consensus on the optimal technique is lacking. This study aims to compare vesico-urethral anastomosis techniques (separate vs. continuous stitches) in laparotomy-based radical prostatectomies, evaluating peri and postoperative outcomes. Materials and Method: A retrospective analysis of 140 patients’ medical records yielded 86 eligible cases, divided into two groups based on anastomosis technique. Both groups underwent surgery at the same urology center between 2016 and 2019, with a follow-up period exceeding 12 months. Pre-operative characteristics were statistically similar between groups. Results: Perioperative complication rates did not significantly differ between the two techniques (p > 0.99). However, the continuous stitch group experienced a 20-minute longer procedure time (p 0.05), patients with continuous stitches had 2.5 times higher diaper usage at twelve months (p Conclusion: This research suggests that vesico-urethral anastomosis with separate stitches yields superior results in laparotomy-based radical prostatectomies compared to continuous stitches, demonstrating benefits in surgical time, hospital stay, sentinel drain duration, stenosis rates, and long-term urinary incontinence outcomes.

关键词： Prostate Cancer Urinary Incontinence Urethrovesical Anastomosis

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Radical Prostatectomy by Laparotomy: Retrospective Study Comparing Separate and Continuous Stitches in the Performance of Vesicourethral Anastomosis at a Single Center \in the Public Health Network

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Open Journal of Urology（泌尿学期刊） 2024年第6期 368页

作者： guilherme canabrava rodrigues silva Tarcizo Afonso Nunes Rafael Calvão Barbuto Thiffany Quartarollo Lopes Beatriz Melo De Almeida

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Adsorption of yttrium(Y^(3+)) and concentration of rare earth elements from phosphogypsum using chitin and chitin aerogel

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Journal of Rare Earths 2024年第4期42卷 775-782页

作者： Glaydson S.dos Reis Diana Pinto Sabrina F.Lütke Eder C.Lima Luis F.O.silva Irineu A.S.De Brum guilherme L.Dotto Department of Forest Biomaterials and Technology Biomass Technology Centre Swedish University of Agricultural SciencesUmeaE13Swedn Universidad De La Costa Calle 58#55-66080002BarranquillaAtlanticoColombia Research Group on Adsorptive and Catalytic Process Engineering(ENGEPAC) Federal University of Santa MariaAv.Roraima100079705900Santa MariaRSBrazil Institute of Chemistry Federal University of Rio Grande do Sul90040060Porto AlegreBrazil

Chitin powder and chitin-aerogel were prepared from shrimp wastes and used to uptake Y^(3+)from aqueous solutions and concentrate this rare earth element from phosphogypsum(PG).Chitin aerogel displays a specific surface area of 945 m^(2)/g,while chitin powder is 3.6 m^(2)/g,which largely influences its adsorption *** the adsorption in synthetic solutions,the effect of pH on Y^(3+)removal is strong for chitin powder *** contrast,no big pH influence was detected for chitin *** interactions and chelation can highlight the proposed mechanism of Y^(3+)on chitin adsorbents for the powder and ***,in addition to these interactions,pore filling/pore diffusion is the main mechanism of Y^(3+)removal in the chitin *** aerogel is efficient in concentrating 8 times the Y^(3+)from PG,a very complex *** complex chitin aerogel-Y^(3+)can be a secondary source of rare earth elements for other applications.

关键词： Rare earths Sustainable material Chitin powder Chitin porous aerogel Yttrium adsorption and recovery

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New avenues for the treatment of immunotherapy-resistant pancreatic cancer

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World Journal of Gastrointestinal Oncology 2024年第4期16卷 1134-1153页

作者： Luis guilherme de Oliveira silva Fabian Fellipe Bueno Lemos Marcel silva Luz Samuel Luca Rocha Pinheiro Mariana dos Santos Calmon Gabriel Lima Correa Santos Gabriel Reis Rocha Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil

Pancreatic cancer(PC)is characterized by its extremely aggressive nature and ranks 14th in the number of new cancer cases ***,due to its complexity,it ranks 7th in the list of the most lethal cancers *** pathogenesis of PC involves several complex processes,including familial genetic factors associated with risk factors such as obesity,diabetes mellitus,chronic pancreatitis,and *** in genes such as KRAS,TP53,and SMAD4 are linked to the appearance of malignant cells that generate pancreatic lesions and,consequently,*** this context,some therapies are used for PC,one of which is immunotherapy,which is extremely promising in various other types of cancer but has shown little response in the treatment of PC due to various resistance mechanisms that contribute to a drop in immunotherapy *** is therefore clear that the tumor microenvironment(TME)has a huge impact on the resistance process,since cellular and non-cellular elements create an immunosuppressive environment,characterized by a dense desmoplastic stroma with cancerassociated fibroblasts,pancreatic stellate cells,extracellular matrix,and immunosuppressive *** to this are genetic mutations in TP53 and immunosuppressive factors that act on T cells,resulting in a shortage of CD8+T cells and limited expression of activation markers such as *** this way,finding new strategies that make it possible to manipulate resistance mechanisms is ***,techniques such as the use of TME modulators that block receptors and stromal molecules that generate resistance,the use of genetic manipulation in specific regions,such as microRNAs,the modulation of extrinsic and intrinsic factors associated with T cells,and,above all,therapeutic models that combine these modulation techniques constitute the promising future of PC ***,this study aims to elucidate the main mechanisms of resistance to immunotherapy in PC and new ways of manipulating thi

关键词： Pancreatic cancer Immunotherapy Resistance Tumor microenvironment manipulation Combined immunotherapy

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Vine pruning waste-based activated carbon for cerium and lanthanum adsorption from water and real leachate

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Journal of Rare Earths 2024年第10期42卷 1960-1968页

作者： Raphael Forgearini Pinheiro Alejandro Grimm Kátia da Boit Martinello Mohammad Rizwan Khan Naushad Ahmad Luis Felipe Oliveira silva Irineu Antônio Schadach De Brum guilherme Luiz Dotto Glaydson Simões dos Reis Research Group on Adsorptive and Catalytic Process Engineering(ENGEPAC) Federal University of Santa MariaAv.Roraima1000-797105900Santa MariaRSBrazi Department of Forest Biomaterials and Technology Biomass Technology CentreSwedish University of Agricultural SciencesUmed SE-90183Sweden Universidad De La Costa Calle 58#55-66080002BarranquillaAtlanticoColombia Department of Chemistry College of ScienceKing Saud UniversityRiyadh11451Kingdom of Saudi Arabia Institute of Chemistry Federal University of Rio Grande do Sul90040-060Porto AlegreBrazil

In this study,vine pruning wastes(VPW)were used as raw material to develop an alternative activated carbon(VPW-AC)for adsorbing and concentrating rare earth elements cerium(Ce(Ⅲ))and lanthanum(La(Ⅲ))from synthetic and real leachate *** Ce and La adsorption studies evaluated the effects of VPW-AC dosage,pH,contact time,rare earth initial concentration,and *** VPW-AC adsorbent was subjected to many physicochemical characterization methods to correlate and understand its adsorptive *** characterization data indicate a carbonaceous adsorbent with a specific surface area of 467 m^(2)/*** potential indicates a material with a negatively charged surface at a pH higher than 3.1,which is extremely beneficial to cations *** both rare earths elements(REEs),the adsorption capacity increases with the increase of the pH,reaching its maximum at pH *** kinetic data are well fitted by Avrami-fractional o rder,while the Liu model agreeably fits equilibrium *** maximum adsorption capacities for Ce(Ⅲ)and La(Ⅲ)are 48.45 and 53.65 mg/g at 298 K,*** thermodynamic studies suggest that the adsorption process is favorable,spontaneous,and exothermic for both *** filling,surface complexation,and ion exchange are the dominant ***,the VPW-AC was subjected to the recovery of REEs from real phosphogypsum leachate,and it is proved that it can be successfully used to recover REEs in a real process.

关键词： Vine pruning wastes Sustainable carbon adsorbent Rare earth elements Phosphogypsum leachate Ion-exchange mechanism

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Influence of biological maturation on cardiac autonomic recovery in female volleyball players during&after repeated sprints training:An experimental trial

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Sports Medicine and Health Science 2024年第3期6卷 279-286页

作者： Paulo Francisco de Almeida-Neto Fernanda Cristina silva de Oliveira Jose Marcondes de Oliveira-Júnior Júlio Cesar Medeiros Alves Matheus de Lima Rocha Iago Medeiros da silva Roberto Felipe C^amara Rocha Paulo Moreira silva Dantas Breno guilherme de Araújo Tin^oco Cabral Health Sciences Center Federal University of Rio Grande do NorteCCS-UFRNNatal59012-570RNBrazil Department of Physical Education Federal University of Rio Grande do NorteDEF-UFRNNatal59078-970RNBrazil

Previously,it was suggested that biological maturation(BM)could be linked to cardiac autonomic recovery(CAR)in the pediatric ***,this influence hasn’t been confirmed *** aim was to investigate the impact of BM on CAR in female volleyball *** study with a sample of 38 volleyball players,comprising 20 girls(age:[11.62.1]years)and 18 women(age:[24.55.5]years),we analyzed BM,comparing maturing subjects(girls)with mature subjects(women).Additionally,we assessed peak height velocity(PHV)in *** conducted a training session involving repeated sprints(3 rounds of 6 sprints interspersed by 5 min[min]of passive rest).Using short-range radio telemetry,we analyzed CAR during(at the end of the 1st and 2nd rounds)and after(following the 3rd round)the training session of repeated sprints by applying the 60-s to 300-s heart rate recovery index(HRR-Index).Girls exhibited superior CAR compared to women(round 2:60-s,120-s,240-s,and 300-s,p0.4,p0.4,p<0.05).We have concluded that biological maturation has a significant impact on cardiac autonomic recovery.

关键词： Exercise Sport Volleyball Heart rate Pediatric

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Human leukocyte antigen compatibility and incidence of donorspecific antibodies in pediatric liver transplant recipients

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World Journal of Gastroenterology 2024年第33期30卷 3837-3845页

作者： Melina U Melere Flavia H Feier Jorge Neumann Antônio N Kalil Juliana de M Montagner Luiza S Nader Carolina S da silva Marco Aurélio F Junior Gabriela P Coral guilherme P Bobsin Cristina T Ferreira Department of Hepatology and Liver Transplantation Santa Casa de Porto AlegrePorto Alegre 90050170Rio Grande do SulBrazil Department of Hepato-biliary-pancreatic Surgery and Liver Transplantation Irmandade Santa Casa de Misericórdia de Porto AlegrePorto Alegre 90020-090Rio Grande do SulBrazil Postgraduation Program in Medicine:Hepatology Federal University of Health Sciences of Porto AlegrePorto Alegre 90050-170Rio Grande do SulBrazil Laboratory of Transplantation Immunology Irmandade Santa Casa de Misericórdia de Porto AlegrePorto Alegre 90020-090Rio Grande do SulBrazil

BACKGROUND Antibody-mediated rejection following liver transplantation(LT)has been increasingly recognized,particularly with respect to the emergence of de novo donor-specific antibodies(DSAs)and their impact on graft *** substantial evidence for adult populations exists,research focusing on pediatric LT outcomes remains *** To investigate the prevalence of human leukocyte antigen(HLA)mismatches and DSA and evaluate their association with rejection episodes after pediatric *** A cohort of pediatric LT recipients underwent HLA testing at Santa Casa de Porto Alegre,Brazil,between December 2013 and December *** patients who survived for>30 days after LT with at least one DSA analysis were *** classes I and II and cross-matches were *** presence of de novo DSA(dnDSA)was evaluated at least 3 months after LT using the Luminex®single antigen bead method,with a positive reaction threshold set at 1000 *** episodes were confirmed by liver *** Overall,67 transplanted children were analyzed;61 received grafts from living donors,85%of whom were related to ***-transplant DSA(class I or II)was detected in 28.3%of patients,and dnDSA was detected in 48.4%.The median time to DSA detection after LT was 19.7[interquartile range(IQR):4.3-35.6]*** rejection occurred in 13 patients at follow-up,with C4d positivity observed in 5/13 Liver *** median time to rejection was 7.8(IQR:5.7-12.8)*** presence of dnDSA was significantly associated with rejection(36%vs 3%,P<0.001).The rejection-free survival rates at 12 and 24 months were 76%vs 100%and 58%vs 95%for patients with dnDSA anti-DQ vs those without,*** Our findings highlight the importance of incorporating DSA assessment into pre-and post-transplantation protocols for pediatric LT *** implications may include immunosuppression minimization strategies based on this analysis in pediatric LT recip

关键词： Human leukocyte antigens Donor-specific antibodies Liver transplantation Pediatric Rejection

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Why Sustainable Porous Carbon Should be Further Explored as Radar-Absorbing Material? A Comparative Study with Different Nanostructured Carbons

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Journal of Renewable Materials 2024年第10期12卷 1639-1659页

作者： Alan F.N.Boss Manuella G.C.Munhoz Gisele Amaral-Labat Rodrigo G.A.Lima Leonardo I.Medeiros Nila C.F.L.Medeiros Beatriz C.S.Fonseca Flavia L.Braghiroli guilherme F.B.Lenz e silva Department of Metallurgical and Materials Engineering University of de São PauloAvenida Mello MoraesCidade UniversitáriaSão PauloSP 05508-030Brazil Coordination of Applied Research and Technological Development National Institute for Space ResearchAvenida dos AstronautasJardim da GranjaSão Josédos CamposSP 12227-010Brazil Department of Exact and Technological Sciences Santa Cruz State UniversityRodovia Jorge Amadokm16IlhéusBA 45662900Brazil Institut de recherche sur les forêts Universitédu Québec en Abitibi-TémiscamingueRouyn-Noranda445 Bd de l’UniversitéRouyn-NorandaQC J9X 5E4Canada

Radar Absorbing Materials(RAM)are a class of composites that can attenuate incident electromagnetic waves to avoid radar *** carbon allotropes that have the potential to be used as RAM are either carbon nano-tubes(CNTs),graphene,carbon black(CB)and ultimately,sustainable porous carbon(SPC).Here,black wattle bark waste(following tannin extraction)was used as a sustainable source to produce SPC made from biomass *** was characterized and used as aﬁller for a silicone rubber matrix to produce aﬂexible *** elec-tromagnetic performance of this composite was compared with composites made with commercial CB and CNT through reﬂection loss(RL),where-10 dB is equivalent to 90%of *** composites were evaluated in single-layer,double-layer,and as radar absorbing structures(RAS)with the aim of improving their effective absorption bandwidth(EAB)performances and a reduction in *** CNT composite presented a RL of-26.85 dB at 10.89 GHz and an EAB of 2.6 GHz with a 1.9 mm thickness,while the double-layer structures using CNT and SPC provided a RL of-19.74 dB at 10.75 GHz and an EAB of 2.51 ***,the double-layer structures are~42%cheaper than the composite using only CNT since less material is ***,the largest EAB was achieved with a RAS using SPC,reaching~2.8 GHz and a RL of-49.09 dB at 10.4 ***,SPC made of black wattle bark waste can be a competitive,alternative material for use as RAM and RAS since it is cheaper,sustainable,and suitable for daily life uses such as absorbers for anechoic chambers,sensors,and elec-tromagnetic interference shields for electronics,wallets,vehicles,and others.

关键词： Microwave absorption material tannin waste dielectric constant carbon composite reﬂectivity

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Immune pathway through endometriosis to ovarian cancer

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World Journal of Clinical Oncology 2024年第4期15卷 496-522页

作者： Mariana Santos Calmon Fabian Fellipe Bueno Lemos Marcel silva Luz Samuel Luca Rocha Pinheiro Luis guilherme de Oliveira silva Gabriel Lima Correa Santos Gabriel Reis Rocha Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil

Endometriosis is an estrogen-dependent inflammatory disease,defined by the presence of functional endometrial tissue outside of the uterine *** disease is one of the main gynecological diseases,affecting around 10%-15%women and girls of reproductive age,being a common gynecologic *** endometriosis is a benign disease,it shares several characteristics with invasive *** support that it has been linked with an increased chance of developing endometrial ovarian cancer,representing an earlier stage of neoplastic *** is particularly true for women with clear cell carcinoma,low-grade serous carcinoma and ***,the carcinogenic pathways between both pathologies remain poorly *** studies suggest a connection between endometriosis and endometriosis-associated ovarian cancers(EAOCs)via pathways associated with oxidative stress,inflammation,and *** article aims to review current data on the molecular events linked to the development of EAOCs from endometriosis,specifically focusing on the complex relationship between the immune response to endometriosis and cancer,including the molecular mechanisms and their *** recent developments in immunotherapy and their potential to boost the effectiveness of future treatments.

关键词： Ovarian neoplasms Endometriosis Endometriosis-associated ovarian cancers Immune response Immunotherapy

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Clinicopathological Description of a Chronic Lymphocytic Leukemia in a Dog

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Open Journal of Veterinary Medicine 2024年第7期14卷 155-162页

作者： Maria Clara Boni Raffi Giovanna Valverde Magalhães Barbosa Alana Carolina Capais rodrigues Sheila Canevese Rahal John P. Kastelic Luíz guilherme Dercore Benevenuto Iolanda Simões Braga Beatriz Poloni Batista Felipe César Da silva Brasileiro Fernanda Barthelson Carvalho de Moura Priscylla Tatiana Chalfun Guimarães Okamoto Regina Kiomi Takahira Alessandra Melchert Noeme Sousa Rocha Department of Veterinary Clinics School of Veterinary Medicine and Animal Science So Paulo State UniversityUNESP Botucatu SP Brazil Independent Veterinary Practitioner Department of Veterinary Surgery and Animal Reproduction School of Veterinary Medicine and Animal Science So Paulo State UniversityUNESP Botucatu SP Brazil Faculty of Veterinary Medicine University of Calgary Calgary Canada

Hematopoietic tumors are associated with diagnostic and therapeutic challenges and a poor prognosis. Furthermore, their pathophysiology in dogs is not well understood. Chronic lymphocytic leukemia has been rarely reported in golden retrievers, perhaps due to difficulties in diagnosis and care. An 8-year-old spayed female golden retriever was referred to our hospital with a 2-month history of fatigue, weakness, and selective appetite. The dog was diagnosed with chronic lymphocytic leukemia based on blood smear evaluation. Despite treatment, the dog deteriorated and the owners opted for euthanasia. Histopathological examination revealed atypical lymphocytes in the spleen, extramedullary hematopoiesis in the spleen and liver, bone marrow depletion, moderate neutrophilic myocarditis, and acute renal tubular necrosis. In an immunohistochemical panel, cells in the spleen and bone marrow were positive for anti-CD20, anti-CD45, anti-CD3, anti-IBA-1, anti-Ki67, anti-MUM-1, and anti-PAX-5. In conclusion, the leukemia diagnosis was confirmed through reactive histiocytosis, marked extramedullary hematopoiesis, and other clinical and laboratory findings. Herein, we report a case of chronic lymphocytic leukemia in a female dog with clinical, laboratory, and necroscopy findings.

关键词： Canine Cancer Neoplasia Therapeutics

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