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Mini perc

Sunil Mhaske, Mehul Singh, Abhirudra Mulay, Sharadkumar Kankalia, Vikram Satav, Vilas Sabale
Aim: The aim of this study is to compare the outcomes of miniaturized percutaneous nephrolithotomy (mini-perc) and retrograde intrarenal surgery (RIRS) in management of renal stones with a diameter <15 mm. Materials and Methods: This was an open-label prospective study that included a total of 80 cases underwent mini-perc ( n = 40) and RIRS ( n = 40) between July 2014 and August 2017. The primary outcome objective was stone-free rate, retreatment rate, complications, hospital stay, operative time, and reduction in hemoglobin level...
April 2018: Urology Annals
Abd Alrahman Ahmad, Omar Alhunaidi, Mohamed Aziz, Mohamed Omar, Ahmed M Al-Kandari, Ahmed El-Nahas, Mohamed El-Shazly
BACKGROUND: The aim of this study was to report current practices of percutaneous nephrolithotomy (PCNL) among endourologists. METHODS: An internet survey was administered to Endourological Society members. Responders were distributed into three groups according to the number of PCNL cases per year (<50, 50-100, >100). PCNL technical details as well as opinions regarding specific clinical case scenarios were evaluated and compared between groups. RESULTS: We received 300 responses from 47 different countries...
September 2017: Therapeutic Advances in Urology
Ketan P Vartak, Prashant H Salvi
We report two cases of male patients with pelvic ectopic kidney with large stones cleared with laparoscopic-assisted minimally invasive percutaneous nephrolithotomy (Mini-PERC) and holmium laser. These are the first cases of Mini-PERC done for pelvic ectopic kidney reported thus far.
April 2017: Urology Annals
Haluk Sen, Ilker Seckiner, Omer Bayrak, Sakip Erturhan, Asaf Demirbağ
INTRODUCTION: The treatment of stone disease is mostly similar in those adult and children. The standard treatment procedures are as follows: extracorporeal shock wave lithotripsy (ESWL), ureterorenoscopy (URS), percutaneous nephrolithotomy (PCNL), and laparoscopic surgery in selected cases. Open surgery (OS) is another option particularly in such cases with anatomic abnormalities of urinary tract. OBJECTIVE: The present study aims to provide comparative results of stone removal procedures in preschool aged patients who were diagnosed with urinary system stone disease...
February 2015: Journal of Pediatric Urology
Wei Zhu, Chunming Jiang, Xi Zheng, Miao Zhang, Hongqian Guo, Xiang Yan
PURPOSE: Currently, most ESRD patients are treated with open surgical technique or with laparoscopic technique. In this study, we examined the role of the ureteroscope-assisted "Mini-Perc" technique versus the modified open surgery in the treatment of ESRD in a prospective randomized manner. METHODS: A total of 72 patients with chronic renal failure were prospectively randomized for the ureteroscope-assisted "Mini-Perc" technique or modified open surgery. Intraoperative and postoperative morbidity, incision size, dose of local anesthesia, operative time, hospital stay, and initial catheter survival and follow-up were compared for both methods...
February 2015: International Urology and Nephrology
Ozgu Aydogdu, Ayhan Karakose, Orcun Celik, Yusuf Ziya Atesci
The incidence of stone disease has been increasing and the risk of recurrent stone formation is high in a pediatric population. It is crucial to use the most effective method with the primary goal of complete stone removal to prevent recurrence from residual fragments. While extracorporeal shock wave lithotripsy (ESWL) is still considered first line therapy in many clinics for urinary tract stones in children, endoscopic techniques are widely preferred due to miniaturization of instruments and evolution of surgical techniques...
February 8, 2014: World Journal of Clinical Pediatrics
Ravindra B Sabnis, Jaspreet S Chhabra, Arvind P Ganpule, Sachin Abrol, Mahesh R Desai
The incidence of pediatric stone disease has been increasing. Though there are geographical variations, there remains a common theme in that this is a high-risk population with regard to stone formation and recurrence. Consequently, it is important to keep the number of procedures performed to a minimum and to save the developing kidney from the deleterious effects of intervention. Of the number of available treatment options, Percutaneous Nephrolithotomy (PCNL) offers a number of distinct advantages albeit with its own set of concerns...
July 2014: Current Urology Reports
Wei Zhu, Chunming Jiang, Xiang Yan, Cheng Sun, Miao Zhang
OBJECTIVES: This study was undertaken to evaluate the clinical feasibility, safety and effect of the ureteroscope-assisted "Mini-Perc" technique with a 16-Fr Peel-Away sheath for insertion of peritoneal dialysis catheters in end-stage renal disease (ESRD) patients. PATIENTS AND METHODS: 47 consecutive ESRD patients underwent ureteroscope-assisted placement of peritoneal dialysis catheters via a 16-Fr Peel-Away sheath. Informed consent form was signed by patients under principle of voluntary...
February 2013: International Urology and Nephrology
Berkan Resorlu, Ali Unsal, Abdulkadir Tepeler, Gokhan Atis, Zafer Tokatli, Derya Oztuna, Abdullah Armagan, Cenk Gurbuz, Turhan Caskurlu, Remzi Saglam
OBJECTIVE: To compare the outcomes of miniaturized percutaneous nephrolithotomy (mini-perc) and retrograde intrarenal surgery (RIRS) in children for 10- to 30-mm renal calculi by evaluating operative data, stone-free rates, and associated complications. METHODS: The records of 201 pediatric patients who underwent mini-perc (n = 106) or RIRS (n = 95) for intrarenal stones of 10- to 30-mm size were reviewed retrospectively. The χ(2) test was applied to compare the success rates, postoperative complications, and blood transfusion rates, and the Mann-Whitney U test was used to compare the means of hospital stay, fluoroscopy, and operative time for mini-perc and RIRS...
September 2012: Urology
Masoud Etemadian, Robab Maghsoudi, Pejman Shadpour, Mohammad Reza Mokhtari, Behkam Rezaeimehr, Mohsen Shati
PURPOSE: To evaluate the safety and efficacy of pediatric percutaneous nephrolithotomy (PCNL) using adult sized instruments in the management of pediatric urolithiasis. MATERIALS AND METHODS: We retrospectively reviewed the medical records of 38 children younger than 15 years who had undergone 45 PCNLs with adult sized instruments in our center between August 2007 and February 2010. RESULTS: There were 26 boys and 12 girls, with a mean age of 8...
2012: Urology Journal
V Ferroud, O Lapouge, A Dousseau, A Rakototiana, G Robert, P Ballanger
PURPOSE: Compare, in a retrospective study, the indications, the efficiency and the morbidity of the flexible ureteroscopy (URS) and the mini percutaneous nephrolithotomy (mini-perc) for the treatment of the renal lithiasis less or equal to 2 cm. MATERIALS AND METHODS: One hundred and forty-four operated patients: 101 by "mini-perc" and 43 by URS. Pre-, per- and post-operative data prospectively entered in a computerized database. RESULTS: URS and "mini-perc" groups were comparable in terms of age (49...
February 2011: Progrès en Urologie
J H Amón, M Cepeda, C Conde, D Alonso, V González, J M Martínez-Sagarra
INTRODUCTION: Washing the renal cavities using minipercutaneous surgery shaft is an ideal technical procedure for retrograde intrarenal surgery (RIRS) when lithiasic fragmentation is significant or if the anatomy of the renal cavities may obstruct the spontaneous elimination of fragments. MATERIALS AND METHODS: we performed 37 RIRS on 35 patients with renal lithiasis (14 men, 21 women) with a mean age of 56 (range 33-72) years, divided into two groups in accordance with the size of their kidney stones...
February 2011: Actas Urologicas Españolas
Matjaz Perc, Attila Szolnoki
Prevalence of cooperation within groups of selfish individuals is puzzling in that it contradicts with the basic premise of natural selection. Favoring players with higher fitness, the latter is key for understanding the challenges faced by cooperators when competing with defectors. Evolutionary game theory provides a competent theoretical framework for addressing the subtleties of cooperation in such situations, which are known as social dilemmas. Recent advances point towards the fact that the evolution of strategies alone may be insufficient to fully exploit the benefits offered by cooperative behavior...
February 2010: Bio Systems
Tina K Schuster, Marc C Smaldone, Timothy D Averch, Michael C Ost
PURPOSE: To review the history of percutaneous nephrolithotomy (PCNL) in children, describe technical considerations, including advancements in equipment, and discuss future directions. MATERIALS AND METHODS: A comprehensive literature review was performed using MEDLINE/PubMed to evaluate the use of PCNL in the pediatric population, including historical background, indications, operative techniques, and outcomes. RESULTS: PCNL was first applied to the pediatric population in the 1980s using adult-size instruments...
October 2009: Journal of Endourology
U Nagele, D Schilling, A G Anastasiadis, U Walcher, K D Sievert, A S Merseburger, M Kuczyk, A Stenzl
Minimally invasive percutaneous nephrolithopaxy (MIP) was developed to combine the excellent stone-free rates of the conventional percutaneous nephrolithopaxy (PCNL) technique with the low morbidity of the miniaturized PCNL (Mini-Perc) and, at the same time, achieve a high level of patient comfort. The procedure is characterized not only by the diameter of the miniaturized 18-Fr Amplatz sheath that was adopted from the Mini-Perc but also by the following features: ultrasound-guided puncture of the kidney; single-step dilatation of the access tract; ballistic lithotripsy; a low-pressure irrigation system together with stone retraction by irrigation with a specially designed nephroscope sheath, for the so-called vacuum cleaner effect; and a sealed and tubeless access tract with primary closure of the channel independent of hemorrhage and without a second-look procedure...
September 2008: Der Urologe. Ausg. A
Igor Romanowsky, Leonard Lismer, Murad Asali, Eran Rosenberg, Jackob Kaneti
INTRODUCTION: Pediatric renal calculus disease has been considered a management dilemma. The various treatment modalities have different effects on the growing kidney, with concern to the significant recurrence rate, and the long-term outcome. We report our experience with performing percutaneous nephrolithotomy (PCNL) monotherapy in staghorn or complex pediatric renal calculi. PATIENTS AND METHODS: We retrospectively analyzed the results of PCNL in 9 children treated at our institute between 2001 and 2006...
June 2008: Archivio Italiano di Urologia, Andrologia
Sven Lahme, Volker Zimmermanns, Andreas Hochmuth, Peter Liske
So far extracorporal shockwave lithotripsy (SWL) is the treatment of choice for upper urinary tract stones. Since the introduction of new minimal-invasive endourological procedures, such as retrograde flexible uretero-renoscopy (fURS) and minimal-invasive percutaneous nephrolithotomy (Mini-Perc), alternative treatment modalities are available, which show enhanced stone-free rates and decreased treatment morbidity even in unfavorable stone localizations of the lower calix and calyceal diverticulum stones. In experienced hands modern endourological approaches are suitable as first-line treatment of upper urinary tract stones...
March 2008: Archivio Italiano di Urologia, Andrologia
S Lahme, V Zimmermanns, A Hochmuth, V Janitzki
Extracorporeal shock wave lithotripsy (SWL) is the current treatment modality of choice for upper urinary tract calculi. For stones with a diameter >2 cm and in lower calyceal stones and diverticular stones, the stone-free rate of SWL is rather poor. In these cases, conventional percutaneous nephrolithotomy (PCNL) leads to an increased stone-free rate, but morbidity with conventional PCNL is significant higher than in SWL. With the invention of miniaturized nephroscopes (mini-perc), new treatment options are available...
May 2008: Der Urologe. Ausg. A
James A Kontak, Andrew D Wright, Thomas M T Turk
BACKGROUND AND PURPOSE: Caliceal diverticula can be treated with a variety of techniques. Traditional percutaneous techniques utilize nephrostomy-tract dilation to between 26F and 32F. Identification of a small diverticulum can be difficult after such dilation. The mini-percutaneous nephrolithotomy technique has been described for the treatment of nephrolithiasis. We report on two patients with caliceal diverticula treated using a mini-perc technique with long-term follow-up. PATIENTS AND METHODS: Two symptomatic patients underwent treatment of posterior caliceal diverticula using a mini-perc technique...
August 2007: Journal of Endourology
T Manohar, Arvind P Ganpule, Prajay Shrivastav, Mahesh Desai
BACKGROUND AND PURPOSE: Treatment of children with staghorn and complex caliceal calculi is one of the most challenging problems in urology. We present our experience with percutaneous nephrolithotomy (PCNL) monotherapy for staghorn and complex caliceal calculi in children less than 5 years of age. PATIENTS AND METHODS: Between 1991 and 2004, 27 boys and 9 girls aged 11 months to 4.5 years underwent PCNL for staghorn (33%) or complex caliceal (67%) calculi. The average bulk of the stones was 140...
August 2006: Journal of Endourology
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