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Staghorn stone

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https://www.readbyqxmd.com/read/28338302/use-of-the-uro-dyna-ct-in-endourology-the-new-frontier
#1
Fabio C Vicentini, Luiz A A Botelho, José L M Braz, Ernane S Almeida, Marcelo Hisano
We describe the use of the Uro Dyna-CT, an imaging system used in the operating room that produces real-time three-dimensional (3D) imaging and cross-sectional image reconstructions similar to an intraoperative computerized tomography, during a percutaneous nephrolithotomy and a contralateral flexible ureteroscopy in a complete supine position. A 65 year-old female patient had an incomplete calyceal staghorn stone in the right kidney and a 10mm in the left one. The procedure was uneventful and the intraoperative use of the Uro Dyna-CT identified 2 residual stones that were not found by digital fluoroscopy and flexible nephroscopy at the end of surgery, helping us to render the patient stone-free in one procedure, which was confirmed by a postoperative CT scan...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
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
#2
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
#3
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/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
#4
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
https://www.readbyqxmd.com/read/28247655/-the-choice-of-surgical-modality-to-treat-patients-with-staghorn-nephrolithiasis
#5
S B Imamverdiyev, T A Talybov
AIM: Improvement in the results of the treatment of patients suffering from staghorn and multiple nephrolithiasis, using open method of surgery and a retrospective analysis of the surgical data. MATERIAL AND METHODS: There was executed asurgical treatment of the 730 patients with staghorn and multiple nephrolithiasis in the period from 1998 to 2012. 480 of the patients had one-sided staghorn stones and 250 of them had double-sided staghorn stones. Age of the patients varied from 4 to 76 years old (average - 49)...
April 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28247641/-initial-experience-with-laparoscopic-anatrophic-nephrolithotomy
#6
A D Kochkin, A G Martov, F A Sevryukov, A V Knutov, V P Sergeev
Percutaneous nephrolithotomy is a recognized standard for minimally invasive treatment of large kidney stones. Percutaneous interventions for complete staghorn stones are associated with a higher risk of complications that precludes abandoning the traditional open operations, one of which is an anatrophic nephrolithotomy. This paper presents the first personal experience in laparoscopic transmesenteric anatrophic nephrolithotomy. The intervention was conducted in 3 patients (2 males and 1 female) aged 43 to 58 years, having a primary symptomatic complete left kidney staghorn stones sized from 7...
August 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28216931/predictors-of-radiation-exposure-to-providers-during-percutaneous-nephrolithotomy
#7
David L Wenzler, Joel E Abbott, Jeannie J Su, William Shi, Richard Slater, Daniel Miller, Michelle J Siemens, Roger L Sur
BACKGROUND: Limited studies have reported on radiation risks of increased ionizing radiation exposure to medical personnel in the urologic community. Fluoroscopy is readily used in many urologic surgical procedures. The aim of this study was to determine radiation exposure to all operating room personnel during percutaneous nephrolithotomy (PNL), commonly performed for large renal or complex stones. MATERIALS AND METHODS: We prospectively collected personnel exposure data for all PNL cases at two academic institutions...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28169121/-percutaneous-nephrolithotomy-for-kidney-stones-in-elderly-patients-meta-analysis-of-results-and-complications
#8
R Haider, P Regnier, F-R Roustan, F Séverac, P-J Treacy, L Mendel, Y Bodokh, B Tibi, R Prader, O Traxer, D Chevallier, J Amiel, M Durand
INTRODUCTION AND OBJECTIVE: Percutaneous nephrolithotomy (PCNL) is the gold standard treatment for kidney stones regardless of age. Elderly patients (EP)≥65years old, in growing numbers, have more comorbidities than the general population, may alter results of PCNL. The aim of this meta-analysis was to compare efficacy and complications of this procedure between EP and young patients (YP). METHODS: Original studies of prospective and historical cohorts, in English or French, presenting PCNL series published on PubMed until 2015 were identified using the keywords percutaneous nephrolithotomy, elderly patients, kidney stones and staghorn calculi...
February 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28161725/treatment-for-residual-stones-using-flexible-ureteroscopy-and-holmium-laser-lithotripsy-after-the-management-of-complex-calculi-with-single-tract-percutaneous-nephrolithotomy
#9
L Chen, M-L Sha, D Li, J Zhuo, C-Y Jiang, Y-P Zhu, S-J Xia, J Lu, Y Shao
This study validated the effectiveness and safety of the treatment for residual stones using flexible ureteroscopy (fURS) and holmium laser (0.6-1.2 J, 20-30 Hz) lithotripsy via a fiber with a 200-μm core diameter and 0.22 numerical aperture (NA) after the management of complex calculi with single-tract percutaneous nephrolithotomy (PCNL). Between January 2014 and June 2016, 27 consecutive patients with complex calculi underwent fURS and holmium laser lithotripsy after a planned single-tract PCNL. Among the 27 patients with complex calculi, 9 had full staghorn calculi, 7 had partial staghorn calculi, and 11 had multiple calculi...
April 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28098121/perspectives-on-hypertension-outcomes-after-single-stage-clearance-of-a-complete-staghorn-renal-calculus
#10
Ranjit Chaudhary, Kulwant Singh, Chirag S Dausage, Nidhi Jain
A 55-year-old male presented, in June 2013, with left flank pain. Investigations revealed a complete staghorn stone. He had undergone two sittings of extracorporeal shock wave lithotripsy (ESWL) in 2008 for left renal stone. One year subsequent to this, he was diagnosed with hypertension and diabetes. The management of complete staghorn stones in a single sitting is a difficult proposition. Percutaneous nephrolithotomy (PCNL) is the gold standard to manage such stones. The patient was subjected to PCNL, and complete clearance was achieved in one sitting...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28057987/factors-predicting-infectious-complications-following-percutaneous-nephrolithotomy
#11
Kuldeep Sharma, Satya Narayan Sankhwar, Apul Goel, Vishwajeet Singh, Pradeep Sharma, Yogesh Garg
OBJECTIVE: To determine the predictors of infectious complications following percutaneous nephrolithotomy (PCNL) in a prospective study. MATERIALS AND METHODS: A total of 332 patients with renal or upper ureteric calculi who underwent PCNL between January 2013 and June 2014 were included in the study. Infectious complications included febrile urinary tract infection and septicemia. The patients were divided into Group A and B depending on whether they developed or did not develop infectious complications...
October 2016: Urology Annals
https://www.readbyqxmd.com/read/28051233/giant-staghorn-common-bile-duct-calculus
#12
Mohamed Salah Jarrar, Mohamed Habib Ben Hadj Khalifa, Rafik Ghrissi, Imed Ben Mansour, Fehmi Hamila, Amine Elghali, Rached Letaief
Background - Stones in common bile duct are defined as 'large' if they are more than 15 mm in size. There are very few reports which describe a giant stone measuring 5 cm or more and exceptionally a staghorn calculus in the common bile duct. Purpose - The purpose is to report a new rare case of giant staghorn gallstone and discuss the diagnostic approach and therapeutic possibilities. Case report - We report a case of a giant staghorn common bile duct calculus in a 65-year-old patient. Its removal required 2 operations and an endoscopic retrograde cholangiopancreatography with endoscopic sphincterotomy...
July 2016: La Tunisie Médicale
https://www.readbyqxmd.com/read/27960540/pediatric-percutaneous-nephrolithotomy-experience-of-a-tertiary-care-center
#13
Sher Singh Yadav, Satinder Pal Aggarwal, Rajeev Mathur, Krishan Kumar Sharma, Ram Gopal Yadav, Vinay Tomar, Ram Dayal Teli, Deepak Jain
OBJECTIVE: To present the experience of pediatric percutaneous nephrolithotomy (PCNL) of our center. MATERIALS AND METHODS: This study was conducted from 1995 to 2015, on patients <15 years of age having renal and upper ureteral stones who underwent PCNL. Stones were classified as per Guy's stone score (GSS). Standard bull's eye technique was used for subcostal puncture. To avoid supracostal puncture, puncture was done in full inspiration or by oblique tract...
March 2017: Journal of Endourology
https://www.readbyqxmd.com/read/27909619/the-role-of-ultra-mini-percutaneous-nephrolithotomy-in-the-treatment-of-kidney-stones
#14
Abdulkadir Tepeler, İsmail Başıbüyük, Muhammed Tosun, Abdullah Armağan
OBJECTIVE: In our study we aimed to evaluate outcomes of ultra-mini-percutaneous nephrolithotomy (UMP) performed for the treatment of kidney stones. MATERIAL AND METHODS: Between October 2014 and September 2015, a single surgeon performed UMP on a total of 49 consecutive patients with symptomatic kidney stones at our center. Pregnants, anticogulant users, patients with bleeding diathesis pyonephrosis, and partial/complete staghorn stones were excluded from the study...
December 2016: Turkish Journal of Urology
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
#15
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/27822582/are-there-any-predictors-of-pyonephrosis-in-patients-with-renal-calculus-disease
#16
Madhusudan Patodia, Apul Goel, Vishwajeet Singh, Bhupendra Pal Singh, Rahul Janak Sinha, Manoj Kumar, Divakar Dalela, Satya Narayan Sankhwar
The objective of the study is to identify factors predicting development of pyonephrosis in patients of renal calculus disease (RCD), as this knowledge is largely unknown. Patients of RCD without pyonephrosis (Group 1) or with pyonephrosis (Group 2) presenting between December 2013 and November 2015 were evaluated. All patients of RCD who had undergone either percutaneous nephrostomy (PCN) or surgical management (percutaneous nephrolithotomy/pyelolithotomy/nephrectomy) were included. Patients treated conservatively, by extracorporeal shock-wave lithotripsy and patients of bilateral RCD were excluded...
November 7, 2016: Urolithiasis
https://www.readbyqxmd.com/read/27775283/-pediatric-extracorporeal-shock-wave-lithotripsy
#17
M Fernández Ibieta, A Bujons Tur, J Caffaratti Sfulcini, J Alberola, D Bonín, R Jiménez Corro, H Villavicencio
INTRODUCTION: Extracorporeal Shock Wave lithotripsy (ESWL) is the cornerstone of pediatric urolitiasis management. We evaluated its efficacy and complications in a series of children. MATERIAL AND METHODS: Children who were managed with ESWL between 2003 and 2012 were retrospectively reviewed. We studied etiology, clinical presentation, stonefree ratio and relevant complications. SPSS 17.0 software was used. RESULTS: 90 children aged 0 to 10 years (median 2...
April 15, 2015: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
https://www.readbyqxmd.com/read/27720776/x-ray-free-ultrasound-guided-percutaneous-nephrolithotomy-how-to-select-the-right-patient
#18
Manint Usawachintachit, David T Tzou, Weiguo Hu, Jianxing Li, Thomas Chi
OBJECTIVE: To identify factors associated with successful ultrasound guidance for each surgical step of ultrasound-guided percutaneous nephrolithotomy (PCNL). PATIENTS AND METHODS: Consecutive patients undergoing PCNL between March 2015 and June 2016 were prospectively enrolled. An attempt was made to use ultrasound guidance in renal access, tract dilation, and nephrostomy tube placement for each patient. For steps during which ultrasound guidance was unsuccessful, fluoroscopic screening was applied...
October 5, 2016: Urology
https://www.readbyqxmd.com/read/27704054/renal-vein-injury-during-percutaneous-nephrolithotomy-procedure
#19
Sarwar Noori Mahmood, Hewa Mahmood Toffeq
Background: Percutaneous nephrostolithotomy is an important approach for removing kidney stones. Puncturing and dilatation are two mandatory steps in percutaneous nephrolithotomy (PCNL). Uncommonly, during dilatation, the dilators can cause direct injury to the main renal vein or to their tributaries. Case Presentation: A 75-year-old female underwent PCNL for partial staghorn stone in the left kidney. During puncturing and dilatation, renal vein tributary was injured, and the nephroscope entered the renal vein and inferior vena cava, which was clearly recognized...
2016: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/27703669/factors-affecting-stone-free-rate-of-primary-percutaneous-nephrolithotomy-on-staghorn-calculi-a-single-center-experience-of-15-years
#20
Widi Atmoko, Ponco Birowo, Nur Rasyid
Objectives: Percutaneous nephrolithotomy on staghorn calculi is challenging for urologists because it is difficult to remove all of the stones. The purpose of this study was to evaluate the associated factors of stone-free rate after primary percutaneous nephrolithotomy on staghorn calculi in a large series of patients at a single, tertiary referral, endourologic stone center. Methods: We collected data from medical record between January 2000 and December 2015. A total of 345 primary percutaneous nephrolithotomy procedures were performed for patients with staghorn calculi...
2016: F1000Research
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