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Journal of Endourology

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https://www.readbyqxmd.com/read/28075157/visual-occlusion-during-minimally-invasive-surgery-a-contemporary-review-of-methods-to-reduce-laparoscopic-and-robotic-lens-fogging-and-other-sources-of-optical-loss
#1
Todd G Manning, Marlon Perera, Daniel Christidis, Ned Kinnear, Shannon McGrath, Richard O'Beirne, Paul Zotov, Damien Bolton, Nathan Lawrentschuk
BACKGROUND: Maintenance of optimal vision during minimally invasive surgery is crucial to maintaining operative awareness, efficiency, and safety. Hampered vision is commonly caused by laparoscopic lens fogging (LLF), which has prompted the development of various antifogging fluids and warming devices. However, limited comparative evidence exists in contemporary literature. Despite technologic advancements there remains no consensus as to superior methods to prevent LLF or restore visual acuity once LLF has occurred...
February 8, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28061550/the-watertightness-of-the-anastomosis-after-laparoscopic-or-robot-assisted-pyeloplasty-is-a-drainage-necessary
#2
Annika Rühle, Emilio Arbelaez, Agostino Mattei, Hansjoerg Danuser
OBJECTIVE: To determine whether or not temporary drainage is necessary immediately following laparoscopic (lap) and robot-assisted (rob) pyeloplasty (PP). PATIENTS AND METHODS: Of 99 patients undergoing lap PP (n = 23) or rob PP (n = 76) for treatment of ureteropelvic junction obstruction (UPJO), 52 had no drainage, 47 were given an "easy-flow" drain (EFD). The volume of leaking urine (in mL) was defined as the volume of drainage fluid (in mL) × creatinine concentration in drainage fluid (in μmol/mL)/median urine creatinine concentration (in μmol/mL)...
February 6, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28056561/survey-of-abdominal-access-and-associated-morbidity-for-robot-assisted-radical-prostatectomy-does-palmer-s-point-warrant-further-awareness-and-study
#3
William K Johnston, Susan Linsell, David Miller, Khurshid R Ghani
INTRODUCTION: Laparoscopic access for robot-assisted radical prostatectomy (RARP) is often initiated in the periumbilical location. Palmer's point, located in the left upper quadrant, has been reported as an alternative access site for pelvic laparoscopy to reduce morbidity, but not widely reported among urologists. To better understand surgeons' preferences for access and its associated morbidity during RARP, we surveyed surgeons from two urologic organizations. METHODS: An anonymous online questionnaire (SurveyMonkey) consisting of 17 questions that assessed training, experience, and preferences for RARP was emailed in December 2014 and collected until February 2015 to members performing RARP of the Endourology Society (ES) and the Michigan Urological Society Improvement Collaborative (MUSIC)...
February 6, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28052697/are-you-familiar-with-the-flow-of-the-roboflex-avicenna-pump-allow-me-to-explain
#4
Salvatore Butticè, Silvia Proietti, Laurian Dragos, Olivier Traxer
No abstract text is available yet for this article.
February 6, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28156134/absorption-of-irrigation-fluid-during-thulium-laser-vaporization-of-the-prostate
#5
Gautier Simon Müllhaupt, Dominik Abt, Livio Mordasini, Olivia Köhle, Daniel Engeler, Andreas Lüthi, Rafael Sauter, Hans-Peter Schmid, Christoph Schwab
To assess prevalence and extent of irrigation fluid absorption during thulium laser vaporization of the prostate. Material and Methods Fifty-four patients undergoing thulium laser vaporization of the prostate were prospectively included into the trial at a tertiary referral center. Isotonic saline containing 1% ethanol was used for intraoperative irrigation. Absorption of irrigation fluid was measured periodically during the operation using the expired breath ethanol technique. Amongst others, intra- and postoperative changes in biochemical and hematological laboratory findings were assessed...
February 3, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28081622/comparison-of-effect-of-minimally-invasive-percutaneous-nephrolithotomy-on-split-renal-function-single-tract-vs-multiple-tracts
#6
Yizhou Zhou, Alberto Gurioli, Jiawei Luo, Zhilin Li, Jianguo Zhu, Jiasheng Li, Yongda Liu
OBJECTIVES: To observe serum creatinine (SCr) and treated side glomerular filtration rate (TGFR) variations in patients with upper urinary tract calculi after minimally invasive percutaneous nephrolithotomy (MPCNL). PATIENTS AND METHODS: A total of 178 patients underwent MPCNL in our institute and they were retrospectively evaluated between May 2014 and February 2016. SCr and TGFR variations were observed with renal scintigraphy using 99mTc-diethylene triamine pentaacetic acid ((99m)Tc-DTPA) preoperatively and after at least 6 months of follow-up (FU)...
February 3, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28068796/partial-nephrectomy-for-presumed-renal-cell-carcinoma-incidence-predictors-and-perioperative-outcomes-of-benign-lesions
#7
Tyler M Bauman, Aaron M Potretzke, Alec J Wright, Brent A Knight, Joel M Vetter, Robert Sherburne Figenshau
BACKGROUND: The aim of this study was to investigate the incidence of benign histology after partial nephrectomy (PN) in patients with presumed malignancy from preoperative imaging. Furthermore, preoperative predictors of benign lesions and perioperative outcomes were also assessed. METHODS: A series of patients undergoing PN for renal masses was identified using a prospectively maintained database. Patients were excluded for known genetic conditions, if more than one renal mass was resected, or if standard preoperative imaging was not suspicious for renal-cell carcinoma (RCC)...
February 3, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28049343/defining-the-rate-of-negative-ureteroscopy-in-the-general-population-treated-for-upper-tract-urinary-stone-disease
#8
Remy W Lamberts, Simon L Conti, John T Leppert, Christopher S Elliott
INTRODUCTION: Ureteroscopy is increasingly used to treat upper tract urinary stone disease. A negative ureteroscopy is a ureteroscopy performed with the intent of removing a kidney or ureteral stone, but in which ultimately no stone is removed. Negative ureteroscopy may occur when the stone is found to have already passed, or the presumed stone is found to be outside of the collecting system. We sought to determine the rate of negative ureteroscopy in a large population-based sample as well as factors associated with its use...
February 3, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28145751/diagnostic-accuracy-of-hexaminolevulinate-in-a-cohort-of-patients-undergoing-radical-cystectomy
#9
Vincenzo Pagliarulo, Alba Stefano, Maria Filomena Gallone, Savino Di Stasi, Luigi Cormio, Tommasangelo Petitti, Maurizio Buscarini, Paolo Minafra, Giuseppe Carrieri
Purpose To compare the accuracy of white light cystoscopy (WLC) and blue light cystoscopy (BLC) in a cohort of patients undergoing radical cystectomy (RC) for previously resected urothelial bladder cancer (UCB). Patients and methods A cohort of patients undergoing RC received WLC and BLC prior radical surgery. To evaluate the residual tumor rate, the bladder was inspected after its removal and normal appearing mucosa sampled for histologic analysis. Lesions detected under WLC, BLC, or both, as well as biopsy samples from normal appearing mucosa, were all recorded separately...
February 1, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28121179/a-novel-predictor-of-survival-with-renal-cell-carcinoma-after-nephrectomy
#10
Ding Peng, Zhisong He, Xuesong Li, Qi Tang, Lei Zhang, Kaiwei Yang, Xiaoteng Yu, Cuijian Zhang, Liqun Zhou
PURPOSE: To validate plasma fibrinogen and serum cholesterol levels as prognostic factors for patients with renal cell carcinoma (RCC) and explore the prognostic value of their combination. PATIENTS AND METHODS: Medical data for 1360 RCC patients after nephrectomy were collected. X-tile software was used to determine the cut off values. The association between clinicopathological factors and fibrinogen and cholesterol levels was determined and factors predicting survival was examined by multivariate analysis...
January 25, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28049342/is-it-safe-to-use-the-same-scissors-after-accidental-tumor-incision-during-partial-nephrectomy-results-of-in-vitro-and-in-vivo-experiments
#11
Hirofumi Yoshino, Kazutaka Miyamoto, Eu-Chang Hwang, Takashi Yamane, Masayuki Nakagawa, Hideki Enokida
PURPOSE: When accidental tumor incision (ATI) has occurred during open partial nephrectomy (PN), scissors can be changed easily. In contrast, during laparoscopic partial nephrectomy (LPN) or robotic partial nephrectomy (RPN), it is time consuming and expensive especially during RPN to change scissors. This study investigates whether tumor cells remain on the surface of scissors after ATI during PN and investigates an alternative way to avoid changing scissors during LPN and RPN. MATERIALS AND METHODS: We subcutaneously injected 786-O renal-cell carcinoma (RCC) cells containing enhanced green fluorescent protein (786-O/EGFP) into six mice...
January 25, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28117608/robotic-partial-nephrectomy-expanding-utilization-advancing-innovation
#12
Christopher J D Wallis, Alaina Garbens, Sameer Chopra, Raj Satkunasivam, Inderbir Singh Gill
Robotic partial nephrectomy (RPN) is gaining increasing prominence for nephron sparing surgery in the treatment of patients with localized kidney tumors. RPN offers the benefits of minimally invasive surgery with a shorter learning curve compared to its laparoscopic counterpart. While long-term data are awaited, RPN does provide short-term oncological and functional outcomes comparable to open and laparoscopic PN. Further, robotic surgery has facilitated technical innovation including the elimination of warm ischemia, provided minimally invasive alternatives to patients with complex tumors and importantly, has fuelled increased dissemination of PN surgery amongst community urologists...
January 24, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28117602/minimally-invasive-therapy-for-upper-tract-urothelial-cell-cancer
#13
Shu Pan, Arthur Smith, Piruz Motamedinia
Minimally invasive therapy for upper tract transitional urothelial cell cancer (UTUC ) has assumed an important role in the management of this relatively uncommon genitourinary malignancy. In this review, current standards for patient selection, surgical approach, as well as overall outcomes will be discussed. Moreover, the use of intraluminal agents in upper tract disease is examined along with its efficacy and associated complications.
January 24, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/27998175/ureteral-access-sheath-influence-on-the-ureteral-wall-evaluated-by-cyclooxygenase-2-and-tumor-necrosis-factor-%C3%AE-in-a-porcine-model
#14
Søren Kissow Lildal, Rikke Nørregaard, Kim Hovgaard Andreassen, Frederikke Eichner Christiansen, Helene Jung, Malene Roland Pedersen, Palle Jörn Sloth Osther
OBJECTIVE: To examine the effect of ureteral access sheath (UAS) on the expression of the pro-inflammatory mediators cyclooxygenase-2 (COX-2) and tumor necrosis factor-α (TNF-α) in the ureteral wall. MATERIAL AND METHODS: In 22 pigs an UAS was inserted and removed after 2 minutes on one side and 2 hours on the contralateral side. Postoperatively ureters were excised in vivo, and tissue samples from the distal (2 minutes/2 hours) and proximal ureter (2 minutes/2 hours) were snap-frozen before quantitative polymerase chain reaction analysis of COX-2 and TNF-α...
January 24, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28114787/multi-point-thermal-sensors-associated-with-improved-oncological-outcomes-following-cryoablation
#15
Jeremy W Martin, Roshan Patel, Zhamshid Okhunov, Aashay Vyas, Duane Vajgrt, Ralph Clayman
INTRODUCTION: Cryoablation (CA) is a minimally invasive modality for the management of small renal cortical neoplasms (RCN). Successful ablation is dependent on achieving target temperatures during CA that result in tumor cell death. We investigated long-term oncological outcomes following CA using Multi-Point Thermal Sensors (MTS), which allow precise temperature determination at four points along the needle. METHODS: We performed a retrospective review of 20 patients with < 4 cm RCN who underwent de novo CA from 2005 to 2009...
January 23, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28114786/a-non-narcotic-pathway-for-the-management-of-postoperative-pain-following-pediatric-robotic-pyeloplasty
#16
Ziho Lee, Marion Schulte, William Robert DeFoor, Pramod Puli Reddy, Brian VanderBrink, Eugene Minevich, Zachary Liss, Katherine Corbyons, Paul Hyungwook Noh
PURPOSE: The purpose of this study is two-fold: first to describe the non-narcotic pathway for the management of postoperative pain after robotic pyeloplasty; second, to compare perioperative outcomes for children undergoing robotic pyeloplasty whose postoperative pain was managed with and without the non-narcotic pathway. PATIENTS AND METHODS: A retrospective reviewed was performed on 96 consecutive patients from October 2011 to December 2015 who underwent robotic pyeloplasty by three primary surgeons at a single pediatric institution...
January 23, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28114785/pelvic-phlebolith-a-trivial-pursuit-for-the-urologist
#17
Angus Chin On Luk, Paul Cleaveland, Louise Olson, Donald Neilson, Shalom Srirangam
OBJECTIVE: Pelvic phleboliths are commonly encountered on plain and CT imaging and remain a source of frustration when attempting to differentiate them from ureteral calculi. Given their frequency, surprising little is known about their significance. We review the literature on pelvic phleboliths, specifically in relation to their history, demography, clinical significance, and methods to distinguish them from ureteral calculi. METHODS: A comprehensive literature search was performed for all articles concerning pelvic phleboliths...
January 23, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28112560/evaluating-stone-free-status-following-percutaneous-stone-procedures-in-patients-with-spina-bifida-do-anatomical-factors-play-a-role
#18
Rajeev Chaudhry, Katherine Theisen, Heidi Stephany, Francis Schneck, Glenn Cannon, Michael C Ost
PURPOSE: Percutaneous stone surgery can be challenging in spina bifida (SB) patients due to their body habitus and spinal cord anomalies. A safe surgical approach may necessitate acceptance of lower stone-free rates. We seek to determine if anatomic complexity, as measured by spinal cord curvature and torso length, is associated with stone-free rates after percutaneous stone surgery in SB patients. We hypothesize that increasing anatomic complexity is associated with lower stone-free rates following percutaneous stone surgery...
January 23, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28006957/the-role-of-robot-assisted-radical-prostatectomy-in-high-risk-prostate-cancer
#19
Victor Srougi, Rafael R Tourinho-Barbosa, Igor Nunes-Silva, Mohammed Baghdadi, Silvia Garcia-Barreras, Gregory Rembeyo, Sophie S Eiffel, Eric Barret, Francois Rozet, Marc Galiano, Rafael Sanchez-Salas, Xavier Cathelineau
Prostate cancer (PCa) is stratified into different risk categories based on the patient's prognosis. High-risk disease was formerly characterized by an increased risk of metastasis and lethality, requiring complex treatments. Surgery was recently highlighted to have a pivotal role for the treatment of such cases, even as monotherapy. In the past, open radical prostatectomy was performed for most patients with high-risk PCa; however, robot-assisted radical prostatectomy (RARP) emerged as a reasonable option because it provided optimal outcomes for low- and intermediate-risk PCa...
January 19, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28006956/findings-and-impact-of-early-imaging-after-partial-nephrectomy
#20
Ryan W Tubre, William P Parker, Travis Dum, Tim Walmann, Zachary Hamilton, Moben Mirza, David A Duchene
INTRODUCTION: American Urological Association guidelines for surveillance of renal-cell carcinoma after partial nephrectomy recommend imaging within 3-12 months of surgery. Imaging following partial nephrectomy may be difficult to interpret due to the surgical defect, the use of surgical material, and normal postoperative fluid collections. Our primary objective was to evaluate the frequency of indeterminate postoperative imaging results and how those radiographic findings altered patient management...
January 19, 2017: Journal of Endourology
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