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Percutaneous nephrolithotomy

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https://www.readbyqxmd.com/read/28936986/characterizing-endourologist-learning-curve-during-percutaneous-nephrolithotomy-implications-on-occupational-dose-and-patients
#1
Jacobo Guiu-Souto, Carlos Otero-Martínez, Daniel Pérez-Fentes, Carlos Fernández-Baltar, Juan F Sánchez-García, Camilo García-Freire, Miguel Pombar, Juan Pardo-Montero
In this study we have characterized the learning curve of percutaneous nephrolithotomy procedures over 301 cases for six years. Different surrogate parameters of clinical expertise have been used, such as dose area product, total procedure time, fluoroscopy time and personal equivalent doses. In addition, two different endourologists have been monitored; one of whom was subjected to a specific Radiation Protection training (ICRP 85). Eye lens dose is estimated from thermoluminescent dosimeters. Significant differences are observed between both endourologists, especially in the fluoroscopy time...
September 22, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28932691/percutaneous-nephrolithotomy-ileal-conduit-lithotripsy-and-litholapaxy-for-a-neglected-encrusted-ureteral-stent
#2
Andrés Gutierrez, Julián Chavarriaga, María A Ocampo, Carlos Hernandez
Urolithiasis can result as a complication of urinary diversión, favored by urinary stasis, intestinal mucus, urinary tract bacteriuria, the metabolic derangements and the presence of foreign bodies. We present a 52- year-old male who underwent radical cystectomy with construction of a Bricker uretero-ileostomy. 5 years later he was found with a forgotten ureteral stent, a 6 cm calculi occupying the whole ileal conduit and a 13 mm calculi in the left renal pelvis. We present our experience in the successful endourological management of an encrusted neglected ureteral stent in an ileal conduit, achieving a stone-free status without complications...
November 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28932275/current-trends-in-percutaneous-nephrolithotomy-an-internet-based-survey
#3
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
https://www.readbyqxmd.com/read/28928593/a-complication-after-percutaneous-nephrolithotomy-anesthesia-mumps
#4
Ezgi Erkiliç, Elvin Kesimci, Aysun Yüngül, Ferit Alaybeyoğlu, Mustafa Aksoy
Some surgical procedures performed under moderate and sometimes extreme positions expose patients to nonphysiological changes. Especially, the manipulations of a patient in prone and lateral decubitus position might increase complications. Anesthesia mumps has been reported as one of these complications. It has been found to be rare but known entity associated with patients of all age groups and all surgical positions. We herein describe an early noticed acute case of unilateral anesthesia mumps that developed after endotracheal intubation in prone position in a 54-year-old female...
July 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28918616/trainee-associated-factors-and-proficiency-at-percutaneous-nephrolithotomy
#5
Seyed Mohammad Kazem Aghamir, Negar Behtash, Morteza Hamidi, Hasan Farahmand, Alborz Salavati, Sara Mortaz Hejri
Percutaneous nephrolithotomy (PNL) is a complicated procedure for urology trainees. This study was designed to investigate the effect of trainees' ages and previous experience, as well as the number of operated cases, on proficiency at PNL by using patient outcomes. A cross sectional observational study was designed during a five-year period. Trainees in PNL fellowship programs were included. At the end of the program, the trainees' performance in PNL was assessed regarding five competencies and scored 1-5...
July 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28900827/lifetime-radiation-exposure-in-patients-with-recurrent-nephrolithiasis
#6
REVIEW
Mohamed A Elkoushy, Sero Andonian
Patients presenting with nephrolithiasis often undergo repeated imaging studies before, during, and after management. Considering the significant risk of stone recurrence in primary stone-formers, repeated imaging studies are not uncommon. Cumulative effects of ionizing radiation exposure from various imaging studies could potentially increase the risk for developing cataracts and solid malignancies in urolithiasis patients. Therefore, practitioners planning or performing imaging studies with ionizing radiation are compelled to keep radiation exposure to humans and the environment as low as possible, thus strictly adhering to the ALARA (As Low as Reasonably Achievable) principles...
September 12, 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28895477/prospective-comparative-study-of-the-efficacy-and-safety-of-new-generation-versus-first-generation-system-for-super-mini-percutaneous-nephrolithotomy-smp-a-revolutionary-approach-to-improve-endoscopic-vision-and-stone-removal
#7
Guohua Zeng, Wei Zhu, Yang Liu, Junhong Fan, Wayne Lam, Yu Lan, Chao Cai, Tuo Deng, Xiaohang Li, Zhijian Zhao
Purpose The study sought to compare the procedural and clinical results of SMP with the use of the first- and new- generation devices. Methods A prospective, comparative cohort study was carried out between February 2013 to January 2017. Patients who underwent either first or new-generation SMP were eligible for the study. Inclusion criteria were adult patients with renal stone <4 cm, or in pediatric patients with renal stone < 2.5cm with a history of failed SWL. The primary outcome of the present study was the operating time, which was calculated from the starting of percutaneous puncture to the wound closure...
September 12, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28894841/symptomatic-distal-ureteral-stone-in-an-ileal-ureter-treatment-by-combined-supine-ureteroscopy-and-mini-percutaneous-nephrolithotomy
#8
Florian Schott, Benedikt Becker, Andreas J Gross, Christopher Netsch
Urolithiasis is a well-known and common late complication in patients with urinary diversion. Patients without urinary diversion lead to symptoms such as hematuria and ureteral colic, whereas stones in patients with urinary diversion tend to be asymptomatic and are often diagnosed incidentally during staging examinations of oncologic diseases. We report the case of a 64-year-old male patient with a lower pole kidney stone and a stone in the ileal ureter substitution. He presented with diffuse abdominal and left-sided flank pain...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/28891320/improving-drainage-after-percutaneous-nephrolithotomy-based-on-health-related-quality-of-life-a-prospective-randomized-study
#9
Huiming Jiang, DianDong Huang, ShiWu Yao, SiPing Liu
PURPOSE: The impact of drainage type after percutaneous nephrolithotomy (PCNL) on the health-related quality of life (HRQoL) has been rarely studied. We conducted a prospective randomized study to evaluate the differences in HRQoL among patients who received different drainage types. METHODS: 90 patients who underwent PCNL were randomized into three groups to receive a nephrostomy tube (Group 1), a double-J (DJ) stent (Group 2) and an open-ended ureteral catheter (Group 3) after PCNL, respectively...
September 11, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28890561/a-comparison-of-the-efficacy-of-intercostal-nerve-block-and-peritubal-infiltration-of-ropivacaine-for-post-operative-analgesia-following-percutaneous-nephrolithotomy-a-prospective-randomised-double-blind-study
#10
Nirmala Jonnavithula, Raveendra Reddy Chirra, Sai Lakshman Pasupuleti, Rahul Devraj, Vidyasagar Sriramoju, Murthy Vln Pisapati
BACKGROUND AND AIMS: Intercostal nerve blockade (ICNB) and peritubal infiltration of the nephrostomy tract are well-established regional anaesthetic techniques for alleviating pain after percutaneous nephrolithotomy (PCNL). This prospective study compared the efficacy of ICNB and peritubal local anaesthetic infiltration of the nephrostomy tract in providing post-operative analgesia following PCNL. METHODS: Sixty American Society of Anesthesiologist physical status 1 and II patients scheduled for PCNL requiring nephrostomy tube were randomised to receive either peritubal infiltration or ICNB...
August 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28873326/external-validation-and-comparisons-of-the-scoring-systems-for-predicting-percutaneous-nephrolithotomy-outcomes-a-single-center-experience-with-506-cases
#11
Serkan Yarimoglu, Ibrahim Halil Bozkurt, Ozgu Aydogdu, Tarik Yonguc, Bulent Gunlusoy, Tansu Degirmenci
BACKGROUND: To validate and compare the stone scoring systems (stone size [S], tract length [T], obstruction [O], number of involved calices [N], and essence or stone density [E] [S.T.O.N.E.], Guy's Stone Score [GSS], Clinical Research Office of the Endourological Society [CROES], and Seoul National University Renal Stone Complexity [S-ReSC]) used to predict postoperative stone-free status and complications after percutaneous nephrolithotomy (PCNL). METHODS: A total of 567 patients who underwent PCNL for renal stones between January 2012 and August 2015 were included in the recent retrospective study...
September 5, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28868506/ultrasound-guided-percutaneous-nephrolithotomy-advantages-and-limitations
#12
Foo Cheong Ng, Wai Loon Yam, Tze Ying Benjamin Lim, Jin Kiat Teo, Kok Kit Ng, Sey Kiat Lim
PURPOSE: The use of ultrasound in percutaneous nephrolithotomy (PCNL) has not been shown to translate to better clinical and stone outcomes. To compare the operative outcomes, postoperative outcomes and complication rates of ultrasound-guided access PCNL (USGA-PCNL) versus fluoroscopy-guided access PCNL (FGA-PCNL). MATERIALS AND METHODS: A total of 184 consecutive patients who underwent PCNL from July 2008 to September 2014 were identified from our PCNL database...
September 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28859655/management-of-large-renal-stones-laparoscopic-pyelolithotomy-versus-percutaneous-nephrolithotomy
#13
Yunjin Bai, Yin Tang, Lan Deng, Xiaoming Wang, Yubo Yang, Jia Wang, Ping Han
BACKGROUND: Percutaneous nephrolithotomy (PCNL) remains the standard procedure for large (≥2 cm) renal calculi; however, laparoscopic pyelolithotomy (LPL) can be used as an alternative management procedure. The aim of present study was to compare LPL and PCNL in terms of efficacy and safety for the management of large renal pelvic stones. METHODS: A literature search was performed in Jan 2016 using electronic databases (Cochrane Central Register of Controlled Trials, Medline, and EMBASE) to identify relevant studies for the meta-analysis...
August 31, 2017: BMC Urology
https://www.readbyqxmd.com/read/28859496/the-effect-of-physician-specialty-obtaining-access-for-percutaneous-nephrolithotomy-on-perioperative-costs-and-outcomes
#14
Jacqueline M Speed, Ye Wang, Jeffrey J Leow, Naeem Bhojani, Quoc-Dien Trinh, Steven Chang, Ruslan Korets
OBJECTIVE: To evaluate the impact of the specialty (urologist versus radiologist) of the physician obtaining percutaneous renal access (RA) on perioperative outcomes, complications, and costs of percutaneous nephrolithotomy (PCNL). METHODS: We used data from a national hospital discharge database to identify patients undergoing PCNL between 2003-2015. Procedure codes related to RA were linked to physician specialty. We examined patient demographics, Charlson comorbidity index (CCI), postoperative complications, length of stay (LOS), and direct hospital costs as well as hospital and surgeon characteristics stratified by specialty of the physician obtaining RA...
August 31, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28859485/randomized-controlled-trial-comparing-three-different-modalities-of-lithotrites-for-intracorporeal-lithotripsy-in-pcnl
#15
Nadya York, Michael Borofsky, Ben H Chew, Casey A Dauw, Ryan F Paterson, John D Denstedt, Hassan Razvi, Robert B Nadler, Mitchell R Humphreys, Glenn M Preminger, Stephen Y Nakada, Amy E Krambeck, Nicole L Miller, Colin Terry, Lori Rawlings, James E Lingeman
PURPOSE: To compare the efficiency (stone fragmentation and removal time) and complications of three models of intracorporeal lithotripters in percutaneous nephrolithotomy (PCNL). MATERIALS AND METHODS: Prospective, randomized controlled trial at nine centers in the North America from 2009 to 2016. Patients were randomized to one of three lithotripter devices: the Cyberwand, a dual probe ultrasonic device; the Swiss Lithoclast Select, a combination pneumatic and ultrasonic device; and the StoneBreaker, a portable pneumatic device powered by CO2 cartridges...
August 31, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28853103/platelet-to-lymphocyte-ratio-a-new-factor-for-predicting-systemic-inflammatory-response-syndrome-after-percutaneous-nephrolithotomy
#16
Mehmet Cetinkaya, Ibrahim Buldu, Omer Kurt, Ramazan Inan
PURPOSE: The first purpose of this study was to reveal factors affecting the postoperative development of systemic inflammatory response syndrome (SIRS) in patients undergoing standard percutaneous nephrolithotomy (PNL) for renal stones. The second purpose was to determine the role of the preoperative platelet-to-lymphocyte ratio (PLR) and the neutrophil-to-lymphocyte ratio (NLR) in the prediction of SIRS.Matarials and Methods: In total, 192 patients who had undergone conventional PNL for renal stones from 2013 to 2015 were included in the study...
August 29, 2017: Urology Journal
https://www.readbyqxmd.com/read/28845403/the-effect-of-comprehensive-care-on-the-patients-received-minimally-invasive-percutaneous-nephrolithotomy
#17
Xue-Li Wei, Mei-Fang Xue, Zhao-Xia Qin, Xing-Yun Bai, Fang-Fang Dong, Jin-Jin Zhang, Ning Lv, Hui Chen, Jia Zhang
BACKGROUND: We analyzed the effect of comprehensive care on the patients who received minimally invasive percutaneous nephrolithotomy (MPCNL). METHODS: Patients hospitalized from 2013-2014 in Zhumadian Central Hospital (n=124) were enrolled and divided into two groups on random basis. The control group was treated with routine nursing model while the observation group was given comprehensive care additionally. The surgery time, degree of comfort, complications and successful cases, hospitalization time, sleep quality, nursing satisfaction and changes of systolic pressure, pulse and respiratory at different time were observed and analyzed...
July 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28845007/-advantages-of-foley-catheter-for-nephrostomy-tube-after-minimally-invasive-percutaneous-nephrolithotomy
#18
Xiaoqiong Zhang, Xifeng Liu, Weiping Xia, Feng Zeng
To assess the advantages and nursing experience of foley catheter for nephrostomy tube after minimally invasive percutaneous nephrolithotomy (mPCNL).
 Methods: From October 2015 to April 2016, the clinical data of 137 patients, who were diagnosed with upper urinary tract calculi and need to perform mPCNL, were collected and randomized into 2 groups: a foley catheter group (research group, n=69) and a normal nephrostomy tube group (control group, n=68). The patients in research group used foley catheter for nephrostomy tube, while those in the control group used normal nephrostomy tube...
July 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28836969/the-application-of-a-novel-integrated-rigid-and-flexible-nephroscope-in-percutaneous-nephrolithotomy-for-renal-staghorn-stones
#19
Huan Yang, Jianxing Li, Gang Long, Shaogang Wang
BACKGROUND: Renal staghorn stones are challenging for urologists to ensure maximum stone clearance and minimal morbidity. Percutaneous nephrolithotomy (PCNL) has become the gold standard treatment for renal staghorn stones. To assess the safety and efficacy of a novel integrated rigid and flexible percutaneous nephroscope(Rigi-flex nephroscope) in PCNL for renal staghorn stones.We present our initial experience with this new technique. METHODS: From March to July 2016, a prospective analysis of 3 patients with staghorn stones treated with Rigi-flex nephroscope in PCNLunder totally ultrasound guidance by paravertebral block (PVB) anesthesia was done...
August 24, 2017: BMC Urology
https://www.readbyqxmd.com/read/28830243/device-related-adverse-events-during-percutaneous-nephrolithotomy-review-of-the-manufacturer-and-user-facility-device-experience-maude-database
#20
Neel H Patel, Ariel Schulman, Jonathan Bloom, Nikil Uppaluri, John L Phillips, Sensuke Konno, Muhammed Choudhury, Majid Eshghi
INTRODUCTION AND OBJECTIVES: Percutaneous Nephrolithotomy (PCNL) is an established technique for removal of large stones from the upper urinary tract. It is a complex, multistep procedure requiring several classes of instruments that are subject to operator misuse and device malfunction. We report device-related adverse events during PCNL from the MAUDE database using a recently developed standardized classification system. METHODS: The MAUDE database was queried for "percutaneous nephrolithotomy" from 2006 to 2016...
August 22, 2017: Journal of Endourology
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