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Urinary bladder ultrasound

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https://www.readbyqxmd.com/read/28227419/an-automated-bladder-volume-measurement-algorithm-by-pixel-classification-using-random-forests
#1
Pavan Annangi, Sigmund Frigstad, S B Subin, Anders Torp, Sundararajan Ramasubramaniam, Srinivas Varna, Pavan Annangi, Sigmund Frigstad, S B Subin, Anders Torp, Sundararajan Ramasubramaniam, Srinivas Varna, Sundararajan Ramasubramaniam, Anders Torp, Srinivas Varna, Sb Subin, Pavan Annangi, Sigmund Frigstad
Residual bladder volume measurement is a very important marker for patients with urinary retention problems. To be able to monitor patients with these conditions at the bedside by nurses or in an out patient setting by general physicians, hand held ultrasound devices will be extremely useful. However to increase the usage of these devices by non traditional users, automated tools that can aid them in the scanning and measurement process will be of great help. In our paper, we have developed a robust segmentation algorithm to automatically measure bladder volume by segmenting bladder contours from sagittal and transverse ultrasound views using a combination of machine learning and active contour algorithms...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222149/ultrasonographic-evaluation-of-urinary-tract-morbidity-in-school-aged-and-preschool-aged-children-infected-with-schistosoma-haematobium-and-its-evolution-after-praziquantel-treatment-a-randomized-controlled-trial
#2
Beatrice Barda, Jean T Coulibaly, Christoph Hatz, Jennifer Keiser
BACKGROUND: Schistosoma haematobium infections are responsible for significant urinary tract (UT) complications. Schistosomiasis control programs aim to reduce morbidity, yet the extent of morbidity in preschool-aged children and the impact of treatment on morbidity reduction are not well studied. METHODOLOGY: Our study was embedded in a randomized, placebo-controlled, single-blind trial in Côte d'Ivoire, which evaluated the efficacy and safety of three doses (20, 40 and 60 mg/kg) of praziquantel in school-aged (SAC) and preschool-aged (PSAC) children infected with S...
February 21, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28215835/the-swedish-infant-high-grade-reflux-trial-uti-and-renal-damage
#3
Josefin Nordenström, Sofia Sjöström, Ulla Sillén, Rune Sixt, Per Brandström
INTRODUCTION: High-grade vesicoureteral reflux (VUR) in children is associated with recurrent urinary tract infection (UTI) and renal damage. Breakthrough UTI despite continuous antibiotic prophylaxis (CAP) during the first years of life is a matter of concern and evokes early intervention. We investigated whether early endoscopic treatment (ET) of VUR grade 4-5 can reduce the risk of UTI recurrence and renal scarring. MATERIALS AND METHODS: This prospective, randomized, controlled, multicentre, 1-year follow-up trial comprised 77 infants, <8 months of age with VUR grade 4-5 (Table) randomized to CAP (n = 39) or ET (with prophylaxis until resolution) (n = 38)...
February 2, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28215830/initial-urological-evaluation-and-management-of-children-with-neurogenic-bladder-due-to-myelomeningocele
#4
Cristian Sager, Carol Burek, Juan Pablo Corbetta, Santiago Weller, Javier Ruiz, Ramiro Perea, Enrique Lago, Yesica Gomez, Victor Durán, Juan Carlos López
INTRODUCTION: The proactive management of children with myelomeningocele (MMC) has contributed to decreasing their progression to end-stage renal disease, thanks to early urological evaluation and timing implementation of treatments. OBJECTIVE: To demonstrate that early urological evaluation of the urinary tract in MMC shows functional alterations in most cases, and that it requires medical intervention, even when in some cases the complementary imaging studies do not show any abnormalities...
January 30, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28213799/the-hybrid-technique-of-pelvic-organ-prolapse-treatment-apical-sling-and-subfascial-colporrhaphy
#5
Dmitry Shkarupa, Nikita Kubin, Alexey Pisarev, Anastasiya Zaytseva, Ekaterina Shapovalova
INTRODUCTION AND HYPOTHESIS: The majority of patients with cystocele undergoing reconstructive surgery have combined defects of pubocervical fascia and uterosacral/cardinal ligament complex. In this regard, the simultaneous correction of both defects is rational. Furthermore, decreasing the use of synthetic materials in pelvic floor surgery is an important goal. The aim was to evaluate the objective and subjective cure rate of a hybrid technique: bilateral sacrospinous fixation using modern monofilament synthetic tape (apical sling) combined with the original technique of subfascial colporrhaphy...
February 17, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28210025/vascular-lipoleiomyoma-of-the-uterus-an-unusual-case
#6
Vesna Chibisheva, Vesna Antovska, Milka Trajanova, Drage Dabeski, Rubens Jovanovic, Ivana Kijajova
INTRODUCTION: Uterine lipoleiomyomas are a rare type of uterine myomas, which have been seldom diagnosed and are less known and still unusual. Histologically they are composed of smooth muscle cells with multiple fat cells and fibrous tissue. Their pathogenesis is still a stigmata and their preoperative diagnosis is still questionable. CASE REPORT HISTORY: A 39-year old woman presented at the University clinic for obstetrics and gynecology with complaints of a mild low abdominal and pelvic pain, increased frequency of vaginal bleeding and abdominal distension...
December 2016: Medical Archives
https://www.readbyqxmd.com/read/28178975/evaluation-of-dogs-with-genetic-hyperuricosuria-and-urate-urolithiasis-consuming-a-purine-restricted-diet-a-pilot-study
#7
Jodi L Westropp, Jennifer A Larsen, Eric G Johnson, Dannika Bannasch, Andrea J Fascetti, Vincent Biourge, Yann Queau
BACKGROUND: Urate urolithiasis is a common problem in breed homozygous for the mutation that results in hyperuricosuria. Low purine diets have been recommended to reduce purine intake in these dogs. METHODS: A higher protein, purine restricted diet with water added was evaluated in dogs with genetic hyperuricosuria and a history of clinical urate urolithiasis over a one year time period. Dogs were evaluated at baseline and 2, 6, and 12 months after initiating the test diet...
February 8, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28139845/valsalva-versus-straining-there-is-a-distinct-difference-in-resulting-bladder-neck-and-puborectalis-muscle-position
#8
Kaven Baessler, Melanie Metz, Baerbel Junginger
AIMS: To assess the effects of the Valsalva manoeuvre versus straining on bladder neck (BN) and puborectalis muscle (PR) position, BN stiffness and pelvic floor muscle (PFM) activation in urinary incontinent women and healthy continent controls. METHODS: We recruited 17 continent and 85 incontinent women. A Microtip transducer measured urethral and vesical/abdominal pressures. A surface EMG electrode attached to a sponge was placed vaginally at the pelvic floor level...
January 31, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28138409/the-standards-of-an-ultrasound-examination-of-the-prostate-gland-part-1
#9
REVIEW
Janusz F Tyloch, Andrzej Paweł Wieczorek
The article discusses the principles of the proper performance of the ultrasound examination of the prostate gland. The paper has been divided into two parts: the general one and the detailed one. The first part presents the necessary requirements referring to the ultrasound apparatus for performing transabdominal examinations of the urinary bladder and the prostate gland as well as for transrectal examinations of the prostate gland. The paper also describes the techniques of performing both examinations together with the methods of measuring the capacity of the urinary bladder and the volume of the prostate gland...
December 2016: Journal of Ultrasonography
https://www.readbyqxmd.com/read/28138408/kidney-ultrasound-what-is-important-for-a-urologist
#10
REVIEW
Tomasz Szopiński, Elżbieta Keller, František Záťura
Kidney ultrasound is one of the basic procedures in the practice of a urologist. Apart from the location and the size, description of renal morphology should contain the thickness of the anterior lip parenchyma in a transverse section and the location of possible narrowings. Uneven outline of the kidney is a sign of past inflammatory conditions. In the case of the pelvicalyceal system dilation, it is advised to specify the dimensions of the pelvis and calyces. Convex shape of the calyces proves elevated pressure within the pelvicalyceal system...
December 2016: Journal of Ultrasonography
https://www.readbyqxmd.com/read/28126017/ruptured-aortic-aneurysm-due-to-mycobacterium-bovis-bcg-with-a-delayed-bacteriological-diagnosis-due-to-false-negative-result-of-the-mpb-64-immunochromatographic-assay
#11
J Simar, L Belkhir, B Tombal, E André
BACKGROUND: Adjuvant therapy with bacillus Calmette-Guerin (BCG), a live attenuated strain of Mycobacterium bovis, has become the treatment of choice for low-risk superficial bladder carcinoma following transurethral resection of the bladder. Complications following vesical BCG instillations are uncommon but, in some cases, severe side-effects can occur such as sepsis or mycotic aneurysm. Besides usual laboratory techniques used for the diagnosis of Mycobacterium tuberculosis complex (MTBC) infections (smear microscopy and cultures), commercial immunochromatographic assays detecting MBP64, a 24 kDa M...
January 26, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28120449/correlation-between-advanced-glycation-end-products-lower-urinary-tract-symptoms-and-bladder-dysfunctions-in-patients-with-type-2-diabetes-mellitus
#12
Alessandro Galì, Giuseppe Mucciardi, Salvatore Butticè, Enrica Subba, Carmela D'Amico, Francesco Lembo, Carlo Magno
OBJECTIVES: To explore whether serum and urinary advanced glycation end-products (AGEs) are related to urinary symptoms and bladder dysfunctions in diabetic patients. METHODS: Forty-seven patients with type 2 Diabetes mellitus (T2DM) and lower urinary tract symptoms (LUTS) were enrolled. LUTS evaluation was performed by IPSS (International Prostatic Symptoms Score), QoL (quality of life), OAB (overactive bladder). ICI-SF (International Consultation on Incontinence - short form) quaestionneires; ultrasound examination, evaluation of postvoid residual (PVR), uroflowmetry, cystometry with pressure-flow study (PFS) were performed to detect bladder dysfunctions...
January 2017: Lower Urinary Tract Symptoms
https://www.readbyqxmd.com/read/28117816/a-murine-orthotopic-bladder-tumor-model-and-tumor-detection-system
#13
Sin Mun Tham, Kesavan Esuvaranathan, Ratha Mahendran
This protocol describes the generation of bladder tumors in female C57BL/6J mice using the murine bladder cancer cell line MB49, which has been modified to secrete human Prostate Specific Antigen (PSA), and the procedure for the confirmation of tumor implantation. In brief, mice are anesthetized using injectable drugs and are made to lay in the dorsal position. Urine is vacated from the bladder and 50 µL of poly-L-lysine (PLL) is slowly instilled at a rate of 10 µL/20 s using a 24 G IV catheter. It is left in the bladder for 20 min by stoppering the catheter...
January 12, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28116202/mixed-botryoid-and-spindle-cell-bladder-rhabdomyosarcoma-an-outstanding-pediatric-case
#14
Tommaso Alterio, Roberto Chimenz, Salvatore Arena, Giovanni Conti, Sabrina Cardile, Carmelo Romeo, Carmelo Salpietro, Carmelo Fede
We report a case of a 3-year-old North African child, initially assessed for nonspecific urinary symptoms such as haematuria and burning urination. The ultrasound evaluation showed a vegetating mass occupying the lumen with weak vascular signs at the Colour-Doppler evaluation. An explorative cystoscopy was performed and it revealed a nonbleeding lesion, white in colour, pedunculated, projecting into the lumen, and associated with a brown satellite formation. Histological examination showed a mixed Botryoid and Spindle Cell Rhabdomyosarcoma...
2017: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/28089812/clinical-manifestations-and-outcomes-in-surgically-managed-gartner-duct-cysts-1
#15
Adela G Cope, Shannon Laughlin-Tommaso, Abimbola Famuyide, John B Gebhart, Matthew R Hopkins, Daniel M Breitkopf
STUDY OBJECTIVE: Gartner duct cysts (GDC) are rare embryological remnants of the mesonephric duct with the majority of cases discovered incidentally in asymptomatic patients. The largest prior published series evaluating surgical management of GDC included 4 patients. The present study aims to determine the manifestations and outcomes of surgically managed patients with GDC with important implications for surveillance, monitoring, and management of patients. DESIGN: Retrospective chart review DESIGN: Classification: Canadian Task Force Classification III SETTING: Tertiary care center PATIENTS: All women diagnosed with GDC from 1/1994-4/2014 at our institution were identified...
January 12, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28079568/two-dimensional-and-three-dimensional-transperineal-ultrasound-findings-in-women-with-high-pressure-voiding-after-midurethral-sling-placement
#16
Kindra Larson, Lauren Scott, Tina D Cunningham, Yili Zhao, Alfred Abuhamad, Peter Takacs
OBJECTIVES: The aim of this study was to evaluate dynamic two-dimensional (2D) and 3D transperineal pelvic ultrasound findings with urodynamic studies in women with lower urinary tract symptoms after midurethral sling placement. METHODS: On 2D images, the sling position, and on 3D imaging the sling angle, urethral diameter, urethral height, and urethral cross sectional area were recorded with and without Valsalva. Patients were categorized into 3 groups based on 2D imaging: group 1-at rest, the sling lies parallel to the urethral lumen, and during Valsalva, the sling becomes C shaped; group 2-both at rest and during Valsalva, the sling runs parallel to the urethral lumen; group 3-at rest, the sling is C shaped, and during Valsalva, this curved shape is maintained...
January 18, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28051043/experience-with-neonatal-hydrometrocolpos-in-the-niger-delta-area-of-nigeria-upsurge-or-increased-recognition
#17
Philemon Ekemenye Okoro, C Obiorah, C E Enyindah
BACKGROUND: Hydrometrocolpos (HMC) is a clinical condition in which there is a cystic distension of the vagina (hydrocolpos), uterus and sometimes, fallopian tubes (hydrosalpinx) with fluid. This study described our experience with cases of HMC seen in our practice, and highlighted the flare in our practice. PATIENTS AND METHODS: A retrospective study of cases of HMC managed at the University of Port Harcourt Teaching Hospital between September 2010 and August 2012...
October 2016: African Journal of Paediatric Surgery: AJPS
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
#18
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/28034440/-urothelial-tumors-in-children
#19
REVIEW
Christine Grapin-Dagorno, Matthieu Peycelon, Pascale Philippe-Chomette, Dominique Berrebi, Alaa El Ghoneimi, Daniel Orbach
Urothelial tumors are very rare in children (to date, only about 150 cases have been reported worlwide). Only 20% occur before the age of ten. The aim of this study is to specify the clinicopathologic features of urothelial tumor in young patients, which require a slightly different approach to treatment. On the basis of the WHO/ISUP (World Health Organisation/International Society of Urological Pathology) consensus classification report, these lesions are usually low-grade lesions, non invasive, and rarely recurrent...
February 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/27990422/premature-destruction-of-microbubbles-during-voiding-urosonography-in-children-and-possible-underlying-mechanisms-post-hoc-analysis-from-the-prospective-study
#20
Maciej Piskunowicz, Dominik Swieton, Dorota Rybczynska, Arkadiusz Szarmach, Edyta Szurowska, Menno Pruijm
The aim of this study is to describe premature microbubbles destruction with contrast-enhanced voiding urosonography (ce-VUS) in children using 2nd-generation ultrasound contrast agents (UCA) and to hypothesize about the reason. 141 children (61 females and 80 males) were included in the study, with mean age of 3.3 years (range 4 weeks-16.0 years), who underwent ce-VUS examination between 2011 and 2014. Premature destruction of the microbubbles in the urinary bladder during ce-VUS was observed in 11 children (7...
2016: BioMed Research International
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