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Percutaneous nephrolithotomy

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https://www.readbyqxmd.com/read/27900939/incidence-and-implications-of-silent-hydronephrosis-following-percutaneous-nephrolithotomy%C3%A2
#1
Lawrence Dagrosa, Rachel Moses, Vernon Pais
OBJECTIVE: While routine renal imaging following ureteroscopy for urinary calculi has been recommended to screen for asymptomatic "silent" obstruction, the rate of silent obstruction following percutaneous nephrolithotomy (PCNL) remains poorly defined, and no consensus recommendations exist on routine postoperative imaging. At our institution, we sought to assess the incidence of silent hydronephrosis (SH), as a screen for obstruction, following PCNL. METHODS: The records of all 162 patients who met study inclusion criteria were reviewed...
November 30, 2016: Clinical Nephrology
https://www.readbyqxmd.com/read/27900217/can-endourology-fellowship-training-enhance-minimally-invasive-surgery-in-urology-practice
#2
Ahmed M Al-Kandari, Yehya Elshebiny, Hamdy Ibrahim, Ahmad AlShammari, Ahmed A Shokeir
OBJECTIVE: To evaluate the influence of fellowship training in endourology on different endourological procedures in a single institution. SUBJECTS AND METHODS: The operative records of endourological and open surgeries were reviewed. Data analysed included numbers, types, and technical issues related to surgeries. The early study period ranged from September 1998 to September 2004, and the later period from January 2014 to June 2016. The study duration was classified into three periods according to the availability of an endourology fellowship trained member of staff (EFTS)...
December 2016: Arab Journal of Urology
https://www.readbyqxmd.com/read/27878331/fluoroscopy-versus-ultrasound-for-image-guidance-during-percutaneous-nephrolithotomy-a-systematic-review-and-meta-analysis
#3
REVIEW
Qiang Liu, Liang Zhou, Xiang Cai, Tao Jin, Kunjie Wang
This meta-analysis aims to compare the safety and efficacy of fluoroscopy versus ultrasound guidance during the access to the renal collecting system. A systematic literature review was performed in September 2016. Outcomes were explored using review manager v5.0. 18 studies with 2919 patients were included in the final analysis. There was no significant difference in stone-free rate (RR: 1.0; 95% CI, 0.98 to 1.05; p = 0.41), operation time (MD: 1.75; 95% CI, -9.15 to 12.65; p = 0.75), hospital stay (MD: -1...
November 22, 2016: Urolithiasis
https://www.readbyqxmd.com/read/27878116/minijfil%C3%A2-a-new-safe-and-effective-stent-for-well-tolerated-repeated-extracorporeal-shockwave-lithotripsy-or-ureteroscopy-for-medium-to-large-kidney-stones
#4
Benoit Vogt, Francois-Noel Desfemmes, Arnaud Desgrippes, Yves Ponsot
BACKGROUND: Percutaneous nephrolithotomy (PCNL) is recommended for treating staghorn stones or stones measuring > 20 mm. Extracorporeal shockwave lithotripsy (ESWL) or flexible ureteroscopy (URS) may be used as a complement. However, PCNL can cause trauma to the kidney parenchyma, and patients may find a noninvasive procedure, such as ESWL, to be more attractive. OBJECTIVES: The aim of this study was to evaluate the clinical efficiency of MiniJFil® stenting associated with ESWL or second-line URS for the treatment of medium-to-large kidney stones...
September 2016: Nephro-urology Monthly
https://www.readbyqxmd.com/read/27869481/papillary-versus-non-papillary-puncture-in-percutaneous-nephrolithotomy-a-prospective-randomized-trial
#5
Panagiotis Kallidonis, Iason Kyriazis, Dimitrios Kotsiris, Adamantia Koutava, Wissam Kamal, Evangelos N Liatsikos
INTRODUCTION: Literature suggests that the percutaneous punctures for PCNL must be performed at the papilla of the renal calyx and a puncture at the infundibulum or the direction of the pelvis is not advisable due to increased hemorrhagic risk. A prospective randomized study was conducted to investigate the safety in terms of blood loss of the infundibular approach for PCNL. MATERIALS AND METHODS: Patients with renal stones with a accumulative size of at least 2cm were randomly assigned to one of two parallel groups to undergo PCNL with either papillary (Group 1) or infundibular (Group 2) renal access...
November 21, 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27868100/nephropleural-fistula-effectively-managed-with-serial-thoracentesis-a-case-report
#6
Aaron D Baugh, Eslam Youssef, Syed Shafae Hasan, Nauman Saleem Siddiqui, Haitham Elsamoloty, Khaled Shahrour, Toseef Javaid
Nephropleural fistulae are rare but serious thoracic complications of percutaneous nephrolithotomy (PCNL). Herein, we present the management of a 54-year-old female with a delayed presentation of nephropleural fistula. The role of serial thoracentesis as a safe, less invasive, less painful alternative to tube thoracostomy is highlighted. In select cases, this may represent an attractive management strategy for nephropleural fistula after PCNL.
2016: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/27868097/percutaneous-nephrolithotomy-in-rare-bleeding-disorders-a-case-report-and-review-of-the-literature
#7
Ali Ersin Zumrutbas, Cihan Toktas, Aykut Baser, Omer Levent Tuncay
Surgery in patients with congenital or acquired coagulation defects has always been challenging and requires special care with a multidisciplinary approach. Percutaneous nephrolithotomy (PCNL) is a standard procedure performed in patients with kidney stones. Although prone to bleeding more than most of the widely performed surgical procedures, there are not much data regarding PCNL in patients with bleeding disorders or coagulation defects. There are only case reports or series with a small number of patients for the patients with common coagulation defects, including hemophilias...
2016: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/27868095/unsuspected-malignancy-during-percutaneous-nephrolithotomy-the-snake-in-the-grass
#8
Charlotte Q Wu, Justin T Matulay, Mantu Gupta, Piruz Motamedinia
Squamous cell carcinoma of the upper tract (SCC-UT) is a rare neoplasm that disproportionately affects patients with longstanding nephrolithiasis. Diagnosis is challenging and typically comes at late stages; as such, the prognosis is poor. The absence of a reliable diagnostic predictor for SCC highlights the need to keep the diagnosis in mind for at-risk patient populations. In this study, we describe a small case series of rapidly progressive SCC-UT incidentally discovered during percutaneous nephrolithotomy...
2016: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/27868094/heart-of-darkness
#9
Peter Alken
Significant literature has an impact on the reader. Reading the novella Heart of Darkness by Joseph Conrad as a young boy rose emotions comparable to those I felt when losing a patient after percutaneous nephrolithotomy (PCNL) as a grown up. The case of a 37-year-old woman with bilateral staghorn and a fatal outcome after PCNL is presented and alternatives are discussed.
2016: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/27867851/percutaneous-endoscopic-treatment-for-urinary-stones-in-pediatric-patients-where-we-are-now
#10
Paolo Caione, Giuseppe Collura, Michele Innocenzi, Mauro De Dominicis, Simona Gerocarni Nappo, Nicola Capozza
BACKGROUND: Percutaneous nephrolithotomy (PCNL) has been adopted for pyelo-calyceal stones treatment in pediatric patients, starting from the 90's. Very recently, miniaturization of endoscopic instruments allowed less invasive procedures with low complication rate. We reviewed our experience on upper tract stone treatment utilizing two different percutaneous accesses, focusing on the recent new miniaturized devices offered for pediatric renal stones. METHODS: Patients presenting upper tract urinary stones observed from January 2011 to December 2015 and treated by percutaneous renal access were prospectively evaluated: age, sex, metabolic issues, associated abnormalities, treatment modalities, hospital stay and complication rate were recorded in a specific database...
October 2016: Translational pediatrics
https://www.readbyqxmd.com/read/27864591/comparison-of-s-t-o-n-e-and-croes-nephrolithometry-scoring-systems-for-predicting-stone-free-status-and-complication-rates-after-percutaneous-nephrolithotomy-a-single-center-study-with-262-cases
#11
Serkan Yarimoglu, Salih Polat, Ibrahim Halil Bozkurt, Tarık Yonguc, Ozgu Aydogdu, Erhan Aydın, Tansu Degirmenci
The aim of this study was to compare the accuracy of the CROES nephrolithometric nomogram and S.T.O.N.E. scoring system in predicting PCNL outcomes in terms of stone-free rate, estimated blood loss (EBL), operative time (OR), length of hospital stay (LOS), and complications. Patients who underwent PCNL for renal stones between May 2012 and January 2015 were analyzed retrospectively. The patients' demographic characteristics and operational features were recorded prospectively in all patients postoperatively...
November 18, 2016: Urolithiasis
https://www.readbyqxmd.com/read/27863458/bench-top-and-initial-clinical-evaluation-of-the-shockpulse-stone-eliminator%C3%A2-in-percutaneous-nephrolithotomy
#12
Andre Alessandro Matteliano, Thomas de Los Reyes, Ryan F Paterson, Dirk Lange, Michael Eric Lipkin, Ben Hall Chew
PURPOSE: Standardized bench testing of the new ShockPulseTM intracorporeal lithotripter was performed against three commercially available lithotripsy systems to determine differences and nuances in performance. MATERIALS & METHODS: The ShockPulse intracorporeal lithotripter was tested against the LUS-2TM, CyberWandTM and EMS LithoClastTM in a standardized bench setting using hard (Ultracal-30) and soft (Plaster of Paris) stone phantoms. An in vitro kidney model was used to record the time needed to fragment stone samples into retrievable sized pieces...
November 18, 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27862806/a-prospective-and-randomised-trial-comparing-fluoroscopic-total-ultrasonographic-and-combined-guidance-for-renal-access-in-mini-percutaneous-nephrolithotomy
#13
Wei Zhu, Jiasheng Li, Jian Yuan, Yongda Liu, Shaw P Wan, Guanzhao Liu, Wenzhong Chen, Wenqi Wu, Jintai Luo, Dongliang Zhong, Defeng Qi, Ming Lei, Wen Zhong, Ze Zhang, Zhaohui He, Zhijian Zhao, Suilin Lu, Yuji Wu, Guohua Zeng
OBJECTIVE: To compare the safety and efficacy of fluoroscopic guidance (FG), total ultrasonographic guidance (USG), and combined ultrasonographic and fluoroscopic guidance (CG) for percutaneous renal access in mini-percutaneous nephrolithotomy (mini-PCNL). PATIENTS AND METHODS: The present study was conducted between July 2014 and May 2015 as a prospective randomised trial at the First Affiliated Hospital of Guangzhou Medical University. In all, 450 consecutive patients with renal stones of >2 cm were randomised to undergo FG, USG, or CG mini-PCNL (150 patients for each group)...
November 8, 2016: BJU International
https://www.readbyqxmd.com/read/27862356/antegrade-ultrasound-contrast-injection-facilitates-accurate-nephrostomy-tube-positioning-during-percutaneous-nephrolithotomy
#14
Manint Usawachintachit, David T Tzou, John Mongan, Stefanie Weinstein, Thomas Chi
No abstract text is available yet for this article.
November 16, 2016: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/27856356/percutaneous-nephrolithotomy-pcnl-a-critical-review
#15
REVIEW
Arvind P Ganpule, Mohankumar Vijayakumar, Ankur Malpani, Mahesh R Desai
INTRODUCTION: Percutaneous nephrolithotomy (PCNL) is the preferred treatment of choice for renal calculi. PCNL has evolved remarkably since the eighties when it was first described. APPROACH: Approach might be by either supine or prone and the access is made with the help of either fluoroscopy or ultrasound. Recently endoscopy and ipad guided puncture have also been described. MINIATURIZATION: The traditional PCNl were sung tracts upto 40 fr initially and the most common used was around 30 fr till recently...
November 14, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27856353/urolithiasis-in-renal-transplant-donors-and-recipients-an-update
#16
REVIEW
Ahmed M Harraz, Ahmed I Kamal, Ahmed A Shokeir
Urolithiasis in the context of renal transplant is a quite rare event that requires keeping a higher index of suspicion and vigilance. Donors with incidentally discovered asymptomatic renal stones "donor gifted lithiasis" are potentially considered for donation should they are not recurrent stone formers and in the absence of active biochemical disorders. Stone clearance from the donors can be done before donation using shock wave lithotripsy and/or flexible ureteroscopy. Ex vivo ureteroscopy at time of transplant is equally feasible and safe...
November 14, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27856206/percutaneous-nephrolithotomy-pcnl-for-stones-in-solitary-kidney-evidence-from-a-systematic-review
#17
REVIEW
Patrick Jones, Omar M Aboumarzouk, Bhavan Prasad Rai, Bhaskar K Somani
Stones in solitary kidney represent a management dilemma for the endourologist. The advantage of bilateral fully functioning kidneys is not present. Therefore, any insult to either the solitary kidney itself or drainage system can lead to significant morbidity. Key clinical objectives include maximum preservation of existing renal function, high stone clearance and minimising post procedure complications. To date there exists no Level 1 evidence on this subject. This systematic review serves to evaluate the safety and efficacy of percutaneous nephrolithomy (PCNL) for patients (adults only) with stones in a solitary kidney...
November 14, 2016: Urology
https://www.readbyqxmd.com/read/27855586/urolithiasis-in-renal-allografts-complications-and-outcomes
#18
Frank Friedersdorff, Nasrin El-Bandar, Jonas Busch, Barbara Erber, Kurt Miller, Tom Florian Fuller, Kurt Miller
OBJECTIVES: Urinary calculi rarely occur in renal transplant. However, because of peculiarities shown with renal allografts, a prudent approach is necessary to prevent further complications or even graft failure. There are no well-established guidelines for uro?ithiasis in renal grafts regarding adequate therapy selection. In the present article, different therapeutic interventions are discussed, including in 1 case a pyelovesicostomy as an uncommon intervention. MATERIALS AND METHODS: We retrospectively reviewed data of 1115 patients who underwent renal transplant between January 2002 and December 2014 for urolithiasis in different databases...
November 18, 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27848063/concordance-of-renal-stone-culture-pmuc-rpuc-rsc-and-post-pcnl-sepsis-a-non-randomized-prospective-observation-cohort-study
#19
Annerleim Walton-Diaz, José Ignacio Vinay, Jaime Barahona, Pieter Daels, Mariano González, Juan Pablo Hidalgo, Cristian Palma, Pablo Díaz, Alfredo Domenech, Rodrigo Valenzuela, Fernando Marchant
INTRODUCTION: Between 5 and 10% of patients undergoing percutaneous nephrolithotomy (PCNL) develop postoperative sepsis 1, 2. Strategies to prevent infectious complications are based on information provided by preoperative midstream urine cultures (PMUC). The aim of this study is to evaluate the concordance of the microbiologic findings of PMUC, cultures of the renal stone (RSC) and urine obtained directly from the renal pelvis (RPUC) in patients undergoing PCNL. MATERIALS AND METHODS: This is a multicenter prospective study...
November 15, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/27847915/is-extended-preoperative-antibiotic-prophylaxis-for-high-risk-patients-necessary-before-percutaneous-nephrolithotomy
#20
Aaron M Potretzke, Alyssa M Park, Tyler M Bauman, Jeffrey A Larson, Joel M Vetter, Brian M Benway, Alana C Desai
PURPOSE: The goal of this study was to compare the rate of systemic inflammatory response syndrome (SIRS) in high-risk patients undergoing percutaneous nephrolithotomy (PCNL) between patients who received 7, 2, or 0 days of preoperative antibiotics. MATERIALS AND METHODS: We retrospectively reviewed a series of consecutive PCNLs performed at our institution. Patients with infected preoperative urine cultures were excluded. High-risk patients were defined as those with a history of previous urinary tract infection (UTI), hydronephrosis, or stone size ≥2 cm...
November 2016: Investigative and Clinical Urology
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