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https://www.readbyqxmd.com/read/28328190/effects-of-nitric-oxide-inhibitors-in-mice-with-bladder-outlet-obstruction
#1
Marcy Lancia Pereira, Carlos Arturo Levi D'ancona, Julio Alejandro Rojas-Moscoso, Antonio Celso Saragossa Ramos, Fabiola Zakia Monica, Edson Antunes
PURPOSE: To investigate the lower urinary tract changes in mice treated with L-NAME, a non-selective competitive inhibitor of nitric oxide synthase (NOS), or aminoguanidine, a competitive inhibitor of inducible nitric oxide synthase (iNOS), after 5 weeks of partial bladder outlet obstruction (BOO), in order to evaluate the role of constitutive and non-constitutive NOS in the pathogenesis of this experimental condition. MATERIALS AND METHODS: C57BL6 male mice were partially obstructed and randomly allocated into 6 groups: Sham, Sham + L-NAME, Sham + aminoguanidine, BOO, BOO + L-NAME and BOO + aminoguanidine...
March 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28294142/inosine-attenuates-spontaneous-activity-in-the-rat-neurogenic-bladder-through-an-a2b-pathway
#2
Claire Doyle, Vivian Cristofaro, Bryan S Sack, Stefan N Lukianov, Mattias Schäfer, Yeun Goo Chung, Maryrose P Sullivan, Rosalyn M Adam
Neurogenic detrusor overactivity (NDO) is among the most challenging complications of spinal cord injury (SCI). A recent report by us demonstrated an improvement in NDO in SCI rats following chronic systemic treatment with the purine nucleoside inosine. The objective of this study was to investigate the mechanism of action of inosine underlying improvement of NDO. Male Sprague-Dawley rats underwent complete spinal cord transection at T8. Inosine (1 mM) delivered intravesically to SCI rats during conscious cystometry significantly decreased the frequency of spontaneous non-voiding contractions...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28263050/clinical-significance-of-intravesical-prostatic-protrusion-in-the-management-of-benign-prostatic-enlargement-a-systematic-review-and-critical-analysis-of-current-evidence
#3
Malte Rieken, Fabrizio Presicce, Riccardo Autorino, Cosimo De Nunzio
INTRODUCTION: Filling cystometry and pressure flow studies (PFS) are the most widespread used invasive urodynamic techniques in the assessment of male LUTS. However, these techniques are time- and cost-intensive. Intravesical prostatic protrusion (IPP) has been proposed as non-invasive method used to diagnose bladder outlet obstruction (BOO) in men with male lower urinary tract symptoms (LUTS). The purpose of the present review is to analyze the diagnostic and therapeutic relevance of IPP...
March 6, 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/28248041/-urinary-bladder-substitution-using-combined-membrane-based-on-secretions-of-human-mesenchymal-stem-cells-and-type-i-collagen
#4
V I Kirpatovckii, D M Kamalov, A Yu Efimenko, P I Makarevich, G D Sagaradze, O A Makarevich, P P Nimiritskii, E O Osidak, S P Domogatskii, V K Karpov, Z H A Akopyan, V A Tkachuk, A A Kamalov
AIM: Despite the widespread use of intestinal cystoplasty, urinary bladder substitution remains a challenging problem due to the complexity of operations and the potentially high risk of complications. A promising alternative may be bio-engineered collagen-based matrices containing stem cells or their secretions. MATERIAL AND METHODS: To evaluate the effectiveness of this bladder substitution modality, an experiment was conducted on 14 male rabbits. The animals underwent resection of urinary bladder, and the formed defect was substituted with a membrane of type I collagen (series 1, 5 rabbits) or a membrane of the same composition containing a conditioned medium with secretion of mesenchymal stem/stromal cells derived from human adipose tissue (series 2, 5 rabbits)...
December 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28220079/muro-neuro-urodynamics-a-review-of-the-functional-assessment-of-mouse-lower-urinary-tract-function
#5
REVIEW
Hiroki Ito, Anthony E Pickering, Yasuhiko Igawa, Anthony J Kanai, Christopher H Fry, Marcus J Drake
Background: Mouse urodynamic tests are fundamental to understanding normal lower urinary tract (LUT) function. These experiments also contribute to our understanding of neurological dysfunction, pathophysiological processes, and potential mechanisms of therapy. Objectives: Systematic assessment of published evidence on urodynamics, advantages and limitations of different urodynamic measurements in mice, and consideration of potential implications for the clinical field. Methods: A search using specific search-terms for urodynamic studies and mice was conducted on PubMed (from inception to 1 July 2016)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28186672/bladder-transplantation-of-amniotic-fluid-stem-cell-may-ameliorate-bladder-dysfunction-after-focal-cerebral-ischemia-in-rat
#6
Ching-Chung Liang, S W Steven Shaw, Yung-Hsin Huang, Yi-Hao Lin, Tsong-Hai Lee
The objective is to investigate whether human amniotic fluid stem cells (hAFSCs) grafting into the bladder may influence bladder functional and molecular changes in an animal stroke model. Female rats were divided into three groups: sham, middle cerebral artery occlusion (MCAO) alone, and MCAO plus 1 × 10(6) hAFSCs transplanting into bladder wall. Bladder function was analyzed by cystometry at days 3 and 10 after MCAO. The expressions of bladder nerve growth factor (NGF), M2-muscarinic, M3-muscarinic, and P2X1 receptors were measured by immunohistochemistry and real-time polymerase chain reaction...
January 3, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28181685/effects-of-estrogen-receptor-%C3%AE-stimulation-in-a-rat-model-of-non-bacterial-prostatic-inflammation
#7
Shinsuke Mizoguchi, Kenichi Mori, Zhou Wang, Teresa Liu, Yasuhito Funahashi, Fuminori Sato, Donald B DeFranco, Naoki Yoshimura, Hiromitsu Mimata
BACKGROUND: There is increasing evidence showing that chronic non-bacterial prostatic inflammation is involved in the pathogenesis of benign prostatic hyperplasia (BPH) and male lower urinary tract symptoms (LUTS). It has also been reported that estrogen receptor β (ERβ) could have an immunoprotective role in prostatic tissue. Therefore, we investigated the effect of ERβ-activation on not only prostatic inflammation, but also bladder overactive conditions in a rat model with nonbacterial prostatic inflammation...
February 9, 2017: Prostate
https://www.readbyqxmd.com/read/28176494/ultrasound-bladder-wall-thickness-and-detrusor-overactivity-a-multicentre-test-accuracy-study
#8
P Latthe, L Middleton, S Rachaneni, S McCooty, J Daniels, A Coomarasamy, M Balogun, J Duckett, R Thakar, I Goranitis, T Roberts, J Deeks
OBJECTIVE: Women with overactive bladder (OAB) often undergo urodynamics before invasive treatments are considered. Ultrasound measurement of bladder wall thickness (BWT) is a less invasive, less expensive and widely available test. It has the potential to diagnose the presence of detrusor overactivity (DO). We aimed to evaluate the accuracy of BWT in the diagnosis of DO. DESIGN: Prospective cohort study. SETTING: Twenty-two UK clinics (university and district general hospitals)...
February 7, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28169451/an-optimized-transurethral-catheterization-cystometry-in-mice-and-comparison-with-classic-suprapubic-catheterization-cystometry
#9
Zhuoyi Xiang, Yaohui Li, Tingchang Bian, Minke He, Yeqing Xu, Guomin Wang, Jianming Guo, Hang Wang
AIMS: The aim of this study is to establish an optimized, minimally invasive transurethral catheterization cystometry (TUCC) and a novel urethral pressure profile (UPP) measurement for mice. METHODS: The optimized TUCC and the UPP measurement were first established. This optimized TUCC was then performed in 16 anesthetized female mice and compared with the suprapubic catheterization cystometry (SCC) in parallel after suprapubic catheters implantation (SCI; on zero, third, and seventh day, respectively)...
February 7, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28124533/cystometric-analysis-of-the-transplanted-bladder
#10
Jeová Nina Rocha
OBJECTIVE: cystometric evaluation of the bladder after autotransplant and isogeneic transplant in female rats. MATERIAL AND METHODS: two groups were constituted: (A) bladder autotransplant with two subgroups: R1 - (control) and R2 - (bladder transplant); (B) isogeneic bladder transplant with three subgroups; T1 - (control); T2-T3, two subgroups observed for 30 and 60 days after transplant, respectively. All animals underwent cystometric evaluation. Afterwards, the bladders were removed for histological study...
January 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
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
#11
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/28120447/effects-of-sildenafil-a-phosphodiesterase-type-5-inhibitor-on-the-primary-single-afferent-activity-of-the-rat-bladder
#12
Naoki Aizawa, Hiroki Ito, Rino Sugiyama, Tetsuya Fujimura, Hiroshi Fukuhara, Haruki Kume, Yukio Homma, Yasuhiko Igawa
OBJECTIVES: We investigated the direct effects of sildenafil, a phosphodiesterase type 5 inhibitor, on the single-unit mechanosensitive afferent activities (SAAs) primarily originated from the bladder in the rat. METHODS: Female Sprague-Dawley rats were anesthetized with urethane. SAAs were recorded from the left L6 dorsal roots and classified by conduction velocity as Aδ- or C-fibers. A catheter was inserted into the bladder dome, and a separate catheter was placed in the carotid artery and external iliac vein for monitoring of blood pressure and sildenafil-administration, respectively...
January 2017: Lower Urinary Tract Symptoms
https://www.readbyqxmd.com/read/28106785/ketamine-analog-methoxetamine-induced-inflammation-and-dysfunction-of-bladder-in-rats
#13
Qiang Wang, Qinghui Wu, Junpeng Wang, Yang Chen, Guihao Zhang, Jiawei Chen, Jie Zhao, Peng Wu
The novel synthetic psychoactive ketamine analog methoxetamine is reportedly being used for recreational purposes. As ketamine use can result in urinary dysfunction, we conducted the present study to investigate how methoxetamine affects the bladder. A cystometry investigation showed that female Sprague-Dawley rats experienced increased micturition frequency bladder dysfunction after receiving a daily intraperitoneal injection of 30 mg/kg methoxetamine or ketamine for periods of 4 or 12 weeks. Histologic examinations of rat bladder tissue revealed damaged urothelium barriers, as well as evidence of inflammatory cell infiltration and matrix deposition...
January 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28097266/the-effect-of-posture-and-repetition-on-urodynamic-parameters-a-prospective-randomized-study
#14
Ho Joon Jeon, Min Soo Choo, Seung-June Oh
PURPOSE: To evaluate the effect of posture and repetition of filling cystometry on urodynamic parameters. MATERIALS AND METHODS: Seventy-one men with benign prostatic hyperplasia participated in a urodynamic study between September 2015 and August 2016 and were randomly assigned to a supine to supine (group SS, n=16), erect to erect (group EE, n=16), supine to erect (group SE, n=19) or erect to supine (group ES, n=20) group. The patients underwent filling cystometry twice...
January 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28081479/5-year-experience-in-the-diagnosis-and-treatment-of-occult-urinary-incontinence-in-women-with-pelvic-organ-prolapse
#15
Burcin Karamustafaoglu Balci, Funda Gungor Ugurlucan, Cenk Yasa, Onay Yalcin
OBJECTIVE: Our aim was to analyze our five-year experience in the diagnosis and treatment of occult urinary incontinence in women with pelvic organ prolapse. STUDY DESIGN: The medical records of all patients who were admitted to the Division of Urogynecology of Istanbul Faculty of Medicine between January 2008 and December 2013; in total, 1600 patients were retrospectively evaluated. The study population included 287 patients who had prolapse beyond the hymen and underwent two consecutive urodynamic studies with and without prolapse reduction...
January 5, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28060912/early-fesoterodine-fumarate-administration-prevents-neurogenic-detrusor-overactivity-in-a-spinal-cord-transected-rat-model
#16
Xavier Biardeau, Mikolaj Przydacz, Shachar Aharony, George Loutochin, Lysanne Campeau, Maeva Kyheng, Jacques Corcos
BACKGROUND: In spinal cord injury, onset of detrusor overactivity (DO) is detrimental for quality of life (incontinence) and renal risk. Prevention has only been achieved with complex sophisticated electrical neuromodulation techniques. PURPOSE: To assess the efficacy of early fesoterodine fumarate (FF) administration in preventing bladder overactivity in a spinal cord transected (SCT) rat model. METHODS: 33 Sprague-Dawley rats were allocated to 6 groups-Group 1: 3 normal controls; Group 2: 6 SCT controls; Group 3: 6 SCT rats + FF 0...
2017: PloS One
https://www.readbyqxmd.com/read/28052872/fgfr2-is-integral-for-bladder-mesenchyme-patterning-and-function
#17
Youko Ikeda, Irina Zabbarova, Caitlin M Schaefer, Daniel S Bushnell, William C de Groat, Anthony J Kanai, Carlton M Bates
BACKGROUND: While urothelial signals, including sonic hedgehog (Shh), drive bladder mesenchyme differentiation, it is unclear which pathways within the mesenchyme are critical for its development. Studies have shown fibroblast growth factor receptor 2 (Fgfr2) is necessary for kidney and ureter mesenchymal development. OBJECTIVE: Out objective was to determine the role of Fgfr2 in bladder mesenchyme. METHODS: We used Tbx18cre mice to delete Fgfr2 in bladder mesenchyme (Fgfr2BM-/-)...
January 4, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28035695/effects-of-low-energy-shock-wave-therapy-on-inflammatory-moleculars-bladder-pain-and-bladder-function-in-a-rat-cystitis-model
#18
Hung-Jen Wang, Wei-Chia Lee, Pradeep Tyagi, Chao-Cheng Huang, Yao-Chi Chuang
AIMS: Low energy shock wave (LESW) is known to facilitate tissue regeneration with analgesic and anti-inflammatory effects. We examined the effects of LESW on the expression of inflammatory molecules, pain behavior, and bladder function in a rat cystitis model. METHODS: Control and experimental animals were injected with saline or cyclophosphamide (CYP; 75 mg/kg intraperitoneally) on day 1 and 4. After lower midline incision, the bladders were exposed to LESW (300 pulses, 0...
December 30, 2016: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/27999934/detrusor-pressures-in-urodynamic-studies-during-voiding-in-women
#19
Satoru Kira, Takahiko Mitsui, Hideki Kobayashi, Yaburu Haneda, Norifumi Sawada, Masayuki Takeda
INTRODUCTION AND HYPOTHESIS: To investigate detrusor pressure during voiding in women using urodynamic studies (UDS). METHODS: The study group comprised 57 women with non-neurogenic lower urinary tract symptoms. All patients underwent UDS between January 2010 and December 2014. UDS included filling cystometry, pressure flow study (PFS), uroflowmetry for the maximum flow rate (Qmax) and mean flow rate, and postvoid residuals. Existence of voluntary detrusor contraction was defined as a continuous and smooth increase in detrusor pressure (Pdet) after the instruction to micturate in the PFS...
December 20, 2016: International Urogynecology Journal
https://www.readbyqxmd.com/read/27995942/improvement-in-detrusor-sphincter-dyssynergia-by-bladder-wall-injection-of-replication-defective-herpes-simplex-virus-vector-mediated-gene-delivery-of-kynurenine-aminotransferase-ii-in-spinal-cord-injury-rats
#20
Z Wang, L Liao
STUDY DESIGN: An experimental study. OBJECTIVES: To investigate the effect of replication-defective herpes simplex virus (HSV) vectors encoding the kynurenine aminotransferase II (HSVrd-KATII) gene on detrusor-sphincter dyssynergia (DSD) in spinal cord injury (SCI) rats. SETTING: Beijing, China. METHODS: Sprague-Dawley rats (240-265 g) were spinalized with complete transaction at the T10 level of the spinal cord. The rats were randomly divided into the following three groups: sham group (n=12, with normal saline); HSVrd group (n=12, with HSVrd) and HSVrd-KATII group (n=12, with HSVrd-KATII)...
February 2017: Spinal Cord
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