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Percutaneous nephrolithotomy

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https://www.readbyqxmd.com/read/28326800/safety-feasibility-and-efficacy-of-bilateral-synchronous-percutaneous-nephrolithotomy-for-bilateral-stone-disease-evidence-from-a-systematic-review
#1
Patrick Jones, Blessing Dhliwayo, Bhavan Prasad Rai, Moeketsi Mokete, Ramachandran Amitharaj, Omar M Aboumarzouk, Bhaskar K Somani
INTRODUCTION: With the evolution of endourologic technology, bilateral synchronous percutaneous nephrolithotomy (BS-PCNL) has emerged as a potentially practical intervention for patients with bilateral lithiasis. Although tradition has favored a staged approach, an increasing number of original studies have reported their experiences with the synchronous approach. MATERIALS AND METHODS: A Cochrane style search was performed after development of a sensitive and predefined search strategy...
March 22, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28321250/percutaneous-nephrolithotomy-under-ultrasound-guidance-in-patients-with-renal-calculi-and-autosomal-dominant-polycystic-kidney-disease-a-report-of-11-cases
#2
Xiao Wang, Xuecheng Yang, Xiulong Zhong, Zhenlin Wang, Senyao Xue, Weifeng Yu, Zhen Dong
Nephrolithiasis accelerates the renal failure in the patients with ADPKD. In order to evaluate the role of percutaneous nephrolithotomy in management of calculus in these patients, 11 patients with autosomal dominant polycystic kidney disease and renal stones were included in the study. Two patients had bilateral renal stones. All patients were treated by percutaneous nephrolithotomy under ultrasound guidance. 13 percutaneous nephrolithotomy procedures were performed in 1 stage by the urology team under ultrasound guidance...
2017: Advances in Urology
https://www.readbyqxmd.com/read/28319349/renal-access-during-percutaneous-nephrolithotomy-increasing-value-of-ultrasonographic-guidance-for-a-safer-and-successful-procedure
#3
EDITORIAL
Kemal Sarica
No abstract text is available yet for this article.
April 2017: BJU International
https://www.readbyqxmd.com/read/28318298/factors-associated-with-compliance-to-increased-fluid-intake-and-urine-volume-following-dietary-counseling-in-first-time-kidney-stone-patients
#4
Aziz Khambati, Richard S Matulewicz, Kent T Perry, Robert B Nadler
OBJECTIVE: Increasing fluid intake to achieve a urine volume (UV) of >2.5 L/day decreases stone events. We assessed compliance rates and demographic and clinical variables associated with increased fluid intake and UV in patients with urolithiasis following dietary counseling. MATERIALS AND METHODS: In a retrospective study, patients with a low baseline UV (<2.5 L/day) on an initial 24-hour urine collection during metabolic stone evaluation were identified between 2010 and 2015...
March 20, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28303631/surgical-outcomes-of-percutaneous-nephrolithotomy-pcnl-in-3-402-patients-and-results-of-stone-analysis-in-1-559-patients-from-a-single-centre-in-pakistan
#5
S A H Rizvi, M Hussain, S H Askari, M Lal, M N Zafar
OBJECTIVE: To report our experience of a series of PCNL from a single centre over the last 18 years in terms of patients and stone characteristics, indications, stone clearance and complications and chemical analysis of stones in a subgroup. PATIENTS AND METHODS: We retrospectively analysed the outcomes of PCNL in 3,402 adult patients who underwent the procedure between 1997 and 2014 from a prospectively maintained database. Data analysis included patients' age, sex, laboratory investigations, imaging, punctured calyx, duration of operation, volume of irrigation fluid, radiation exposure time, blood transfusion, complications and stone free status at one-month follow-up...
March 16, 2017: BJU International
https://www.readbyqxmd.com/read/28303335/treatment-selection-for-urolithiasis-percutaneous-nephrolithomy-ureteroscopy-shock-wave-lithotripsy-and-active-monitoring
#6
Mahesh Desai, Yinghao Sun, Noor Buchholz, Andrew Fuller, Tadashi Matsuda, Brian Matlaga, Nicole Miller, Damien Bolton, Mohammad Alomar, Arvind Ganpule
Urolithiasis is a significant worldwide source of morbidity, constituting a common urological disease that affects between 10 and 15% of the world population. Recent technological and surgical advances have replaced the need for open surgery with less invasive procedures. The factors which determine the indications for percutaneous nephrolithotomy include stone factors (stone size, stone composition, and stone location), patient factors (habitus and renal anomalies), and failure of other treatment modalities (ESWL and flexible ureteroscopy)...
March 16, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28299762/comparison-of-success-rate-in-complete-supine-versus-semi-supine-percutaneous-nephrolithotomy-the-first-pilot-study-in-randomized-clinical-trial
#7
Siavash Falahatkar, Ali Ghasemi, Keivan Gholamjani Moghaddam, Samaneh Esmaeili, Ehsan Kazemnezhad, Seyed Naser Seyed Esmaeili, Reza Motiee
PURPOSE: To compare outcomes and complications of percutaneous nephrolithotomy (PCNL) in the complete supine versus semi supine position in order to select the best position. MATERIALS AND METHODS: In this clinical trial, between July 2011 and May 2014, a total of 44 patients who presented for PCNL were prospectively enrolled and randomly divided into 2 groups [complete supine (n=22), andsemi supine (n = 22)]. The results in both positions were compared regarding the complexity and outcomes...
March 16, 2017: Urology Journal
https://www.readbyqxmd.com/read/28299761/comparison-of-percutaneous-nephrolithotomy-and-retrograde-intrarenal-surgery-in-treating-20-40-mm-renal-stones
#8
Gokhan Atis, Meftun Culpan, Eyup Sabri Pelit, Cengiz Canakci, Ismail Ulus, Bilal Gunaydin, Asif Yildirim, Turhan Caskurlu
PURPOSE: To compare the outcomes of percutaneous nephrolithotomy (PCNL) and retrograde intrarenal surgery (RIRS) in treating renal stones between 20 and 40 mm in diameter. MATERIALS AND METHODS: 146 patients, who were treated with RIRS and 146 patients, who were treated with PCNL for renal stones between 20 and 40 mm in diameter were compared retrospectively using a matched-pair analysis. The operative and post-operative outcomes of both groups were analyzed retrospectively...
March 16, 2017: Urology Journal
https://www.readbyqxmd.com/read/28292191/upper-calyx-accessibility-through-a-lower-calyx-access-is-not-influenced-by-morphometric-and-clinical-factors-in-supine-percutaneous-nephrolithotomy
#9
Mario Sofer, Yazeed Barghouthy, Yuval Bar-Yosef, Ishay Mintz, Silvia Proietti, Ronit Tsemah, Amir Horkin, Haim Matzkin, Guido Giusti
OBJECTIVE: To assess whether morphometric and clinical parameters influence accessibility to the upper calyx through a lower calyx tract during supine percutaneous nephrolithotomy (SPCNL). METHODS: Data for 114 consecutive SPCNLs performed between 6/2014-3/2016 in an academic medical center were analyzed. Successful approachability was defined as rigid nephroscopic access to the upper calyx introduced through a lower calyx access as attested by direct visualization of the upper calyx papillae and position of the nephroscope on intraoperative pyelography...
March 14, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28289002/unusual-cause-of-renal-stone-following-robotic-pyeloplasty
#10
Siddharth Yadav, Prabhjot Singh, Brusabhanu Nayak, Prem Nath Dogra
Non-absorbable Hem-o-Lok clips are commonly used for vascular pedicle control or suture stabilisation during laparoscopic or robotic reconstructive procedures. As they are placed close to suture line and with tension, these clips have a propensity to migrate. We report a case of a 22-year-old man with history of bilateral robotic pyeloplasty presenting with left inferior calyceal stone. He underwent left mini percutaneous nephrolithotomy which revealed an encrusted migrated Hem-o-Lok clip that was used to close the mesenteric window formed during transmesocolic pyeloplasty...
March 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28287830/artificial-neural-network-system-to-predict-the-postoperative-outcome-of-percutaneous-nephrolithotomy
#11
Alireza Aminsharifi, Dariush Irani, Shima Pooyesh, Hamid Parvin, Sakineh Dehghani, Khalilolah Yousofi, Ebrahim Fazel, Fatemeh Zibaie
PURPOSE: To construct, train, and apply an artificial neural network (ANN) system for prediction of different outcome variables of percutaneous nephrolithotomy (PCNL). We calculated predictive accuracy, sensitivity, and precision for each outcome variable. METHODS: During the study period, all adult patients who underwent PCNL at our institute were enrolled in the study. Preoperative and postoperative variables were recorded, and stone-free status was assessed perioperatively with computed tomography scans...
March 13, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28286933/the-effect-of-nephrostomy-tract-infiltration-of-ketamine-on-postoperative-pain-and-peak-expiratory-flow-rate-in-patients-undergoing-tubeless-percutaneous-nephrolithotomy-a-prospective-randomized-clinical-trial
#12
Seyed Reza Hosseini, Farsad Imani, Golnar Shayanpour, Mohammad Reza Khajavi
Ketamine, as a systemic and local analgesic, has been used to reduce postoperative pain in many studies. The present study was designed to assess the analgesic efficacy of nephrostomy tract infiltration of ketamine in postoperative pain after tubeless percutaneous nephrolithotomy (PCNL). Sixty-six patients with renal stone who were candidates for PCNL were randomized to two groups with 33 patients in each group. In group K, 20 mL saline solution containing 1.5 mg/kg ketamine was infiltrated into the nephrostomy tract and in group C, 20 mL saline solution was infiltrated into the nephrostomy tract at the end of surgery...
March 12, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28284738/procedure-specific-risks-of-thrombosis-and-bleeding-in-urological-non-cancer-surgery-systematic-review-and-meta-analysis
#13
REVIEW
Kari A O Tikkinen, Samantha Craigie, Arnav Agarwal, Reed A C Siemieniuk, Rufus Cartwright, Philippe D Violette, Giacomo Novara, Richard Naspro, Chika Agbassi, Bassel Ali, Maha Imam, Nofisat Ismaila, Denise Kam, Michael K Gould, Per Morten Sandset, Gordon H Guyatt
CONTEXT: Pharmacological thromboprophylaxis involves a trade-off between a reduction in venous thromboembolism (VTE) and increased bleeding. No guidance specific for procedure and patient factors exists in urology. OBJECTIVE: To inform estimates of absolute risk of symptomatic VTE and bleeding requiring reoperation in urological non-cancer surgery. EVIDENCE ACQUISITION: We searched for contemporary observational studies and estimated the risk of symptomatic VTE or bleeding requiring reoperation in the 4 wk after urological surgery...
March 8, 2017: European Urology
https://www.readbyqxmd.com/read/28281312/feasibility-of-single-session-endoscopic-combined-intrarenal-surgery-for-ipsilateral-large-renal-stones-and-retrograde-intrarenal-surgery-for-contralateral-renal-stones-initial-experience
#14
Ohseong Kwon, Juhyun Park, Min Chul Cho, Hwancheol Son, Hyeon Jeong, Sung Yong Cho
OBJECTIVES: To analyze the feasibility of carrying out endoscopic combined intrarenal surgery with supine miniaturized percutaneous nephrolithotomy and retrograde intrarenal surgery for patients with bilateral stones in a single session. METHODS: The records of consecutive patients presenting with bilateral kidney stones who underwent endoscopic combined intrarenal surgery with miniaturized percutaneous nephrolithotomy (15-Fr miniaturized nephroscope) and retrograde intrarenal surgery on one side, and retrograde intrarenal surgery on the contralateral side were prospectively collected and analyzed...
March 9, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28275517/percutaneous-nephrolithotomy-in-complete-supine-flank-free-position-in-comparison-to-prone-position-a-single-centre-experience
#15
Nadeem Sohail, Amjad Albodour, Khalid Mohammed Abdelrahman
OBJECTIVES: To assess the outcomes of performing percutaneous nephrolithotomy (PCNL) in a modified supine position, more feasible for surgeons, anaesthetists, and operating theatre staff, as well as for the patient himself, and evaluating it in comparison to the standard prone position. PATIENT AND METHODS: A retrospective, case-control study was conducted between January 2011 and December 2015. In all, 197 patient's records were reviewed. The initial 101 patients were operated upon in prone position...
March 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/28275516/tubeless-mini-percutaneous-nephrolithotomy-versus-retrograde-intrarenal-surgery-for-lower-calyceal-stones-of-%C3%A2-2%C3%A2-cm-a-prospective-randomised-controlled-study
#16
Amr S Fayad, Mohamed G Elsheikh, Waleed Ghoneima
OBJECTIVE: To assess the safety, efficacy, and stone-free rate (SFR) of mini-percutaneous nephrolithotomy (mini-PCNL) and retrograde intrarenal surgery (RIRS) for the management of lower calyceal stones of ⩽2 cm, and to determine the advantages and disadvantages of each. PATIENTS AND METHODS: In all, 120 patients with lower calyceal stones of ⩽2 cm were randomly divided into two equal groups: Group A were managed by mini-PCNL and Group B by RIRS using flexible ureteroscopy and laser...
March 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/28275515/immediate-versus-delayed-shockwave-lithotripsy-for-inaccessible-stones-after-uncomplicated-percutaneous-nephrolithotomy
#17
Esam A E Desoky, Amr M Fawzi, Ahmed Sakr, Ahmed Eliwa, Ehab R El Sayed, Diab El Sayed, Asharf M S Shahin, Emad A Salem, Hussien M Kamel, Waleed Shabana, Mostafa Kamel
OBJECTIVE: To evaluate the efficacy and safety of immediate versus delayed shockwave lithotripsy (SWL) for inaccessible stones after uncomplicated percutaneous nephrolithotomy (PCNL). PATIENTS AND METHODS: Between December 2011 and June 2014, patients with residual inaccessible stones after uncomplicated PCNL were prospectively randomised into two treatment groups; Group I, immediate SWL and Group II, delayed SWL at 1 week after PCNL. Patients with residual stones of ⩾1...
March 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/28275514/percutaneous-nephrolithotomy-alarming-variables-for-postoperative-bleeding
#18
Shakhawan H A Said, Mohammed A Al Kadum Hassan, Rawa H G Ali, Ismaeel Aghaways, Fahmi H Kakamad, Khalid Q Mohammad
OBJECTIVES: To evaluate factors contributing to bleeding after percutaneous nephrolithotomy (PCNL) and ways of managing this complication, as bleeding is a serious sequela that requires prompt management. PATIENTS AND METHODS: The demographic and procedural data of 200 patients, who underwent unilateral PCNL during a 20-month period, were prospectively collected. Preoperative, operative, and postoperative details were recorded. The preoperative variables analysed included: age, sex, body mass index (BMI), the presence of hypertension, diabetes mellitus, serum creatinine, degree of hydronephrosis, previous ipsilateral open renal surgery, stone size and complexity...
March 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/28275513/extending-indications-of-micropercutaneous-nephrolithotomy-it-is-not-just-about-cracking-stones
#19
Arvind P Ganpule, Jaspreet Singh Chhabra, S B Sudharsan, Ankush Jairath, Mohankumar Vijaykumar, Ravindra Sabnis, Mahesh R Desai
OBJECTIVE: To describe our experience and results of using the MicroPerc™ micropercutaneous nephrolithotomy armamentarium (PolyDiagnost, Germany) for unusual indications unexplored using this modality. PATIENTS AND METHODS: We used the MicroPerc™ system for stone clearance in three ureteric calculi, two bladder calculi, one case of urethral calculus, for antegrade biopsy in a case of upper tract urothelial carcinoma, for Deflux® (dextranomer/hyaluronic copolymer, Salix Pharmaceuticals, Uppsala, Sweden) injection in three cases of vesico-ureteric reflux (VUR), and three cases of posterior urethral valve (PUV) fulgurations...
March 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/28275512/how-practical-is-the-application-of-percutaneous-nephrolithotomy-scoring-systems-prospective-study-comparing-guy-s-stone-score-s-t-o-n-e-score-and-the-clinical-research-office-of-the-endourological-society-croes-nomogram
#20
Anurag Singla, Nikhil Khattar, Rishi Nayyar, Shibani Mehra, Hemant Goel, Rajeev Sood
OBJECTIVE: To prospectively compare the Guy's Stone Score (GSS), S.T.O.N.E. [stone size (S), tract length (T), obstruction (O), number of involved calices (N), and essence or stone density (E)] score and the Clinical Research Office of the Endourological Society (CROES) nephrolithometric nomogram to predict percutaneous nephrolithotomy (PCNL) success rate and assess the correlation with perioperative complications. PATIENTS AND METHODS: We prospectively evaluated all consecutive PCNL patients at our institute between 1 November 2013 and 31 May 2015...
March 2017: Arab Journal of Urology
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