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Staghorn calculi

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https://www.readbyqxmd.com/read/27909619/the-role-of-ultra-mini-percutaneous-nephrolithotomy-in-the-treatment-of-kidney-stones
#1
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/27822582/are-there-any-predictors-of-pyonephrosis-in-patients-with-renal-calculus-disease
#2
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
#3
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
#4
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). MATERIALS AND METHODS: Consecutive patients undergoing PCNL between March 2015 and June 2016 were prospectively enrolled. An attempt was made to utilize 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/27703669/factors-affecting-stone-free-rate-of-primary-percutaneous-nephrolithotomy-on-staghorn-calculi-a-single-center-experience-of-15-years
#5
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
https://www.readbyqxmd.com/read/27633053/percutaneous-nephrolithotomy-of-bilateral-staghorn-renal-calculi-in-pediatric-patients-12%C3%A2-years-experience-in-a-tertiary-care-centre
#6
Bimalesh Purkait, Manoj Kumar, Ashok Kumar Sokhal, Ankur Bansal, Satya Narayan Sankhwar, Ashok Kumar Gupta
To assess the outcomes of percutaneous nephrolithotomy (PCNL) in bilateral staghorn calculi in pediatric patients, we have performed a retrospective analysis. Staghorn calculus is defined as stone that fills a greater part of the pelvic-caliceal system. Still, in developing countries, patients may present with staghorn calculus. PCNL is the preferred treatment modality for staghorn calculus both in adult and children. Our study included fifty-one pediatric patients (<15 years) of bilateral staghorn calculi from 2004 to 2015...
September 15, 2016: Urolithiasis
https://www.readbyqxmd.com/read/27601933/large-subcapsular-hematoma-following-ureteroscopic-laser-lithotripsy-of-renal-calculi-in-a-spina-bifida-patient-lessons-we-learn
#7
Subramanian Vaidyanathan, Azi Samsudin, Gurpreet Singh, Peter L Hughes, Bakul M Soni, Fahed Selmi
INTRODUCTION: Paraplegic patients are at greater risk of developing complications following ureteroscopic lithotripsy because of urine infection associated with neuropathic bladder, difficulties in access due to altered anatomy of urinary bladder and urethra, spinal curvature, spasticity, and contractures. We report the occurrence of large subcapsular hematoma following ureteroscopy and discuss lessons we learn from this case. CASE REPORT: A 48-year-old male patient with spina bifida underwent ureteroscopy with laser lithotripsy and ureteric stenting for left ureteric stone and staghorn calculus with hydronephrosis; laser lithotripsy was repeated after 3 months; both procedures were performed by a senior urologist and did not result in any complications...
2016: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/27579427/sarcomatoid-squamous-cell-carcinoma-of-the-renal-pelvis-masquerading-as-emphysematous-pyelonephritis-with-staghorn-calculus
#8
Dana Kivlin, Carmen Tong, Justin Friedlander, Patricia Perosio, Jay Simhan
BACKGROUND: Staghorn calculi are well-established risk factors for recurrent urinary tract infections (UTIs) and subsequent renal deterioration. Less commonly, long-term urothelial irritation from a calculus may also pose a risk of malignant transformation. CASE PRESENTATION: A 77-year-old male with multiple medical comorbidities presented with a chronic right renal pelvic staghorn calculus and findings concerning for emphysematous pyelonephritis. He was subsequently taken to the operating room for a planned laparoscopic right nephrectomy...
2016: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/27440484/percutaneous-nephrolithotomy-in-the-superobese-a-comparison-of-outcomes-based-on-body-mass-index
#9
Casey A Dauw, Michael S Borofsky, Nadya York, James E Lingeman
INTRODUCTION: Percutaneous nephrolithotomy (PCNL) is considered the gold standard for treatment of large renal calculi. Although several investigators have examined the feasibility and outcomes associated with PCNL in obese patients, these studies have been limited by small sample size, lack of a comparator group, or few patients at body mass index (BMI) extremes. We thus compared outcomes of superobese (BMI >50) patients undergoing PCNL vs both an "overweight" and "ideal" cohort. METHODS: We used a prospectively maintained database to identify ideal (BMI 18...
September 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27423749/infrared-spectroscopic-analysis-of-staghorn-calculi-obtained-after-open-renal-surgery-in-a-urology-unit-of-sri-lanka
#10
K S Wijayarathna, G G Weerasingha, A S Weligamage, R Chandrajith, A M Abeygunasekera
The composition of renal stones varies widely among populations. The aim of our study was to determine the composition of staghorn renal stones using Fourier transform infrared (FTIR) spectroscopy in a cohort of Sri Lankan patients. Forty two staghorn calculi removed from kidneys of adult patients during open surgery were analysed. There were 32 men. Nineteen (45%) were calcium oxalate monohydrate (whewellite) stones. Stones containing a mixture of calcium oxalate and calcium hydroxyl phosphate (apatite) were found in 16 (38%)...
June 2016: Ceylon Medical Journal
https://www.readbyqxmd.com/read/27416622/-renal-staghorn-calculi-in-small-children-presentation-of-two-cases
#11
Grażyna Krzemień, Agnieszka Szmigielska, Katarzyna Jankowska-Dziadak, Małgorzata Pańczyk-Tomaszewska
Urolithiasis in children occurs with the incidence of 0.1-5%. Risk factors such as metabolic disorders, recurrent urinary tract infections and/or congenital abnormalities of urinary tract are detected in 75-85% of children with urolithiasis. Staghorn calculi is associated with delayed diagnosis and treatment of urinary tract infection caused by specific organisms, which produce the enzyme urease, promoting generation of ammonia and hydroxide from urea. We present two boys with staghorn calculi recognized in 8th and 31st month of age...
January 2016: Developmental Period Medicine
https://www.readbyqxmd.com/read/27393153/pre-and-postoperative-predictors-of-infection-related-complications-in-patients-undergoing-percutaneous-nephrolithotomy
#12
Marcelino Rivera, Boyd Viers, Patrick Cockerill, Deepak Agarwal, Ramila Mehta, Amy Krambeck
INTRODUCTION: We aim to describe pre- and postoperative predictors of infection-related complications in individuals undergoing percutaneous nephrolithotomy (PCNL). PATIENTS AND METHODS: Patients treated with PCNL from 2009 to 2013 were reviewed. Patients with positive urine or stone cultures received extended antimicrobial treatment. All others received 7 days of empirical therapy preoperatively and postoperatively. Pre- and postoperative predictors of infectious complication were identified...
September 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27368353/prognostic-impact-of-stone-scoring-systems-after-percutaneous-nephrolithotomy-for-staghorn-calculi-a-single-center-s-experience-over-10-years
#13
Sae Woong Choi, Woong Jin Bae, U-Syn Ha, Sung-Hoo Hong, Ji Youl Lee, Sae Woong Kim, Hyuk Jin Cho
INTRODUCTION: To investigate the prognostic factors associated with stone-free rate (SFR) and complications after percutaneous nephrolithotomy (PCNL) for the treatment of staghorn stone and to compare the predictive value and accuracy of three stone-scoring systems for the treatment success of staghorn stone. PATIENTS AND METHODS: We retrospectively reviewed all patients undergoing PCNL at our center from June 2003 to June 2014. On the basis of noncontrast computed tomography (NCCT) scan images, we calculated Guy's score, S...
September 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27264051/mini-percutaneous-nephrolithotomy-with-high-power-holmium-yag-laser-in-pediatric-patients-with-staghorn-and-complex-calculi
#14
Anna Bujons, Félix Millán, Clara Centeno, Esteban Emiliani, Francisco Sánchez Martín, Oriol Angerri, Jorge Caffaratti, Humberto Villavicencio
INTRODUCTION: Shock wave lithotripsy (SWL) is the treatment of choice for most cases of renal lithiasis in children. Some cases, however, are refractory to SWL and may be associated with anatomic and metabolic changes or a large stone burden. In these circumstances, mini-percutaneous nephrolithotomy (mini-PCNL) is an option. OBJECTIVE: The aim was to assess the safety and efficacy of high-power holmium YAG (Ho:YAG) laser in mini-PCNL for staghorn calculi. PATIENTS AND METHODS: The clinical records relating to 35 mini-PCNLs (Table) performed between January 2008 and December 2012 in 33 patients (27 boys and 6 girls; mean age 7 years, range 2-18 years) were retrospectively reviewed...
August 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27235750/wideband-doppler-ultrasound-guided-mini-endoscopic-combined-intrarenal-surgery-as-an-effective-and-safe-procedure-for-management-of-large-renal-stones-a-preliminary-report
#15
Takaaki Inoue, Hidefumi Kinoshita, Shinsuke Okada, Shuzo Hamamoto, Makoto Taguchi, Takashi Murota, Tadashi Matsuda
OBJECTIVE: To evaluate the efficacy and safety of wideband Doppler ultrasound-guided mini-endoscopic combined intrarenal surgery (mini-ECIRS) for large renal stones. MATERIALS AND METHODS: This study included 41 patients with large renal stones (>30 mm) treated by mini-ECIRS using a retrograde flexible ureteroscope and miniature nephroscope by wideband Doppler ultrasound guidance in the modified Valdivia position from January 2013 to September 2015. Surgical parameters, including the stone-free rate, operative time, complications (especially hemorrhagic complications), and hemoglobin drop were recorded and analyzed...
September 2016: Urology
https://www.readbyqxmd.com/read/27173105/percutaneous-nephrolithotomy-using-an-individual-3-dimensionally-printed-surgical-guide
#16
Adam Golab, Tomasz Smektala, Marcin Krolikowski, Marcin Slojewski
Percutaneous nephrolithotomy (PNL) is an endoscopic technique used for treating large stones, multiple stones, and staghorn calculi. Although minimally invasive, complication rate of PNL reaches 25%, and it is partially associated with needle puncture during nephrostomy tract preparation. Continuous improvement of armamentarium and imaging methods and the introduction of three-dimensional (3D) visualizations optimize the procedure; however, the rapid and precise establishment of the nephrostomy tract is still difficult...
May 13, 2016: Urologia Internationalis
https://www.readbyqxmd.com/read/27085559/combined-use-of-pyelolithotomy-and-endoscopy-an-alternative-surgical-treatment-for-staghorn-urolithiasis-in-children
#17
Beata Jurkiewicz, Tomasz Zabkowski, Katarzyna Jobs, Joanna Samotyjek, Anna Jung
PURPOSE: To present a combining pyelolithotomy and endoscopy, an alternative approach for treating staghorn calculi in children. MATERIALS AND METHODS: We treated 1414 children (age, 10 months to 17 years) with urolithiasis between 2009 and 2013 in the Pediatric Surgery Department and in the Pediatrics and Nephrology Department, Military Institute of Medicine in Warsaw. Most patients were treated conservatively. In 162 cases, an extracorporeal shockwave lithotripsy (SWL) procedure was needed...
March 2016: Urology Journal
https://www.readbyqxmd.com/read/27011473/types-of-renal-calculi-and-management-regimen-for-chinese-minimally-invasive-percutaneous-nephrolithotomy
#18
Si-Ping Gu, Guo-Hua Zeng, Zhi-Yuan You, Yi-Jin Lu, Yun-Teng Huang, Qing-Mao Wang, Zhao-Hui He
Strict selection of patients for minimally invasive percutaneous nephrolithotomy could effectively improve the success rate of surgery. This study aimed to understand the required skills and the efficacy of mini-PCNL in the treatment of five types of upper ureteral calculi. Data collected after X-ray analysis and B mode ultrasound from 633 patients with upper ureteral and renal pelvis calculi who underwent B ultrasound-guided lithotomy was reviewed, including the following: type I, upper ureteral or renal pelvis calculi with moderate hydronephrosis (154 cases); type II, upper ureteral or renal pelvis calculi with severe hydronephrosis (157 cases); type III, upper ureteral or renal pelvis calculi without hydronephrosis (61 cases); type IV, renal pelvis calculi, one or two renal calyx calculi (206 cases); and type V, renal staghorn calculi (55 cases)...
December 2015: Indian Journal of Surgery
https://www.readbyqxmd.com/read/26945650/comparison-of-anesthesia-methods-in-treatment-of-staghorn-kidney-stones-with-percutaneous-nephrolithotomy
#19
Ibrahim Buldu, Abdulkadir Tepeler, Mehmet Kaynar, Tuna Karatag, Muhammed Tosun, Tarik Umutogluv, Hakan Tanriover, Okan Istanbulluoglu
PURPOSE: To compare the efficacy and safety of percutaneous nephrolithotomy (PNL) in the treatment of staghorn calculi (SC) under spinal anesthesia (SA) versus general anesthesia (GA). MATERIALS AND METHODS: Patients with SC who treated with PNL from 2011 to 2014 were retrospectively reviewed. In total, 100 patients were divided into 2 groups according to anesthesia type: SA (group 1, n = 47) and GA (group 2, n = 53). Demographics, perioperative parameters, and postoperative analgesic requirements were compared between the two groups...
January 2016: Urology Journal
https://www.readbyqxmd.com/read/26898135/minimally-invasive-percutaneous-nephrolithotomy-versus-endoscopic-combined-intrarenal-surgery-with-flexible-ureteroscope-for-partial-staghorn-calculi-a-randomised-controlled-trial
#20
Jiaming Wen, Gang Xu, Chuanjun Du, Bohan Wang
BACKGROUND: To compare the efficacy and safety of simultaneous percutaneous nephrolithotomy combined with flexible ureteroscopic lithotripsy in Galdakao-Modified Supine Valdivia position (GMSV) with minimally invasive percutaneous nephrolithotomy (MPCNL) for partial staghorn calculi. METHODS: 67 patients with partial staghorn calculi were randomly divided into two groups. In MPCNL Group, conventional MPCNL was performed in the prone position. In the other group, simultaneous combined MPCNL and flexible ureteroscopic lithotripsy (Endoscopic Combined Intra-Renal Surgery, ECIRS) serves as single session treatment in the GMSV position (ECIRS Group)...
April 2016: International Journal of Surgery
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