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Percutaneous nephrolithotomy

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https://www.readbyqxmd.com/read/28733201/prone-percutaneous-nephrolithotomy-does-bolster-orientation-matter
#1
Daniel Sagalovich, Cecilia Besa, Timothy Tran, Haresh Thummar, Blake Le Grand, Bachir Taouli, Mantu Gupta
OBJECTIVES: To assess whether horizontal versus vertical bolster orientation affects kidney position during prone percutaneous nephrolithotomy as this could impact the need for supracostal access and therefore the likelihood of pleural injury. METHODS: In a prospective trial, ten subjects with 20 renal units underwent magnetic resonance imaging in prone position with standard cylindrical bolsters oriented vertically and then horizontally. Vertical bolsters were placed along the lateral aspect of the chest...
July 18, 2017: Urology
https://www.readbyqxmd.com/read/28728438/supine-pcnl-in-the-galdako-modified-valdivia-position-a-high-volume-single-centre-experience
#2
David Curry, Rohit Srinivasan, Raj Kucheria, Anuj Goyal, Darrell Allen, Antony Goode, Dominic Yu, Leye Ajayi
Objective To describe the technique and outcomes of supine percutaneous nephrolithotomy (PCNL) in the Galdako- modified Valdivia position. Materials and Methods Prospective data was collected on 303 patients undergoing PCNL in the Galdako-modified Valdivia position at our institution between 2007 and 2015. We report our technique with outcomes of operative times, stone free rate, and complications. Results 202 solitary stones with a mean size of 17.19±5.82mm, 42 stones in multiple calyces and 57 staghorns were treated...
July 20, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28720372/comparing-the-efficacy-and-safety-of-ultrasonic-versus-pneumatic-lithotripsy-in-percutaneous-nephrolithotomy-a-randomized-clinical-trial
#3
Mohammad Hadi Radfar, Abbas Basiri, Akbar Nouralizadeh, Hamidreza Shemshaki, Reza Sarhangnejad, Amir Hossein Kashi, Behzad Narouie, Amir Mohammad Soltani, Mahmoudreza Nasiri, Mehdi Sotoudeh
BACKGROUND: Percutaneous nephrolitotomy (PCNL) is the preferred treatment for large renal stones. There is a need for more comparative data for different lithotripters used in PCNL. OBJECTIVE: To evaluate the comparative safety and efficacy of ultrasonic and pneumatic lithotripsy in patients undergoing PCNL. DESIGN, SETTING, AND PARTICIPANTS: This randomized clinical trial was conducted at Labbafinejad University Hospital, Tehran, Iran. A total of 180 patients were selected and divided randomly into two groups: 88 patients to pneumatic and 92 to ultrasonic lithotripsy...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28720368/a-critical-review-of-miniaturised-percutaneous-nephrolithotomy-is-smaller-better
#4
REVIEW
Silvia Proietti, Guido Giusti, Mahesh Desai, Arvind P Ganpule
CONTEXT: In an effort to reduce morbidity related to percutaneous nephrolithotomy (PCNL), some investigators have progressively introduced miniaturised approaches. The development of miniaturised nephroscopes facilitated widespread dissemination of these techniques and a significant expansion of the role of PCNL in endourology. OBJECTIVE: To discuss the different techniques comprising modern PCNL and identify the pros and cons of each of them. EVIDENCE ACQUISITION: Data for this review were identified through a search of PubMed, including studies published in the last 20 yr in core clinical journals in English...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28720363/burden-of-urolithiasis-trends-in-prevalence-treatments-and-costs
#5
REVIEW
Omer A Raheem, Yash S Khandwala, Roger L Sur, Khurshid R Ghani, John D Denstedt
CONTEXT: The recent evolution of management options for urolithiasis has presented a unique dilemma for the modern urologist. A comprehensive understanding of epidemiological trends along with current provider preferences in treating urinary stones would be beneficial. OBJECTIVE: To review trends in the prevalence, treatments, and costs of urolithiasis worldwide. EVIDENCE ACQUISITION: A literature review was performed using the MEDLINE database, the Cochrane Library Central search facility, Web of Science, and Google Scholar between 1986 and 2016...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28720357/clinical-case-discussion-kidney-stone-in-a-patient-with-an-ileal-conduit
#6
R Jeroen A van Moorselaar, Jakko A Nieuwenhuijzen
A patient underwent robot-assisted laparoscopic cystectomy with an ileal conduit urinary diversion. Percutaneous nephrolithotomy was performed for treatment of a kidney stone. Stone analysis revealed struvite.
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28719978/optimizing-rna-extraction-of-renal-papilla-biopsy-tissue-in-kidney-stone-formers-a-new-methodology-for-genomic-study
#7
Kazumi Taguchi, Manint Usawachintachit, Shuzo Hamamoto, Rei Unno, David T Tzou, Benjamin Sherer, Yongmei Wang, Atsushi Okada, Marshall Stoller, Takahiro Yasui, Thomas Chi
INTRODUCTION: Endoscopic tools have provided versatile examination and treatment for kidney stone procedures. Despite endourologists researching urinary stone disease using endoscopes to collect tissue, this tissue collection method is limited. Endoscopically removed tissues are small in size, restricting the types of genome-based examination possible. We investigated a new method of renal papilla biopsy and RNA extraction to establish a genomic research methodology for kidney stone disease...
July 18, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28717541/is-standard-percutaneous-nephrolithotomy-still-the-standard-treatment-modality-for-renal-stones-less-than-three-centimeters
#8
Ömer Sarılar, Faruk Özgör, Onur Küçüktopçu, Burak Uçpınar, Mehmet Fatih Akbulut, Metin Savun, Zafer Gökhan Gürbüz, Murat Binbay
OBJECTIVE: The aim of study was to compare the efficiency and safety of standard percutaneous nephrolithotomy (sPNL) and miniaturized percutaneous nephrolithotomy (mPNL) in lower calyx and/or pelvic stones smaller than three centimeters. MATERIAL AND METHODS: From October 2010 to August 2015, 108 mPNL and 176 sPNL procedures were performed for renal stones smaller than three cm and located in the lower calyx and/or renal pelvis. All patients were evaluated preoperatively with intravenous pyelography and/or computed tomography...
June 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28717540/totally-tubeless-percutaneous-nephrolithotomy-is-feasible-in-morbidly-obese-patients
#9
Seyed Mohammad Kazem Aghamir, Mohammad Ghasem Mohseni, Seyed Reza Hosseini, Alborz Salavati, Hossein Ganjali, Mohammad Ali Fallah, Hamed Rezaei, Seyed Saeed Modaresi
OBJECTIVE: Regarding technical difficulties that obese body habitus might impose to percutaneous nephrolithotomy (PNL) success and higher risk of peri-operative complications in this group of patients, we decided to retrospectively gather data from our patients during past 8 years to determine the stone free and complication rates. MATERIAL AND METHODS: Between January 2007-December 2015, seventy-eight obese patients with body mass index over 35 who had indication for PNL including stones larger than 2 cm in pelvi-calyceal system or smaller extracorporeal shock wave lithotripsy (ESWL) resistant stones or who were not a fit candidate for ESWL due to increased skin to target distance, with no contraindication of PNL (including bleeding diathesis, inability to be positioned in prone) were enrolled...
June 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28717532/retrograde-intrarenal-surgery-for-renal-stones-part-1
#10
REVIEW
Ben Van Cleynenbreugel, Özcan Kılıç, Murat Akand
The main aim in the treatment of renal stones is to clearance of the stones completely with the least morbidity. Parallel to the improvements in technology during recent years, new flexible ureterorenoscopes and effective lithotripters such as holmium laser have been developed, thus retrograde intrarenal surgery (RIRS) has become an efficient and safe option in the management of urinary system stone disease with a gradually increasing popularity. Therewithal, innovations in auxiliary equipment such as guide-wires, ureteral access sheath and stone baskets have made this procedure more effective...
June 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28710235/renal-fistulae-different-aetiologies-similar-management
#11
Ved Bhaskar, Rahul Janak Sinha, Bimalesh Purkait, Vishwajeet Singh
Iatrogenic renocolic fistulae, although have been described in literature, is a rare clinical complication. Recently its incidence is on rise due to advent of minimally invasive surgery and percutaneous surgery of kidney. It has been reported after percutaneous nephrolithotomy but its incidence after percutaneous nephrostomy is quite uncommon and rarely reported. Though spontaneous renocutaneous fistula has been reported, acquired renocutaneous fistula is very uncommon and fistula after gun shot injury has not been reported to the best of our knowledge...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28707955/use-of-fluoroscopy-and-potential-long-term-radiation-effects-on-cataract-formation
#12
Rutveej Patel, Justin Dubin, Ephrem Odoy Olweny, Sammy Elsamra, Robert E Weiss
INTRODUCTION: The lens of the eye is extremely susceptible to radiation and long-term exposure can induce cataract formation. Our objective was to explore the risk of cataract formation for urologists at our institution. METHODS: A retrospective review of a multi-surgeon database of fluoroscopic cases between 10/2013 to 12/2014 was queried. Procedures were performed by different subspecialties and ranged from stent insertion/ureteroscopy to percutaneous nephrolithotomy...
July 14, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28702679/predictive-factors-of-bleeding-among-pediatric-patients-undergoing-percutaneous-nephrolithotomy
#13
Cagri Senocak, Ridvan Ozbek, Omer Faruk Bozkurt, Ali Unsal
The purpose of this study is to determine the perioperative risk factors for increased blood loss in children undergoing percutaneous nephrolithotomy (PCNL).We retrospectively reviewed the data on pediatric patients who had undergone PCNL for stone disease in our department. Blood loss estimation was quantified by measuring the changes in hematocrit plus the volume of red blood cells transfused. Univariate and multivariate linear regression analyses were performed to evaluate risk factors associated with increased blood loss after pediatric PCNL...
July 12, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28695419/implementation-of-minimally-invasive-percutaneous-nephrolithotomy-mip-comparison-of-the-initial-learning-curve-with-the-later-on-clinical-routine-in-a-tertiary-centre
#14
T Bergmann, T R W Herrmann, Th Schiller, U Zimmermann, M Burchardt
OBJECTIVE: We report on the comparison of clinical results of the early phase of implementation of minimally invasive PNL (MIP) in a mentor-based approach with the later on clinical routine in a tertiary centre. PATIENTS AND METHODS: From January 2010 until January 2015 MIP was performed in 190 patients. Stone and patient characteristics were recorded in prospective manner. Perioperative complications were recorded within the Clavien-Classification. The first 120 consecutive patients undergoing MIP were evaluated and divided into three groups of 40 patients each...
July 10, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28692204/the-new-generation-super-mini-percutaneous-nephrolithotomy-smp-system-a-step-by-step-guide
#15
Guohua Zeng, Wei Zhu, Yang Liu, Junhong Fan, Zhijian Zhao, Chao Cai
OBJECTIVE: To present our novel miniaturized endoscopic system and describe a step-by-step guide for successful implementation of the super-mini percutaneous nephrolithotomy (SMP). METHODS: The new-generation SMP endoscopic system consists of (i) a 40,000-pixel super-mini nephroscope with an 8.0 F outer diameter and 7.5 F inner diameter dismountable sheath (ii) and a newly designed irrigation-suction sheath available in either 12 F or 14 F. The irrigation-suction sheath is a two-layered metal structure...
July 10, 2017: BJU International
https://www.readbyqxmd.com/read/28679474/a-comparison-of-micro-perc-and-retrograde-intrarenal-surgery-results-in-pediatric-patients-with-renal-stones
#16
Haluk Sen, Ilker Seckiner, Omer Bayrak, Kazim Dogan, Sakip Erturhan
INTRODUCTION: With advancements in endoscopic surgery, open surgical techniques for urinary system stones have paved the way for the application of less invasive treatment modalities in patients with pediatric kidney stone disease. These treatment options include extracorporeal shock wave lithotripsy (ESWL), percutaneous nephrolithotomy (PCNL), and retrograde intrarenal surgery (RIRS). OBJECTIVE: We aimed to compare the efficacy and safety of RIRS and micro-PCNL techniques in the surgical treatment of kidney stones in pediatric patients...
June 19, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28678329/analysis-of-the-safety-and-efficacy-of-combined-extracorporeal-shock-wave-lithotripsy-and-percutaneous-nephrolithotomy-for-the-treatment-of-complex-renal-calculus
#17
X-Z He, T-W Ou, X Cui, J Li, S-H Wang
OBJECTIVE: To investigate the safety and efficacy of extracorporeal shock wave lithotripsy (ESWL) combined with percutaneous nephrolithotomy (PCNL) for treatment of complex renal calculus. PATIENTS AND METHODS: Seventy-eight patients diagnosed with complex renal calculus and who accepted treatment in our hospital were consecutively selected. Patients were divided randomly into the observation group (n=40) treated by combined ESWL and PCNL and the control group (n=38) treated by PCNL...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28670669/primary-report-of-totally-tubeless-percutaneous-nephrolithotomy-despite-pelvi-calyceal-perforations
#18
Seyed Mohammad Kazem Aghamir, Alborz Salavati, Morteza Hamidi, Asghar FallahNejad
PURPOSE: Nephrostomy tube insertion and/or a ureteral stent placement is advised when pelvi-calyceal perforations are encountered during percutaneous nephrolithotomy (PNL) nevertheless totally tubeless PNL is a possible exit strategy in percutaneous renal surgery therefore case series on the short term clinical outcomes of noninvasive management of iatrogenic pelvicalyceal perforations encountered during PNL is presented. PATIENTS AND METHODS: During retrospective analysis of 1271 PNL procedures, 25 incidents of accidental ureteral catheter/ jj stent dislodgement during first 24 post-operative hours were identified in patient who had pelvi calyceal perforations and had no nephrostomy tube (tubeless)...
July 2, 2017: Urology Journal
https://www.readbyqxmd.com/read/28662708/comparison-of-the-efficacy-and-safety-of-ursl-rplu-and-mpcnl-for-treatment-of-large-upper-impacted-ureteral-stones-a-randomized-controlled-trial
#19
Yunyan Wang, Bing Zhong, Xiaosong Yang, Gongcheng Wang, Peijin Hou, Junsong Meng
BACKGROUND: There are three minimally invasive methods for the management of large upper impacted ureteral stones: mini-percutaneous nephrolithotomy (MPCNL), transurethral ureteroscope lithotripsy (URSL), and retroperitoneal laparoscopic ureterolithotomy (RPLU). This study aimed to compare MPCNL, URSL, and RPLU, and to evaluate which one is the best choice for large upper impacted ureteral stones. METHODS: Between January 2012 and December 2015, at the Department of Urology, Huai'an First People's Hospital, 150 consecutively enrolled patients with a large upper impacted ureteral stone (>15 mm) were included...
June 29, 2017: BMC Urology
https://www.readbyqxmd.com/read/28658843/anatrophic-nephrolithotomy-in-the-management-of-large-staghorn-calculi-a-single-centre-experience
#20
Ramaiah Keshavamurthy, Vilvapathy Senguttuvan Karthikeyan, Ashwin Mallya, Jayaram Sreenivas, Girish Gurubasappa Nelivigi, Ananth Janarthan Kamath
INTRODUCTION: With advances in endourology, open stone surgery for staghorn calculi has markedly diminished. Anatrophic Nephrolithotomy (AN) is performed for complex staghorn stones which cannot be cleared by a reasonable number of Percutaneous Nephrolithotomy (PNL) attempts. AIM: To assess the indications and outcomes of AN in the modern era. MATERIALS AND METHODS: Between April 2008 and July 2015, AN was done in 14 renal units in 13 patients...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
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