维普中文期刊产品整合服务
33篇 您的检索式:作者名="R.Patel"
    题名 作者 年代 出处 被引量
1Totally intracorporeal robot-assisted urinary diversion for bladder cancer(part 2).Review and detailed characterization of the existing intracorporeal orthotopic ileal neobladder显示文摘Objective:To review the most used intracorporeal orthotopic ileal neobladder(ICONB)after radical cystectomy for bladder cancer and create a unified compendium of the different alternatives,including new consistent images.Methods:We performed a non-systematic review of the literature with the keywords“bladder cancer”,“urinary diversion”,“radical cystectomy”,and“neobladder”.Results:Forty studies were included in the analysis.The most frequent type of ICONB was the modified Studer“U”neobladder(70%)followed by the Hautmann“W”modified neobladder(7.5%),the“Y”neobladder(5%),and the Padua neobladder(5%).The operative time to perform a urinary diversion ranged from 124 to 553 min.The total estimated blood loss ranged from 200 to 900 mL.The rate of positive surgical margins ranged from 0%to 8.1%.Early minor and major complication rates ranged from 0%to 100%and from 0%to 33%,respectively.Late minor and major complication rates ranged from 0%to 70%and from 0%to 25%,respectively.Conclusion:The most frequent types of ICONB are Studer“U”neobladder,Hautmann“W”neobladder,“Y”neobladder,and the Padua neobladder.Randomized studies comparing the performance of the different types of ICONB,the performance in an intra or extracorporeal manner,or the performance of an ICONB versus ICIC are lacking in the literature.To this day,there are not sufficient quality data to determine the supremacy of one technique.This manuscript represents a compendium of the most used ICONB with detailed descriptions of the technical aspects,operative and perioperative outcomes,and new consistent images of each technique.Hugo Otaola-Arca Kulthe Ramesh Seetharam Bhat Vipul R.Patel Marcio Covas Moschovas Marcelo Orvieto 2021Asian Journal of Urology2021,8,1:5
2Totally intracorporeal robot-assisted urinary diversion for bladder cancer(Part 1).Review and detailed characterization of ileal conduit and modified Indiana pouch显示文摘Objective:To review the most used robot-assisted cutaneous urinary diversion(CUD)after radical cystectomy for bladder cancer and create a unified compendium of the different alternatives,including new consistent images Methods:A non-systematic review of the literature with the keywords“bladder cancer”,“cutaneous urinary diversion”,and“radical cystectomy”was performed.Results:Twenty-four studies of intracorporeal ileal conduit(ICIC)and two of intracorporeal Indiana pouch(ICIP)were included in the analysis.Regarding ICIC,the patients’age ranged from 60 to 76 years.The operative time to perform a urinary diversion ranged from 60 to 133 min.The total estimated blood loss ranged from 200 to 1117 mL.The rate of positive surgical margins ranged from 0%to 14.3%.Early minor and major complication rates ranged from 0%to 71.4%and from 0%to 53.4%,respectively.Late minor and major complication rates ranged from 0%to 66%and from 0%to 32%,respectively.Totally ICIP data are limited to one case report and one clinical series.Conclusion:The most frequent type of CUD is ICIC.Randomized studies comparing the performance of the different types of CUD,the performance in an intra-or extracorporeal manner,or the performance of a CUD versus orthotopic ileal neobladder are lacking in the literature.To this day,there are not enough quality data to determine the supremacy of one technique.This manuscript represents a compendium of the most used CUD with detailed descriptions of the technical aspects,operative and perioperative outcomes,and new consistent images for each technique.Hugo Otaola-Arca Rafael Coelho Vipul R.Patel Marcelo Orvieto 2021Asian Journal of Urology2021,8,1:3
3Single-port technique evolution and current practice in urologic procedures显示文摘Different groups described the single-port surgery since its first report in laparoscopic procedures.However,the acceptance of this technique among urologists,even after the robotic approach,was reduced in the past years.Therefore,to overcome the challenges related to the single-port surgery,a new robotic platform named da Vinci SP was created with exclusive single port technology.We performed a non-systematic literature review regarding the single port technique in urologic surgeries since the first laparoscopic report until the da Vinci SP robotic platform.Three different periods were described(laparoscopy,robotic,and da Vinci SP),and we focused in our experience with this new single port robot.We selected different articles and summarized the information regarding the use of single-site surgery in laparoscopic procedures and the challenges of this approach.We also reported the experience of different groups using the single port robotic technique and some recent reports of the da Vinci SP approach.In our experience with this new console,we described some critical points related to our radical prostatectomy technique and the lessons learned during the introduction of this novel platform.Previous single-site procedures described some common challenges that limited the technique expansion.However,our experience with the da Vinci SP described feasible and safe procedures with acceptable intraoperative outcomes.The introduction of this platform is recent in the market,and the literature still lacks a high level of evidence describing the long-term outcomes of this new technology.Marcio Covas Moschovas Kulthe Ramesh Seetharam Bhat Fikret Fatih Onol Travis Rogers Gabriel Ogaya-Pinies Shannon Roof Vipul R.Patel 2021Asian Journal of Urology2021,8,1:3
4Magnetic resonance imaging-guided prostate biopsydA review of literature显示文摘Objective:Multiparametric magnetic resonance imaging(MP-MRI)helps to identify lesion of prostate with reasonable accuracy.We aim to describe the various uses of MP-MRI for prostate biopsy comparing different techniques of MP-MRI guided biopsy.Materials and methods:A literature search was performed for“multiparametric MRI”,“MRI fusion biopsy”,“MRI guided biopsy”,“prostate biopsy”,“MRI cognitive biopsy”,“MRI fusion biopsy systems”,“prostate biopsy”and“cost analysis”.The search operation was performed using the operator“OR”and“AND”with the above key words.All relevant systematic reviews,original articles,case series,and case reports were selected for this review.Results:The sensitivity of MRI targeted biopsy(MRI-TB)is between 91%e93%,and the specificity is between 36%e41%in various studies.It also has a high negative predictive value(NPV)of 89%e92%and a positive predictive value(PPV)of 51%e52%.The yield of MRI fusion biopsy(MRI-FB)is similar,if not superior to MR cognitive biopsy.In-bore MRI-TB had better detection rates compared to MR cognitive biopsy,but were similar to MR fusion biopsy.Conclusions:The use of MRI guidance in prostate biopsy is inevitable,subject to availability,cost,and experience.Any one of the three modalities(i.e.MRI cognitive,MRI fusion and MRI in-bore approach)can be used.MRI-FB has a fine balance with regards to accuracy,practicality and affordability.Kulthe Ramesh Seetharam Bhat Srinivas Samavedi Marcio Covas Moschovas Fikret Fatih Onol Shannon Roof Travis Rogers Vipul R.Patel Ananthakrishnan Sivaraman 2021Asian Journal of Urology2021,8,1:3
5Persistent cough as a paraneoplastic presenting symptom in six patients with renal cell carcinoma显示文摘Objective:With today’s modern imaging modalities,patients diagnosed with renal cell carcinoma(RCC)rarely present symptomatically.In some cases,however,they can develop paraneoplastic syndromes with associated symptoms.To date,only three cases of RCC presenting with chronic dry cough have been reported.We describe six patients who presented with cough that improved following radical nephrectomy.Methods:A retrospective review of patients undergoing partial or radical nephrectomy for renal masses between January 2015 and March 2016 was performed,and patients presenting with a cough were examined.Results:Six patients presented with chronic cough and were discovered to have a large renal mass.Postoperative spontaneous resolution of cough was noted in all but one patient,in whom coughing was reduced and limited to the mornings.Cough duration ranged from 3 months to just over a year.All patients were treated with radical nephrectomy,which was cytoreductive in four patients.Average tumor size was 10.9 cm(SD=2.2 cm).Five of the tumors had clear cell pathology,and every tumor was Fuhrman grade IV,unifocal,and demonstrated necrosis.Sarcomatoid features were reported in four of the tumors.Conclusion:Our study presents the largest series of patients with RCC who presented with a chronic cough that was significantly improved following radical nephrectomy.We believe the cause of cough is multifactorial and further investigation is needed to clearly elucidate the etiology.Vinay R.Patel Bradley A.Morganstern Louis R.Kavoussi 2017Asian Journal of Urology2017,4,1:2
6Robotic surgery techniques to approach benign prostatic hyperplasia disease:A comprehensive literature review and the state of art显示文摘Objective:The robotic-assisted approach to simple prostatectomy(RASP)was conceived,essentially reproducing the fundaments of open simple prostatectomy.Since the first report,RASP underwent several technical modifications.The study aims to identify and describe the current robotic surgery techniques to approach benign prostatic hyperplasia(BPH).Methods:The paper performed a non-systematic literature review accessing PubMed and Embase databases for all full-text articles published from 2008 to May 2020,assessing robot-assisted surgical techniques for BPH treatment using the terms“robot-assisted simple prostatectomy”OR“robotic simple prostatectomy”OR“RASP”AND“surgical technique”.Results:After careful review of 180 studies in PubMed and 198 in Embase,16 papers reporting different RASP techniques.After the first procedure described by Sotelo et al.[9],several authors contributed to the development of the RASP technique.John et al.[24]proposed the extraperitoneal access,and Yuh et al.[23]first reported the adenoma transcapsular dissection.Some modifications were proposed by Coelho et al.[31]on trigonization,posterior reconstruction,and urethro-vesical anastomosis.Other groups focused on urethral-preserving procedures.Moschovas et al.[28]and Clavijo et al.[32]recently described an intrafascial RASP with the removal of the entire prostatic tissue.Finally,Kaouk et al.[29]reported the feasibility and safety of the da Vinci Single Port approach.Conclusion:In the last eighteen years,the robotic-assisted approach to BPH disease has been evolved,and different techniques have been described.This review details all the technical developments on RASP that distinctive groups have proposed since the multiport robotic platforms until the new da Vinci Single Port.Marcio Covas Moschovas Frederico Timo´teo Leonardo Lins Ose´as de Castro Neves Kulthe Ramesh Seetharam Bhat Vipul R.Patel 2021Asian Journal of Urology2021,8,1:2
7Robotic assisted laparoscopic radical prostatectomy: a review of the current state of affairs显示文摘V. R.Patel M. F.Chammas S.Shah 2007International Journal of Clinical Practice2007,,2:1
8Removal of aflatoxin M1 from milk and aqueous medium by indigenously isolated strains of W.confusa H1 and L.plantarum S2显示文摘Employing LAB and/or their metabolites to reduce aflatoxins from food products is one of the fascinating areas of research.Therefore,in the present work an attempt was made to study the effect of isolated lactic acid bacteria(LAB)on the reduction of aflatoxin M1(AFM1)from phosphate buffer saline(PBS)and reconstituted skim milk(RSM).Out of 68 isolates,nine strains of LAB isolated from food products were examined to bind and reduce AFM1.The isolates were incubated with AFM1 at different time and temperature(24 h,48 h,and 72 h at 37℃ and 4℃)and later the residual toxin in the supernatant was determined.The preliminary results through thin layer chromatography(TLC)revealed that all isolates were able to bind AFM1 in PBS.However,based on the intensity of spots observed in TLC sheets,it was indicated that two isolates,H1 and S2 genotypically identified as W.confusa and L.plantarum shown better AFM1 binding ability as compared to other isolates.Further,the heat treated cells of both the selected strains did not show significant difference to AFM1 binding ability as compared to live cells.Results of high performance liquid chromatography(HPLC)observed that W.confusa H1 and L.plantarum had shown 78% and 72%AFM1 binding in PBS at 37℃ after 72 h.There was a significant difference(P<0.05)in AFM1 binding ability of L.plantarum S2 at 37℃&4℃,but such difference was not observed for W.confusa H1.Moreover,these isolates also observed reduction of naturally present AFM1 in 10%RSM.This is the first study reporting the AFM1 binding capability of the genus Weissella(strain W.confusa H1)and Enterococcus durans.These results showed that indigenous strains of LAB are able to bind AFM1 effectively.Himani J.Chaudhary Ami R.Patel 2022Food Bioscience2022,45,1:1
9Polymeric black tea polyphenols inhibit mouse skin chemical carcinogenesis by decreasing cell proliferation显示文摘R.Patel R.Krishnan A.Ramchandani G.Maru 2008Cell Proliferation2008,,:1
10Effects of resistance exercise with and without creatine supplementation on gene expression and cell signaling in human skeletal muscle显示文摘Deldicque L P.Atherton R.Patel 0,,02:1
11Heat and mass transfer in magnetohydrodynamic(MHD)Casson fluid flow past over an oscillating vertical plate embedded in porous medium with ramped wall temperature显示文摘The present paper is concerned with the study of flow,heat and mass transfer characteristics in the unsteady natural convective magneto hydrodynamics Casson fluid flow past over an oscillating vertical plate.The governing partial differential equations are solved analytically using Laplace transform technique and numerically using Matlab software.Expressions of skin friction,Nusselt number and Sherwood number are obtained.The features of the fluid flow,heat and mass transfer characteristics are analyzed by plotting graphs and the physical aspects are discussed in detail.Hari R.Kataria Harshad R.Patel 2018Propulsion and Power Research2018,7,3:1
12Effects of chemical reaction and heat generation/absorption on magnetohydrodynamic(MHD)Casson fluid flow over an exponentially accelerated vertical plate embedded in porous medium with ramped wall temperature and ramped surface concentration显示文摘This article studies effects of heat generation/absorption and chemical reaction on the unsteady magnetohydrodynamic(MHD)Casson fluid flow past over exponentially accelerated vertical plate embedded in porous medium.It is assumed that the bounding plate has ramped temperature with ramped surface concentration and isothermal temperature with ramped surface concentration.This phenomenon is modeled in the form of system of partial differential equations with initial and boundary conditions.The goveming dimensionless equations are solved using Laplace transfom technique and expressions for velocity,temperature and concentration profiles are obtained.Expressions for skin friction,Nusselt number and Sherwood number are also derived and represented in tabular form.Effect of pertinent parameters on velocity,temperature and concentration profiles are presented through graphically.Hari R.Kataria Harshad R.Patel 2019Propulsion and Power Research2019,8,1:1
13在美国针对放射学专家的医疗事故诉讼的起因显示文摘J.S.Whang S.R.Baker R.Patel2013国际医学放射学杂志2013,,02:1
14Robotic renal and adrenal oncologic surgery:A contemporary review显示文摘Robot-assisted surgery has evolved over time.Radical nephrectomy with inferior vena cava thrombectomy is feasible and safe for level I,II and III thrombus in high volume centers.Though it is feasible for level IV thrombus,this procedure needs a multi-departmental cooperation.However,the safety of robot-assisted procedures in this subset is still unknown.Robot-assisted partial nephrectomy has been universally approved and found oncologically safe.Robotic adrenalectomy has been increasingly utilized for select cases,especially in bilateral tumors and for retroperitoneal adrenalectomy.Kulthe Ramesh Seetharam Bhat Marcio Covas Moschovas Fikret Fatih Onol Travis Rogers Shannon Roof Vipul R.Patel Oscar Schatloff 2021Asian Journal of Urology2021,8,1:1
15Liquid chromatography-tandem mass spectrometry method for simultaneous determination of albendazole and albendazole sulfoxide in human plasma for bioequivalence studies显示文摘An improved high performance liquid chromatography-tandem mass spectrometry(LC-MS/MS) method has been developed for sensitive and rapid determination of albendazole(ABZ) and its active metabolite,albendazole sulfoxide(ABZSO),in the positive ionization mode.The method utilized solid phase extraction(SPE) for sample preparation of the analytes and their deuterated internal standards(ISs) from100 μL human plasma.The chromatography was carried out on Hypurity C_(18) column using acetonitrile-2.0 mM ammonium acetate,pH 5.0(80:20,v/v) as the mobile phase.The assay exhibited a linear response over the concentration range of 0.200-50.0 ng/mL for ABZ and 3.00-600 ng/mL for ABZSO.The recoveries of the analytes and ISs ranged from 86.03%-89.66%and 89.85%-98.94%,respectively.Matrix effect,expressed as IS-normalized matrix factors,ranged from 0.985 to 1.042 for the both analytes.The method was successfully applied for two separate studies in healthy subjects using single dose of 400 mg conventional tablets and 400 mg chewable ABZ tablets,respectively.Dhiraj M.Rathod Keyur R.Patel Hiren N.Mistri Arvind G.Jangid Pranav S.Shrivastav Mallika Sanyal 2016Journal of Pharmaceutical Analysis2016,6,4:1
16Evaluation of hydroxypropyl methylcellulose matrix systems as swellable gastro‐retentive drug delivery systems (GRDDS)显示文摘Amol S.Matharu Michael G.Motto Mahendra R.Patel Anthony P.Simonelli Rutesh H.Dave 2010J Pharm Sci2010,,1:1
17Bacteriocins as antimicrobial and preservative agents in food:Biosynthesis,separation and application显示文摘Emerging evidence shows the trend of using safe and natural preservatives like bacteriocins in food processing.The increasing demand by the food industry to extend keeping quality and prevent spoilage of various food products has appealed for new preservatives and new methods of conservation.Further,to discover the novel spectrum of antimicrobial compounds that could effectively battle food-borne pathogens,bacteriocins have been intensively studied in the last few years.Recently,great attention has been paid to the application of lactic acid-bacterial bacteriocins targeting food spoilage-causing or pathogenic microorganisms with no significant side effects.Different mechanisms of action like pore-formation,retarding cell-wall/nucleic acid/protein synthesis have been proposed and described for diverse bacteriocins.Therefore,the syntheses,purification of bacteriocins in addition to their applications as antimicrobial and preservative agents in food processing are reviewed in detail.The review will also discuss the preservative effect of bacteriocins and their combinations having multiple modes of action(hurdle approach)to reduce the microbial load as well as antimicrobial resistance.Deepak Kumar Verma Mamta Thakur Smita Singh Soubhagya Tripathy Alok Kumar Gupta Deepika Baranwal Ami R.Patel Nihir Shah Gemilang Lara Utama Alaa Kareem Niamah M´onica L.Ch´avez-Gonz´alez Carolina Flores Gallegos Cristobal Noe Aguilar Prem Prakash Srivastav 2022Food Bioscience2022,46,2:1
18Coagulation abnormalities and their relationship with bleeding manifestations in patients with dengue-A single center observational study显示文摘Objective:To evaluate coagulation abnormalities and their relationship with bleeding manifestations among patients with dengue.Methods:This observational study was conducted on 292 adult dengue patients who were admitted to a tertiary care hospital of Western India from July 2021 to June 2022.Coagulation tests including prothrombin time(PT),international normalized ratio(INR),activated partial thromboplastin time(aPTT),fibrinogen,and D-dimer were performed.Patients were monitored for bleeding manifestations.Results:Coagulation abnormalities were reported in 42.8%of the patients.Overall,prolonged aPTT was the most common coagulation abnormality(40.8%),followed by low fibrinogen(38.7%),raised D-dimer(31.2%),raised INR(26.0%)and prolonged PT(19.2%).Bleeding manifestations were present in 19.9%patients.PT,INR,aPTT and D-dimer levels were significantly higher(P<0.01)and fibrinogen level was significantly lower(P<0.001)in patients with bleeding compared to patients without bleeding.Patients with bleeding had a significantly higher rate of all coagulation abnormalities than patients without bleeding(P<0.01).Conclusions:Patients with bleeding showed a significantly higher frequency of coagulation abnormalities compared to patients without bleeding.Patients with dengue should be assessed for coagulation abnormalities.Govind R.Patel Indu Thanvi Mohammad Nadeem Rahul Kanwaria 2023Asian Pacific Journal of Tropical Medicine2023,16,2:0
19Stable fuzzy controllers via LMI approach for non-linear systems described by type-2 T-S fuzzy model显示文摘Purpose-The purpose of this paper is to stabilize the type-2 Takagi-Sugeno(T-S)fuzzy systems with the sufficient and guaranteed stability conditions.The given conditions efficaciously handle parameter uncertainties by the upper and lower membership functions of the type-2 fuzzy sets(FSs).Design/methodology/approach-This paper reports on a relevant study of stable fuzzy controllers and type-2 T-S fuzzy systems and reported that the synthesis of controller for nonlinear systems described by the type-2 T-S fuzzy model is a key problem and it can be resolve to convex problems via linear matrix inequalities(LMIs).Findings-The multigain fuzzy controllers are established to improve the solvability of the stability conditions,and the authors design multigain fuzzy controllers which have extensive information of upper and lower membership grades.Consequently,the authors derive the traditional stability condition in terms of LMIs.One simulation examples illustrate the effectiveness and robustness of the derived stabilization conditions.Originality/value-The uncertain MIMO nonlinear system described by Type-2 Takagi-Sugeno(T-S)fuzzy model,and successively LMI approach used to determine the system stability conditions.The proposed control approach will give superior fault-tolerant control permanence under the actuator fault[partial loss of effectiveness(LOE)].Also the controller robust against the unmeasurable process disturbances.Additionally,the statistical z-test are carried out to validate the proposed control approach against the control approach proposed by Himanshukumar and Vipul(2019a).Himanshukumar R.Patel Vipul A.Shah 2021International Journal of Intelligent Computing and Cybernetics2021,14,3:0
20Mortality from COVID-19 in patients with lung cancer显示文摘The World Health Organization declared coronavirus infectious disease-2019(COVID-19)linked to the severe acute respiratory syndrome(SARS-CoV-2),a global pandemic in March 2020.The pandemic outbreak has led to the most unprecedented and catastrophic loss of human life in the recent history.As of January 2021,there were more than 100 million cases of COVID-19 and more than two million deaths worldwide.Compared to the general population,patients with cancer are at a higher risk of poor outcomes from COVID-19.In large cohort studies,mortality from COVID-19 in patients with cancer can be as high as 40%.In addition to clinical variables(older age,male sex,and co-morbidities)that are associated with mortality in general population,cancer patients are uniquely vulnerable to severe COVID-19 due to immunosuppression from cancer and its therapy,and disruption of routine clinical care.Among patients with cancer,the lung cancer population is at a higher risk of poor outcomes and mortality from COVID-19 for several reasons.For instance,lung is the main target organ in COVID-19 that can lead to respiratory failure,patients with lung cancer have baseline poor lung function from chronic obstructive pulmonary disorder and smoking.In addition,some of the lung cancer treatment side-effects like pneumonitis,may obscure the diagnosis of COVID-19.In this article,we systematically review the most impactful cohort studies published to date in patients with cancer and COVID-19.We describe the rates of mortality in patients with cancer and COVID-19 with a special focus on the lung cancer population.We also summarize the factors associated with poor outcomes and mortality in patients with lung cancer and COVID-19.Amit A.Kulkarni Grace Wilson Naomi Fujioka Manish R.Patel 2021Journal of Cancer Metastasis and Treatment2021,7,1:0
返回顶部 每页显示:
共2页 首页 上一页 第1页 下一页 末页 /2 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