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Hyperactive detrusor

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https://www.readbyqxmd.com/read/29697209/efficacy-and-safety-of-mirabegron-a-%C3%AE-3-adrenoceptor-agonist-in-patients-with-detrusor-hyperactivity-and-impaired-contractility
#1
Cheng-Ling Lee, Hann-Chorng Kuo
OBJECTIVE: We examined the efficacy and safety of mirabegron in elderly patients with urodynamic detrusor hyperactivity with impaired contractility (DHIC). METHODS: Patients diagnosed with DHIC received daily dose of mirabegron (25mg). Subjective symptom scores, uroflowmetry data, and adverse events (AEs) were recorded for all patients at baseline and after 1, 3, and 6 months treatment. Comparisons were made for each patient individually and between patients with detrusor overactivity (DO)...
April 26, 2018: Lower Urinary Tract Symptoms
https://www.readbyqxmd.com/read/29580270/overactive-bladder-induces-transient-hypertension
#2
Kazumasa Torimoto, Yoshihiro Matsumoto, Daisuke Gotoh, Yosuke Morizawa, Makito Miyake, Shoji Samma, Nobumichi Tanaka, Akihide Hirayama, Kiyohide Fujimoto
OBJECTIVES: Several studies have shown the relationship between lower urinary tract symptoms and autonomic imbalance. We investigated the relationship between detrusor overactivity (DO) or urgency, and transient increase in blood pressure as a type of hypertension related to sympathetic hyperactivity. Study 1: we enrolled 14 male patients with DO and 10 without DO. We measured the overactive bladder symptom score (OABSS) and blood pressure during cystometry. Study 2: we enrolled 14 men patients with overactive bladder (OAB) and 8 without OAB...
March 27, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29423307/the-importance-of-the-bulbocavernosus-reflex
#3
REVIEW
Jean Gabriel Previnaire
The BCR consists of the contraction of the bulbocavernosus muscle in response to squeezing the glans penis or clitoris, and is mediated through the pudendal nerve. In case of a complete lesion, the presence of BCR is indicative of intact S2-S4 spinal reflex arcs and loss of supraspinal inhibition, determining an upper motor neuron (UMN) lesion, its absence a lower motor neuron (LMN) lesion. The BCR further helps distinguish conus medullaris from cauda equina syndromes. Sensory or motor function in the most caudal sacral segments, not BCR, defines the sacral sparing as part of the International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI)...
2018: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/29391518/age-related-changes-in-function-and-gene-expression-of-the-male-and-female-mouse-bladder
#4
Jun Kamei, Hiroki Ito, Naoki Aizawa, Harumi Hotta, Toshio Kojima, Yasunori Fujita, Masafumi Ito, Yukio Homma, Yasuhiko Igawa
We investigated age-related changes in in vivo and in vitro functions and gene expression of the bladder of male and female mice. Mature and aged (12 and 27-30 month old) C57BL/6 mice of both sexes were used. Frequency volume, conscious free-moving cystometry and detrusor contractile and relaxant properties in in vitro organ bath were evaluated. mRNA expression level of muscarinic, purinergic, and β-adrenergic receptors and gene expression changes by cDNA microarray analysis of the bladder were determined...
February 1, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29296045/current-pharmacological-and-surgical-treatment-of-underactive-bladder
#5
REVIEW
Yuan-Hong Jiang, Cheng-Ling Lee, Jia-Fong Jhang, Hann-Chorng Kuo
Underactive bladder (UAB) or detrusor underactivity (DU) is a common yet still poorly understood urological problem. In addition to true detrusor failure and neuropathy, the inhibitory effects of detrusor contraction by the striated urethral sphincter and the bladder neck through alpha-adrenergic activity may also play a role in the development of UAB or DU. Treatment of UAB or DU aims to reduce the postvoid residual (PVR) urine volume and increase voiding efficiency, either by spontaneous voiding or abdominal straining...
October 2017: Ci Ji Yi Xue za Zhi, Tzu-chi Medical Journal
https://www.readbyqxmd.com/read/29285596/differential-diagnostics-of-female-sexual-fluids-a-narrative-review
#6
REVIEW
Zlatko Pastor, Roman Chmel
INTRODUCTION AND HYPOTHESIS: Women expel various kinds of fluids during sexual activities. These are manifestations of sexual arousal and orgasm or coital incontinence. This study is aimed at suggesting a diagnostic scheme to differentiate among these phenomena. METHODS: Web of Science and Ovid (MEDLINE) databases were systematically searched from 1950 to 2017 for articles on various fluid expulsion phenomena in women during sexual activities, which contain relevant information on sources and composition of the expelled fluids...
May 2018: International Urogynecology Journal
https://www.readbyqxmd.com/read/29058820/anterior-colporrhaphy-plus-inside-out-tension-free-vaginal-tape-for-associated-stress-urinary-incontinence-and-cystocele-10-year-follow-up-results
#7
Roberto Montera, Andrea Miranda, Francesco Plotti, Corrado Terranova, Daniela Luvero, Stella Capriglione, Giuseppe Scaletta, Marzio A Zullo, Maurizio Buscarini, Salvatore Lopez, Alessandra Gatti, Teresa Schirò, Carlo De Cicco Nardone, Roberto Angioli
AIMS: We report the success rate and complications rate of combined ultralateral anterior Colporrhaphy plus Tension-free Vaginal Tape (TVT-O) in a long-term (10 year) follow-up prospective survey. METHODS: Patients previously treated for associated stress urinary incontinence (SUI) and cystocele were subjected to annual follow-up for 10 year with a complete urogynecologic evaluation. Furthermore, an urodynamic assessment and a quality of life questionnaire (ICIQ-UI SF) were recorded at the 5th and 10th year of follow up...
October 23, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29032116/mechanisms-of-action-for-%C3%AE-1-adrenoceptor-blockers-in-storage-symptoms-with-new-insights-into-the-micturition-reflex
#8
REVIEW
Tsuyoshi Hattori, Kimio Sugaya
Elderly patients suffering from lower urinary tract symptoms with benign prostatic hyperplasia (BPH) are widely prescribed α1 -adrenoceptor blockers (α1 -blockers) to improve voiding and storage symptoms. The mechanism of action for improvements in voiding symptoms is well understood; tonus of the urethra and prostate are decreased and urinary flow rate is increased by α1 -blockers. However, the mechanisms underlying storage symptoms have remained unclear, although detrusor hyperactivity has been identified as a significant factor...
December 15, 2017: Life Sciences
https://www.readbyqxmd.com/read/28916252/decreased-monoamine-oxidase-a-expression-and-activity-in-the-bladders-of-rats-with-partial-outlet-obstruction
#9
Mai Michishita, Kazuo Yano, Ken-Ichi Tomita, Satoru Yoshikawa, Osamu Matsuzaki, Ken-Ichi Kasahara
OBJECTIVE: To investigate changes in expression and activity of monoamine oxidase A (MAO-A) in rats with partial bladder outlet obstruction (pBOO). Previous studies suggested that monoamines, such as serotonin (5-hydroxytryptamine [5-HT]) and noradrenaline, are involved in bladder hyperactivity secondary to pBOO. However, little is known about the role of MAO-A, an enzyme oxidizing 5-hydroxytryptamine and noradrenalin, in the pathogenesis. MATERIALS AND METHODS: Female Sprague Dawley rats were subjected to sham or pBOO operations for 7 days, then their bladders were isolated...
September 12, 2017: Urology
https://www.readbyqxmd.com/read/28891795/-intravesical-botulinum-toxin-under-local-anestesia-as-ambulatory-procedure
#10
José Javier Fabuel Alcañiz, Laura Martínez Arcos, Miguel Jimenez Cidre, Francisco Javier Burgos Revilla
Bladder hyperactivity is described as the presence of "voiding urgency, generally associated with increased daytime frequency and nocturia, with or without urinary incontinence, in the absence of urinary tract infection or other obvious pathology". Onabotulinum toxin A (BTA) is a recommendable therapeutic option in case of failure, contraindication or refusal of the conservative therapy or other non-pharmacological therapies. The injection of BTA in the detrusor has been performed under local, regional or general anesthesia either in the conventional or major ambulatory surgery operative room or in the cystoscopy room...
September 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28770419/urinary-biomarkers-in-patients-with-detrusor-underactivity-with-and-without-bladder-function-recovery
#11
Sheng-Fu Chen, Yuan-Hong Jiang, Hann-Chorng Kuo
PURPOSE: Detrusor underactivity (DU) is frequently encountered in elderly patients. Part of patients with DU might have bladder function recovery after treatment. This study investigated urinary proteins in these DU patients with and without bladder function recovery. METHODS: A total of 37 patients with chronic urinary retention and urodynamically proven DU were enrolled. After treatment, 24 DU patients had bladder function recovery whereas 13 had not, after 1-year follow-up...
October 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28754926/videourodynamic-studies-of-women-with-voiding-dysfunction
#12
Sheng-Mou Hsiao, Ho-Hsiung Lin, Hann-Chorng Kuo
This retrospective study is aimed to present videourodynamic findings of women with symptoms of voiding dysfunction in a medical center. Of 1914 women, the diagnoses included bladder outlet obstruction (BOO, n = 810, 42.3%), bladder dysfunction (n = 1,048, 54.8%) and normal tracings (n = 56, 2.9%). Anatomic BOO (n = 49) included cystocele (n = 19) and urethral stricture (n = 30). Common functional BOOs included dysfunctional voiding (n = 325, 17.0%) and poor relaxation of the external sphincter (n = 336, 17...
July 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28428632/cyclophosphamide-induced-hcn1-channel-upregulation-in-interstitial-cajal-like-cells-leads-to-bladder-hyperactivity-in-mice
#13
Qian Liu, Zhou Long, Xingyou Dong, Teng Zhang, Jiang Zhao, Bishao Sun, Jingzhen Zhu, Jia Li, Qingqing Wang, Zhenxing Yang, Xiaoyan Hu, Longkun Li
Hyperpolarization-activated cyclic nucleotide-gated (HCN) channels are confirmed to be expressed in bladder interstitial Cajal-like cells (ICC-LCs), but little is known about their possible role in cystitis-associated bladder dysfunction. The present study aimed to determine the functional role of HCN channels in regulating bladder function under inflammatory conditions. Sixty female wild-type C57BL/6J mice and sixty female HCN1-knockout mice were randomly assigned to experimental and control groups, respectively...
April 21, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28413135/a-systematic-review-of-the-diagnosis-and-treatment-of-patients-with-neurogenic-hyperactivity-of-the-detrusor-muscle
#14
A Borau, J M Adot, M Allué, S Arlandis, D Castro, M Esteban, J Salinas
BACKGROUND: Neurogenic detrusor hyperactivity (NDH) is a urodynamic observation characterised by involuntary detrusor contractions during the filling phase that are caused by an underlying neurological disease. The common and severe complications that can result from NDH warrant the preparation of healthcare protocols for the proper management of patients with NDH. OBJECTIVE: The aim of this study is to standardise the criteria for the decision-making process in the management of patients with diagnosed or suspected NDH, providing personalised medical care...
January 2018: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28345779/sacral-neuromodulation-for-detrusor-hyperactivity-with-impaired-contractility
#15
Derek B Hennessey, Nathan Hoag, Johan Gani
INTRODUCTION: Detrusor hyperactivity with impaired contractility (DHIC) is a challenging condition to manage. Sacral neuromodulation (SNM) is a proven treatment modality for both the individual aspects of DHIC. To date, data reporting the outcome of SNM for DHIC are lacking. MATERIALS AND METHODS: Consecutive patients undergoing SNM for DHIC were followed prospectively, from April 2013 to October 2016. Patient demographics, bladder diaries, subjective response rates, ICIQ-OAB, and PGI-I scores were recorded...
November 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28325529/transcutaneous-stimulation-of-the-posterior-tibial-nerve-for-treating-refractory-urge-incontinence-of-idiopathic-and-neurogenic-origin
#16
C Valles-Antuña, M L Pérez-Haro, C González-Ruiz de L, A Quintás-Blanco, E M Tamargo-Diaz, J García-Rodríguez, A San Martín-Blanco, J M Fernandez-Gomez
OBJECTIVE: To assess the efficacy of treatment with transcutaneous posterior tibial nerve stimulation (TPTNS) in patients with urge urinary incontinence, of neurogenic or nonneurogenic origin, refractory to first-line therapeutic options. MATERIAL AND METHODS: We included 65 patients with urge urinary incontinence refractory to medical treatment. A case history review, a urodynamic study and a somatosensory evoked potentials (SEP) study were conducted before the TPTNS, studying the functional urological condition by means of a voiding diary...
September 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28265323/bladder-and-bowel-dysfunction-in-children-an-update-on-the-diagnosis-and-treatment-of-a-common-but-underdiagnosed-pediatric-problem
#17
REVIEW
Joana Dos Santos, Roberto I Lopes, Martin A Koyle
Bladder and bowel dysfunction (BBD) describes a spectrum of lower urinary symptoms (LUTS) accompanied by fecal elimination issues that manifest primarily by constipation and/or encopresis. This increasingly common entity is a potential cause of significant physical and psychosocial burden for children and families. BBD is commonly associated with vesicoureteral reflux (VUR) and recurrent urinary tract infections (UTIs), which at its extreme may lead to renal scarring and kidney failure. Additionally, BBD is frequently seen in children diagnosed with behavioural and neuropsychiatric disorders such as attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorder (ASD)...
January 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28131828/ep3-activation-facilitates-bladder-excitability-via-hcn-channels-on-iccs
#18
Chao Wu, Xingyou Dong, Qian Liu, Jingzhen Zhu, Teng Zhang, Qingqing Wang, Xiaoyang Hu, Zhenxing Yang, Longkun Li
EP3 is a receptor for prostaglandin E2 (PGE2), and although its effect on bladder excitability has attracted considerable attention, the underlying mechanism remains unclear. To investigate whether the hyperpolarization-activated cyclic nucleotide-gated (HCN) channels in the interstitial cells of Cajal (ICCs) of the bladder are involved in the effect of EP3 activation on bladder excitability, wild-type mice, HCN1 knockout (HCN1-/- ) mice and rats were used in our study. Double immunofluorescence staining and immunoprecipitation assays demonstrated the interaction between EP3 and the HCN channels...
April 1, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27676764/botulinum-toxin-therapy-for-neurogenic-detrusor-hyperactivity-versus-augmentation-enterocystoplasty-impact-on-the-quality-of-life-of-patients-with-sci
#19
Charles Fattal, Claire Anquetil, Samer Abdelhamid
OBJECTIVE: To compare quality of life (QoL) in patients with spinal cord injury who underwent overactive detrusor treatment by Botulinum Toxin (BT) versus augmentation cystoplasty (AC). MATERIALS/PATIENTS AND METHODS: Prospective and descriptive study. Patients with refractory overactive bladder due to SCI were treated by at least 2 successive injections of BT or by AC. QoL was assessed using Qualiveen-30 (Q30). Clinical data and urodynamic parameters were collected and compared...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27494539/mucosal-modulation-of-contractility-in-bladder-strips-from-normal-and-overactive-rat-models-and-the-effect-of-botulinum-toxin-a-on-overactive-bladder-strips
#20
Patrick C Campbell, Bronagh McDonnell, Kevin P Monaghan, Lauren Baysting, Oonagh Little, Karen D McCloskey
AIMS: To investigate the local, regulatory role of the mucosa on bladder strip contractility from normal and overactive bladders and to examine the effect of botulinum toxin A (BoNT-A). METHODS: Bladder strips from spontaneously hyperactive rat (SHR) or normal rats (Sprague Dawley, SD) were dissected for myography as intact or mucosa-free preparations. Spontaneous, neurogenic and agonist-evoked contractions were investigated. SHR strips were incubated in BoNT-A (3 h) to assess effects on contractility...
April 2017: Neurourology and Urodynamics
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