keyword
https://read.qxmd.com/read/33583746/evaluation-of-the-results-of-laser-endopyelotomy-with-two-different-technique-in-ureteropelvic-junction-obstruction
#1
Haluk Sen, Omer Bayrak, Ali Erdem Yilmaz, Omer Turgut, Mehmet Ozturk, Sakip Erturhan, Ilker Seckiner
INTRODUCTION: Failed pyeloplasty procedures are caused by large amounts of scarring, and peripelvic fibrosis. This finding has been associated with urinary extravasations to the operation, urosepsis or an excessive tissue reaction. The treatment options for secondary UPJO (Ureteropelvic Junction Obstruction) are the same with the options for primary procedures: in cases of very poor renal function, various pyeloplasty forms (open and laparoscopic), and ureterocalicostomy or sometimes nephrectomy may be considered in severe renal function loss...
February 1, 2021: Journal of Pediatric Urology
https://read.qxmd.com/read/33455568/double-puncture-technique-for-management-of-severe-ureteropelvic-obstruction-in-kidney-transplant
#2
Utku Mahir Yildirim
Ureteral obstruction is one of the most common urological complications after kidney transplant. The definitive treatment of ureteral obstruction has been surgical revision. Because of the increased morbidity of surgery, minimally invasive percutaneous procedures have gained more acceptance in recent years. Presently, interventional radiological procedures are recommended as the first step in treatment of ureteral obstructions. Ureteral occlusions or near-occlusion high-grade stenoses require greater catheter backup force...
January 11, 2021: Experimental and Clinical Transplantation
https://read.qxmd.com/read/33392662/percutaneous-thermoablation-of-small-renal-masses-t1a-in-surgical-candidate-patients-oncologic-outcomes
#3
Renato N Zangiacomo, Guilherme L P Martins, Públio C C Viana, Natally Horvat, Marco A Arap, William C Nahas, Miguel Srougi, Giovanni G Cerri, Marcos R Menezes
OBJECTIVE: To evaluate the local tumour progression-free survival (LTPFS), metastasis-free survival (MFS), cancer-specific survival (CSS) and overall survival (OS) of healthy surgical candidates who underwent percutaneous thermoablation (TA) as a first-line therapy for small renal masses (T1a). METHODS: The institutional review board approved this bi-institutional retrospective study of 85 consecutive surgical candidates with 97 biopsy-proven malignant renal masses (T1a) treated with percutaneous TA from 2008 to 2016...
January 3, 2021: European Radiology
https://read.qxmd.com/read/33016819/mini-laparoscopic-pyeloplasty-to-treat-upjo-in-infants
#4
Xu Cui, Yuan-Bin He, Wen-Hua Huang, Liu Chen, Jian-Cai Chen, Chao-Ming Zhou
PURPOSE: The aim of this study was to investigate the safety and clinical efficacy of mini-laparoscopic pyeloplasty in treating ureteropelvic junction obstruction (UPJO) in infants. MATERIAL AND METHODS: We retrospectively analysed the clinical data of 66 infants with UPJO from January 2013 to August 2018 at our hospital. They were divided into the laparoscopic surgery group (group A) and the open surgery group (group B), depending on the surgical method. RESULTS: The bleeding volume, analgesia duration, postoperative hospitalization duration, and incision length in group A were significantly less than those in group B ( p  < ...
October 5, 2020: Minimally Invasive Therapy & Allied Technologies: MITAT
https://read.qxmd.com/read/32775665/postpercutaneous-nephrolithotomy-ureteropelvic-junction-obstruction
#5
Rajendra B Nerli, Vishal Kadeli, Sushant Deole, Aarushi Mishra, Shivagouda Patil, Shridhar C Ghagane, Murigendra B Hiremath, Neeraj S Dixit
Percutaneous endoscopic renal surgery such as percutaneous nephrolithotomy (PCNL) is a safe and effective treatment for patients with large and/or complex renal calculi. However, a unique set of complications can occur with this surgical approach that may involve the targeted kidney and surrounding structures. Renal collecting system obstruction after PCNL is rare, but may result from ureteral avulsion, stricture formation, transient mucosal edema, blood clot, or infundibular stenosis. Impaction of stone and trauma during PCNL could induce stricture formation and obstruction...
2020: Journal of Endourology Case Reports
https://read.qxmd.com/read/32724698/a-case-of-lower-pole-moiety-ureteral-stenosis-close-to-ureteropelvic-junction-in-an-incomplete-duplicated-collecting-system-managed-by-retrograde-balloon-dilatation-that-needed-a-2nd-ureteral-stent-to-the-upper-pole
#6
Seiichi Saito
A 71-year-old woman presented at our institution with the chief complaints of left back pain and fatigue. Radiographic examination revealed left ureteral stenosis close to ureteropelvic junction of the lower-pole with a left incomplete duplicated collecting system. Transurethral retrograde balloon dilatation under general anesthesia was performed, and a ureteral stent was inserted to the lower-pole; however, there was urinary leakage from the upper-pole at the dilated ureteral stenosis lesion, and therefore, another ureteral stent was inserted to the upper-pole just after the first stent insertion...
2020: Case Reports in Urology
https://read.qxmd.com/read/32351114/serum-targeted-hilic-ms-metabolomics-based-analysis-in-infants-with-ureteropelvic-junction-obstruction
#7
Antigoni Pavlaki, Olga Begou, Olga Deda, Evangelia Farmaki, John Dotis, Helen Gika, Anna Taparkou, Nikolaos Raikos, Fotios Papachristou, Georgios Theodoridis, Nikoleta Printza
Ureteropelvic junction obstruction (UPJO) constitutes the predominant cause of obstructive nephropathy in both neonates and infants, with fundamental questions regarding its mechanism, assessment and treatment that remain still unanswered. The aim of this study was to elucidate potential differences through serum metabolic profiling of surgical cases of infants with UPJO compared to both non-surgical cases and healthy age matched controls. Early diagnosis of renal dysfunction in this cohort based on highlighted biomarkers was the ultimate goal...
April 30, 2020: Journal of Proteome Research
https://read.qxmd.com/read/31818677/urinary-polyomavirus-novel-biomarker-of-congenital-ureteropelvic-junction-obstruction
#8
Farahnak Assadi, Mojgan Mazaheri
BACKGROUND: Pregnancy is associated with reactivation and transmission of latent polyomavirus to fetus. Polyomavirus is also known to cause ureteral stenosis and hydronephrosis. OBJECTIVE: The aim of this study was to investigate whether the urinary polyomavirus could be used as a potential biomarker in newborns with ureteropelvic junction obstruction (UPJO). STUDY DESIGN: Urinary polyomavirus virus was measured by PCR in 42 newborn infants with fetal hydronephrosis history...
November 15, 2019: Journal of Pediatric Urology
https://read.qxmd.com/read/31812163/massive-hematuria-due-to-an-autogenous-saphenous-vein-graft-and-urinary-bladder-fistula-in-an-extra-anatomic-iliofemoral-bypass-a-case-report
#9
Luan Jaha, Vlora Ismaili-Jaha, Bekim Ademi, Fahredin Veselaj, Destan Kryeziu, Bujar Gjikolli, Agreta Gecaj-Gashi, Adhurim Koshi, Art Jaha
INTRODUCTION: Gross hematuria caused by rupture of an artery in the urinary tract is a rare but potentially fatal condition. Iliac artery aneurysms, pelvic surgery with radiation, vascular reconstructive surgery, surgery for stenosis of the ureteropelvic junction, and transplantation are reported to be associated with this condition. In the vascular reconstructive surgery group, the most common etiology is rupture of the degenerated artery or synthetic graft in the ureter. CASE PRESENTATION: We present a case of rupture of the small anastomotic pseudoaneurysm at the proximal anastomosis of a right iliofemoral autogenous vein extra-anatomic graft in the urinary bladder...
December 8, 2019: Journal of Medical Case Reports
https://read.qxmd.com/read/31577723/evaluation-of-the-clinical-value-of-retroperitoneal-laparoscopic-pyeloplasty-in-the-treatment-of-ureteropelvic-junction-obstruction-in-infants-a-single-center-experience-involving-22-consecutive-patients
#10
Shilin Zhang, Jierong Li, Chunjing Li, Xumin Xie, Fengsheng Ling, Yongjie Liang, Guoqing Liu
Retroperitoneal laparoscopic pyeloplasty (RLP) is 1 method for treating ureteropelvic junction obstruction (UPJO) in children, but reports are more common in children than in infants younger than 2 years old. The purpose of this study was to evaluate the clinical value of RLP for infants with UPJO.From January 2015 to December 2017, a retrospective analysis of 22 infants aged 2 to 24 (11.95 ± 6.00) months with UPJO who were treated with RLP in our hospital was performed. During the same period, 14 infants who underwent conventional transperitoneal laparoscopic pyeloplasty (TLP) were compared with those who underwent RLP...
October 2019: Medicine (Baltimore)
https://read.qxmd.com/read/31431350/laparoscopic-pediatric-pyeloplasty-using-the-flexdex%C3%A2-articulating-needle-driver-step-by-step-video
#11
A R H Gorgen, M Araldi, A de Oliveira Paludo, A G T da Silva, A J Ghissi, A S Fernandes, P Tavares, T E Rosito, R D Cabral
Ureteropelvic junction (UPJ) stenosis is the most common cause of pathological neonatal hydronephrosis. UPJ obstruction may be treated conservatively in some cases, but surgery is indicated if symptoms occur or renal function deteriorates. Pyeloplasty is the procedure of choice for UPJ stenosis. Pyeloplasty can be performed by open laparoscopic or robotic technique. The laparoscopic technique is safe and may be associated with shorter length of hospital stay and reduced complications. Lately, robotic pyeloplasty has been performed with similar results, adding the benefits of easier suturing maneuverability, but with increased costs...
August 2019: Journal of Pediatric Urology
https://read.qxmd.com/read/31420641/-advances-in-surgical-repair-of-ureteral-injury
#12
S W Xiong, K L Yang, G P Ding, H Hao, X S Li, L Q Zhou, Y L Guo
Ureteral injury can be classified as iatrogenic or traumatic, which represents a rare but challenging field of reconstructive urology. Due to their close proximity to vital abdominal and pelvic organs, the ureters are highly susceptible to iatrogenic injury, while ureteral injury caused by external trauma is relatively rare. The signs of ureteric injury are difficult to identify initially and often present after a delay. The treatment of ureteral injury, which is depended on the type, location, and degree of injury, the time of diagnosis and the patient's overall clinical condition, ranges from simple endoscopic management to complex surgical reconstruction...
August 18, 2019: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://read.qxmd.com/read/31331808/the-efficacy-of-unilateral-laparoscopic-nephrectomy-in-the-pediatric-hypertensive-patient
#13
K R Sheth, J Anaissie, S J Patel, J T White, A Seth
BACKGROUND: Secondary hypertension due to a poorly functioning or non-functional kidney may be refractory to medical management. In such cases, nephrectomy can improve or cure hypertension. With the routine use of laparoscopy, nephrectomy can be performed in a minimally invasive manner, but surgery still carries inherent risks and complications. OBJECTIVE: The objective of this study is to evaluate the outcomes of laparoscopic nephrectomy performed for secondary hypertension and identify potential predictors of postoperative hypertension resolution...
October 2019: Journal of Pediatric Urology
https://read.qxmd.com/read/31316627/ultrasound-evaluation-for-prediction-of-outcomes-and-surgical-decision-in-fetal-hydronephrosis
#14
Dan Zhang, Xielu Sun, Xiaole Chen, Beibei Yu, Tianran Li, Yueyue Cheng, Manjing Ye, Lingling Lin, Lie Ma, Yaping Zhao, Pihong Li
Fetal hydronephrosis (HY) is a frequent congenital condition, which may be detected by prenatal ultrasound. Society for Fetal Urology (SFU) and anterior-posterior diameter (APD) grading are two major grading systems based on ultrasonography. The present study aimed to assess the predictive value of the SFU and APD grades in patients with fetal HY. A total of 162 patients with 234 kidneys affected by HY were included in the present study. The SFU and APD grades were determined from the ultrasound images at 38 gestational weeks, and a 12-month follow-up was performed after birth...
August 2019: Experimental and Therapeutic Medicine
https://read.qxmd.com/read/31297321/minimally-invasive-open-dismembered-pyeloplasty-technique-miniature-incision-muscle-splitting-dissection-and-nopelvis-reduction-in-children
#15
Farzaneh Sharifiaghdas, Mahboubeh Mirzaei, Azar Daneshpajooh, Shahin Abbaszadeh
Objective: To report the outcomes and complications of open dismembered Anderson-Hynes pyeloplasty with miniature incision in treating children's ureteropelvic junction obstruction. Methods: Between March 2007 and April 2011, 109 children with a mean age of 2 years and 8 months old with ureteropelvic junction obstruction underwent open dismembered pyeloplasty. Clinical manifestations, radiographic assessments, incision size, surgery time, hospital stay, and complication rate were recorded...
July 2019: Asian Journal of Urology
https://read.qxmd.com/read/31291636/reverse-tubularized-pelvis-flap-method-in-the-treatment-of-long-segment-ureteropelvic-junction-obstruction
#16
Haluk Sarihan, Hatice Sonay Yalcin Comert, Mustafa İmamoğlu, Dilek Basar
OBJECTIVE: The most common cause of urinary obstruction is ureteropelvic junction (UPJ) obstruction. In short stenosis, a dismembered pyeloplasty is performed, but for long segment stenosis, the procedure is not well defined. We present the reverse flap ureteroplasty method, which we prepared from the pelvis for use in long segment UPJ obstruction. METHODS: Between 2007 - 2016, we operated on 6 cases (4 males, 2 females) with an age range of 2 - 6 months. After reaching the UPJ region, depending on the length of the long segment obstruction, a flap measuring 25 - 35 mm in length was prepared from the pelvis so that its width would be 10 - 12 mm on the pelvis side and 10 mm in the distal portion...
July 11, 2019: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://read.qxmd.com/read/30793470/okamoto-syndrome-has-features-overlapping-with-au-kline-syndrome-and-is-caused-by-hnrnpk-mutation
#17
Nobuhiko Okamoto
Okamoto syndrome is characterized by severe intellectual disability, generalized hypotonia, stenosis of the ureteropelvic junction with hydronephrosis, cardiac anomalies, and characteristic facial gestalt. Several patients have been reported. The basic mechanism of Okamoto syndrome has not been clarified. Au-Kline syndrome is a new syndrome due to loss-of-function variants in the HNRNPK (heterogeneous nuclear ribonucleoprotein K) gene. A new patient with Okamoto syndrome visited our hospital. We noticed that the patient had features overlapping with Au-Kline syndrome...
February 21, 2019: American Journal of Medical Genetics. Part A
https://read.qxmd.com/read/30615568/mini-laparoscopic-management-of-ureteropelvic-junction-obstruction-in-adults-and-children-a-high-volume-case-series
#18
Nasser Simforoosh, Anahita Ansari Djafari, Hamidreza Shemshaki, Behnam Shakiba, Alireza Golshan, Milad Bonakdar
Purpose: We retrospectively reviewed the perioperative outcomes of mini-laparoscopic procedure in the treatment of ureteropelvic junction obstruction (UPJO) in children and adults. Methods: From August 2009 to March 2017, 229 patients referred to our center to repair UPJO by mini-laparoscopic operation. In 203 cases, dismembered pyeloplasty was accomplished, while in other 26 cases, crossing aberrant vein division and crossing artery upward transposition were performed. A follow-up renal ultrasound was done on the cases 3 and 6 months after surgery...
June 2019: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://read.qxmd.com/read/29775448/pyonephrosis-as-the-first-symptom-of-congenital-hydronephrosis-in-a-6-year-old-girl
#19
Teresa Dudek-Warchoł, Stanisław Warchoł, Przemysław Bombiński, Krzysztof Toth, Agnieszka Szmigielska, Garżyna Krzemień
Pyonephrosis in the course of hydronephrosis usually provides to total or near-total loss of renal function. In adults pyonephrosis usually results from urolithiasis. In children usually congenital urinary tract anomalies are present as contributing factors. CASE REPORT: 6-year old girl was admitted to the hospital because of 2-day history of high fever, abdominal pain, progressive deterioration of general condition and ultrasonographically (US) detected left hydronephrosis. US on admission showed grossly dilated left renal collecting system together with extensive echogenic debris and laboratory tests highly elevated inflammatory markers...
April 23, 2018: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://read.qxmd.com/read/29244271/laparoscopic-dismembered-pyeloplasty-combined-with-port-entrance-flexible-renoscopic-lithotripsy
#20
Kaan Gokcen, Gokhan Gokce, Gokce Dundar, Resul Cicek, Halil Gulbahar, Emin Yener Gultekin
INTRODUCTION: Ureteropelvic junction obstruction and concomitant calculus disease may coexist. We demonstrate our use of flexible renoscopy during laparoscopic pyeloplasty for caliceal stone removal. PATIENT AND METHODS: A 28-year-old female patient presented with recurrent attacks of flank pain of two years duration. When noncontrast-CT and DTPA were performed, the patient was diagnosed with ureteropelvic junction stenosis and 3 stones with a total burden of 14mm in the lower pole of right kidney...
September 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
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