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https://www.readbyqxmd.com/read/28892272/effect-of-cerebrospinal-fluid-shunt-surgery-on-lower-urinary-tract-dysfunction-in-idiopathic-normal-pressure-hydrocephalus
#1
Seiji Aruga, Nobumasa Kuwana, Yoshiharu Shiroki, Shintaro Takahashi, Naoyuki Samejima, Akira Watanabe, Yojiro Seki, Yasuhiko Igawa, Yukio Homma
AIMS: To examine the outcomes of lower urinary tract symptoms (LUTS) and urodynamic test results after cerebrospinal fluid (CSF) shunt surgery in idiopathic normal pressure hydrocephalus (iNPH). METHODS: Records of 48 patients (33 men; 15 women), who met the definite iNPH criteria and underwent CSF shunt surgery, were retrospectively analyzed. LUTS and their impact on quality of life (QOL) were evaluated using an all-or-none questionnaire targeting four symptoms, the Overactive Bladder Symptoms Score (OABSS), and the QOL index...
September 11, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28838284/enhancing-the-radiation-response-of-tumors-but-not-early-or-late-responding-normal-tissues-using-a-vascular-disrupting-agent
#2
Michael R Horsman
INTRODUCTION: Vascular disrupting agents (VDAs) damage tumor vasculature and enhance tumor radiation response. In this pre-clinical study, we combined radiation with the leading VDA in clinical development, combretastatin A-4 phosphate (CA4P), and compared the effects seen in tumors and relevant normal tissues. MATERIAL AND METHODS: Radiation was applied locally to tissues in CDF1 mice to produce full radiation dose-response curves. CA4P (250 mg/kg) was intraperitoneally (i...
August 25, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28782191/tadalafil-a-phosphodiesterase-type-5-inhibitor-improves-bladder-blood-supply-and-restores-the-initial-phase-of-lower-urinary-tract-dysfunction-in-diabetic-rats
#3
Daisuke Gotoh, Kazumasa Torimoto, Yoshihiro Tatsumi, Shunta Hori, Atsushi Yamada, Makito Miyake, Yosuke Morizawa, Katsuya Aoki, Nobumichi Tanaka, Akihide Hirayama, Kiyohide Fujimoto
AIMS: To investigate the effect of tadalafil on bladder blood flow and lower urinary tract function in a rat model of diabetes. MATERIALS AND METHODS: We studied female Sprague-Dawley rats and induced diabetes in some using a single intraperitoneal injection of streptozotocin. We divided the rats into nondiabetes (ND), diabetes (D), and diabetes with tadalafil (DT) groups. The rats were raised for an additional 7 weeks after diabetes induction. The DT group received oral tadalafil (2 mg/kg/day) for 7 days before the experiments...
August 7, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28776505/effects-of-cathodal-trans-spinal-direct-current-stimulation-on-lower-urinary-tract-function-in-normal-and-spinal-cord-injury-mice-with-overactive-bladder
#4
Zaghloul Ahmed
OBJECTIVE: Lower urinary tract (LUT) dysfunction is a monumental problem affecting quality of life following neurotrauma, such as spinal cord injury (SCI). Proper function of the bladder and its associated structures depends on coordinated activity of the neuronal circuitry in the spinal cord and brain. Disconnection between the spinal and brain centers controlling the LUT causes fundamental changes in the mechanisms involved in the micturition and storage reflexes. We investigated the effects of cathodal trans-spinal direct current stimulation (c-tsDCS) of the lumbosacral spine on bladder and external urinary sphincter (EUS) functions...
October 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28768666/oab-without-an-overactive-bladder-in-the-acute-prostaglandin-e2-rat-model
#5
James A Hokanson, Christopher L Langdale, Arun Sridhar, Warren M Grill
Intravesical Prostaglandin E2 (PGE2) was previously used to induce overactive bladder (OAB) symptoms as it reduces bladder capacity in rats and causes a "strong urgency sensation" in healthy women. However, the mechanism by which this occurs is unclear. To clarify how PGE2 reduces bladder capacity, 100 µM PGE2 was administered intravesically during open, single-fill cystometry with simultaneous measurement of sphincter EMG in the urethane-anesthetized female Wistar rat. PGE2 was also applied to the urethra or bladder selectively by use of a ligature at the bladder neck prior to (urethra) or during (bladder) closed-outlet, single-fill cystometry...
August 2, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28768664/preventative-effects-of-a-hif-inhibitor-17-dmag-on-partial-bladder-outlet-obstruction-induced-bladder-dysfunction
#6
Nao Iguchi, M İrfan Dönmez, Anna P Malykhina, Alonso Carrasco, Duncan T Wilcox
Posterior urethral valves are the most common cause of partial bladder outlet obstruction (PBOO) in the pediatric population. Pathological changes in the bladder developed during PBOO are responsible for long-lasting voiding dysfunction in this population despite early surgical interventions. Increasing evidence showed PBOO induces an upregulation of Hypoxia inducible factors (HIFs) and their transcriptional target genes, and they play a role in pathophysiological changes in the obstructed bladders. We hypothesized that blocking HIF pathways can prevent PBOO-induced bladder dysfunction...
August 2, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28762178/the-influence-of-duloxetine-on-detrusor-overactivity-in-rats-with-depression-induced-by-13-cis-retinoic-acid
#7
Andrzej Wróbel, Ewa Rechberger, Tomasz Rechberger
INTRODUCTION AND HYPOTHESIS: The aim of this study was to assess the efficacy of duloxetine in an animal model of detrusor overactivity induced by depression. METHODS: After 6 weeks of 13-cis-retinoic acid administration at a dose of 1 mg/kg/day, rats were given duloxetine at a dose of 1 mg/kg. This was followed by conscious cystometry, a forced swim test, and locomotor activity measurement. The levels of corticotropin-releasing factor (CRF) in the hypothalamus, amygdala and plasma were also determined...
July 31, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28757173/are-patients-with-bladder-oversensitivity-different-from-those-with-urodynamically-proven-detrusor-overactivity-in-female-overactive-bladder-syndrome
#8
Sung-Lang Chen, Soo-Cheen Ng, Yu-Hui Huang, Gin-Den Chen
BACKGROUND: To determine if there are clinical and urodynamic (UD) differences between female overactive bladder (OAB) patients with bladder oversensitivity (BO) and detrusor overactivity (DO) via a much lower filling rate. METHODS: In total, 205 patients with OAB symptoms were recruited for this study. During filling cystometry, the bladder was filled at a more "physiological" rate of 20 ml/min. All patients underwent a complete urogynecological evaluation including detailed history, physical examination, urinalysis, pad test for quantification of urine leakage, 3-day frequency-volume chart (FVC) documentation, and completion of a UD study...
July 27, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28756610/treatment-of-obesity-associated-overactive-bladder-by-the-phosphodiesterase-type-4-inhibitor-roflumilast
#9
Honglin Ding, Ning Li, Xiaoning He, Bing Liu, Liming Dong, Yili Liu
PURPOSE: To prove that phosphodiesterase type-4 inhibitors could potentially treat obesity-associated overactive bladder through modulation of the systemic inflammatory response. METHODS: In this 12-week study, 90 female Sprague-Dawley rats were divided into three groups: (1) vehicle-treated normal diet (ND)-fed rats; (2) vehicle-treated high-fat diet (HFD)-fed rats; and (3) roflumilast-treated HFD-fed rats. Oral roflumilast (5 mg/kg/day) was administered during the last 4 weeks of HFD feeding in the test group...
July 29, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28748746/long-term-urodynamic-findings-following-radical-prostatectomy-and-salvage-radiotherapy
#10
Maria Ervandian, Jens Christian Djurhuus, Morten Høyer, Charlotte Graugaard-Jensen, Michael Borre
OBJECTIVE: Lower urinary tract symptoms (LUTS) are common following radical prostatectomy (RP) or intended curative radiotherapy in prostate cancer patients. One-quarter of those treated with RP experience biochemical failure and are subsequently offered salvage radiotherapy (SRT) to the prostatic bed. The aim of this study was to elucidate long-term LUTS after surgery and SRT. MATERIALS AND METHODS: Urodynamic parameters from 16 patients treated with RP and subsequent SRT in the period 2000-2010 were evaluated with uroflowmetry, filling cystometry, pressure-flow and urethral pressure profile (UPP)...
July 27, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28745805/tac-302-promotes-neurite-outgrowth-of-isolated-peripheral-neurons-and-prevents-bladder-denervation-related-bladder-dysfunctions-following-bladder-outlet-obstruction-in-rats
#11
Shohei Yoshida, Naoki Orimoto, Hiroshi Tsukihara, Takahisa Noma, Atsushi Hakozaki, Eiji Sasaki
AIMS: To evaluate the ability of TAC-302, a cyclohexenoic fatty alcohol derivative, to enhance neurite outgrowth in cultured rat dorsal root ganglion (DRG) neurons, and the preventive effects of TAC-302 on bladder denervation-related storage and voiding dysfunctions in rats with bladder outlet obstruction (BOO). METHODS: Rat DRG neurons were cultured in the presence of TAC-302. Cell numbers and neurite lengths were quantified after a 24 h culture. BOO was achieved by partial ligature of the proximal urethra in female rats...
July 26, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28727385/abobotulinum-a-toxin-injection-in-patients-with-refractory-idiopathic-detrusor-overactivity-injections-in-detrusor-trigone-and-bladder-neck-or-prostatic-urethra-versus-detrusor-only-injections
#12
Maryam Emami, Pejman Shadpour, Amir H Kashi, Masoud Choopani, Mohammadreza Zeighami
PURPOSE: To evaluate if the injections of abobotulinum-A toxin in trigone and bladder neck/prostatic urethra in addition to detrusor provides better symptoms relief and urodynamic findings in patients with idiopathic detrusor overactivity (IDO) refractory to medical treatment. MATERIALS AND METHODS: A total of 74 patients with IDO refractory to anticholinergics received injections in detrusor, trigone and bladder neck/prostatic urethra (Group A, N=36) versus detrusor only injections (Group B, N=38) of abobotulinum-A toxin...
July 20, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28723374/urodynamics-before-surgery-for-stress-urinary-incontinence
#13
Suneetha Rachaneni, Pallavi Latthe
Following three noninferiority randomised controlled trials from different countries showing exactly the same results, it is time to translate this evidence into practice. In women undergoing primary surgery for pure stress urinary incontinence or stress-predominant mixed urinary incontinence without voiding difficulties, careful office evaluation including uroflowmetry and postvoid residual urine can replace invasive investigations such as cystometry, saving patients from embarrassment and a risk of urinary infection...
August 2016: European Urology Focus
https://www.readbyqxmd.com/read/28710888/chronic-spinal-cord-injury-causes-upregulation-of-serotonin-5-ht-2a-and-5-ht2c-receptors-in-lumbosacral-cord-motoneurons
#14
Nailong Cao, Jianshu Ni, Xiaohu Wang, Hongjian Tu, Baojun Gu, Jiemin Si, Gang Wu, Karl-Erik Andersson
OBJECTIVES: To investigate whether the voiding dysfunction caused by spinal cord injury (SCI) in rats can be improved by i.v. administration of the serotonin (5-HT)2A/2C receptor agonist 2,5-dimethoxy-4-iodophenyl-2-aminopropanehydrochloride (DOI), and to discuss whether the mechanism can be ascribed to 5-HT2A and 5-HT 2C receptor upregulation in lumbosacral cord motoneurons. MATERIALS AND METHODS: Female Sprague-Dawley rats were divided into two groups (SCI group vs normal control [NC] group)...
July 15, 2017: BJU International
https://www.readbyqxmd.com/read/28707318/correlation-of-xiphopubic-distance-body-weight-height-and-body-mass-index-with-intravesical-and-abdominal-initial-resting-pressures-in-urodynamic-testing-in-the-sitting-position
#15
Juan P Valdevenito, Arturo García-Mora, Jorge Rodriguez, Andrew Gammie
OBJECTIVES: To compare the initial resting intravesical pressure (pves ) and abdominal pressure (pabd ) in the sitting position with the typical range of values, to assess the correlation between such pressures and patient xipho-pubic distance, body weight, height and body mass index (BMI), and to estimate if xipho-pubic distance can be a guide to interpret initial resting pressures in urodynamic testing. METHODS: Women with lower urinary tract symptomatology referred for urodynamic testing were consecutively enrolled in a prospective study...
July 13, 2017: Lower Urinary Tract Symptoms
https://www.readbyqxmd.com/read/28673064/effects-of-acute-sacral-neuromodulation-at-different-frequencies-on-bladder-overactivity-in-pigs
#16
Xing Li, Limin Liao, Guoqing Chen, Zhaoxia Wang, Han Deng
PURPOSE: We investigated the effects of different stimulation frequencies on the inhibition of bladder overactivity by sacral neuromodulation (SNM) in pigs. METHODS: Implant-driven stimulators were used to stimulate the S3 spinal nerve in 13 pigs. Cystometry was performed by infusing normal saline (NS) or acetic acid (AA). SNM (pulse width, 210 µsec) at frequencies ranging from 5 to 50 Hz was conducted at the intensity threshold at which observable perianal and/or tail movement was induced...
June 2017: International Neurourology Journal
https://www.readbyqxmd.com/read/28637788/the-effects-of-neuromodulation-in-a-novel-obese-prone-rat-model-of-detrusor-underactivity
#17
Eric J Gonzalez, Warren M Grill
Obesity is a global epidemic associated with an increased risk for lower urinary tract dysfunction. Inefficient voiding and urinary retention may arise in late-stage obesity when the expulsive force of the detrusor smooth muscle cannot overcome outlet resistance. Detrusor underactivity (DUA) and impaired contractility may contribute to the pathogenesis of non-obstructive urinary retention. We used cystometry and electrical stimulation of peripheral nerves (pudendal and pelvic n.) to characterize and improve bladder function in urethane-anesthetized obese-prone (OP) and obese-resistant (OR) rats following diet-induced obesity (DIO)...
June 21, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28637786/the-role-of-capsaicin-sensitive-c-fiber-afferent-pathways-in-the-control-of-micturition-in-spinal-intact-and-spinal-cord-injured-mice
#18
Katsumi Kadekawa, Tsuyoshi Majima, Takahiro Shimizu, Naoki Wada, William C de Groat, Anthony J Kanai, Momokazu Goto, Mitsuharu Yoshiyama, Kimio Sugaya, Naoki Yoshimura
We examined bladder and urethral sphincter activity in mice with or without spinal cord injury (SCI) after C-fiber afferent desensitization induced by capsaicin pretreatment and changes in electrophysiological properties of mouse bladder afferent neurons 4 weeks after SCI. Female C57BL/6N mice were divided into 4 groups; (1) spinal intact (SI)-control, (2) SI-capsaicin pretreatment (Cap), (3) SCI-control and (4) SCI-Cap groups. Continuous cystometry and external urethral sphincter (EUS)-electromyogram (EMG) were conducted under an awake condition...
June 21, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28608967/urodynamic-effects-of-intravenous-and-intrathecal-administration-of-e-series-prostaglandin-1-receptor-antagonist-on-detrusor-overactivity-in-rats-with-spinal-cord-injury
#19
Naoki Wada, Katsumi Kadekawa, Tsuyoshi Majima, Takahiro Shimizu, Pradeep Tyagi, Hidehiro Kakizaki, Naoki Yoshimura
AIMS: We examined the effect of an E-series prostaglandin 1 (EP1) receptor antagonist on bladder activity using a rat model of spinal cord injury (SCI). METHODS: Female Sprague-Dawley rats were used. Six weeks after spinal cord transection, conscious-filling cystometry was performed. We evaluated the urodynamic parameters before and after intravenous (0.1 and 1.0 mg/kg) or intrathecal (0.1 and 1.0 µg) administration of SC51089, an EP1 antagonist. Spinal prostaglandin E2 (PGE2) concentration and EP1 receptor transcripts in the spinal cord and dorsal root ganglia (DRG) were measured by enzyme-linked immunosorbent assay and RT-PCR, respectively...
June 13, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28605059/amniotic-fluid-stem-cells-ameliorate-bladder-dysfunction-induced-by-chronic-bladder-ischemia-in-rat
#20
Ching-Chung Liang, Sheng-Wen Steven Shaw, Yi-Hao Lin, Tsong-Hai Lee
AIMS: This study investigated the protective effect of human amniotic fluid-derived stem cells (hAFSCs) against bladder overactivity in rat model of atherosclerosis-induced chronic bladder ischemia. METHODS: Adult female Sprague-Dawley rats were divided into six groups: (1) Normal control with a regular diet for 8 weeks, (2) Sham-operation, (3) arterial balloon endothelial injury (AEI) of common iliac artery (AEI only), and post-AEI consecutive hAFSCs treatment for (4) 1 day, (5) 3 days, and (6) 7 days...
June 12, 2017: Neurourology and Urodynamics
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