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bladder augmentation

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https://www.readbyqxmd.com/read/28058000/vesicovaginal-fistula-presenting-as-a-large-abdominal-pseudocyst-a-rare-case
#1
Gaurav Vinod Kasat, Prakash W Pawar, Ajit S Sawant, Ashwin S Tamhankar
We present a rare case of indirect vesicovaginal fistula (VVF) in a patient with small capacity bladder. The fistula was between abdominal pseudocyst (APC) arising from bladder and vagina - and hence, an indirect VVF. A 35-year-old female had a history of emergency obstetric hysterectomy with iatrogenic bladder injury. Postoperatively, the patient developed VVF and large APC. Patient's micturating cystourethrogram was suggestive of small capacity bladder with bilateral Grade IV vesicoureteral reflux with a well-defined APC arising from superior surface of bladder to L4-L5 lumbar vertebrae...
October 2016: Urology Annals
https://www.readbyqxmd.com/read/28057993/-spiral-cap-ileocystoplasty-for-bladder-augmentation-and-ureteric-reimplant
#2
S Ajit Sawant, Ashwin Sunil Tamhankar, Vikash Kumar, W Pawar Prakash, V Kasat Gaurav, Sumit Bansal
OBJECTIVE: To demonstrate the new technique of Spiral-cap ileocystoplasty for bladder augmentation and simultaneous ureteric reimplant. MATERIALS AND METHODS: Seven patients with small capacity bladder and simultaneous lower ureteric involvement operated in single tertiary care institute over the last 5 years were included in this study. Spiral-cap ileocystoplasty was used in all the patients for bladder augmentation. Proximal part of the same ileal loop was used in isoperistaltic manner for ureteric reimplantation...
October 2016: Urology Annals
https://www.readbyqxmd.com/read/28049497/two-differentially-structured-collagen-scaffolds-for-potential-urinary-bladder-augmentation-proof-of-concept-study-in-a-g%C3%A3-ttingen-minipig-model
#3
Dorothea Leonhäuser, Katja Stollenwerk, Volker Seifarth, Isabella M Zraik, Michael Vogt, Pramod K Srinivasan, Rene H Tolba, Joachim O Grosse
BACKGROUND: The repair of urinary bladder tissue is a necessity for tissue loss due to cancer, trauma, or congenital abnormalities. Use of intestinal tissue is still the gold standard in the urological clinic, which leads to new problems and dysfunctions like mucus production, stone formation, and finally malignancies. Therefore, the use of artificial, biologically derived materials is a promising step towards the augmentation of this specialised tissue. The aim of this study was to investigate potential bladder wall repair by two collagen scaffold prototypes, OptiMaix 2D and 3D, naïve and seeded with autologous vesical cells, as potential bladder wall substitute material in a large animal model...
January 4, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28043107/pregnancy-with-a-successful-vaginal-delivery-following-augmentation-enterocystoplasty-for-ketamine-cystitis-a-case-report
#4
Chiung-Hui Peng, Shang-Jen Chang, Stephen S Yang
A 28-year-old female with a 1-year history of ketamine abuse developed ketamine-associated urinary symptoms that were refractory to conservative treatment after the complete cessation of ketamine use. Smooth voiding with increased bladder capacity and minimal postvoid residual urine volume were achieved by performing an augmentation enterocystoplasty. An uneventful pregnancy with the vaginal delivery of a healthy baby occurred postoperatively.
December 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/28040322/mucosectomy-impairs-ileal-microcirculation-and-results-in-flap-contraction-after-experimental-ileocystoplasty
#5
Raimondo M Cervellione, Daniel Hajnal, Gabreilla Varga, George Rakoczy, Jozsef Kaszaki, David Keene, Anju Goyal, Alan Dickson, Tamas Cserni
INTRODUCTION: Bladder augmentation with demucosalized ileal flap is a promising alternative approach for mucus free bladder augmentation; however, the contraction of the flap is still a major concern. It has been hypothesized that mucosectomy causes ischemic damage, but no direct histological evidence has been found and attention is now focused on the urothelium cover to prevent the exposure of the denuded surface to urine or the use of balloons to keep the flaps distended. OBJECTIVE: Our aim was to study the effect of mucosectomy on the microcirculation of ileal flaps during reverse clam ileocystoplasty using direct intraoperative imaging of the ileum...
November 29, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27979598/how-successful-is-the-transition-to-adult-urology-care-in-spina-bifida-a-single-center-7-year-experience
#6
Konrad M Szymanski, Mark P Cain, Thomas J Hardacker, Rosalia Misseri
INTRODUCTION: Rates of successful transition from adolescent to adult spina bifida (SB) care are unknown. OBJECTIVE: We aimed to assess rates and predictors of successful transition from a multidisciplinary SB clinic to a transitional urology clinic (TUC), or a pediatric or adult urologist. STUDY DESIGN: We retrospectively reviewed patients discharged from a multidisciplinary SB clinic (2006-2012), collecting demographic and clinical data...
November 9, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27936931/characterization-of-urolithiasis-in-patients-following-lower-urinary-tract-reconstruction-with-intestinal-segments
#7
Tracy Marien, Jennifer Robles, Trisha M Kammann, Mustafa Kadihasanoglu, Davis P Viprakasit, S Duke Herrell, Nicole L Miller
PURPOSE: Urinary diversion and augmentation cystoplasty are associated with long-term complications, including metabolic derangements, infectious complications, and urolithiasis. The aim of this series was to characterize upper and lower urinary tract (LUT) calculi in this population. METHODS: A retrospective chart review was performed on all patients with a history of urinary diversion or augmentation cystoplasty who subsequently underwent treatment for urolithiasis between January 1998 and May 2015...
December 20, 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27914585/bladder-augmentation-in-anuric-defunctioned-microbladders-and-a-novel-antireflux-mechanism-for-mitrofanoff-anastomosis-to-the-ileal-patch
#8
Joana Lopes, Andy Robb, Liam McCarthy
BACKGROUND/PURPOSE: Reconstruction of microbladders is a difficult surgical challenge: How can a neobladder be recreated when >90% of the new bladder is augmented patch, and how can a Mitrofanoff conduit be anastomosed when the native bladder is so tiny? This series describes microbladders secondary to anuria and/or diversion that required augmentation. This was done using a de-tubularized ileal segment, and because of the small size of the native bladder, Mitrofanoff anastomosis was performed to the bowel patch (using a novel "Keel Procedure")...
November 13, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27912972/fate-of-males-with-urethral-y-duplication-40-year-long-follow-up-in-8-patients
#9
Mario Lima, Francesca Destro, Neil Di Salvo, Tommaso Gargano, Giovanni Ruggeri
PURPOSE: The spectrum of male urethral duplication is heterogeneous and it includes the Y-duplication. The malformation is rare and there is only a few case series reported in the literature. The management of Y-forms remains challenging for the surgeon and the long-term follow-up is still scarcely investigated. We report our 40-year experience in the management of patients with Y-duplication. MATERIALS AND METHODS: We conducted a restrospective analysis collecting information of patients with urethral Y-duplication treated at our department from April 1975 to April 2015...
November 17, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27905372/-combined-surgery-for-locally-advanced-colorectal-cancer
#10
O I Kit, Yu A Gevorkyan, N V Soldatkina, E N Kolesnikov, V E Kolesnikov, M A Kozhushko, A V Dashkov
AIM: To study the types and early outcomes of combined interventions for locally advanced colorectal cancer. MATERIAL AND METHODS: Since 2009 four hundreds and ninety eight patients underwent surgery in the Rostov Research Institute of Oncology for locally advanced colorectal cancer. Most cases of surgical procedures on adjacent organs included resection of small intestine (23.69%), supravaginal hysterectomy (16.47%), resection of bladder (12.25%), total hysterectomy (11...
2016: Khirurgiia
https://www.readbyqxmd.com/read/27896143/new-avenues-for-reducing-intensive-care-needs-in-patients-with-chronic-spinal-cord-injury
#11
EDITORIAL
Pierre A Guertin
Relatively soon after their accident, patients suffering a spinal cord injury (SCI) begin generally experiencing the development of significant, often life-threatening secondary complications. Many of which are associated with chronic physical inactivity-related immune function problems and increasing susceptibility to infection that repeatedly requires intensive care treatment. Therapies capable of repairing the spinal cord or restoring ambulation would normally prevent many of these problems but, as of now, there is no cure for SCI...
November 4, 2016: World Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/27889222/long-term-follow-up-of-composite-bladder-augmentation-incorporating-stomach-in-a-multi-institutional-cohort-of-patients-with-cloacal-exstrophy
#12
J T Casey, K H Chan, Y Hasegawa, T Large, B Judge, M Kaefer, R Misseri, R C Rink, K Ueoka, M P Cain
INTRODUCTION: Composite bladder augmentation, incorporating gastric and bowel segments, has the theoretical advantage of metabolic neutrality while potentially avoiding the morbidities of gastrocystoplasty, such as hematuria-dysuria syndrome. The most common indication for this operation is a paucity of bowel, such as in cloacal exstrophy. Despite several early descriptive studies of this technique, there are no reports, to date, of long-term follow-up in this population. OBJECTIVE: To describe the outcomes of composite bladder augmentation utilizing stomach in a cohort of cloacal exstrophy patients...
October 28, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27887914/practical-and-functional-classification-of-the-double-urethra-a-variable-complex-and-fascinating-malformation-observed-in-20-patients
#13
M Lima, F Destro, M Maffi, D Persichetti Proietti, G Ruggeri
INTRODUCTION: Urethral duplication is a rare and variable malformation of the urinary tract, with non-univocal and complex management. In addition, different classification schemes have been proposed, but none have considered all the possible variants. OBJECTIVE: To report experience with the management of 20 urethral duplication patients and propose a classification of this anomaly. MATERIALS AND METHODS: A retrospective analysis collecting information regarding 20 patients (Table) with urethral duplication treated at a single institution over the past 40 years...
November 3, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27863071/the-putative-involvement-of-actin-binding-proteins-and-cytoskeleton-proteins-in-pathological-mechanisms-of-ketamine-cystitis-revealed-by-a-prospective-pilot-study-using-proteomic-approaches
#14
Hsueh-Hui Yang, Wei-Jun Zhai, Hann-Chorng Kuo
PURPOSE: Ketamine-induced cystitis (KC) among chronic ketamine young abusers has increased dramatically and it has brought attention for Urologists. The underlying pathophysiological mechanism(s) of KC is still unclear. Therefore, the purpose of this study is to elucidate the possible pathophysiological mechanism(s) of KC through proteomic techniques. EXPERIMENTAL DESIGN: Bladder tissues are obtained from seven patients with KC, seven patients with interstitial cystitis/bladder pain syndrome, and five control subjects who underwent video-urodynamic study followed by augmentation enterocystoplasty to increase bladder capacity...
November 10, 2016: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/27855273/ureteroureterostomy-an-alternative-to-ureteroneocystostomy-in-select-cases-of-pediatric-renal-transplantation
#15
Frank J Penna, Armando J Lorenzo, Walid A Farhat, Hissan Butt, Martin A Koyle
PURPOSE: Ureteroneocystostomy is the standard mode of establishing urinary drainage in renal transplantation. However, donor-to-recipient ureteroureterostomy may be considered in the presence of a challenging bladder or an augmented bladder, or when the donor ureter might be compromised or is too short. This approach also preserves a nonrefluxing system with an orthotopic ureteral orifice. MATERIALS AND METHODS: We retrospectively reviewed the records of all pediatric renal transplantations in which ureteroureterostomy was performed at a single tertiary care pediatric center over the 12-year period from 2004 to 2015...
November 14, 2016: Journal of Urology
https://www.readbyqxmd.com/read/27810645/pre-instillation-of-tumor-microparticles-enhances-intravesical-chemotherapy-of-nonmuscle-invasive-bladder-cancer-through-a-lysosomal-pathway
#16
Xun Jin, Jingwei Ma, Xiaoyu Liang, Ke Tang, Yuying Liu, Xiaonan Yin, Yi Zhang, Huafeng Zhang, Pingwei Xu, Degao Chen, Tianzhen Zhang, Jinzhi Lu, Zhuowei Hu, Xiaofeng Qin, Xiaoyong Zeng, Longcheng Li, Bo Huang
Nonmuscle-invasive bladder cancer (NMIBC) is treated with transurethral resection followed by intravesical chemotherapy. However, drug-resistant tumorigenic cells cannot be eliminated, leading to half of the treated cancers recur with increased stage and grade. Innovative approaches to enhance drug sensitivity and eradicate tumorigenic cells in NMIBC treatment are urgently needed. Here, we show that pre-instillation of tumor cell-derived microparticles (T-MP) as natural biomaterials markedly enhance the inhibitory effects of intravesical chemotherapy on growth and hematuria occurrence of orthotropic bladder cancer in mice...
October 24, 2016: Biomaterials
https://www.readbyqxmd.com/read/27802004/one-staged-reconstruction-of-bladder-exstrophy-in-male-patients-long-term-follow-up-outcomes
#17
Amilcar Martins Giron, Marcos Figueiredo Mello, Paulo Afonso Carvalho, Paulo Renato Marcelo Moscardi, Roberto Iglesias Lopes, Miguel Srougi
INTRODUCTION: The surgical correction of bladder exstrophy remains challenging. In our institution, the repair has evolved from a staged repair to one-stage reconstruction. The one-stage reconstruction includes; bladder closure, Cantwell-Ransley neourethroplasty and abdominoplasty using groin flaps, without the need of pelvic ostheotomies. Repair of urinary continence (UC) and vesicoureteral reflux (VUR) is done after development of the infant. OBJECTIVE: To present our experience of our modified one-stage reconstruction of bla¬dder exstrophy in male patients...
November 2, 2016: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/27798422/epidural-and-transcutaneous-spinal-electrical-stimulation-for-restoration-of-movement-after-incomplete-and-complete-spinal-cord-injury
#18
Winfried Mayr, Matthias Krenn, Milan R Dimitrijevic
PURPOSE OF REVIEW: The Purpose of this review is to outline and explain the therapeutic use of electrical spinal cord stimulation (SCS) for modification of spinal motor output. Central functional stimulation provides afferent input to posterior root neurons and is applied to improve volitional movements, posture and their endurance, control spasticity, and improve bladder function or perfusion in the lower limbs. Clinical accomplishments strongly depend on each individual's physiological state and specific methodical adaptation to that physiological state...
December 2016: Current Opinion in Neurology
https://www.readbyqxmd.com/read/27781020/stem-cells-in-functional-bladder-engineering
#19
REVIEW
Jakub Smolar, Souzan Salemi, Maya Horst, Tullio Sulser, Daniel Eberli
Conditions impairing bladder function in children and adults, such as myelomeningocele, posterior urethral valves, bladder exstrophy or spinal cord injury, often need urinary diversion or augmentation cystoplasty as when untreated they may cause severe bladder dysfunction and kidney failure. Currently, the gold standard therapy of end-stage bladder disease refractory to conservative management is enterocystoplasty, a surgical enlargement of the bladder with intestinal tissue. Despite providing functional improvement, enterocystoplasty is associated with significant long-term complications, such as recurrent urinary tract infections, metabolic abnormalities, stone formation, and malignancies...
September 2016: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/27695206/the-long-term-outcomes-after-staged-repair-of-exstrophy-epispadias-complex
#20
Sajni I Khemchandani
INTRODUCTION: Classic bladder exstrophy (BE) is a rare malformation of the genito-urinary tract affecting 1:50,000 to 1:100,000 live births. The surgical reconstruction of the BE-epispadias complex is challenging for the most experienced pediatric urologists, surgeons, and orthopedists. PURPOSE: To assess the success of staged reconstruction of the BE and long-term effects on the upper urinary tract, renal function, and continence. MATERIALS AND METHODS: This is retrospective study; between 1994 and 2013, 30 patients with BE have undergone stage 1 repair at the institute...
October 2016: Journal of Indian Association of Pediatric Surgeons
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