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Urinary bladder residual volume in females

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https://www.readbyqxmd.com/read/29737234/biofabricated-structures-reconstruct-functional-urinary-bladders-in-radiation-injured-rat-bladders
#1
Tetsuya Imamura, Mitsuru Shimamura, Teruyuki Ogawa, Tomonori Minagawa, Takashi Nagai, Sudha Silwal Gautam, Osamu Ishizuka
The ability to repair damaged urinary bladders through the application of bone marrow-derived cells is in the earliest stages of development. We investigated the application of bone marrow-derived cells to repair radiation-injured bladders. We used a three-dimensional (3D) bioprinting robot system to biofabricate bone marrow-derived cell structures. We then determined if the biofabricated structures could restore the tissues and functions of radiation-injured bladders. The bladders of female 10-week-old Sprague-Dawley (SD) rats were irradiated with 2-Gy once a week for 5 weeks...
May 8, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29609420/efficacy-of-an-alpha-blocker-for-the-treatment-of-nonneurogenic-voiding-dysfunction-in-women-an-8-week-randomized-double-blind-placebo-controlled-trial
#2
Young-Suk Lee, Kyu-Sung Lee, Myung-Soo Choo, Joon Chul Kim, Jeong Gu Lee, Ju Tae Seo, Jeong Zoo Lee, Ji Youl Lee, Seung-June Oh, Yong Gil Na
PURPOSE: To evaluate the efficacy of an alpha-1 adrenergic receptor (α1-AR) blocker for the treatment of female voiding dysfunction (FVD) through a pressure-flow study. METHODS: This was a randomized, double-blind, placebo-controlled trial. Women aged ≥18 years with voiding symptoms, as defined by an American Urological Association symptom score (AUA-SS) ≥15 and a maximum flow rate (Qmax) <15 mL/sec with a voided volume of >100 mL and/or a postvoid residual (PVR) volume >150 mL, were randomly allocated to either the alfuzosin or placebo group...
March 2018: International Neurourology Journal
https://www.readbyqxmd.com/read/29530711/mapping-and-neuromodulation-of-lower-urinary-tract-function-using-spinal-cord-stimulation-in-female-rats
#3
Huiyi H Chang, Jih-Chao Yeh, Ronaldo M Ichiyama, Larissa V Rodriguez, Leif A Havton
Spinal cord epidural stimulation (SCS) represents a form of neuromodulation for the management of spasticity and pain. This technology has recently emerged as a new approach for potentially augmenting locomotion and voiding function in humans and rodents after spinal cord injury. However, the effect of SCS on micturition has not been studied extensively. Here, SCS was first applied as a direct stimulus onto individual segmental levels of the lumbar spinal cord in rats to map evoked external urethral sphincter (EUS) electromyography activity and SCS-induced voiding contractions...
July 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29333618/age-associated-urethral-dysfunction-in-urethane-anesthetized-rats
#4
Ryu Kimura, Minoru Miyazato, Asuka Ashikari, Takuma Oshiro, Seiichi Saito
AIMS: We aimed to investigate the age-associated changes in movement coordination between the urinary bladder and the urethra in rats. METHODS: A total of 17 female Sprague-Dawley rats were used. The rats were divided into young (3 months old) and middle-aged (12-15 months old) groups. In both groups, isovolumetric cystometry and urethral perfusion pressure (UPP) measurements were performed under urethane anesthesia. After the rhythmic bladder contractions stabilized, L-arginine, a nitric oxide (NO) substrate (100 mg/kg), was administered intravenously in both groups...
January 15, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29153469/postoperative-urinary-retention-or-difficulties-to-empty-the-bladder-in-young-patients-undergoing-posterior-spinal-fusion-for-adolescent-idiopathic-scoliosis
#5
Heli Keskinen, Linda Helenius, Olli Pajulo, Ilkka J Helenius
BACKGROUND: Postoperative urinary retention has been reported to affect up to 27% of adults undergoing degenerative lumbar spine surgery and approximately one-third of children undergoing lower-extremity orthopedic surgery. No data exist on the incidence and risk factors of postoperative urinary tract retention/difficulties to empty the bladder in young patients undergoing instrumented posterior spinal fusion. We aimed to characterize incidence, risk factors and treatment of postoperative urinary retention (POUR) and difficulties to empty the bladder in young patients undergoing posterior spinal fusion (PSF) for idiopathic scoliosis...
October 13, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29045422/cluster-analysis-identifies-three-urodynamic-patterns-in-patients-with-orthotopic-neobladder-reconstruction
#6
Kwang Hyun Kim, Hyun Suk Yoon, Wan Song, Hee Jung Choo, Hana Yoon, Woo Sik Chung, Bong Suk Sim, Dong Hyeon Lee
PURPOSE: To classify patients with orthotopic neobladder based on urodynamic parameters using cluster analysis and to characterize the voiding function of each group. MATERIALS AND METHODS: From January 2012 to November 2015, 142 patients with bladder cancer underwent radical cystectomy and Studer neobladder reconstruction at our institute. Of the 142 patients, 103 with complete urodynamic data and information on urinary functional outcomes were included in this study...
2017: PloS One
https://www.readbyqxmd.com/read/28835278/alpha1a-adrenoceptor-antagonist-improves-underactive-bladder-associated-with-diabetic-cystopathy-via-bladder-blood-flow-in-rats
#7
Saori Yonekubo, Satoshi Tatemichi, Kazuyasu Maruyama, Mamoru Kobayashi
BACKGROUND: Patients with diabetes experience lower urinary tract symptoms. Cystopathy may evolve into underactive bladder (UAB), depending on the degree and duration of the symptoms. In the present study, we aimed to investigate the effects of silodosin, an alpha1A-adrenoceptor (AR) antagonist, on UAB in a rat model of diabetes mellitus (DM). METHODS: Female Sprague-Dawley rats (6 weeks old) were administered streptozotocin (STZ) (50 mg/kg, i.v.) to establish a DM model...
August 23, 2017: BMC Urology
https://www.readbyqxmd.com/read/28762672/safety-efficacy-and-persistence-of-long-term-mirabegron-treatment-for-overactive-bladder-in-the-daily-clinical-setting-interim-1-year-report-from-a-japanese-post-marketing-surveillance-study
#8
Daisuke Kato, Hiromi Tabuchi, Satoshi Uno
OBJECTIVES: To report interim 1-year results from a 3-year surveillance study evaluating safety, efficacy, and persistence of long-term mirabegron for overactive bladder (OAB). METHODS: Patients starting treatment with mirabegron for urinary urgency, daytime frequency, and urgency incontinence associated with OAB were registered and followed up for 3 years. Data were collected on adverse drug reactions (ADR), changes in OAB symptoms, changes in Overactive Bladder Symptom Score (OABSS), and treatment discontinuations...
August 1, 2017: Lower Urinary Tract Symptoms
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
#9
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/28631835/suprameatal-urethrolysis-with-martius-flap-for-refractory-bladder-outflow-obstruction-following-stress-incontinence-surgery-in-females
#10
Janine L Oliver, Shlomo Raz
AIMS: To present our technique of suprameatal urethrolysis with Martius flap (SMUM) and outcomes of this procedure for refractory female bladder outflow obstruction (BOO). METHODS: A retrospective chart review was performed to identify female patients who underwent SMUM between January 2010 and August 2016 after failed transvaginal urethrolysis (TVU) for BOO due to prior stress urinary incontinence (SUI) surgery. The primary outcome measure was surgical success defined as patient ability to void volitionally without need for catheterization or additional surgery for BOO...
January 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28493606/micrornas-as-potential-biomarkers-to-predict-the-risk-of-urinary-retention-following-intradetrusor-onabotulinumtoxin-a-injection
#11
Christopher J Chermansky, Brian T Kadow, Mahendra Kashyap, Pradeep Tyagi
AIMS: MicroRNAs (miRs) control post-transcriptional gene expression, and this is relevant in understanding better chronic diseases and treatment outcomes. The role of miRs in the pathology and treatment outcomes of overactive bladder (OAB) is unknown. In this study, we assessed the differential expression of miRs in OAB patients responding with either normal or elevated post-void residual volumes (PVRs) ≥200 mL following intradetrusor injection of onabotulinumtoxin-A (onaBoNT-A). METHODS: Female OAB patients refractory to OAB drugs were consented for this study...
January 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28424499/tamsulosin-for-treatment-of-lower-urinary-tract-symptoms-in-women-a-systematic-review-and-meta-analysis
#12
H L Zhang, Z G Huang, Y Qiu, X Cheng, X Q Zou, T T Liu
Tamsulosin has been used for the off-label treatment of lower urinary tract symptoms (LUTS) in women. Over the past few years, several randomized controlled trials (RCTs) have reported the clinical effectiveness and safety of tamsulosin for LUTS in women. Therefore, the aim of the present study was to perform a meta-analysis to evaluate the safety and efficacy of tamsulosin in treating LUTS in women, which may resolve some of the current controversies over use of the drug and provide more reliable evidence for the use of tamsulosin...
July 2017: International Journal of Impotence Research
https://www.readbyqxmd.com/read/28346720/videourodynamic-analysis-of-the-urethral-sphincter-overactivity-and-the-poor-relaxing-pelvic-floor-muscles-in-women-with-voiding-dysfunction
#13
Chung-Hsin Peng, Sheng-Fu Chen, Hann-Chorng Kuo
AIMS: Voiding dysfunction due to dysfunctional voiding (DV) and poor relaxation of the external sphincter (PRES) are commonly found among adult women with lower urinary tract symptoms (LUTS) during videourodynamic study (VUDS). This study analyzed the VUDS characteristics of DV and PRES in female voiding dysfunction. METHODS: This retrospective study involved 1914 women aged >18 years with refractory LUTS. The medical records and the VUDS parameters were reviewed...
March 27, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28215835/the-swedish-infant-high-grade-reflux-trial-uti-and-renal-damage
#14
RANDOMIZED CONTROLLED TRIAL
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)...
April 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27752164/-effect-of-age-on-urodynamic-parameters-of-women-with-urinary-incontinence
#15
W Y Zhang, X P Zhang, J W Chen, Y R Sun, J Wang, H Hu, K X Xu
OBJECTIVE: To investigate age related changes in urodynamic parameters of women with urinary incontinence. METHODS: From May 2008 to October 2015, a total of 214 patients diagnosed with urinary incontinence in Peking University People's Hospital was involved in this study. Average age was (56.97±10.68) years, ranging from 30 to 82 years, and average history was (8.44±8.85) years, ranging from one month to 50 years. Urodynamic examinations of each patient were taken before operation routinely in Department of Urology, Peking University People's Hospital...
October 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/27706125/the-impact-of-nocturnal-polyuria-in-older-people-with-nocturnal-luts
#16
Ana L Lopes Mendes, Veerle Decalf, Marie A Denys, Andrea Tubaro, Karel Everaert
BACKGROUND: Bladder dysfunctions often express the presence of lower urinary tract symptoms (LUTS) and are common in older people. Aim of this study is to analyse the Micturition, Incontinence and Residual in older people, evaluating the role of Nocturnal Polyuria. METHODS: 86 patients with at least 65 years old and invalidating LUTS were hospitalized for 24 hours. The Maximum Bladder Capacity, mean Micturition Volume, Post Voiding Residual and Incontinence Volume were recorded and analysed day-time and night-time...
October 5, 2016: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/27596481/preserved-micturition-after-intradetrusor-onabotulinumtoxina-injection-for-treatment-of-neurogenic-bladder-dysfunction-in-parkinson-s-disease
#17
Stephanie C Knüpfer, Susanne A Schneider, Mareike M Averhoff, Carsten M Naumann, Günther Deuschl, Klaus-Peter Jünemann, Moritz F Hamann
BACKGROUND: To assess the efficacy and safety of intradetrusor onabotulinumtoxinA (OnabotA) injection treatment in patients with neurogenic lower urinary tract dysfunction (NLUTD), especially for patients with Parkinson disease (PD). METHODS: PD patients refractory to oral antimuscarinic participated in an off-label use study and were evaluated prior and after 200 IU OnabotA injection into detrusor muscle, including trigone. Changes due to treatment were evaluated using bladder diaries, urodynamics, and questionnaires...
September 5, 2016: BMC Urology
https://www.readbyqxmd.com/read/26979753/comparative-influence-of-imidafenacin-and-oxybutynin-on-voiding-function-in-rats-with-functional-urethral-obstruction
#18
COMPARATIVE STUDY
A Fukata, T Yamazaki
An antimuscarinic therapy may increase the risk of voiding dysfunction. However, it is unclear whether the relative risk of voiding dysfunction is different among antimuscarinics. Therefore we determined the potencies both in enhancing the bladder capacity (BC), effectiveness, and in decreasing the maximum urinary flow rate (Qmax), voiding dysfunction, to compare their therapeutic indices.Under urethane anesthesia, urinary flow rate was measured at distal urethra using an ultrasonic flow meter in female Sprague-Dawley rats with functional urethral obstruction induced by a continuous i...
June 2016: Drug Research
https://www.readbyqxmd.com/read/26964164/-clinical-observation-of-acupoint-application-therapy-on-senile-female-bladder-neck-obstruction
#19
RANDOMIZED CONTROLLED TRIAL
Shaoming Liu, Na Li, Yueyang Zhang, Xiuju Zhang, Jinbo Xi, Mengjie Zhao, Wenxiao Yu, Guangjun Zhou, Xiao Li, Kaisong Zhang
OBJECTIVE: To observe the clinical efficacy on senile female bladder neck obstruction treated with acupoint application, therapy and western medication. METHODS: Fifty cases of senile female bladder neck observation were randomized into an obstrvation group and a control group, 25 cases in each one. Tamsulosin hydrochloride capsules were taken orally in the two groups, 0.2 mg every night, continuously for 100 days. In the observation group, with radix aconiti lateralis preparata, semen brassicae and fructus ligustri lucidi contained, bushentongyu plaster was used at Shenque (CV 8), Sanyinjiao (SP 6), Pangguangshu (BL 28), Zhongji (CV 3) and Sanjiaoshu (BL 22), once every two days...
December 2015: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/26855600/clinical-significance-of-video-urodynamic-in-female-recurrent-urinary-tract-infections
#20
Sameh Hijazi, Conrad Leitsmann
PURPOSE: We aimed to assess the value of video-urodynamic study (VUD) in the identification of lower urinary tract voiding dysfunction in female recurrent urinary tract infections (UTIs). PATIENTS AND METHODS: A total of 54 women with recurrent UTIs who underwent VUDs between 2013 and 2015 were analyzed. They were carefully evaluated by complete history, voiding diary, physical investigation, urosonography, and VUDs. RESULTS: Neurogenic and non-neurogenic voiding dysfunctions were found in 4% and 63% of women respectively...
2016: International Journal of Women's Health
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