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https://www.readbyqxmd.com/read/29325429/a-novel-method-for-re-positioning-suboptimally-preoperatively-placed-nephrostomy-tubes-for-pcnl-without-renal-re-puncture
#1
Yazeed Barghouthy, Vasileios Kourmpetis, Snir Dekalo, Yuval Bar-Yosef, Simon Conti, Alexander Greenstein, Mario Sofer
OBJECTIVE: Nephrostomy tubes (NT) inserted in emergency settings by interventional radiologists are frequently unsuitable for subsequent percutaneous nephrolithotomy (PCNL). We report a novel method of adjusting these NTs to be used as PCNL tracts and avoid renal re-puncture. PATIENTS AND METHODS: A retrospective search of 981 consecutive PCNLs performed in our institution between 2002-2017 identified all patients with preoperatively inserted NTs. The NTs unsuitable for PCNL were adjusted by a novel approach in which a 5-mm incision was made at the ideal puncture location (IPL) as indicated under fluoroscopic guidance...
January 12, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29322602/outcomes-of-more-than-1-000-percutaneous-nephrolithotomies-and-validation-of-guy-s-stone-score
#2
Petronio Augusto de Souza Melo, Fabio Carvalho Vicentini, Artur Agostinho Beraldi, Marcelo Hisano, Claudio Bovolenta Murta, Joaquim Francisco de Almeida Claro
OBJECTIVE: To present the experience with percutaneous nephrolithotomy (PCNL) at a high-volume Brazilian centre and to evaluate Guy's stone score (GSS) as a predictor of success and complications in PCNL. PATIENTS AND METHODS: We prospectively evaluated patients who underwent PCNL between June 2011 and October 2016. Indications for PCNL included renal stones larger than 2 cm and calculi smaller than 2 cm in which first-line techniques had failed. All patients underwent a complete pre-operative evaluation, including non-contrast-enhanced abdominal computed tomography (CT)...
January 11, 2018: BJU International
https://www.readbyqxmd.com/read/29315415/local-levels-of-patient-radiation-exposure-in-a-urology-operating-room-in-italy
#3
C Giordano, G Marcello, L Barbattini, R Gobbi
The data analysed came from 545 patients and were related to five types of procedures performed in the urology operating room: percutaneous nephrolithotomy (PCNL), retrograde intrarenal surgery (RIRS), ureteropyeloscopy (UPS), ureteral catheterisation and nephrostomy. Local reference levels (75th percentiles) were determined for the various procedures. The peak entrance skin dose for a patient 20 cm thick was highest for PCNL, being 82 mGy, followed by 43 mGy for nephrostomy, 23 mGy for RIRS, 23 mGy for UPS and 17 mGy for stenting...
January 5, 2018: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29310460/stone-compositions-and-different-lithotripters-in-pcnl
#4
Mohammad Hadi Radfar, Behnam Shakiba
We read with great interest the paper by York and colleagues [1] entitled "Randomized controlled trial comparing three different modalities of lithotrites for intracorporeal lithotripsy in PCNL". This study showed that the safety and efficacy of Cyberwand, Lithoclast Select, and the StoneBreaker lithotripters are similar and comparable. They stated that "the clearance rate of "hard" stones (defined as brushite, cystine, and uric acid stones) was comparable across the 3 groups). We would like to point out that this statement is one side of the coin...
January 8, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29290086/simultaneous-treatment-of-renal-and-upper-ureteral-stone-and-cysts-with-percutaneous-nephrolithotomy-and-cyst-laser-intrarenal-incision-and-drainage
#5
Xiaohui Hu, Kehua Jiang, Hongbo Chen, Shenliang Zhu, Chunxiong Zhao
PURPOSE: To assess the feasibility and safety of percutaneous nephrolithotomy (PCNL) combined with cyst laser intrarenal incision and drainage in the management of renal and upper ureteral stones with ipsilateral renal cyst. MATERIALS AND METHODS: Between March 2011 and March 2016, 28 patients with ipsilateral renal cyst in renal and upper ureteral stones underwent PCNL combined with cyst laser intrarenal incision and drainage. The perioperative evaluated variables included operation time, cyst size after surgery, complications and stone-free rate(SFR)...
December 30, 2017: Urology Journal
https://www.readbyqxmd.com/read/29278929/comparing-the-efficacy-of-tolterodine-and-gabapentin-versus-placebo-in-catheter-related-bladder-discomfort-after-percutaneous-nephrolithotomy-a-randomized-clinical-trial
#6
Robab- Maghsoudi, Saeed Farhadi-Niaki, Masoud Etemadian, Amir Hossein Kashi, Pejman Shadpour, Asemaneh Shirani, Rana Samadinezhad-Khoshbaf-Sorkhabi, Meghdad Tabatabaei
PURPOSE: The purpose of this study was to compare the efficacy of tolterodine and gabapentin versus placebo in catheter related bladder discomfort (CRBD) following percutaneous nephrolithotomy (PCNL). MATERIALS AND METHODS: This study was a double-blind parallel group randomized clinical trial. Patients who were candidates of PCNL were enrolled. Patients were randomized to treatment groups of tolterodine 2 mg PO (group T, N=50), gabapentin 600 mg PO (group G, N=50), and placebo (group P, N=70) one hour before operation using balanced block randomization...
December 26, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/29260637/assessment-of-bilateral-supine-and-prone-tubeless-percutaneous-nephrolithotomy
#7
Mario Sofer, Silvia Proietti, Yuval Bar-Yosef, Snir Dekalo, Marco Rosso, Ishay Mintz, Piera Bellinzoni, Guido Giusti
INTRODUCTION: To assess the outcome of same-session bilateral tubeless percutaneous nephrolithotomy (BPCNL) in supine and prone positions and to compare them to unilateral tubeless PCNL (UPCNL). MATERIALS AND METHODS: Consecutive PCNL patients treated at two institutions between 2006-2016 were analyzed. Tubeless BPCNL was performed when indicated. RESULTS: Fifty-eight patients underwent BPCNLs [30 supine (SBPCNL) and 28 prone (PBPCNL)], while 1395 patients underwent UPCNLs...
December 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/29250765/a-simple-non-biological-model-for-percutaneous-renal-access-training
#8
Ahsen Karagozlu Akgul, Dursun Unal, Murat Demirbas, Sedat Oner, Murat Ucar, Korhan Akgul, Muhammet Guzelsoy, Murat Aydos
PURPOSE: Percutaneous renal puncture (PRP) is one of the most important and critical step of urology, especially while performing percutaneous nephrostomy and percutaneous nephrolithotomy (PCNL). In the learning period of this procedures, there is a need for validated, effective, economical models for such training. This study describes a simple non - biological model for learning PRP. The aim was to determine the effectivity of this model as a training and assessment tool, and to assess its cost relative to other models...
December 17, 2017: Urology Journal
https://www.readbyqxmd.com/read/29245347/systematic-review-and-meta-analysis-to-compare-success-rates-of-retrograde-intrarenal-surgery-versus-percutaneous-nephrolithotomy-for-renal-stones-2%C3%A2-cm-an-update
#9
REVIEW
Sung Ku Kang, Kang Su Cho, Dong Hyuk Kang, Hae Do Jung, Jong Kyou Kwon, Joo Yong Lee
BACKGROUND: We performed a systematic review and meta-analysis comparing stone-free rates between retrograde intrarenal surgery (RIRS) and percutaneous nephrolithotomy (PCNL), using updated, more reliable evidence. MATERIALS AND METHODS: Randomized controlled trials comparing RIRS and PCNL for >2 cm stones were identified from electronic databases. Stone-free rates for the procedures were compared by qualitative and quantitative syntheses (meta-analyses). Outcome variables are shown as risk ratios (RRs) with 95% confidence intervals (CIs)...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29244269/current-trends-of-percutaneous-nephrolithotomy-in-a-developing-country
#10
Carlos A Batagello, Fabio Carvalho Vicentini, Giovanni Scala Marchini, Fabio Cesar Miranda Torricelli, Miguel Srougi, Willian Carlos Nahas, Eduardo Mazzucchi
INTRODUCTION: To present the current practice patterns on percutaneous nephrolithotomy (PCNL) in a developing country. MATERIALS AND METHODS: A survey was offered to Brazilian urologists during the II International Endourology Symposium held in Sao Paulo, in 2015. The first seven questions were related to demographic data while the 20 remaining were directed to urologists who performed PCNL. RESULTS: From 250 participants, 100 replied to the survey, 81% performed PCNL and 60...
December 18, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29243096/miniaturisation-of-pcnl
#11
REVIEW
Sven Lahme
Conventional PCNL leads to a high stone-free rate but is associated with a significant treatment morbidity. To decrease the morbidity of PCNL but to achieve an equal stone-free rate, in 2001 a miniaturised version of a conventional PCNL (Mini-PCNL) was introduced. Meanwhile numerous modifications of the Mini-PCNL were reported. The ongoing experience with the Mini-PCNL technique showed that Mini-PCNL is not only a miniaturisation but also a different method to remove the stones, as the stones come out of the calyceal system only by means of the irrigation flow without any further need of forceps or baskets...
December 14, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29234533/trends-of-intervention-for-paediatric-stone-disease-over-the-last-two-decades-2000-2015-a-systematic-review-of-literature
#12
REVIEW
Amelia Pietropaolo, Silvia Proietti, Patrick Jones, Karan Rangarajan, Omar Aboumarzouk, Guido Giusti, Bhaskar K Somani
Objective: To ascertain the publication trends of interventions for paediatric kidney stone disease (KSD) we conducted a systematic review of literature over the last 16 years. Patients and methods: With a rise of paediatric KSD and related interventions, a systematic review using PubMed was done over the last 16 years for all published papers on 'Paediatric stone disease intervention - ureteroscopy (URS), shockwave lithotripsy (SWL), percutaneous nephrolithotomy (PCNL), open stone surgery, and laparoscopic stone surgery'...
December 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/29234531/ultra-mini-percutaneous-nephrolithotomy-pcnl-versus-standard-pcnl-a-randomised-clinical-trial
#13
Ramin Haghighi, Hossein Zeraati, Maryam Ghorban Zade
Objective: To assess the effectiveness and advantages of ultra-mini-percutaneous nephrolithotomy (UM-PCNL) versus standard PCNL (S-PCNL), as one of the most important differences between the various PCNL techniques is the size of the renal access, which contributes to the broad spectrum of complications and outcomes. Patients and methods: This clinical randomised trial was conducted in 2016. In all, 70 patients with renal or upper ureteric stones of 10-20 mm in diameter, who were candidates for PCNL, were divided equally into two groups...
December 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/29218393/-microperc-micropercutaneous-nephrolithotomy-a-review-of-the-literature
#14
REVIEW
Arvind P Ganpule, Jaspreet Chabra, Mahesh R Desai
Recent years have seen innovations in working armamentarium of percutaneous nephrolithotomy (PCNL) leading to development of novel modifications such as miniperc, ultra miniperc, and microperc. Amongst these microperc appears to be least invasive and various authors, off late, have reported their experience with the technique. Literature on microperc was reviewed by a MEDLINE/PubMed search with articles in the English language since 2011 in published peer-reviewed journals. Articles comprised of case series, comparative, and noncomparative studies...
December 7, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29212373/propensity-score-matched-analysis-comparing-retrograde-intrarenal-surgery-with-percutaneous-nephrolithotomy-for-large-stones-in-patients-with-a-solitary-kidney
#15
Xiaolei Shi, Yonghan Peng, Xiao Li, Qi Wang, Ling Li, Min Liu, Xiaofeng Gao, Yinghao Sun
PURPOSES: To evaluate the clinical efficacy, safety, and cost of retrograde intrarenal surgery (RIRS) and percutaneous nephrolithotomy (PCNL) in the treatment for large renal stones in patients with a solitary kidney. PATIENTS AND METHODS: In this study, 117 patients with a solitary kidney who had undergone PCNL or RIRS for renal stones larger than 2 cm between January 2010 and December 2016 were retrospectively evaluated. The patients' demographic data, clinical characteristics, and perioperative outcomes were collected through a review of their medical records...
December 6, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/29201513/comparison-of-the-outcomes-of-complete-supine-percutaneous-nephrolithotomy-in-patients-with-radiopaque-and-radiolucent-kidney-stones
#16
Siavash Falahatkar, Gholamreza Mokhtari, Atiyeh Amin, Ehsan Kazemnezhad, Samaneh Esmaeili, Nadia Rastjou Herfeh, Reza Falahatkar
Objective: This study compared the stone opacity effect in patients who had radiopaque and radiolucent stones in percutaneous nephrolithotomy (PCNL) results. Material and methods: The medical records of 171 complete supine PCNL procedures were gathered. Patients were categorized into two groups: those with radiopaque (n=141) and those with radiolucent (n=30) stones. Kidney, ureter and bladder x-ray was done a day after PCNL and Ultrasound imaging was done two weeks later to evaluate the stone free rate...
December 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/29184010/delayed-massive-haemothorax-10-days-following-percutaneous-nephrolithotomy
#17
Sanjay Sinha, Ramesh G Babu, Mallikarjun S Rao
A 56-year-old man presented with massive right haemothorax 10 days following percutaneous nephrolithotomy (PCNL) for complex, large-bulk, right renal stones. Antiplatelet medication started following coronary stenting 7 months ago was stopped 5 days prior and resumed 2 days following surgery. Stones were cleared through two tracts, one supracostal, with placement of ureteral stent but no nephrostomy. He was discharged the next day with an unremarkable chest X-ray. He developed cough and fever after 1 week...
November 28, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29164303/percutaneous-nephrolithotomy-position-position-position
#18
REVIEW
Zhijian Zhao, Junhong Fan, Yang Liu, Jean de la Rosette, Guohua Zeng
Percutaneous nephrolithotomy (PCNL) is the regular surgery for treating large or complex renal stones. Since its first inception, many variations have come in the approach including the modifications of patient position. The prone position is traditionally used, and subsequently, variations in prone and supine technique have been proposed and assessed over time. In an attempt to provide comprehensive information about the strategy applications of patient's position, the present review describes the position-related general basis, and provides a literature review of the pros and cons of various positions from a surgical and anaesthetic point of view...
November 21, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29160109/editorial-comment-on-end-2017-0618-or-r1
#19
Mordechai Duvdevani
Percutaneous nephrolithotomy (PCNL) is currently the treatment of choice for large and complex renal calculi. One of the main advantages of PCNL is gaining a real stone-free status in a single session. However, there are several major complications that necessitate careful patient selection for this surgery (1). In this well written manuscript the authors deal with the true rates and importance of residual fragments following PCNL surgeries done in a high volume center. They reviewed 658 PCNL procedures from 2008-2013 that underwent a CT scan on post-operative day one...
November 21, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/29156745/predictive-value-of-preoperative-inflammatory-response-biomarkers-for-metabolic-syndrome-and-post-pcnl-systemic-inflammatory-response-syndrome-in-patients-with-nephrolithiasis
#20
Kun Tang, Haoran Liu, Kehua Jiang, Tao Ye, Libin Yan, Peijun Liu, Ding Xia, Zhiqiang Chen, Hua Xu, Zhangqun Ye
Neutrophil to lymphocyte ratio (NLR), derived neutrophil to lymphocyte ratio (dNLR), platelet to lymphocyte ratio (PLR) and lymphocyte to monocyte ratio (LMR) were promising biomarkers used to predict diagnosis and prognosis in various inflammatory responses diseases and cancers. However, there have been no reports regarding these biomarkers in kidney stone patients. This study aimed to evaluate the predictive value of inflammatory biomarkers for metabolic syndrome (MetS) and post-PCNL SIRS in nephrolithiasis patients...
October 17, 2017: Oncotarget
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