维普中文期刊产品整合服务
19篇 您的检索式:作者名="Evaldo"
    题名 作者 年代 出处 被引量
1应用随机反演改善储层表征的过程(英文)显示文摘为了适当地完成储层表征的过程,一个有效的方法就是把现场所有可以利用的信息融合成一个一致性的模型。在实际生产中实现这种融合并非简单的任务,所以有必要运用如地震反演等特殊方法。应用地震反演可以使测井数据和地震数据的有效结合成为可能,并且可以得到一个模型,该模型在预测过程中可通过流体数字模拟来验证。地震反演可以通过多种方法进行,主要分为两大类:一类是确定性方法(其代表是回归反演和约束稀疏脉冲反演),另一类是随机方法(其代表是地质统计学反演)。在本次研究中,通过随机反演结果和确定性反演结果的对比展示了随机反演是如何改进储层表征过程的。事实上,随机反演,可以运用较高的采样率(和储层模型的网格大小相接近),来产生一个更可靠的模型。随机反演的另一个好处就是随机方法可产生一些基本的统计测量值来改进解释精度,并且在储层表征过程中能生成大量的实现,从而使储层模型的不确定性研究成为可能。Sergio Sacani Sancevero Armando Zaupa Remacre Evaldo Cesario Mundim Rodrigo de Souza Portugal 2008地学前缘2008,15,1:4
2Systematic review of ablative therapy for the treatment of renal allograft neoplasms显示文摘BACKGROUND To date,there are no guidelines on the treatment of solid neoplasms in the transplanted kidney.Historically,allograft nephrectomy has been considered the only reasonable option.More recently,nephron-sparing surgery (NSS) and ablative therapy (AT) have been proposed as alternative procedures in selected cases.AIM To review outcomes of AT for the treatment of renal allograft tumours.METHODS We conducted a systematic review according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses 2009 Checklist.PubMed was searched in March 2019 without time restrictions for all papers reporting on radiofrequency ablation (RFA),cryoablation (CA),microwave ablation (MWA),high-intensity focused ultrasound (HIFU),and irreversible electroporation (IRE) of solid tumours of the kidney allograft.Only original manuscripts describing actual cases and edited in English were considered.All relevant articles were accessed in full text.Additional searches included all pertinent references.Selected studies were also assessed for methodological quality using a tool based on a modification of the Newcastle Ottawa scale.Data on recipient characteristics,transplant characteristics,disease characteristics,treatment protocols,and treatment outcomes were extracted and analysed.Given the nature and the quality of the studies available (mostly retrospective case reports and small retrospective uncontrolled case series),a descriptive summary was provided.RESULTS Twenty-eight relevant studies were selected describing a total of 100 AT procedures in 92 patients.Recipient age at diagnosis ranged from 21 to 71 years whereas time from transplant to diagnosis ranged from 0.1 to 312 mo.Most of the neoplasms were asymptomatic and diagnosed incidentally during imaging carried out for screening purposes or for other clinical reasons.Preferred diagnostic modality was Doppler-ultrasound scan followed by computed tomography scan,and magnetic resonance imaging.Main tumour types were: papillary renal cell carcinoma (RCC) and clear cell RCC.Maximal tumour diameter ranged from 5 to 55 mm.The vast majority of neoplasms were T1a N0 M0 with only 2 lesions staged T1b N0 M0.Neoplasms were managed by RFA (n = 78),CA (n = 15),MWA (n = 3),HIFU (n = 3),and IRE (n = 1).Overall,3 episodes of primary treatment failure were reported.A single case of recurrence was identified.Follow-up ranged from 1 to 81 mo.No cancer-related deaths were observed.Complication rate was extremely low (mostly < 10%).Graft function remained stable in the majority of recipients.Due to the limited sample size,no clear benefit of a single procedure over the other ones could be demonstrated.CONCLUSION AT for renal allograft neoplasms represents a promising alternative to radical nephrectomy and NSS in carefully selected patients.Properly designed clinical trials are needed to validate this therapeutic approach.Evaldo Favi Nicholas Raison Federico Ambrogi Serena Delbue Maria Chiara Clementi Luca Lamperti Marta Perego Matteo Bischeri Mariano Ferraresso 2019World Journal of Clinical Cases2019,7,17:2
3Simeprevir with pegylated interferon alfa 2a or 2b plus ribavirin in treatment-naive patients with chronic hepatitis C virus genotype 1 infection (QUEST-2): a randomised, double-blind, placebo-controlled phase 3 trial显示文摘Michael Manns Patrick Marcellin Fred Poordad Evaldo Stanislau Affonso de Araujo Maria Buti Yves Horsmans Ewa Janczewska Federico Villamil Jane Scott Monika Peeters Oliver Lenz Sivi Ouwerkerk-Mahadevan Guy De La Rosa Ronald Kalmeijer Rekha Sinha Maria Beum 2014The Lancet2014,,:1
4On the stability of analytic entropic forms显示文摘Evaldo M F Curado 2004Physica A2004,335,:1
5Multi-layer structure for chemical vapor deposition diamond on electroplated diamond tools 显示文摘Leticia W de Resende Evaldo J Corat 2001Diamond and related Materials2001,,10:1
6DLC cold welding prevention films on a Ti6A14V alloy for space applications显示文摘Lucia V Santos Vladimir J Trava - Airoldi Evaldo J Corat 2006Surface & Coatings Technology2006,200,:1
7Antioxidant capacity of four polyphenol-rich Amazonian plant extracts: a correlation study using chemical and biological in vitro assays显示文摘JESUS N S EVALDO M S ADELINE L 2008Food Chemistry2008,106,:1
8Antioxi- dant capacity of four polyphenol rich Amazonian plant extracts: a correlation study using chemical and biolog- ical in vitro assays显示文摘Jesus N S S Evaldo M S Adeline L 2008Food Chemistry2008,106,:1
9Oxidative stress biomarkers of exposure in the blood of cichlid species from a metal-contaminated river显示文摘Clarissa Bonafé Gaspar Ruas Cleoni dos Santos Carvalho Heloísa Sobreiro Selistre de Araújo Evaldo Luiz Gaeta Espíndola Marisa Narciso Fernandes 2007Ecotoxicology and Environmental Safety2007,,1:1
10Identification, Synthesis, and Field Evaluation of the Sex Pheromone from the Citrus Leafminer, Phyllocnistis citrella显示文摘Walter S. Leal Ana Lia Parra-Pedrazzoli Allard A. Cossé Yasuhiro Murata José Maurício S. Bento Evaldo F. Vilela 2006Journal of Chemical Ecology2006,,1:1
11DLC cold welding prevention films on a Ti6Al4V alloy for space applications 显示文摘Lucia V S Vladimir J Trava-Airoldi Evaldo J C 2006Surface&Coatings Technology2006,200,:1
12Organizational knowledge and the manufacturing strategy process: A resource-based view analysis显示文摘Ely Laureano Paiva Aleda V. Roth Jaime Evaldo Fensterseifer 2007Journal of Operations Management2007,,1:1
13Antioxidant capacity of four polyphenol rich Amazonian plant extracts: a cor- relation study using chemical and biological in vitro assays 显示文摘JESUS N S EVALDO M S ADELINE L 2008Food Chemistry2008,106,:1
14Organizational Knowledge and the Manufacturing Strategy Process: A Resource - based View Analysis 显示文摘Ely Laureano Paiva Aleda V Roth Jaime Evaldo Fensterseifer 2008Journal of Operations Management2008,26,:1
15Allograft artery mycotic aneurysm after kidney transplantation: A case report and review of literature显示文摘BACKGROUND Allograft artery mycotic aneurysm(MA)represents a rare but life-threatening complication of kidney transplantation.Graftectomy is widely considered the safest option.Due to the rarity of the disease and the substantial risk of fatal consequences,experience with conservative strategies is limited.To date,only a few reports on surgical repair have been published.We describe a case of true MA successfully managed by aneurysm resection and arterial re-anastomosis.CASE SUMMARY An 18-year-old gentleman,on post-operative day 70 after deceased donor kidney transplantation,presented with malaise,low urinary output,and worsening renal function.Screening organ preservation fluid cultures,collected at the time of surgery,were positive for Candida albicans.Doppler ultrasound and contrastenhanced computer tomography showed a 4-cm-sized,saccular aneurysm of the iuxta-anastomotic segment of the allograft artery,suspicious for MA.The lesion was wide-necked and extended to the distal bifurcation of the main arterial branch,thus preventing endovascular stenting and embolization.After multidisciplinary discussion,the patient underwent surgical exploration,aneurysm excision,and re-anastomosis between the stump of the allograft artery and the internal iliac artery.The procedure was uneventful.Histology and microbiology evaluation of the surgical specimen confirmed the diagnosis of MA caused by Candida infection.Three years after the operation,the patient is doing very well with excellent allograft function and no signs of recurrent disease.CONCLUSION Surgical repair represents a feasible option in carefully selected patients with allograft artery MA.Anti-fungal prophylaxis is advised when preservation fluid cultures are positive.Marco Bindi Mariano Ferraresso Maria Letizia De Simeis Nicholas Raison Laura Clementoni Serena Delbue Marta Perego Evaldo Favi 2020World Journal of Clinical Cases2020,8,5:0
16What Do Cattle Prefer in a Tropical Climate: Water Immersion or Artificial Shade?显示文摘Ana Carina Alves Pereira de Mira Geraldo Alfredo Manuel Franco Pereira Cristiane Gonqalves Titto Evaldo Antonio Lencioni Titto 2012Journal of Life Sciences2012,6,12:0
17种子库和植被物种之间的差异有助于保持新热带稀树草原的功能多样性显示文摘本研究的目的是量化种子库和建立的植被对物种组成、功能组成和多样性的贡献,并讨论这些差异对冲积平原植物群落更新和稳定性的影响。我们在巴西潘塔纳尔湿地的一个周期性洪水泛滥的稀树大草原上,在旱季和雨季对分布在5个地点的25个地块(10 m×1 m)的1.5 m高度的地面覆盖植被和种子库进行了采样。采用出苗法对土壤种子库进行了评价。研究结果表明,种子库物种具有赋予群落更新的特征,而植被则具有稳定性特征。种子库的功能丰富度高于植被,而功能均匀度则低于植被。由于种子库和植被的植物特征不同,使得具有不同功能稳定性和更新特性的物种得以共存,这将有助于维持植物的功能多样性。这可能会让植物种群在应对干旱、火灾和洪水等不同的环境选择时更具有弹性。Evaldo Bde Souza Francielli Bao Geraldo A.Damasceno Junior Arnildo Pott 2021Journal of Plant Ecology2021,14,4:0
18Incidence, risk factors, and outcome of BK polyomavirus infection after kidney transplantation显示文摘BACKGROUND Polyomavirus-associated nephropathy is a leading cause of kidney allograft failure. Therapeutic options are limited and prompt reduction of the net state of immunosuppression represents the mainstay of treatment. More recent application of aggressive screening and management protocols for BK-virus infection after renal transplantation has shown encouraging results. Nevertheless,long-term outcome for patients with BK-viremia and nephropathy remains obscure. Risk factors for BK-virus infection are also unclear.AIM To investigate incidence, risk factors, and outcome of BK-virus infection after kidney transplantation.METHODS This single-centre observational study with a median follow up of 57(31-80) mo comprises 629 consecutive adult patients who underwent kidney transplantation between 2007 and 2013. Data were prospectively recorded and annually reviewed until 2016. Recipients were periodically screened for BK-virus by plasmaquantitative polymerized chain reaction. Patients with BK viral load ≥ 1000 copies/mL were diagnosed BK-viremia and underwent histological assessment to rule out nephropathy. In case of BK-viremia, immunosuppression was minimized according to a prespecified protocol. The following outcomes were evaluated: patient survival, overall graft survival, graft failure considering death as a competing risk, 30-d-event-censored graft failure, response to treatment,rejection, renal function, urologic complications, opportunistic infections, newonset diabetes after transplantation, and malignancies. We used a multivariable model to analyse risk factors for BK-viremia and nephropathy.RESULTS BK-viremia was detected in 9.5% recipients. Initial viral load was high(≥ 10000 copies/mL) in 66.7% and low(< 10000 copies/mL) in 33.3% of these patients.Polyomavirus-associated nephropathy was diagnosed in 6.5% of the study population. Patients with high initial viral load were more likely to experience sustained viremia(95% vs 25%, P < 0.00001), nephropathy(92.5% vs 15%, P <0.00001), and polyomavirus-related graft loss(27.5% vs 0%, P = 0.0108) than recipients with low initial viral load. Comparison between recipients with or without BK-viremia showed that the proportion of patients with Afro-Caribbean ethnicity(33.3% vs 16.5%, P = 0.0024), panel-reactive antibody ≥ 50%(30% vs14.6%, P = 0.0047), human leukocyte antigen(HLA) mismatching > 4(26.7% vs13.4%, P = 0.0110), and rejection within thirty days of transplant(21.7% vs 9.5%; P= 0.0073) was higher in the viremic group. Five-year patient and overall graft survival rates for patients with or without BK-viremia were similar. However,viremic recipients showed higher 5-year crude cumulative(22.5% vs 12.2%, P =0.0270) and 30-d-event-censored(22.5% vs 7.1%, P = 0.001) incidences of graft failure than control. In the viremic group we also observed higher proportions of recipients with 5-year estimated glomerular filtration rate < 30 mL/min than the group without viremia: 45% vs 27%(P = 0.0064). Urologic complications were comparable between the two groups. Response to treatment was complete in55%, partial in 26.7%, and absent in 18.3% patients. The nephropathy group showed higher 5-year crude cumulative and 30-d-event-censored incidences of graft failure than control: 29.1% vs 12.1%(P = 0.008) and 29.1% vs 7.2%(P <0.001), respectively. Our multivariable model demonstrated that Afro-Caribbean ethnicity, panel-reactive antibody > 50%, HLA mismatching > 4, and rejection were independent risk factors for BK-virus viremia whereas cytomegalovirus prophylaxis was protective.CONCLUSION Current treatment of BK-virus infection offers sub-optimal results. Initial viremia is a valuable parameter to detect patients at increased risk of nephropathy. Panelreactive antibody > 50% and Afro-Caribbean ethnicity are independent predictors of BK-virus infection whereas cytomegalovirus prophylaxis has a protective effect.Evaldo Favi Carmelo Puliatti Rajesh Sivaprakasam Mariano Ferraresso Federico Ambrogi Serena Delbue Federico Gervasi Ilaria Salzillo Nicholas Raison Roberto Cacciola 2019World Journal of Clinical Cases2019,7,3:0
19Treatment options for localised renal cell carcinoma of the transplanted kidney显示文摘Currently,there is no consensus among the transplant community about the treatment of renal cell carcinoma(RCC)of the transplanted kidney.Until recently,graftectomy was universally considered the golden standard,regardless of the characteristics of the neoplasm.Due to the encouraging results observed in native kidneys,conservative options such as nephron-sparing surgery(NSS)(enucleation and partial nephrectomy)and ablative therapy(radiofrequency ablation,cryoablation,microwave ablation,high-intensity focused ultrasound,and irreversible electroporation)have been progressively used in carefully selected recipients with early-stage allograft RCC.Available reports show excellent patient survival,optimal oncological outcome,and preserved renal function with acceptable complication rates.Nevertheless,the rarity and the heterogeneity of the disease,the number of options available,and the lack of long-term follow-up data do not allow to adequately define treatment-specific advantages and limitations.The role of active surveillance and immunosuppression management remain also debated.In order to offer a better insight into this difficult topic and to help clinicians choose the best therapy for their patients,we performed and extensive review of the literature.We focused on epidemiology,clinical presentation,diagnostic work up,staging strategies,tumour characteristics,treatment modalities,and follow-up protocols.Our research confirms that both NSS and focal ablation represent a valuable alternative to graftectomy for kidney transplant recipients with American Joint Committee on Cancer stage T1aN0M0 RCC.Data on T1bN0M0 lesions are scarce but suggest extra caution.Properly designed multi-centre prospective clinical trials are warranted.Gloria Motta Mariano Ferraresso Luca Lamperti Dhanai Di Paolo Nicholas Raison Marta Perego Evaldo Favi 2020World Journal of Transplantation2020,10,6:0
返回顶部 每页显示:
共1页 首页 上一页 第1页 下一页 末页 /1 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费