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https://www.readbyqxmd.com/read/28530630/-laparoscopic-management-of-ureteroileal-stenosis-long-term-follow-up
#1
Esteban Emiliani, Pavel Gavrilov, Olga Mayordomo, Josep Salvador, Joan Palou, Antonio Rosales, Humberto Villavicencio
OBJECTIVE: To describe the laparoscopic approach for uretero-ileal anastomosis strictures and to analyse our long term series. METHODS: A retrospective review was performed evaluating our series of patients with benign ureteroileal anastomosis strictures treated laparoscopically from 2011 to 2017. Demographics and perioperative data were obtained and analyzed. Complications were described with the Clavien-Dindo classification. The surgical technique was described and a literature review was performed...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530629/-laparoendoscopic-single-site-less-ureteral-reimplantation
#2
Pedro M Cabrera Castillo, Felipe Cáceres Jiménez
OBJECTIVE: To present in detail our surgical technique and to show our initial experience with ureteral reimplantation using the transumbilical LESS approach to treat patients with ureteral stenosis secondary to various diseases and surgical complications. METHODS: We performed 7 ureteral reimplantations from February 2012, using the multichannel Richard- Wolf (KeyPort) platform placed transumbilical by a small 2-2,5 cm transversal incision. We always use a 3.5 mm minilaparoscopy accessory trocar in the right iliac fossa, that is crucial to perform the laparoscopic suturing safely for the patient and in an optimal time...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530627/-laparoscopic-treatment-of-retroperitoneal-fibrosis
#3
Carlos Hernández Fernández, David Subirá Rios, Mercedes Moralejo Gárate, Elena Rodríguez Fernández, Jorge Caño Velasco, Felipe Herranz Amo
Retroperitoneal fibrosis is a disease that may condition a severe involvement of various organs, mainly upper urinary tract, even causing renal insufficiency. It was first described by Albarran in 1905 and it is also known as Ormonds disease. The correct diagnosis includes, in many cases, the performance of one or more tests: CT scan, MRI, renal scan, etc. It is often necessary the insertion of double J catheters on percutaneous nephrostomy tubes with the aim to preserve renal function. Initial treatment is medical, based on corticoids, and , less frequent, immunosuppressive or chemotherapy drugs...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28510805/interventional-radiology-in-iatrogenic-ureteral-leaks-case-series-and-literature-review
#4
Claudia Trombatore, Giuseppe Giordano, Vincenzo Magnano San Lio
Iatrogenic ureteral injuries are a dramatic complication in medical practice. Nowadays there are no universal guidelines for their management. The aim of our study was to evaluate the feasibility of the percutaneous treatment in restoring ureteral integrity in 19 patients that came to our attention. In each case retrograde stenting failed and patients were candidates for re-surgery. Our strategy consists of two phases. The first step is the nephrostomy that allows an external urinary diversion putting dry the damaged ureteral segment...
May 16, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28479758/ureteric-injury-during-transvaginal-oocyte-retrieval-tvor-and-review-of-literature
#5
Rana A Choudhary, Neelam M Bhise, Alap V Mehendale, Kedar N Ganla
We report a case of ureteric injury during transvaginal oocyte retrieval (TVOR), which was identified immediately (on the operation table) and managed successfully in the same sitting. A 28-year-old woman with primary infertility underwent in-vitro fertilisation (IVF) in a private centre. Because of the policy of doing an ultrasonography post-procedure, she was diagnosed immediately with vaginal vault haematoma and ureteric injury. A double-J catheter was inserted under cystoscopic guidance. A major complication was averted by the timely diagnosis of ureteric injury and its appropriate management...
January 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28478732/magnetic-ureteral-stent-removal-without-cystoscopy-a-randomised-controlled-trial
#6
Marie-Claire Charlotte Rassweiler, Maurice Stephan-Michel, Manuel Ritter, Patrick Honeck
Ureteral stenting is a common procedure in urology. The cystoscopic removal of ureteral stents (DJ) causes unpleasant side effects with a negative impact on patient's quality of life. The aim of our study was to evaluate this newly developed magnetic DJ and compare it to a standard DJ regarding quality of life with indwelling DJs as well as discomfort during the removal. MATERIAL AND METHODS: The magnetic DJ (Blackstar, Urotech (Achenmühle, Germany)) is a standard 7 french ureteral stent with a small magnetic cube fixed via a string on the loop of the distal part of the stent...
May 6, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28420014/-febrile-urinary-tract-infections-when-are-they-an-emergency
#7
Evi Comploj, Armin Pycha
Urinary tract infections should be suspected in every febrile infant until proven otherwise. While older children and adolescents mostly present with classical features such as dysuria, flank pain and/or abdominal pain, secondary enuresis or pollakiuria, diagnosing infants or newborns, who are incapable of describing or pinpointing pain, can be much more challenging. As such, an infection with gradual and subtle onset may result in fulminant disease and emergency situations. In children with urinary tract infections and known mechanical or functional obstructions of the urinary tract, adequate drainage of the infected urinary tract may be necessary (e...
February 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28392131/modern-flexible-ureteroscopy-in-cohen-cross-trigonal-ureteral-reimplantations
#8
Esteban Emiliani, Michele Talso, Marie Audouin, Olivier Traxer
PURPOSE: We describe a feasible flexible ureteroscopy (fURS) technique with the latest instruments to and to discuss their advantages. METHODS: Three patients underwent a fURS for stone treatment. A 7F angled orifice catheter and a hydrophilic angled tip stiff wire is used to guide the wire in the proper ureteral direction sighting the ureter allowing the use of a 10/12 ureteral access sheath. A single use ureteroscope was used. RESULTS: All of them had successful ureteral access and laser lithotripsy being stone free endoscopically...
March 24, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28366657/normal-porcine-ureter-retains-lumen-wall-integrity-but-not-patency-following-catheter-directed-irreversible-electroporation-imaging-and-histologic-assessment-over-28-days
#9
Govindarajan Srimathveeravalli, Francois Cornelis, Thomas Wimmer, Sebastien Monette, Simon Y Kimm, Majid Maybody, Stephen B Solomon, Jonathan A Coleman, Jeremy C Durack
PURPOSE: To evaluate the effect of catheter-directed irreversible electroporation (IRE) on the integrity, patency, and function of the normal porcine ureter. MATERIALS AND METHODS: A catheter-mounted electrode was used to perform fluoroscopy-guided IRE in 8 healthy pigs. Two unilateral ablations (90 pulses at 2,000 V, 100 μs) were performed in each animal in the proximal and distal ureter. Serum creatinine measurements and contrast-enhanced computed tomography imaging were performed at 1, 7, 14, 21, and 28 days after IRE, and findings were compared with baseline values by Student t test...
June 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28363806/novel-role-of-insulin-in-the-regulation-of-glucose-excretion-by-mourning-doves-zenaida-macroura
#10
Karen L Sweazea, Eldon J Braun, Richard Sparr
In mammals, insulin primarily lowers plasma glucose (PGlu) by increasing its uptake into tissues. Studies have also shown that insulin lowers PGlu in mammals by modulating glomerular filtration rate (GFR). Birds have naturally high PGlu and, although insulin administration significantly decreases glucose concentrations, birds are resistant to insulin-mediated glucose uptake into tissues. Since prior work has not examined the effects of insulin on GFR in birds, the purpose of the present study was to assess whether insulin can augment renal glucose excretion and thereby lower PGlu...
February 20, 2017: Zoology: Analysis of Complex Systems, ZACS
https://www.readbyqxmd.com/read/28331167/-percutaneous-fibrin-glue-injection-for-persistent-urinary-leakage-after-partial-nephrectomy-a-case-report
#11
Takuya Okada, Yuka Kono, Keiyu Matsumoto, Noriaki Utsunomiya, Hiroyuki Tsunemori, Mutsushi Kawakita
A 69-year-old man with left atrophic kidney was referred to our hospital because of a 5.7 cm solid mass in the lower pole of right kidney revealed by computed tomography for evaluation of aortic aneurysm. An open transperitoneal partial nephrectomy was performed, and final pathological diagnosis was clear cell carcinoma, grade 2, pT1b, pNx. One month postoperatively, a computed tomography revealed 16 cm retroperitoneal fluid collection which was diagnosed as urinoma due to urinary leakage from partial nephrectomy scar of the right lower calyx...
March 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28306420/ventriculo-ureteral-shunt-insertion-using-percutaneous-nephrostomy-a-novel-minimally-invasive-option-in-a-patient-with-chronic-hydrocephalus-complicated-by-multiple-distal-ventriculoperitoneal-shunt-failures
#12
Ashok Pillai, Georgie Mathew, Sivasankaran Nachimuthu, Sanjeevan Vasudevan Kalavampara
The management of ventriculoperitoneal (VP) shunt failure is a common problem in neurosurgical practice. On occasion, extraperitoneal sites for CSF diversion are required when shunting to the peritoneal cavity has failed after multiple attempts. The authors report a novel minimally invasive procedure allowing cannulation of the ureter for the purpose of ventriculo-ureteral (VU) shunting. Sixteen years prior to presentation, this 46-year-old woman had contracted tuberculous meningitis and had chronic hydrocephalus, with multiple distal shunt failures in recent months...
March 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28306331/intraoperative-radiographic-determination-of-ureteral-length-as-a-method-of-determining-ideal-stent-length
#13
Keith Barrett, Daniela Ghiculete, Robert J Sowerby, Monica Farcas, Kenneth T Pace, Richardson John D'Arcy Honey
INTRODUCTION: Accurate determination of ureteral length (UL) and appropriate stent length remains a challenge. The objective of this study was to describe an intraoperative technique to measure UL and determine appropriate stent length, and to compare this technique with other methods of determining appropriate stent length. METHODS: Patients undergoing ureteroscopy requiring postoperative stenting and who had a preoperative CT were prospectively identified. Gender, age, height, body mass index, L1 to L5 lumbar height on CT, and surgeon's estimate of UL were recorded...
April 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28306195/influence-of-caudal-block-on-postoperative-oliguria-in-infants-undergoing-bilateral-ureteroneocystostomy-a-retrospective-analysis
#14
Hyun Jeong Lee, Yong Seon Choi, Bon-Nyeo Koo, Sang Won Han, Young Eun Cho, Young Jae Im, Jae Hoon Lee
BACKGROUND: Caudal block has been widely used in children undergoing genitourinary surgery. However, the influence of caudal block on postoperative oliguria is unclear. AIM: The aim of this study was to assess the effect of caudal block on urinary flow through the reimplanted ureter after ureteroneocystostomy and the incidence of postoperative oliguria in infants. METHODS: This retrospective study analyzed the medical records of 121 infants aged less than 12 months who underwent bilateral ureteroneocystostomy for vesicoureteral reflux at a tertiary medical center...
March 17, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28295676/two-year-old-girl-with-impacted-ureteral-stone-successfully-treated-with-a-single-session-of-combined-percutaneous-nephrostomy-and-ureteroscopy
#15
Teruaki Sugino, Shuzo Hamamoto, Rei Unno, Yoshinobu Moritoki, Takashi Hamakawa, Taku Naiki, Ryosuke Ando, Atsushi Okada, Takahiro Yasui
Impacted stones frequently cause changes in the ureter, including edema of the ureteral wall, stone embedding in the ureteral mucosa or ureteral bending, which often preclude spontaneous passing of the stone and increase the risk of complications during surgery. When stone impaction is suspected preoperatively, management should be adapted accordingly. However, surgical treatment strategies remain controversial in pediatric patients because of the scarcity of cases reported. We describe the case of a 2-year-old girl with a right impacted ureteral stone who presented with gross hematuria and pyuria, but no metabolic risk factors or hematological abnormalities...
April 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28275517/percutaneous-nephrolithotomy-in-complete-supine-flank-free-position-in-comparison-to-prone-position-a-single-centre-experience
#16
Nadeem Sohail, Amjad Albodour, Khalid Mohammed Abdelrahman
OBJECTIVES: To assess the outcomes of performing percutaneous nephrolithotomy (PCNL) in a modified supine position, more feasible for surgeons, anaesthetists, and operating theatre staff, as well as for the patient himself, and evaluating it in comparison to the standard prone position. PATIENT AND METHODS: A retrospective, case-control study was conducted between January 2011 and December 2015. In all, 197 patient's records were reviewed. The initial 101 patients were operated upon in prone position...
March 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/28251123/lighted-ureteral-stents-in-laparoscopic-colorectal-surgery-a-five-year-experience
#17
William P Boyan, Daniel Lavy, Anthony Dinallo, Javier Otero, Annelie Roding, Dustin Hanos, Roy Dressner, Michael Arvanitis
BACKGROUND: Ureteral injuries during colorectal surgery are a rare event, ranging in the literature from 0.28-7.6%. Debate surrounds the use of prophylactic lighted ureteral stents to help protect the ureter during laparoscopic surgery. It has been suggested that they help to identify injuries but do not prevent them. The authors look to challenge this. METHODS: Over 66 months, every laparoscopic or colectomy involving ureteral stents was recorded. Researchers documented any injury to the ureter intraoperatively...
February 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28245541/-one-step-laparoscopic-surgery-for-two-regions-pelvi-ureteric-junction-obstruction-and-mid-ureteral-obstruction-due-to-umbilical-ligament
#18
Yutaro Sasaki, Keito Shiozaki, Kazuyoshi Izumi, Yasuo Kawanishi
The patient first presented with left flank pain at the age of 15. Computed tomography (CT) and ultrasonography performed at that time revealed left hydronephrosis and hydroureter. Mid-ureteral obstruction was suspected,and he underwent balloon catheter dilation of the mid-ureteral obstruction. Hydronephrosis,hydroureter and flank pain improved after surgery. However,at 21 years of age,he again presented with left flank pain. CT and ultrasonography revealed pelvi-ureteric junction obstruction and mid-ureteral obstruction...
January 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28236579/does-ureteral-catheter-insertion-decrease-the-risk-of-urinary-leakage-after-partial-nephrectomy-in-patients-with-renal-cell-carcinoma
#19
Sangjun Yoo, Dalsan You, In Gab Jeong, Cheryn Song, Bumsik Hong, Jun Hyuk Hong, Hanjong Ahn, Choung-Soo Kim
INTRODUCTION: We aimed to evaluate the impact of preoperative ureteral catheter insertion on urinary leakage after partial nephrectomy (PN) in patients with renal cell carcinoma. METHODS: We reviewed the data of 893 patients with renal cell carcinoma who underwent PN and divided them according to ureteral catheter placement. The impact of ureteral catheter placement on postoperative urinary leakage was evaluated by using multivariate analysis. RESULTS: Ureteral catheters were inserted in 397 (44...
February 6, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28207528/idiopathic-retroperitoneal-fibrosis-causing-unilateral-ureteral-and-sigmoid-colon-obstruction-a-case-report
#20
Ting Yan, Yujuan Wang, Zhijun Liu, Xiaolei Zhang, Qian Wu, Mingrong Xi
OBJECTIVE: The present report aimed to present a unique case of idiopathic retroperitoneal fibrosis (RPF) presenting features of unilateral ureteral and sigmoid colon obstruction. RPF is a rare disorder with unclear etiology. CASE REPORT: A 43-year-old female had a 10-day history of lower right abdominal and lumbar pain. Gynecological examination, ultrasound, and computed tomography (CT) were all suggestive of right ovarian tumor. An enhanced CT showed right-sided hydronephrosis...
February 2017: Medicine (Baltimore)
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