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https://www.readbyqxmd.com/read/28718163/incidence-and-management-of-lower-urinary-tract-symptoms-after-urethral-stricture-repair
#1
REVIEW
Amanda S J Chung, Kurt A McCammon
Lower urinary tract symptoms (LUTS) after urethral stricture repair are not uncommon. Urgency has been reported in 40% of men and urge incontinence in 12% of men after anterior urethroplasty. De novo urgency and urge incontinence is seen in 9 and 5% of men, respectively, after urethroplasty. Once a complication of urethroplasty (such as recurrent urethral stricture or diverticulum) has been excluded as a cause, evaluation of LUTS in such patients should focus on differentiating bladder dysfunction (overactive bladder, underactive bladder), from other outlet obstruction (such as benign prostatic obstruction), dysfunctional voiding, or medical causes (such as nocturnal polyuria)...
September 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28718161/frailty-and-lower-urinary-tract-symptoms
#2
REVIEW
Anne M Suskind
The incidence of both frailty and lower urinary tract symptoms, including urinary incontinence, overactive bladder, underactive bladder, and benign prostatic hyperplasia, increases with age. However, our understanding of the relationship between frailty and lower urinary tract symptoms, both in terms of pathophysiology and in terms of the evaluation and management of such symptoms, is greatly lacking. This brief review will summarize definitions and measurement tools associated with frailty and will also review the existing state of the literature on frailty and lower urinary tract symptoms in older individuals...
September 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28716323/chronic-urinary-retention-in-multiple-sclerosis-patients-physiology-systematic-review-of-urodynamic-data-and-recommendations-for-care
#3
REVIEW
John T Stoffel
Many multiple sclerosis (MS) patients are affected by urinary retention. Common causes include neurogenic underactive bladder and/or bladder outlet obstruction from detrusor sphincter dyssynergia. Systemic review of contemporary MS urodynamic studies demonstrates that 53% of MS patients have detrusor overactivity, 43% have detrusor sphincter dyssynergia, and 12% have atonic bladder (12 studies, 1524 patients). There is no standard definition of MS-related urinary retention, but greater than 300 mL is a proposed threshold value for the condition based on literature review...
August 2017: Urologic Clinics of North America
https://www.readbyqxmd.com/read/28712857/reply-from-authors-re-mikkel-fode-jens-s%C3%A3-nksen-towards-a-greater-understanding-of-underactive-bladder-eur-urol-in-press-https-doi-org-10-1016-j-eururo-2017-04-017
#4
EDITORIAL
Alan D Uren, Nikki Cotterill, Christopher Harding, Christopher Hillary, Christopher Chapple, Monique Klaver, Dominique Bongaerts, Zalmai Hakimi, Paul Abrams
No abstract text is available yet for this article.
July 13, 2017: European Urology
https://www.readbyqxmd.com/read/28687026/urodynamics-of-men-with-urinary-retention
#5
David P Guo, Craig V Comiter, Christopher S Elliott
OBJECTIVES: To describe the urodynamic characteristics of men with urinary retention, and to show the diverse treatment plans based on urodynamic findings. METHODS: We carried out a 3-year retrospective review of men with urinary retention who were referred to our clinic for urodynamic evaluation. Men with a history of neurogenic voiding dysfunction or major pelvic surgery were excluded. Multichannel videourodynamic studies were carried out, and the subsequent treatment modality offered was recorded...
July 7, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28681034/how-do-we-diagnose-detrusor-underactivity-comparison-of-diagnostic-criteria-based-on-an-urodynamic-measure
#6
Seong Jin Jeong, Jung Keun Lee, Kwang Mo Kim, Harim Kook, Sung Yong Cho, Seung-June Oh
PURPOSE: To compare several contemporary urodynamic criteria for diagnosing detrusor underactivity (DU) and estimate how well they coincide with each other. MATERIALS AND METHODS: From our prospective urodynamic database we identified nonneurogenic lower urinary tract symptoms (LUTS) patients older than 60 years between 2003 and 2014. Patients were reclassified based on four and three contemporary criteria for DU among men and women. Each criterion was compared with the others using the McNemar test...
July 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28674252/the-long-lasting-enhancing-effect-of-distigmine-on-acetylcholine-induced-contraction-of-guinea-pig-detrusor-smooth-muscle-correlates-with-its-anticholinesterase-activity
#7
Keisuke Obara, Tsukasa Ogawa, Daisuke Chino, Yoshio Tanaka
Distigmine bromide (distigmine), a reversible, long-lasting cholinesterase (ChE) inhibitor, is used for the treatment of underactive bladder in Japan and has been shown to potentiate urinary bladder (UB) contractility. We studied the duration of distigmine's potentiating effects on acetylcholine (ACh)-induced UB contraction and its inhibitory effects on ChE activity, and compared that with those of other ChE inhibitors (neostigmine, pyridostigmine, and ambenonium). The duration of potentiating/inhibitory effects of ChE inhibitors, including distigmine, on ACh-induced guinea pig UB contraction/ChE activity was evaluated for 12 h following washout...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28655527/changes-in-adenosine-triphosphate-and-nitric-oxide-in-the-urothelium-of-benign-prostate-hyperplasia-in-patients-with-detrusor-underactivity
#8
Kang Jun Cho, Jun Sung Koh, Jinbong Choi, Joon Chul Kim
PURPOSE: We investigated changes in the levels of adenosine triphosphate (ATP) and nitric oxide (NO) in the urothelium of detrusor underactivity (DU) with benign prostatic hyperplasia (BPH). MATERIALS AND METHODS: We prospectively enrolled 30 men who planned to undergo surgical treatment for BPH. Patients whose bladder contractility index (BCI) was less than 100 were assigned to the DU group (n = 15), while patients whose BCI was more than 100 were assigned to the no DU group (n = 15)...
June 24, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28637788/the-effects-of-neuromodulation-in-a-novel-obese-prone-rat-model-of-detrusor-underactivity
#9
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/28627603/role-of-stem-cell-factor-in-the-regulation-of-icc-proliferation-and-detrusor-contraction-in-rats-with-an-underactive-bladder
#10
Jianli Feng, Jin Gao, Shan Zhou, Yuanfeng Liu, Yu Zhong, Yong Shu, Ming Sen Meng, Jiaqiang Yan, Danning Sun, Qiang Fang, Daodong Sun
Stem cell factor (SCF) is critical in regulating the proliferation, differentiation and function of the interstitial cells of Cajal (ICCs), which are closely associated with smooth muscle dysfunction. The present study aimed to examine the effect of SCF on ICC proliferation and detrusor contraction in rats with an underactive bladder. Sprague‑Dawley rats were divided into four groups comprising control, control+SCF, detrusor underactivity (DU), and DU+SCF groups. The ICC count was determined using immunofluorescence; serum levels of SCF were determined using an enzyme‑linked immunosorbent assay; mRNA and protein levels of c‑kit and SCF in tissues were assessed using reverse transcription‑quantitative polymerase chain reaction and western blot analyses, respectively...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28598556/can-preoperative-detrusor-underactivity-influence-surgical-outcomes-of-120%C3%A2-w-hps-vaporization-of-the-prostate-pvp-or-holmium-laser-enucleation-of-the-prostate-holep-a-serial-3-year-follow-up-study
#11
Min Chul Cho, Juhyun Park, Jung Kwon Kim, Sung Yong Cho, Hyeon Jeong, Seung-June Oh, Jae-Seung Paick, Hwancheol Son
AIMS: To determine the influence of preoperative detrusor underactivity (DU) on serial long-term outcomes of HPS/PVP or HoLEP for LUTS/BPH, and to compare the influence between the two surgeries. METHODS: A total of 382 men, who underwent 120W-HPS/PVP or HoLEP for LUTS/BPH and for whom 36-month follow-up data were available, were classified into four groups: HPS with DU (n = 145), HPS without DU (n = 44), HoLEP with DU (n = 105), and HoLEP without DU (n = 88)...
June 9, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28566624/distigmine-bromide-produces-sustained-potentiation-of-guinea-pig-urinary-bladder-motility-by-inhibiting-cholinesterase-activity
#12
Keisuke Obara, Daisuke Chino, Yoshio Tanaka
Distigmine is a cholinesterase (ChE) inhibitor used for the treatment of detrusor underactivity in Japan. Distigmine's pharmacological effects are known to be long-lasting, but the duration of its effect on urinary bladder contractile function has not been fully elucidated. The present study aimed to determine these effects in relation to the plasma concentrations of distigmine and its inhibition of ChE activities in blood, plasma, and bladder tissue. Intravesical pressures were recorded in anesthetized guinea-pigs for 12 h after the intravenous administration of saline or distigmine (0...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28546038/-pathophysiology-of-detrusor-underactivity-in-the-elderly
#13
J Kerdraon, B Peyronnet, X Gamé, B Fatton, R Haddad, C Hentzen, C Jeandel, P Mares, M Mezzadri, A-C Petit, G Robain, J-M Vetel, G Amarenco
AIM: The aim of this study was to review the evidence regarding the pathophysiology of detrusor underactivity in the elderly. METHODS: A literature review was conducted in July 2016 using the Medline/Pubmed database limiting the search to works in English or French. RESULTS: The prevalence of detrusor underactivity has been reported to range from 8% to 48% depending on the definition used and the age of the population studied. Current data suggest that aging may itself be a causative factor of detrusor underactivity through myogenic dysfunctions (ultrastructural degeneration of the detrusor muscle) and neurogenic dysfunctions (by degeneration of efferent but mostly afferent innervation mechanisms)...
May 22, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28511871/effect-of-distigmine-on-the-contractile-response-of-guinea-pig-urinary-bladder-to-electrical-field-stimulation
#14
Keisuke Obara, Yurina Kobayashi, Daisuke Chino, Yoshio Tanaka
Distigmine bromide (distigmine) is a reversible carbamate group cholinesterase (ChE) inhibitor. Although mainly used clinically for the treatment of myasthenia gravis, distigmine is also indicated for detrusor underactivity in Japan. According to the pharmacological classification of distigmine, its therapeutic effect against detrusor underactivity appears to be produced by enhanced urinary bladder smooth muscle (UBSM) contractility due to an increased concentration of acetylcholine between parasympathetic nerve endings and UBSM cells...
May 13, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28479762/transurethral-resection-of-prostate-in-benign-prostatic-enlargement-with-underactive-bladder-a-retrospective-outcome-analysis
#15
Ashok Kumar Sokhal, Rahul Janak Sinha, Bimalesh Purkait, Vishwajeet Singh
PURPOSE: The purpose of this study was to evaluate the clinical outcome and efficacy of transurethral resection of the prostate in patients of benign prostatic enlargement (BPE) with underactive bladder. MATERIALS AND METHODS: Retrospective study of 174 patients, who underwent transurethral resection of prostate (TURP) between 2008 and 2015, for lower urinary tract symptoms with BPE with bladder underactivity. Clinical history, physical examination, renal function test, urinalysis, cystourethroscopy, transabdominal or transrectal ultrasonography, and urodynamic study were recorded...
April 2017: Urology Annals
https://www.readbyqxmd.com/read/28456349/towards-a-greater-understanding-of-underactive-bladder
#16
EDITORIAL
Mikkel Fode, Jens Sønksen
No abstract text is available yet for this article.
April 26, 2017: European Urology
https://www.readbyqxmd.com/read/28439968/effects-of-an-ep2-and-ep3-receptor-dual-agonist-ono-8055-on-a-radical-hysterectomy-induced-underactive-bladder-model-in-monkeys
#17
Hidekazu Matsuya, Noritoshi Sekido, Jun Kida, Hiroko Mashimo, Daisuke Wakamatsu, Hiroki Okada
OBJECTIVES: The objective was to develop an underactive bladder (UAB) model in primates and to evaluate the potential of prostanoid EP2 and EP3 receptor dual agonist ONO-8055 to become a therapeutic agent for UAB. METHODS: A surgical procedure resembling radical hysterectomy was performed on female cynomolgus monkeys. Subsequently, in vitro muscle strip studies were performed using bladder muscle strips from normal monkeys and monkeys that underwent surgery. In addition, uroflowmetric data were obtained at specified days after the surgery...
April 25, 2017: Lower Urinary Tract Symptoms
https://www.readbyqxmd.com/read/28400168/qualitative-exploration-of-the-patient-experience-of-underactive-bladder
#18
Alan D Uren, Nikki Cotterill, Christopher Harding, Christopher Hillary, Christopher Chapple, Monique Klaver, Dominique Bongaerts, Zalmai Hakimi, Paul Abrams
BACKGROUND: Underactive bladder (UAB) is considered the symptom complex associated with the urodynamic diagnosis of detrusor underactivity. OBJECTIVE: The aim of this research was to investigate the patient reported experience of the symptoms, signs, and impact of UAB. This research is also part of the initial qualitative phase for the development of a new patient reported outcome measure for the assessment of UAB. DESIGN, SETTING, AND PARTICIPANTS: Qualitative methods were used to understand the experience of UAB from a patient perspective, in a purposive sample of male (n=29) and female (n=15) patients aged 27-88 yr (mean: 64 yr), diagnosed with a primary diagnosis of detrusor underactivity, with or without coexisting urological conditions...
April 8, 2017: European Urology
https://www.readbyqxmd.com/read/28376105/video-urodynamic-characteristics-of-non-neurogenic-idiopathic-underactive-bladder-in-men-a-comparison-of-men-with-normal-tracing-and-bladder-outlet-obstruction
#19
Yuan-Hong Jiang, Hann-Chorng Kuo
OBJECTIVE: Underactive bladder is frequently encountered in elderly patients. It may result from detrusor underactivity (DU) or low detrusor contractility due to a urethral sphincter inhibitory effect. This study analyzed the video-urodynamic study (VUDS) characteristics of patients with underactive bladder in a large cohort of men with lower urinary tract symptoms (LUTS). METHODS: Male patients with LUTS who had failed the initial treatment were consecutively enrolled...
2017: PloS One
https://www.readbyqxmd.com/read/28361518/ketanserin-and-naftopidil-enhance-the-potentiating-effect-of-alpha-methyl-serotonin-on-the-neurally-induced-contraction-of-human-isolated-urinary-bladder-muscle-strips
#20
Tsuyoshi Hattori, Philippe Lluel, Céline Rouget, Moèz Rekik, Mitsuharu Yoshiyama
PURPOSE: The aim of this study was to assess the potential involvement of a specific subtype of 5-hydroxytryptamine (5-HT), 5HT2 receptors in neurally-induced contractions of the human detrusor. METHODS: Contractile responses to electrical field stimulation (EFS) were examined in human isolated urinary bladder muscle strips. The potentiation of EFS-induced detrusor contraction was examined by adding cumulative concentrations of a 5-HT and 5-HT2 receptor agonist, α-methyl-serotonin (α-Me-5-HT) (1nM-100μM) in the presence or absence of a 5-HT2 antagonist, ketanserin (5-HT2A>5-HT2C) or naftopidil (5-HT2B>5-HT2A) (0...
March 24, 2017: International Neurourology Journal
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