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Nephrometry

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https://www.readbyqxmd.com/read/27928811/laparoscopic-versus-open-partial-nephrectomy-for-stage-t1a-of-renal-tumors
#1
Gholam Hossein Rezaeetalab, Hormoz Karami, Farid Dadkhah, Nasser Simforoosh, Nasser Shakhssalim
PURPOSE: Partial nephrectomy is the gold standard treatment for small kidney masses. Data on the comparison oflaparoscopic (LPN) versus open partial nephrectomy (OPN) are based on retrospective studies. Thus, we plannedto compare these two techniques in a prospective trial. MATERIALS AND METHODS: The study population consisted of patients over 18 years old with single renal mass of≤ 4 cm. Patients were divided into two groups considering their preference. Study arms were matched accordingto age, gender, tumor size and location and renal nephrometry score...
December 8, 2016: Urology Journal
https://www.readbyqxmd.com/read/27909621/impact-of-robotic-partial-nephrectomy-with-and-without-ischemia-on-renal-functions-experience-in-34-cases
#2
Kemal Ener, Abdullah Erdem Canda, Serkan Altınova, Ali Fuat Atmaca, Erdal Alkan, Erem Asil, Muhammet Fuat Özcan, Ziya Akbulut, Mevlana Derya Balbay
OBJECTIVE: In this study we aimed to compare renal functions in patients who underwent robotic partial nephrectomy (RPN) with on-clamp and zero- ischemia techniques. MATERIAL AND METHODS: Between 2009 and 2015, 12 off-clamp and 22 on-clamp RPN procedures were performed on a total of 34 patients in two centers. The main outcome parameters examined were serum creatinine, and estimated glomerular filtration rate (eGFR) during preoperative, immediate postoperative periods, and at postoperative 3(rd) months...
December 2016: Turkish Journal of Urology
https://www.readbyqxmd.com/read/27878338/reporting-standards-for-the-imaging-based-diagnosis-of-renal-masses-on-ct-and-mri-a-national-survey-of-academic-abdominal-radiologists-and-urologists
#3
Matthew S Davenport, Eric M Hu, Andrew D Smith, Hersh Chandarana, Khaled Hafez, Ganesh S Palapattu, J Stuart Wolf, Stuart G Silverman
PURPOSE: To define important elements of a structured radiology report of a CT or MRI performed to evaluate an indeterminate renal mass. METHODS: IRB approval was waived for this multi-site prospective quality improvement study. A 35-question survey investigating elements of a CT or MRI report describing a renal mass was created through an iterative process by the Society of Abdominal Radiology Disease-Focused Panel on renal cell carcinoma. Surveys were distributed to consenting abdominal radiologists and urologists at nine academic institutions...
November 22, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27875105/renal-cell-carcinoma-comparison-of-renal-nephrometry-and-padua-scores-with-maximum-tumor-diameter-for-prediction-of-local-recurrence-after-thermal-ablation
#4
Aaron W P Maxwell, Grayson L Baird, Jason D Iannuccilli, William W Mayo-Smith, Damian E Dupuy
Purpose To evaluate the performance of the radius, exophytic or endophytic, nearness to collecting system or sinus, anterior or posterior, and location relative to polar lines (RENAL) nephrometry and preoperative aspects and dimensions used for anatomic classification (PADUA) scoring systems and other tumor biometrics for prediction of local tumor recurrence in patients with renal cell carcinoma after thermal ablation. Materials and Methods This HIPAA-compliant study was performed with a waiver of informed consent after institutional review board approval was obtained...
November 22, 2016: Radiology
https://www.readbyqxmd.com/read/27872900/robot-assisted-laparoscopic-renal-schwannoma-excision
#5
Jeremy Kelley, Ryan Collins, Christopher Allam
Background: To report the first case of a renal schwannoma excised with robot-assisted laparoscopy. Case Presentation: A 43-year-old Caucasian female patient with vague abdominal symptoms was noted to have incidental right renal mass. Physical examination and laboratory tests were within normal limits. CT revealed a 4.6 cm heterogeneous enhancing right renal mass arising near the hilum. RENAL nephrometry score was 11a. She was treated by right robot-assisted laparoscopic nephrectomy. She recovered well without complications...
2016: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/27862866/utility-of-patient-specific-silicone-renal-models-for-planning-and-rehearsal-of-complex-tumor-resections-prior-to-robotic-assisted-laparoscopic-partial-nephrectomy
#6
Friedrich-Carl von Rundstedt, Jason M Scovell, Smriti Agrawal, Jacques Zaneveld, Richard E Link
OBJECTIVE: Surgical planning for robotic partial nephrectomy (RALPN) depends on preoperative imaging and interpretation of spatial relationships between tumor and renal anatomy. We describe our experience using patient specific tissue-like kidney models created with advanced 3D printing technology for preoperative planning and surgical rehearsal prior to RALPN . PATIENTS AND METHODS: A feasibility study of 10 patients with solid renal masses who underwent RALPN after preoperative rehearsal using 3D print models...
November 10, 2016: BJU International
https://www.readbyqxmd.com/read/27834458/evaluation-of-padua-score-as-predictor-of-warm-ischemia-time-wit-during-laparoscopic-partial-nephrectomy-lpn
#7
Stefano Ricciardulli, Qiang Ding, Xu Zhang, Hongzhao Li, Baojun Wang, Guoqiang Yang, Xiyou Wang, Peng Zhang, Xin Ma, Alberto Breda
OBJECTIVE: To evaluate the efficacy of Preoperative Aspects and Dimension Used for an Anatomical (PADUA) classification in the prediction of Warm Ischemia Time (WIT) during Laparoscopic Partial Nephrectomy (LPN). METHODS: Single centre retrospective study on 402 patients who underwent LPN between January 2011 and October 2013. WIT was correlated with each characteristics of the PADUA classification. Univariate and multivariate analysis were used to evaluated the independent predictive risk factors of WIT >20 minutes...
November 18, 2016: Urologia
https://www.readbyqxmd.com/read/27806631/does-the-level-of-assistant-experience-impact-operative-outcomes-for-robot-assisted-partial-nephrectomy
#8
Emmanuel Mitsinikos, George A Abdelsayed, Zoe Bider, Patrick S Kilday, Peter A Elliott, Pooya Banapour, Gary W Chien
PURPOSE: A skilled assistant surgeon is presumed necessary during robot-assisted partial nephrectomy (RAPN) to minimize warm ischemia time (WIT) and to facilitate complex renorrhaphy. Studies observing impact of resident participation have focused on robotic prostatectomies, showing no impact on core surgical outcomes. Herein, we evaluated the level of experience of the bedside assistant and its impact on perioperative outcomes in RAPN. MATERIALS AND METHODS: All RAPN cases in our healthcare system from January 2011 to December 2013 were retrospectively reviewed...
December 7, 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27805457/laparoscopic-radiofrequency-ablation-combined-with-surgical-excision-for-exophytic-renal-angiomyolipoma-a-novel-technique-based-on-tumor-vasculature-features-of-enhancing-renal-masses-toward-hilar-off-clamping-nephron-sparing-surgery
#9
Wei Xiong, Qing Ran, Yangchun Du, Ji Lv, Fang Chen, Shan Zhong, Pu Guo, Ke Dou, Minghan Sun
OBJECTIVES: Symptomatic angiomyolipoma (AML) and asymptomatic AML larger than 4 cm in size are usually treated with nephron-sparing surgery or transarterial embolization. We used radiofrequency ablation to treat the vascular pedicle of exophytic AML with low R.E.N.A.L. nephrometry score and investigated its feasibility for hilar off-clamping nephron-sparing surgery. METHODS: Contrast-enhanced computed tomography (CT) showed enhanced, well-defined lipomatous tumors with a maximum diameter of 4-8 cm in the kidney of 15 patients...
November 2, 2016: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/27759632/preoperative-evaluation-of-renal-artery-in-patients-with-renal-tumor-using-noncontrast-enhanced-magnetic-resonance-angiography
#10
Liangsong Zhu, Guangyu Wu, Jianfeng Wang, Jiwei Huang, Wen Kong, Yonghui Chen, Wei Xue, Yiran Huang, Jin Zhang
To investigate the feasibility of the noncontrast-enhanced magnetic resonance angiography (NCE-MRA) to evaluate renal arteries before partial nephrectomy (PN).Retrospective analyzed 479 patients who underwent renal surgery between January 2013 and December 2015 with NCE-MRA or computed tomographic angiography (CTA) renal artery image reconstruction preoperative in our department. The renal artery reconstruction score (RARS) was based on the level of artery visualization in a 4-class criterion, and the R.E.N...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27732324/usefulness-of-r-e-n-a-l-nephrometry-scoring-system-and-centrality-index-score-for-predicting-outcome-of-laparoscopic-partial-nephrectomy
#11
Masahiro Sugiura, Takahito Suyama, Manato Kanesaka, Ayumi Fujimoto, Kyokushin Hou, Kazuhiro Araki, Hiroshi Masuda, Satoko Kojima, Yukio Naya
OBJECTIVES: The aim of this study was to investigate the clinical usefulness for prediction of outcome of laparoscopic partial nephrectomy (LPN) using the R.E.N.A.L nephrometry scoring system (RNS) and centrality index score (C-index). MATERIALS AND METHODS: We retrospectively reviewed 64 patients who underwent LPN from 2010 to 2014 in our institution. The RNS and C-index scores were assigned according to the described protocols for their systems. The relationships between the patients' scores before surgery and the outcomes of LPN, warm ischemia time (WIT), operative time (ORT), estimated blood loss (EBL), and percent change in estimated glomerular filtration rate (eGFR) were analyzed retrospectively...
October 2016: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/27711098/bleeding-during-laparoscopic-partial-nephrectomy-can-a-hemostatic-matrix-help-to-improve-hemostasis
#12
Faruk Ozgor, Abdulmuttalip Simsek, Ozgu Aydogdu, Onur Kucuktopcu, Omer Sarilar, Ahmet Yalcin Berberoglu, Mehmet Fatih Ahbulut, Murat Binbay
OBJECTIVES: To evaluate the possible role of an hemostatic matrix on hemostasis, perioperative outcomes and complications in patients who underwent laparoscopic partial nephrectomy (LPN). MATERIALS AND METHODS: Patients charts were analyzed retrospectively and their demographic characteristics, operative parameters and follow-up results were recorded. Patients were divided into two groups, according to those who used an hemostatic matrix as Group 1 (n = 41) and those who did not used as Group 2 (n = 44)...
October 5, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/27681271/multiple-renal-artery-pseudoaneurysms-in-patients-undergoing-renal-artery-embolization-following-partial-nephrectomy-correlation-with-renal-nephrometry-scores
#13
Nakul Gupta, Anish Patel, Joe Ensor, Kamran Ahrar, Judy Ahrar, Alda Tam, Bruno Odisio, Stephen Huang, Ravi Murthy, Armeen Mahvash, Rony Avritscher, Stephen McRae, Sharjeel Sabir, Michael Wallace, Surena Matin, Sanjay Gupta
PURPOSE: To describe the incidence of multiple renal artery pseudoaneurysms (PSA) in patients referred for renal artery embolization following partial nephrectomy and to study its relationship to RENAL nephrometry scores. MATERIALS AND METHODS: The medical records of 25 patients referred for renal artery embolization after partial nephrectomy were retrospectively reviewed for the following parameters: size and number of tumors, RENAL nephrometry scores, angiographic abnormalities, technical and clinical outcomes, and estimated glomerular filtration rates (eGFRs) after embolization...
September 28, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27604690/r-e-n-a-l-nephrometry-score-predicts-non-neoplastic-parenchymal-volume-removed-during-robotic-partial-nephrectomy
#14
Fatima Z Husain, Daniel C Rosen, David J Paulucci, John P Sfakianos, Ronney Abaza, Ketan K Badani
OBJECTIVE: To assess the association between the R.E.N.A.L. Nephrometry score, the amount of non-neoplastic parenchymal volume (NNPV) removed, and the renal function decline in patients undergoing robotic partial nephrectomy (RPN). PATIENTS AND METHODS: The Multi-institutional Mount Sinai Kidney Cancer Database was used to identify 1235 patients who underwent RPN between January 2008 and February 2016, of whom 366 had complete data, including NNPV removed. Mann-Whitney U tests and univariable linear regression models were used to assess the relationships between R...
October 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27594556/defining-renal-masses-comprehensive-comparison-of-renal-padua-nephro-and-c-index-score
#15
Maximilian C Kriegmair, Philipp Mandel, Anett Moses, Julia Lenk, Martin Rothamel, Johannes Budjan, Maurice S Michel, Nina Wagener, Daniel Pfalzgraf
BACKGROUND: Nephrometry scores are designed for standardized reporting of renal tumors and predicting complications. Multiple scores are available, but there is a lack of systematic comparison. PATIENTS AND METHODS: A total of 305 consecutive patients admitted for open partial nephrectomy to 2 urological hospitals were prospectively assessed. Five cases with conversion to radical nephrectomy were excluded from further analysis. RENAL, PADUA, C-index, and NePhRO scores were obtained from preoperative sectional imaging...
August 8, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/27583025/ultrasound-guided-radiofrequency-ablation-for-ct1a-renal-masses-in-poor-surgical-candidates-mid-term-single-center-outcomes
#16
Ioannis Zachos, Konstantinos Dimitropoulos, Anastasios Karatzas, Michael Samarinas, Argiro Petsiti, Vassilios Tassoudis, Vassilios Tzortzis
OBJECTIVES: Surgical management of small renal masses can be challenging in frail patients and thus modalities such as radiofrequency ablation (RFA) have emerged as valid alternative options. The aim of the current study was to present mid-term oncological and functional results on a series of patients with cT1a renal cell carcinomas (RCCs) who were unfit for surgery and underwent RFA using ultrasound guidance under local anesthesia. METHODS: Data from patients fulfilling the study selection criteria were retrospectively collected...
September 2016: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/27569452/main-renal-artery-clamping-with-or-without-renal-vein-clamping-during-robotic-partial-nephrectomy-for-clinical-t1-renal-masses-perioperative-and-long-term-functional-outcomes
#17
Kyle A Blum, David J Paulucci, Ronney Abaza, Daniel D Eun, Akshay Bhandari, Joan C Delto, Louis S Krane, Ashok K Hemal, Ketan K Badani
OBJECTIVE: To compare renal function outcome between a contemporary cohort of propensity score-matched patients undergoing main renal artery clamping (MAC) alone and those undergoing main renal artery clamping with renal vein clamping (MVAC) during robotic partial nephrectomy. MATERIALS AND METHODS: Patients with a solitary T1 renal mass undergoing robotic partial nephrectomy were propensity score-matched on American Society of Anesthesiologists score, RENAL Nephrometry score, tumor size, tumor laterality, and operating surgeon to provide 66 patients undergoing MAC and 66 patients undergoing MVAC for analysis...
August 26, 2016: Urology
https://www.readbyqxmd.com/read/27530774/intraoperative-computed-tomography-imaging-for-navigated-laparoscopic-renal-surgery-first-clinical-experience
#18
Tobias Simpfendörfer, Claudia Gasch, Gencay Hatiboglu, Michael Müller, Lena Maier-Hein, Markus Hohenfellner, Dogu Teber
INTRODUCTION: Laparoscopic partial nephrectomy (LPN) remains challenging in endophytic and complex kidney tumors as the clear understanding of tumor location and spreading depends on a precise analysis of available imaging. The purpose of this study was to investigate navigated kidney surgery using intraoperative cone-beam computed tomography (CBCT) images in conjunction with a previously proposed method for augmented reality (AR) guidance for safe LPN. MATERIALS AND METHODS: The concept proposed is based on using an intraoperative CBCT scan for (1) marker-based AR guidance for fast and reliable tumor access and (2) enhancement of real-time fluoroscopy images for accurate tumor resection...
October 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27528265/padua-and-r-e-n-a-l-nephrometry-scores-correlate-with-perioperative-outcomes-of-robot-assisted-partial-nephrectomy-analysis-of-the-vattikuti-global-quality-initiative-in-robotic-urologic-surgery-gqi-rus-database
#19
Riccardo Schiavina, Giacomo Novara, Marco Borghesi, Vincenzo Ficarra, Rajesh Ahlawat, Daniel A Moon, Francesco Porpiglia, Benjamin J Challacombe, Prokar Dasgupta, Eugenio Brunocilla, Gaetano La Manna, Alessandro Volpe, Hema Verma, Giuseppe Martorana, Alexandre Mottrie
OBJECTIVES: To evaluate and compare the correlations between Preoperative Aspects and Dimensions Used for an Anatomical (PADUA) and R.E.N.A.L. [Radius (tumour size as maximal diameter), Exophytic/endophytic properties of the tumour, Nearness of tumour deepest portion to the collecting system or sinus, Anterior (a)/posterior (p) descriptor and the Location relative to the polar line] nephrometry scores and perioperative outcomes and postoperative complications in a multicentre, international series of patients undergoing robot-assisted partial nephrectomy (RAPN) for masses suspicious for renal cell carcinoma (RCC)...
August 16, 2016: BJU International
https://www.readbyqxmd.com/read/27495337/robotic-partial-nephrectomy-performed-with-airseal-versus-a-standard-co2-pressure-pneumoperitoneum-insufflator-a-prospective-comparative-study
#20
Filippo Annino, Luca Topazio, Domenico Autieri, Tiziano Verdacchi, Michele De Angelis, Anastasios D Asimakopoulos
BACKGROUND: Airseal represents a new generation of valveless and barrier-free surgical trocars that enable a stable pneumoperitoneum with continuous smoke evacuation and carbon dioxide (CO2) recirculation during surgery. The aim of the current study was to evaluate the potential advantages of the Airseal compared to a standard CO2 insufflator in the field of robotic partial nephrectomy (RPN). METHODS: Between October 2012 and April 2015, two cohorts of 122 consecutive patients with clinically localized renal cell carcinoma underwent RPN by a single surgeon, with the use of a standard CO2 pressure insufflator (Group A, 55 patients) or Airseal (Group B, 67 patients) and were prospectively compared...
August 5, 2016: Surgical Endoscopy
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