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Funayama M, Koreki A, Takata T, Nakagawa Y, Mimura M. Post-stroke urinary incontinence is associated with behavior control deficits and overactive bladder. Neuropsychologia 2024; 201:108942. [PMID: 38906459 DOI: 10.1016/j.neuropsychologia.2024.108942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 05/17/2024] [Accepted: 06/18/2024] [Indexed: 06/23/2024]
Abstract
BACKGROUND Although urinary incontinence in stroke survivors can substantially impact the patient's quality of life, the underlying neuropsychological mechanisms and its neural basis have not been adequately investigated. Therefore, we investigated this topic via neuropsychological assessment and neuroimaging in a cross-sectional study. METHODS We recruited 71 individuals with cerebrovascular disease. The relationship between urinary incontinence and neuropsychological indices was investigated using simple linear regression analysis or Mann-Whitney U test, along with other explanatory variables, e.g., severity of overactive bladder. Variables with a p-value of <0.1 in the simple regression analysis were entered in the final multiple linear regression model to control for potential confounding factors. To carry out an in-depth examination of the neuroanatomical substrate for urinary incontinence, voxel-based lesion-behavior mapping was performed using MRIcron software. RESULTS Behavioral control deficits and severity of overactive bladder were closely related to severity of urinary incontinence. The voxel-based lesion-behavior mapping suggests a potential role for ventromedial prefrontal cortex lesioning in the severity of urinary incontinence, although this association is not statistically significant. CONCLUSIONS Post-stroke urinary incontinence is closely related to two factors: neurogenic overactive bladder, a physiological disinhibition of micturition reflex, and cognitive dysfunction, characterized by behavior control deficits.
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Affiliation(s)
- Michitaka Funayama
- Department of Neuropsychiatry, Ashikaga Red Cross Hospital, Ashikaga, Tochigi, 326-0843, Japan; Department of Rehabilitation, Edogawa Hospital, Edogawa, Tokyo, 133-0052, Japan; Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, 160-0016, Japan.
| | - Akihiro Koreki
- Department of Psychiatry, National Hospital Organization Shimofusa Psychiatric Medical Center, Chiba, 266-0007, Japan
| | - Taketo Takata
- Department of Neuropsychiatry, Ashikaga Red Cross Hospital, Ashikaga, Tochigi, 326-0843, Japan
| | - Yoshitaka Nakagawa
- Department of Rehabilitation, Edogawa Hospital, Edogawa, Tokyo, 133-0052, Japan
| | - Masaru Mimura
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, 160-0016, Japan
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Babin CP, Catalano NT, Yancey DM, Pearl NZ, Koonce EM, Ahmadzadeh S, Shekoohi S, Cornett EM, Kaye AD. Update on Overactive Bladder Therapeutic Options. Am J Ther 2024; 31:e410-e419. [PMID: 37171410 DOI: 10.1097/mjt.0000000000001637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
BACKGROUND Millions of Americans are burdened by overactive bladder (OAB) syndrome and the psychogenic and economic hardships that accompany it. Several theories attempt to explain OAB as a neurogenic dysfunction, myogenic dysfunction, urothelial dysfunction, or decreased expression of a channel protein secondary to bladder outlet obstruction. Given that the etiology of OAB is a working theory, the management of OAB is also an evolving subject matter in medicine. There are uncertainties surrounding the pathophysiology of OAB, the strength of a clinical diagnosis, and accurate reporting because of the disease's stigma and decreased use of health care. DATA SOURCES This is a narrative review that used PubMed, Google Scholar, Medline, and ScienceDirect to review literature on current and future OAB therapies. RESULTS Currently, first-line treatment for OAB is behavioral therapy that uses lifestyle modifications, bladder-control techniques, and psychotherapy. Second-line therapy includes antimuscarinic agents or beta 3 adrenergic agonists, and studies have shown that combination therapy with antimuscarinics and beta 3 adrenergic agonists provides even greater efficacy than monotherapy. Third-line therapies discussed include onabotulinumtoxinA, posterior tibial nerve stimulation, and sacral neuromodulation. OnabotulinumtoxinA has been FDA-approved as a nonpharmaceutical treatment option for refractory OAB with minimal side effects restricted to the urinary tract. Posterior tibial nerve modulation and sacral neuromodulation are successful in treating refractory OAB, but the costs and complication rates make them high-risk procedures. Therefore, surgical intervention should be a last resort. Estrogen therapy is effective in alleviating urinary incontinence in postmenopausal women, consistent with the association between estrogen deficiency and genitourinary syndrome. Potassium channel activators, voltage-gated calcium channel blockers, and phosphodiesterase inhibitors look to be promising options for the future of OAB management. As new therapies are developed, individuals with OAB can better personalize their treatment to maximize their quality of life and cost-effective care.
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Affiliation(s)
- Caroline P Babin
- Louisiana State University Health Sciences Center at New Orleans, School of Medicine, New Orleans, LA
| | - Nicole T Catalano
- Louisiana State University Health Sciences Center at New Orleans, School of Medicine, New Orleans, LA
| | - David M Yancey
- Louisiana State University Health Sciences Center at New Orleans, School of Medicine, New Orleans, LA
| | - Nathan Z Pearl
- Louisiana State University Health Sciences Center at New Orleans, School of Medicine, New Orleans, LA
| | - Eleanor M Koonce
- Louisiana State University Health Sciences Center at New Orleans, School of Medicine, New Orleans, LA
| | - Shahab Ahmadzadeh
- Department of Anesthesiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA
| | - Sahar Shekoohi
- Department of Anesthesiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA
| | - Elyse M Cornett
- Department of Anesthesiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA
| | - Alan D Kaye
- Department of Anesthesiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA
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de Rijk MM, Peter S, Wolf-Johnston A, Heesakkers J, van Koeveringe GA, Birder LA. Quantification of Aging-Related Decreases in Sensory Innervation of the Bladder Trigone in Rats. Int Neurourol J 2024; 28:40-45. [PMID: 38461855 DOI: 10.5213/inj.2346220.110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 11/13/2023] [Indexed: 03/12/2024] Open
Abstract
PURPOSE The prevalence of lower urinary tract symptoms (LUTS), characterized by problems regarding storage and/or voiding of urine, is known to significantly increase with age. Effective communication between the lower urinary tract and the central nervous system (CNS) is essential for the optimal function of this system, and heavily relies on the efficient interaction between the bladder urothelium and the afferent nerve fibers situated in close proximity to the urothelium within the lamina propria. METHODS We aimed to quantify aging-related differences in the expression of calcitonin gene-related peptide (CGRP, an established marker for sensory nerve fibers) in the trigonal mucosal layers of young (3-4 months) and aged (25-30 months) rats. We evaluated trigonal tissue from 3 animals per age group. Tissue was serially sectioned at 10 μm and stained for CGRP. Images were taken along the full length of the tissue. For each image we computed the total CGRP-positive area (μm2) and the median value for each animal was used for further analysis. RESULTS Upon statistical analysis the aged rats show a significantly lower CGRP-positive area compared to young rats (P=0.0049). These results indicate that aging has a negative effect on the area of CGRP-positive signal in the trigone. CONCLUSION The structural and functional integrity of the sensory web in the trigonum of rats is negatively affected by the aging process, potentially leading to impaired communication between the bladder urothelium the CNS. Consequently, these perturbations in the sensory system may contribute to the pathogenesis or exacerbation LUTS.
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Affiliation(s)
- Mathijs M de Rijk
- Department of Urology, School for Mental Health and Neuroscience, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
- Department of Urology, Maastricht University Medical Center+ (MUMC+), Maastricht, The Netherlands
| | - Saša Peter
- Department of Urology, School for Mental Health and Neuroscience, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
| | - Amanda Wolf-Johnston
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - John Heesakkers
- Department of Urology, School for Mental Health and Neuroscience, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
- Department of Urology, Maastricht University Medical Center+ (MUMC+), Maastricht, The Netherlands
| | - Gommert A van Koeveringe
- Department of Urology, School for Mental Health and Neuroscience, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
- Department of Urology, Maastricht University Medical Center+ (MUMC+), Maastricht, The Netherlands
| | - Lori A Birder
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
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Lavery TC, Spiegelhoff A, Wang K, Kennedy CL, Ridlon M, Keil Stietz KP. Polychlorinated biphenyl (PCB) exposure in adult female mice can influence bladder contractility. AMERICAN JOURNAL OF CLINICAL AND EXPERIMENTAL UROLOGY 2023; 11:367-384. [PMID: 37941647 PMCID: PMC10628623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 07/21/2023] [Indexed: 11/10/2023]
Abstract
Lower urinary tract symptoms (LUTS) greatly reduce quality of life. While LUTS etiology is not completely understood, it is plausible that environmental contaminants could play a role. Polychlorinated biphenyls (PCBs), are a group of persistent environmental toxicants frequently documented in animal and human tissues. PCBs are capable of influencing voiding function in mouse offspring exposed developmentally, however whether PCB exposure during adulthood can also influence voiding dynamics is unknown. Therefore, the purpose of this study was to determine whether PCB exposure in adult female mice can impact voiding function. As part of a larger study to generate developmentally exposed offspring, adult female C57Bl/6J mice were dosed orally with the MARBLES PCB mixture (0.1, 1, or 6 mg/kg/day) or vehicle control beginning two weeks before mating and throughout gestation and lactation (9 weeks). Adult dosed female dams then underwent void spot assay, uroflowmetry, and anesthetized cystometry to assess voiding function. Bladder contractility was assessed in ex vivo bladder bath assays, and bladders were collected for morphology and histology assessments. While voiding behavior endpoints were minimally impacted, alterations to bladder contractility dynamics were more pronounced. Adult female mice dosed with 1 mg/kg/d PCB showed an increase in urine spots 2-3 cm2 in size, increased bladder contractility in response to electrical field stimulation, and decreased bladder wall thickness compared to vehicle control. PCBs also altered contractile response to cholinergic agonist in a dose-dependent manner. Overall, these results indicate that exposure to PCBs in adult female mice is sufficient to produce changes in bladder physiology. These results also highlight the critical role of timing of exposure in influencing voiding function.
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Affiliation(s)
- Thomas Cm Lavery
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison Madison, Wisconsin 53706, USA
| | - Audrey Spiegelhoff
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison Madison, Wisconsin 53706, USA
| | - Kathy Wang
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison Madison, Wisconsin 53706, USA
| | - Conner L Kennedy
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison Madison, Wisconsin 53706, USA
| | - Monica Ridlon
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison Madison, Wisconsin 53706, USA
| | - Kimberly P Keil Stietz
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison Madison, Wisconsin 53706, USA
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Jiang YH, Kuo HC. Current optimal pharmacologic therapies for overactive bladder. Expert Opin Pharmacother 2023; 24:2005-2019. [PMID: 37752121 DOI: 10.1080/14656566.2023.2264183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 09/25/2023] [Indexed: 09/28/2023]
Abstract
INTRODUCTION Overactive bladder (OAB) is a common syndrome in adults. Current pharmacologic treatment includes antimuscarinic agents and β-3 adrenoceptor agonists. For non-responders to oral medication, intravesical injection of botulinum toxin A (BoNT-A) is an effective option. However, these treatments have potential adverse events and should be cautiously selected for appropriate patients. This review presents the recently published results of clinical trials and studies for patients with OAB and the underlying pathophysiology of OAB. Appropriate medical therapy based on pathophysiology of OAB is also presented. AREAS COVERED Literature search from Pubmed from 2001 to 2023 including clinical background, pharmacology, and clinical studies for OAB medications. EXPERT OPINION Treatment of OAB syndrome with any antimuscarinic or β-3 adrenoceptor agonist is feasible as a first-line approach. For patients with suboptimal therapeutic effect to full-dose antimuscarinics or mirabegron, combination with both drugs can improve efficacy. Intravesical BoNT-A 100-U injection provides therapeutic effects for refractory OAB. Patients who are refractory to initial pharmacotherapies should be investigated for the underlying pathophysiology; then an appropriate medication can be added, such as an α1-blocker or anti-inflammatory agents. Patient education about behavioral modification and therapies should always be provided with oral medication or BoNT-A injection for OAB patients.
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Affiliation(s)
- Yuan-Hong Jiang
- Department of Urology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation and Tzu Chi University, Hualien, Taiwan
| | - Hann-Chorng Kuo
- Department of Urology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation and Tzu Chi University, Hualien, Taiwan
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Chess-Williams R, Sellers DJ. Pathophysiological Mechanisms Involved in Overactive Bladder/Detrusor Overactivity. CURRENT BLADDER DYSFUNCTION REPORTS 2023. [DOI: 10.1007/s11884-023-00690-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
Abstract
Purpose of Review
To examine the latest published findings on the pathophysiological mechanisms involved in the development of overactive bladder (OAB) and detrusor overactivity (DO), and to identify common pathways linked to the risk factors associated with these conditions.
Recent Findings
Evidence is accumulating, both clinical and experimental, that many of the factors linked to the development of OAB/DO, including ageing, bladder outlet obstruction, psychological stress, and obesity are associated with reduced bladder blood flow. This induces local tissue inflammation with cytokine release and enhanced oxidative stress, ultimately resulting in altered detrusor sensitivity, detrusor hypertrophy and fibrosis, together with afferent hypersensitivity. These mechanisms would explain the symptoms of urgency and frequency observed in OAB patients. Although not a characteristic of OAB, undetected low level bacterial infections of the bladder have been proposed to explain the OAB symptoms in patients resistant to standard treatments. In this condition, inflammatory responses without reductions in perfusion activate the inflammatory pathways.
Summary
Evidence is mounting that poor bladder perfusion and local inflammatory responses are central mechanisms involved in the development of OAB/DO. As our understanding of these pathophysiological mechanisms advances, new avenues for drug development will be identified and ultimately treatment may become more individualized depending on the particular pathway involved and the drugs available.
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Ou YC, Kao YL, Ho YH, Wu KY, Kuo HC. Intravesical Injection of Botulinum Toxin Type A in Patients with Refractory Overactive Bladder-Results between Young and Elderly Populations, and Factors Associated with Unfavorable Outcomes. Toxins (Basel) 2023; 15:toxins15020095. [PMID: 36828410 PMCID: PMC9967532 DOI: 10.3390/toxins15020095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/16/2023] [Accepted: 01/16/2023] [Indexed: 01/20/2023] Open
Abstract
Intravesical botulinum toxin type A (BoNT-A) injection has been recognized as the standard treatment for refractory overactive bladder (OAB). However, its therapeutic efficacy and safety have not been thoroughly reviewed in elderly patients. This study aims to provide treatment outcomes for patients aged ≥75 years, and to identify factors associated with unfavorable outcomes. Patients receiving intradetrusor injections of 100 U onabotulinumtoxinA for refractory OAB between 2011 and 2021 were retrospectively reviewed. Urodynamic parameters, underlying comorbidities, subjective success, and unfavorable outcomes were assessed. A total of 192 patients were included, and 65 of them were classified into the elderly group. For the elderly group, 60.0% experienced subjective dryness, and 84.6% remained subjective success at 6 months after the injections. The prevalence rates of common unfavorable outcomes, including urinary tract infections, large post-void residual urine volume, and urinary retention, were 9.2%, 27.7%, and 12.3%, respectively. Multivariate analysis revealed that female, baseline urodynamic parameters, and diabetes mellitus were associated with unfavorable outcomes in the elderly group. Intravesical BoNT-A injections provide comparable therapeutic efficacy and safety concerns in elderly patients with refractory OAB. A thorough consultation for treatment benefits and possible adverse events is mandatory before the procedure.
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Affiliation(s)
- Yin-Chien Ou
- Department of Urology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan
| | - Yao-Lin Kao
- Department of Urology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan
| | - Yi-Hui Ho
- Department of Anesthesiology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan
| | - Kuan-Yu Wu
- Department of Urology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan
| | - Hann-Chorng Kuo
- Department of Urology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation and Tzu Chi University, Hualien 970, Taiwan
- Correspondence:
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Kim HJ, Kim N, Choi Y, Lee J, Yoon H, Shin CM, Park YS, Lee DH, Kim HR, Kang SB. Effects of Aging and Gender on the Anorectal Function of Healthy Subjects Assessed with Conventional Anorectal Manometry. THE KOREAN JOURNAL OF GASTROENTEROLOGY = TAEHAN SOHWAGI HAKHOE CHI 2022; 80:254-261. [PMID: 36567438 DOI: 10.4166/kjg.2022.111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 11/09/2022] [Accepted: 11/16/2022] [Indexed: 12/27/2022]
Abstract
Background/Aims Anorectal functions are influenced by gender and age. This study sought to define the normal anorectal pressure values measured with conventional anorectal manometry (ARM) and to evaluate the effects of age and gender on anorectal function in asymptomatic subjects. Methods Conventional ARM was used to measure the anorectal pressures of 164 asymptomatic healthy subjects, including 86 males and 76 females. Results The resting anal pressures of males and females aged >60 years were significantly lower than those ≤60 years (males, 44.09±14.22 vs. 57.45±17.69, p<0.001; females, 44.09±14.22 vs. 57.45±17.69, p<0.001). The anal high-pressure zone was significantly lower in older males than in younger males (2.42±0.93 vs. 2.82±0.739, p=0.048). In both age groups (<60 and ≥60 years), the anal squeezing pressures of males were significantly higher than those of females (<60 years old, 168.40±75.94 vs. 119.15±57.53, p=0.001; ≥60 years, 149.61±64.68 vs. 101.3±54.92, p=0.006). Conclusions The normal anorectal pressure values measured with ARM in males and females were different. Older males and females had lower anal resting pressures than those of the younger subjects, but squeezing pressure was not affected by age.
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Affiliation(s)
- Hee Jin Kim
- Department of Internal Medicine, Gyeongsang National University College of Medicine and Gyeongsang National University Changwon Hospital, Changwon, Korea
| | - Nayoung Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.,Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Yonghoon Choi
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Jongchan Lee
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Hyuk Yoon
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Cheol Min Shin
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Young Soo Park
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Dong Ho Lee
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.,Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Hye Rang Kim
- Department of Gastroenterology, Burjeel Marina Health Promotion Center, Abu Dhabi, UAE
| | - Sung-Bum Kang
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea.,Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
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Zillioux J, Slopnick EA, Vasavada SP. Third-line therapy for overactive bladder in the elderly: Nuances and considerations. Neurourol Urodyn 2022; 41:1967-1974. [PMID: 35645033 PMCID: PMC9796112 DOI: 10.1002/nau.24965] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 04/21/2022] [Accepted: 04/25/2022] [Indexed: 01/01/2023]
Abstract
INTRODUCTION Overactive bladder (OAB) disproportionally affects older adults in both incidence and severity. OAB pharmacotherapy is often problematic in the elderly due to polypharmacy, adverse side effect profiles and contraindications in the setting of multiple comorbidities, and concerns regarding the risk of incident dementia with anticholinergic use. The burden of OAB in older patients coupled with concerns surrounding pharmacotherapy options should motivate optimization of nonpharmacologic therapies in this population. At the same time, several aspects of aging may impact treatment efficacy and decision-making. This narrative review critically summarizes current evidence regarding third-line OAB therapy use in the elderly and discusses nuances and treatment considerations specific to the population. METHODS We performed an extensive, nonsystematic evidence assessment of available literature via PubMed on onabotulinumtoxinA (BTX-A), sacral neuromodulation, and percutaneous tibial nerve stimulation (PTNS) for OAB, with a focus on study in elderly and frail populations. RESULTS While limited, available studies show all three third-line therapies are efficacious in older populations and there is no data to support one option over another. BTX-A likely has a higher risk of urinary tract infection and retention in older compared to younger populations, especially in the frail elderly. PTNS incurs the lowest risk, although adherence is poor, largely due to logistical burdens. CONCLUSION Advanced age and frailty should not preclude third-line therapy for refractory OAB, as available data support their efficacy and safety in these populations. Ultimately, treatment choices should be individualized and involve shared decision-making.
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Affiliation(s)
- Jacqueline Zillioux
- Department of UrologyGlickman Urological and Kidney Institute, Cleveland ClinicClevelandOhioUSA
| | - Emily A. Slopnick
- Department of UrologyGlickman Urological and Kidney Institute, Cleveland ClinicClevelandOhioUSA
| | - Sandip P. Vasavada
- Department of UrologyGlickman Urological and Kidney Institute, Cleveland ClinicClevelandOhioUSA
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Bellos TC, Tzelves LI, Manolitsis IS, Katsimperis SN, Berdempes MV, Skolarikos A, Karakousis ND. Frailty and benign prostatic hyperplasia: The thrilling underlying impact. Arch Ital Urol Androl 2022; 94:345-349. [DOI: 10.4081/aiua.2022.3.345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 07/22/2022] [Indexed: 11/23/2022] Open
Abstract
Background: World population is aging. The number of individuals aged over 65 are expected to be 71 million only in the US. 43% of this population will be men. Benign prostatic hyperplasia (BPH), defined as the benign neoplasm of the prostate gland affects 8% of men by their forties, but 90% of men over 90 years old. Lower urinary tract symptoms (LUTS) can be caused by an enlarged prostate, and it seems to be associated more with older and frailer individuals. Methods: The purpose of this study is to review the potential interplay between frailty syndrome and benign prostatic hyperplasia. A thorough MEDLINE/PubMed non-systematic literature review was conducted from 1990 to March of 2022. The terms used for the search were “frailty and benign prostatic hyperplasia” and “low muscle mass and benign prostatic hyperplasia”. Results: It seems that, frailty poses a negative impact on the prognosis of patients with BPH, as it is associated with increased incidence of LUTS. In addition, frailty seems to be a strong predictor concerning surgical procedure failure and mortality following invasive procedures for BPH. Prostatic stent placement on the other hand appears to be the ideal solution for frail patients. Conclusions: BPH has a strong association with frailty and increasing age.
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11
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Shi Z, Karmonik C, Soltes A, Tran K, Boone T, Lincoln JA, Khavari R. Altered bladder-related brain network in multiple sclerosis women with voiding dysfunction. Neurourol Urodyn 2022; 41:1612-1619. [PMID: 35842826 PMCID: PMC9399000 DOI: 10.1002/nau.25008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/14/2022] [Accepted: 06/30/2022] [Indexed: 11/12/2022]
Abstract
OBJECTIVES A number of neurourology imaging studies have mainly focused on investigating the brain activations during micturition in healthy and neuropathic patients. It is, however, also necessary to study brain functional connectivity (FC) within bladder-related regions to understand the brain organization during the execution of bladder function. This study aims to identify the altered brain network associated with bladder function in multiple sclerosis (MS) women with voiding dysfunction through comparisons with healthy subjects via concurrent urodynamic study (UDS)/functional magnetic resonance imaging (fMRI). MATERIALS AND METHODS Ten healthy adult women and nine adult ambulatory women with clinically stable MS for ≥6 months and symptomatic voiding phase neurogenic lower urinary tract dysfunction (NLUTD) underwent UDS/fMRI evaluation with a task of bladder filling/emptying that was repeated three to five times. We quantitatively compared their FC within 17 bladder-related brain regions during two UDS phases: "strong desire to void" and "(attempt at) voiding initiation." RESULTS At "strong desire to void," the healthy group showed significantly stronger FC in regions involved in bladder filling and suppression of voiding compared to the patient group. These regions included the bilateral anterior cingulate cortex, right supplementary motor area, and right middle frontal gyrus. During "(attempt at) voiding initiation," healthy subjects exhibited stronger FC in the right inferior frontal gyrus compared to MS patients. CONCLUSION Our study offers a new way to identify alterations in the neural mechanisms underlying NLUTD and provides potential targets for clinical interventions (such as cortical neuromodulation) aimed at restoring bladder functions in MS patients.
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Affiliation(s)
- Zhaoyue Shi
- Translational Imaging Center, Houston Methodist Research Institute, Houston, Texas, USA
| | - Christof Karmonik
- Translational Imaging Center, Houston Methodist Research Institute, Houston, Texas, USA
| | - Amelia Soltes
- Department of Urology, Houston Methodist Hospital, Houston, Texas, USA
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA
| | - Khue Tran
- Department of Urology, Houston Methodist Hospital, Houston, Texas, USA
| | - Timothy Boone
- Department of Urology, Houston Methodist Hospital, Houston, Texas, USA
| | - John A Lincoln
- Department of Neurology, McGovern Medical School, Houston, Texas, USA
| | - Rose Khavari
- Department of Urology, Houston Methodist Hospital, Houston, Texas, USA
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12
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Study of female pelvic floor muscle in overactive bladder based on MRI 3D reconstruction. BMC Urol 2022; 22:132. [PMID: 36030205 PMCID: PMC9420263 DOI: 10.1186/s12894-022-01090-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 08/19/2022] [Indexed: 11/29/2022] Open
Abstract
Background This study examined the three-dimensional (3D) morphological changes of the urination and urinary continence anatomical structures in overactive bladder (OAB) patients, to offer a morphological data for OAB diagnosis and treatment. Methods Eleven OAB patients, 9 healthy females and 22 pelvic organ prolapse (POP) patients were enrolled and underwent MRI scans. The anatomical components of urination (bladder detrusor) and the urinary continence (main part of the urethral sphincter, compressor urethrae, and levator ani muscle (LAM) were 3D reconstructed and measured with Amira software. We also analyze the relativity between pelvic floor muscle’s morphological parameters among the volunteers, OAB and POP group. Results Through 3D reconstruction, increased thickness and volume of the bladder detrusor were found in the OAB patients compared with volunteers (3.1 ± 0.7 mm vs. 1.9 ± 0.3 mm; P = 0.000 and 50,632.0 ± 19,724.7 mm3 vs. 23,386.6 ± 7826.3 mm3; P = 0.001). The volume of LAM showed no significant difference between the OAB patients and volunteers (27,089.4 ± 5015.0 mm3 vs. 27,294.4 ± 4461.4 mm3; P = 0.924); whereas, LAM’s volume of the POP patients was significantly larger than that of the volunteers (34,130.6 ± 7968.3 mm3 vs. 27,294.4 ± 4461.4 mm3; P = 0.023). The thickness and volume of the main part of urethral sphincter were significantly lower in the OAB patients compared with volunteers (2.2 ± 0.5 mm vs. 2.7 ± 0.3 mm; P = 0.018 and 2558.6 ± 703.2 mm3 vs. 23,267.3 ± 681.9 mm3; P = 0.035). The volume of the compressor urethrae was significantly lower in the OAB patients than that in the volunteers (630.3 ± 301.2 mm3 vs. 866.1 ± 514.2 mm3; P = 0.247). Conclusions In OAB patients, the bladder detrusor has long-term tension and contraction, which thickened muscle and increased volume, and aggravate urination. The compressor urethral and main part of urethral sphincter are weaker and the anterior part of LAM hiatus is relaxed, easily resulting in leakage of urine and ultimately incontinence. The MRI 3D reconstruction and measurement can help to evaluate pelvic floor urination and continence function, and accurately diagnose.
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Gouriou Delumeau MJ, Ly O, Lefebvre S, Belin C, Orvoën G, Robain G, Haddad R. Évaluation des symptômes du bas appareil urinaire lors du dépistage du risque de chute : connaissances et pratiques des soignants impliqués dans la prise en charge des personnes âgées. Prog Urol 2022; 32:769-775. [DOI: 10.1016/j.purol.2022.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/30/2022] [Accepted: 07/01/2022] [Indexed: 10/16/2022]
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de Rijk MM, Wolf-Johnston A, Kullmann AF, Taiclet S, Kanai AJ, Shiva S, Birder LA. Aging-Associated Changes in Oxidative Stress Negatively Impacts the Urinary Bladder Urothelium. Int Neurourol J 2022; 26:111-118. [PMID: 35793989 PMCID: PMC9260322 DOI: 10.5213/inj.2142224.112] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 10/18/2020] [Indexed: 12/01/2022] Open
Abstract
PURPOSE Lower urinary tract symptoms are known to significantly increase with age, negatively impacting quality of life and self-reliance. The urothelium fulfills crucial tasks, serving as a barrier protecting the underlying bladder tissue from the harsh chemical composition of urine, and exhibits signaling properties via the release of mediators within the bladder wall that affect bladder functioning. Aging is associated with detrimental changes in cellular health, in part by increasing oxidative stress in the bladder mucosa, and more specifically the urothelium. This, in turn, may impact urothelial mitochondrial health and bioenergetics. METHODS We collected mucosal tissue samples from both young (3-4 months old) and aged (25-30 months old) rats. Tissue was evaluated for p21-Arc, nitrotyrosine, and cytochrome C expression by western immunoblotting. Urothelial cells were cultured for single-cell imaging to analyze basal levels of reactive oxygen species and the mitochondrial membrane potential. Mitochondrial bioenergetics and cellular respiration were investigated by the Seahorse assay, and measurements of adenosine triphosphate release were made using the luciferin-luciferase assay. RESULTS Aging was associated with a significant increase in biomarkers of cellular senescence, oxidative stress, and basal levels of reactive oxygen species. The mitochondrial membrane potential was significantly lower in urothelial cell cultures from aged animals, and cultures from aged animals showed a significant decrease in mitochondrial bioenergetics. CONCLUSION Aging-related increases in oxidative stress and excessive reactive oxygen species may be contributing factors underlying lower urinary tract symptoms in older adults. The mechanisms outlined in this study could be utilized to identify novel pharmaceutical targets to improve aging-associated bladder dysfunction.
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Affiliation(s)
- Mathijs M. de Rijk
- Department of Urology, School for Mental Health and Neuroscience, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
- Department of Urology, Maastricht University Medical Center+ (MUMC+), Maastricht, The Netherlands
| | - Amanda Wolf-Johnston
- Department of Medicine, Renal-Electrolyte Division, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Aura F. Kullmann
- Department of Medicine, Renal-Electrolyte Division, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Stephanie Taiclet
- Department of Medicine, Renal-Electrolyte Division, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Anthony J. Kanai
- Department of Medicine, Renal-Electrolyte Division, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Sruti Shiva
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Lori A. Birder
- Department of Medicine, Renal-Electrolyte Division, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
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Mossa A, Cammisotto PG, Velasquez-Flores M, Campeau L. Adaptation to partial urethral obstruction in healthy aging LOU rats and the role of nerve growth factor signaling pathway in the bladder. Exp Gerontol 2021; 157:111625. [PMID: 34780930 DOI: 10.1016/j.exger.2021.111625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 10/14/2021] [Accepted: 11/07/2021] [Indexed: 11/04/2022]
Abstract
AIM Aging is associated with poor ability to adapt to stress and abnormal nerve growth factor (NGF) profile. Lower urinary tract symptoms frequently disturb the quality of life of the aging population with no optimal treatment for both genders. The aim of the study was to compare the bladder response to bladder outflow obstruction in young and old LOU rats, a model of healthy aging that does not develop insulin resistance, and its relation to proNGF/NGF imbalance. METHODS 6- and 36-month-old female LOU rats were subjected to partial bladder urethral obstruction (PUO) for 2 weeks. Morphometric parameters (body and bladder weight) and glycemia were evaluated. Cystometry was carried out to measure functional parameters followed by ex vivo assessment of muscle strip contractile characteristics. Tissue proteins were examined by immunoblotting and morphology was examined by microscopy. RESULTS Body weight and glycaemia were not affected by surgery. PUO increases significantly bladder weight with increased thickness and fibrosis of the bladder wall as revealed by histological examination in both age groups. Cystometry showed that old PUO rats had a significant reduction in the intercontraction interval and the bladder capacity, a pattern opposite to young rats with PUO. Contractile properties of bladder strip were not affected by age or PUO. On the molecular level, the old rats had lower abundance of the mature NGF relative to proNGF, with signs of p75NTR activation suggested by the higher expression of TNF-α and JNK phosphorylation in the bladder tissue. CONCLUSION Bladder adaptation to PUO occurs only in young LOU rats to maintain efficient bladder contractility. Old LOU rats display proNGF/NGF imbalance and the associated p75NTR activation. This can further induce tissue damage and degeneration through activation of JNK pathway and release of TNF-α which in turn interferes with the necessary bladder adaptation.
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Affiliation(s)
- Abubakr Mossa
- Lady Davis Institute, McGill University, Montreal, Quebec, Canada
| | | | | | - Lysanne Campeau
- Lady Davis Institute, McGill University, Montreal, Quebec, Canada; Division of Urology, Department of Surgery, McGill University, Montreal, Quebec, Canada.
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Lo TS, Ng KL, Lin YH, Hsieh WC, Huang TX, Shen YH. De novo detrusor overactivity and urgency after mid-urethral slings for urodynamic stress incontinence. Int Urogynecol J 2021; 32:2737-2745. [PMID: 34292341 DOI: 10.1007/s00192-021-04911-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 05/29/2021] [Indexed: 10/20/2022]
Abstract
INTRODUCTION AND HYPOTHESIS The objective was to identify incidence and risk factors of de novo urgency and detrusor overactivity (DO) following mid-urethral slings (MUS) in patients with urodynamic stress incontinence (USI) without urgency. METHODS A total of 688 women between January 2004 and July 2017 were reviewed retrospectively. De novo urgency was established with a positive response to question 2 on the Urogenital Distress Inventory-6 questionnaire (UDI-6). Objective cure of USI is no involuntary urine leakage during filling cystometry and pad test < 2 g. Subjective cure of stress urinary incontinence (SUI) is defined as a negative response to question 3 on UDI-6. Multivariate logistic regression was used to identify risk factors for failure. RESULTS Forty-four out of 688 women (6.4%) developed de novo urgency, with 16 out of 688 (2.3%) demonstrating de novo DO. Subjective cure for women with de novo urgency was significantly lower at 35 out of 44 (79.5%) compared with 556 out of 644 (86.3%) in those with no urgency (p < 0.001). Objective cure for women with de novo DO was significantly lower at 8 out of 16 (50%) compared with 599 out of 672 (89.1%) in those with detrusor stability (p < 0.001). Quality of life improved for all. Age ≥ 66 (OR, 1.23; 1.07), increased bladder sensation (OR, 4.18; 3.80), lower bladder capacity (OR, 5.28; 4.97), lower maximum urethral closure pressure (OR, 2.32; 5.20), and pad test > 100 g (OR, 1.08; 1.15) were independent risk factors for de novo urgency and DO. Diabetes (OR, 1.32) was an independent predictor of de novo urgency. CONCLUSION Cure is significantly reduced in women who report symptoms of de novo urgency or demonstrate DO after MUS at 1 year. Independent risk factors include age ≥ 66, increased bladder sensation, lower bladder capacity, lower maximum urethral closure pressure, greater pad loss, and diabetes.
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Affiliation(s)
- Tsia-Shu Lo
- Division of Urogynecology, Department of Obstetrics and Gynecology, Linkou, Chang Gung Memorial Hospital, Linkou Medical Center, 5, Fu-Hsin Street, Kwei-shan, Tao-Yuan City, Taiwan, 333, Republic of China. .,Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Keelung Medical Center, Keelung, Taiwan, Republic of China. .,Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Taipei, Medical Center, Taipei, Taiwan, Republic of China. .,School of Medicine, Chang Gung University, Taoyuan, Taiwan, Republic of China.
| | - Kai Lyn Ng
- Department of Obstetrics & Gynaecology, National University Hospital of Singapore, Singapore, Singapore
| | - Yi-Hao Lin
- Division of Urogynecology, Department of Obstetrics and Gynecology, Linkou, Chang Gung Memorial Hospital, Linkou Medical Center, 5, Fu-Hsin Street, Kwei-shan, Tao-Yuan City, Taiwan, 333, Republic of China.,School of Medicine, Chang Gung University, Taoyuan, Taiwan, Republic of China
| | - Wu-Chiao Hsieh
- Division of Urogynecology, Department of Obstetrics and Gynecology, Linkou, Chang Gung Memorial Hospital, Linkou Medical Center, 5, Fu-Hsin Street, Kwei-shan, Tao-Yuan City, Taiwan, 333, Republic of China.,Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Keelung Medical Center, Keelung, Taiwan, Republic of China.,School of Medicine, Chang Gung University, Taoyuan, Taiwan, Republic of China
| | - Ting-Xuan Huang
- Division of Urogynecology, Department of Obstetrics and Gynecology, Linkou, Chang Gung Memorial Hospital, Linkou Medical Center, 5, Fu-Hsin Street, Kwei-shan, Tao-Yuan City, Taiwan, 333, Republic of China
| | - Yu-Hua Shen
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Keelung Medical Center, Keelung, Taiwan, Republic of China
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Conta G, Libanori A, Tat T, Chen G, Chen J. Triboelectric Nanogenerators for Therapeutic Electrical Stimulation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2007502. [PMID: 34014583 DOI: 10.1002/adma.202007502] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 12/03/2020] [Indexed: 06/12/2023]
Abstract
Current solutions developed for the purpose of in and on body (IOB) electrical stimulation (ES) lack autonomous qualities necessary for comfortable, practical, and self-dependent use. Consequently, recent focus has been placed on developing self-powered IOB therapeutic devices capable of generating therapeutic ES for human use. With the recent invention of the triboelectric nanogenerator (TENG), harnessing passive human biomechanical energy to develop self-powered systems has allowed for the introduction of novel therapeutic ES solutions. TENGs are especially effective at providing ES for IOB therapeutic systems given their bioconformability, low cost, simple manufacturability, and self-powering capabilities. Due to the key role of naturally induced electrical signals in many physiological functions, TENG-induced ES holds promise to provide a novel paradigm in therapeutic interventions. The aim here is to detail research on IOB TENG devices applied for ES-based therapy in the fields of regenerative medicine, neurology, rehabilitation, and pharmaceutical engineering. Furthermore, considering TENG-produced ES can be measured for sensing applications, this technology is paving the way to provide a fully autonomous personalized healthcare system, capable of IOB energy generation, sensing, and therapeutic intervention. Considering these grounds, it seems highly relevant to review TENG-ES research and applications, as they could constitute the foundation and future of personalized healthcare.
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Affiliation(s)
- Giorgio Conta
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Alberto Libanori
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Trinny Tat
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Guorui Chen
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Jun Chen
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
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Jaul E, Meiron O. Advanced Dementia: Brain-State Characteristics and Clinical Indicators of Early Mortality. J Alzheimers Dis 2021; 81:933-941. [PMID: 33843676 DOI: 10.3233/jad-201563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
There is an urgent need in advanced dementia for evidence-based clinical prognostic predictors that could positively influence ethical decisions allowing health provider and family preparation for early mortality. Accordingly, the authors review and discuss the prognostic utility of clinical assessments and objective measures of pathological brain states in advanced dementia patients associated with accelerated mortality. Overall, due to the paucity of brain-activity and clinical-comorbidity predictors of survival in advanced dementia, authors outline the potential prognostic value of brain-state electroencephalography (EEG) measures and reliable clinical indicators for forecasting early mortality in advanced dementia patients. In conclusion, two consistent risk-factors for predicting accelerated mortality in terminal-stage patients with advanced dementia were identified: pressure ulcers and paroxysmal slow-wave EEG parameters associated with cognitive impairment severity and organic disease progression. In parallel, immobility, malnutrition, and co-morbid systemic diseases are highly associated with the risk for early mortality in advanced dementia patients. Importantly, the authors' conclusions suggest utilizing reliable quantitative-parameters of disease progression for estimating accelerated mortality in dementia patients entering the terminal disease-stages characterized by severe intellectual deficits and functional disability.
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Affiliation(s)
- Efraim Jaul
- Geriatric Skilled Nursing Department, Herzog Medical Center, Hebrew University, Jerusalem, Israel
| | - Oded Meiron
- Clinical Research Center for Brain Sciences, Herzog Medical Center, Jerusalem, Israel
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Matsuo T, Miyata Y, Otsubo A, Mukae Y, Mitsunari K, Ohba K, Sakai H. Efficacy of salt reduction for managing overactive bladder symptoms: a prospective study in patients with excessive daily salt intake. Sci Rep 2021; 11:4046. [PMID: 33603133 PMCID: PMC7893030 DOI: 10.1038/s41598-021-83725-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Accepted: 12/08/2020] [Indexed: 12/28/2022] Open
Abstract
This study aimed to investigate the efficacy of salt intake restriction on overactive bladder (OAB) symptoms in patients with excessive salt intake. Patients received a brochure on nutritional guidance regarding salt intake reduction and received health education every 4 weeks for 12 weeks. Data from overactive bladder symptom score (OABSS) questionnaires and frequency volume charts (FVCs) were evaluated. The daily salt intake was estimated by determining the urinary sodium and creatinine concentrations using spot urine samples. Of the 98 patients included, 71 (72.4%) successfully restricted their daily salt intake after 12 weeks (salt restricted [R] group), while 27 (27.6%) did not (salt non-restricted [N-R] group). The scores to each OABSS question and the resulting total score improved significantly in the R group; however, the individual scores remained unchanged and the total score increased in the N-R group. The FVC data indicated improved voided volumes in the R group as compared to in the N-R group. Ultimately, 17 (23.9%) patients in the R group no longer fulfilled the OAB diagnostic criteria after salt intake reduction. Thus, salt intake reduction improved urinary symptoms in patients with OAB and may be a therapeutic option for OAB in patients with excessive daily salt intakes.
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Affiliation(s)
- Tomohiro Matsuo
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Yasuyoshi Miyata
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.
| | - Asato Otsubo
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Yuta Mukae
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Kensuke Mitsunari
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Kojiro Ohba
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Hideki Sakai
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
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Akbar A, Liu K, Michos ED, Brubaker L, Markossian T, Bancks MP, Kramer H. Racial Differences in Urinary Incontinence Prevalence, Overactive Bladder and Associated Bother among Men: The Multi-Ethnic Study of Atherosclerosis. J Urol 2021; 205:524-531. [PMID: 32909876 PMCID: PMC8323106 DOI: 10.1097/ju.0000000000001353] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/01/2020] [Indexed: 11/27/2022]
Abstract
PURPOSE We examined the association of race/ethnicity with urinary incontinence subtypes and overactive bladder, and associated bother in older men. MATERIALS AND METHODS This cross-sectional analysis used data from the Multi-Ethnic Study of Atherosclerosis, an observational cohort of 4 racial/ethnic groups. At the sixth followup examination (age 60 to 98 years, 2015 to 2016) urinary symptoms were ascertained with the International Consultation on Incontinence Questionnaire. Prevalence ratios of urinary incontinence subtypes and overactive bladder without incontinence by race/ethnicity were calculated while adjusting for demographics, comorbidities and medications. Degree of bother was based on scale of 0 (none) to 10 (most) with bother presence defined as a score of 3 or greater. RESULTS Among 1,536 men 94% completed the questionnaire. Among completers, race/ethnicity was 40.7% nonHispanic White, 14.3% Chinese, 23.0% nonHispanic Black and 22.1% Hispanic. Urinary incontinence was reported by 11.1% and urgency urinary incontinence accounted for 78.0% of all urinary incontinence. The highest prevalence of urgency urinary incontinence was noted among nonHispanic Black men (13.0%) followed by Hispanic (11.3%), nonHispanic White (6.8%) and Chinese (2.9%) men. NonHispanic Black men showed a higher prevalence of any urinary incontinence (PR 1.62, 95% CI 1.06-2.47) and urgency urinary incontinence (1.63, 95% CI 1.01-2.61) compared to nonHispanic White men after adjustments for covariates. No significant association was noted with other urinary incontinence subtypes by race/ethnicity after adjustment for covariates. More than 70% of urinary incontinence was associated with bother for all racial/ethnic groups. CONCLUSIONS Urinary incontinence prevalence differs by race/ethnicity but most urinary incontinence is associated with bother regardless of race/ethnicity.
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Affiliation(s)
- Aelia Akbar
- Department of Public Health Sciences, Loyola University Chicago, Maywood, IL
| | - Kiang Liu
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Erin D. Michos
- Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Linda Brubaker
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of California San Diego, La Jolla, CA
| | - Talar Markossian
- Department of Public Health Sciences, Loyola University Chicago, Maywood, IL
| | - Michael P. Bancks
- Department of Epidemiology and Prevention, Wake Forest University School of Medicine, Winston-Salem NC
| | - Holly Kramer
- Department of Public Health Sciences, Loyola University Chicago, Maywood, IL
- Department of Medicine, Loyola University Chicago, Maywood, IL
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Donovan J, Forrest G, Linsenmeyer T, Kirshblum S. Spinal Cord Stimulation After Spinal Cord Injury: Promising Multisystem Effects. CURRENT PHYSICAL MEDICINE AND REHABILITATION REPORTS 2021. [DOI: 10.1007/s40141-020-00304-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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22
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Treatment of Overactive Bladder in the Frail Patient. CURRENT BLADDER DYSFUNCTION REPORTS 2020. [DOI: 10.1007/s11884-020-00621-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Wolff DT, Adler KA, Weinstein CS, Weiss JP. Managing Nocturia in Frail Older Adults. Drugs Aging 2020; 38:95-109. [PMID: 33230803 DOI: 10.1007/s40266-020-00815-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/31/2020] [Indexed: 12/17/2022]
Abstract
This review discusses the available evidence in the current evaluation and treatment of nocturia in frail older adults. No evidence specifically evaluates the use of behavioral interventions in the treatment of the frail older adult with nocturia, but their use is supported in other cohorts. Behavioral modifications and optimal management of comorbidities remain the first-line treatment for all age groups and should be emphasized in the frail due to their favorable safety profile. No studies specific to the frail older adult support the use of pharmacotherapy. Some evidence exists for the efficacy of several agents in the older adult; however, this is difficult to extrapolate to the frail, and safety concerns abound. Desmopressin may be effective in the older adult, but a high risk of hyponatremia raises concerns for its safety, and therefore it is not recommended in the frail. α-Antagonists may have limited efficacy in men with known benign prostatic hyperplasia (BPH); they are relatively well tolerated, although the risk of orthostatic hypotension in the frail should be considered. β3-agonist trials suggest limited clinical utility. Antimuscarinics are not found to be useful in this cohort and are contraindicated in the frail older adult given the ability of antimuscarinics to cause cognitive impairment, delirium, and falls. No data examine the use of nonsteroidal anti-inflammatory drugs (NSAIDs) in the frail older adult. Additionally, the American Geriatrics Society Beers Criteria recommends against the use of muscarinics in those over the age of 75 years and therefore their use is not supported.
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Affiliation(s)
- Dylan T Wolff
- Department of Urology, SUNY Downstate Health Sciences University, 450 Clarkson Ave, Brooklyn, NY, 11203, USA.
| | - Kerry A Adler
- Department of Urology, SUNY Downstate Health Sciences University, 450 Clarkson Ave, Brooklyn, NY, 11203, USA
| | - Corey S Weinstein
- Department of Urology, SUNY Downstate Health Sciences University, 450 Clarkson Ave, Brooklyn, NY, 11203, USA
| | - Jeffrey P Weiss
- Department of Urology, SUNY Downstate Health Sciences University, 450 Clarkson Ave, Brooklyn, NY, 11203, USA
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Bauer SR, Jin C, Kamal P, Suskind AM. Association Between Lower Urinary Tract Symptoms and Frailty in Older Men Presenting for Urologic Care. Urology 2020; 148:230-234. [PMID: 33049232 DOI: 10.1016/j.urology.2020.09.041] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 09/16/2020] [Accepted: 09/29/2020] [Indexed: 12/30/2022]
Abstract
OBJECTIVE To evaluate the association between non-neurogenic lower urinary tract symptoms (LUTS) and frailty among treatment-seeking older men. METHODS This is a cross-sectional study of male patients age 65 years and older presenting to an academic urology practice between December 2015 and March 2019. Men with cancer, neurologic disease, indwelling catheter, or continuous leakage were excluded. Participants completed a Timed-Up-and-Go-Test (TUGT) which was used to categorize men as fast (≤10 seconds), intermediate (11-14 seconds), or slow (≥15 seconds). Participants with the following diagnoses were identified using billing codes extracted from the electronic medical record: overactive bladder (OAB), benign prostatic hyperplasia (BPH), mixed OAB/BPH, or non-LUTS urologic condition. Multivariable associations were evaluated using multinomial logistic regression models adjusted for age, race, and body mass index. RESULTS Among 2206 men included in our sample, 64% were fast (mean TUGT time: 8.3 ± 1.2 seconds), 25% were intermediate (mean TUGT time: 12.0 ± 1.0 seconds), and 11% were slow (mean TUGT time: 18.5 ± 4.7 seconds). Subjects with slow TUGT times were more likely to be older, non-White, and have LUTS. Compared to non-LUTS conditions, OAB (odds ratio [OR] = 2.62, 95% CI 1.74, 3.93), BPH (OR = 1.70, 95% 1.14, 2.55), and mixed OAB/BPH (OR = 1.82, 95% 1.14, 2.92) were all associated with increased odds of slow TUGT time. LUTS diagnosis was not significantly associated with intermediate TUGT time. CONCLUSION LUTS diagnosis, particularly OAB, is associated with increased odds of slow TUGT time, a surrogate of frailty, compared to non-LUTS conditions. Frailty is common among older men with LUTS and should be considered during the initial urological evaluation.
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Affiliation(s)
- Scott R Bauer
- Department of Medicine, University of California, San Francisco, CA; Department of Urology, University of California, San Francisco, CA; Veterans Affairs Medical Center, San Francisco, CA.
| | - Chengshi Jin
- Department of Urology, University of California, San Francisco, CA
| | - Puneet Kamal
- Department of Urology, University of California, San Francisco, CA
| | - Anne M Suskind
- Department of Urology, University of California, San Francisco, CA
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A single-cell transcriptomic atlas characterizes ageing tissues in the mouse. Nature 2020; 583:590-595. [PMID: 32669714 PMCID: PMC8240505 DOI: 10.1038/s41586-020-2496-1] [Citation(s) in RCA: 532] [Impact Index Per Article: 133.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 05/07/2020] [Indexed: 01/10/2023]
Abstract
Ageing is characterized by a progressive loss of physiological integrity, leading to impaired function and increased vulnerability to death1. Despite rapid advances over recent years, many of the molecular and cellular processes that underlie the progressive loss of healthy physiology are poorly understood2. To gain a better insight into these processes, here we generate a single-cell transcriptomic atlas across the lifespan of Mus musculus that includes data from 23 tissues and organs. We found cell-specific changes occurring across multiple cell types and organs, as well as age-related changes in the cellular composition of different organs. Using single-cell transcriptomic data, we assessed cell-type-specific manifestations of different hallmarks of ageing-such as senescence3, genomic instability4 and changes in the immune system2. This transcriptomic atlas-which we denote Tabula Muris Senis, or 'Mouse Ageing Cell Atlas'-provides molecular information about how the most important hallmarks of ageing are reflected in a broad range of tissues and cell types.
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Mostafaei H, Shariat SF, Salehi-Pourmehr H, Janisch F, Mori K, Quhal F, Hajebrahimi S. The clinical pharmacology of the medical treatment for overactive bladder in adults. Expert Rev Clin Pharmacol 2020; 13:707-720. [PMID: 32500759 DOI: 10.1080/17512433.2020.1779056] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
INTRODUCTION Overactive bladder is a prevalent symptom complex that affects the patient's quality of life. Any disruption between the neuronal micturition pathway can lead to bladder overactivity. Neurogenic causes, myogenic causes, aging, bladder outlet obstruction, sex, and psychological factors are some of the factors contributing to bladder overactivity. The complaint of any symptoms of OAB, which is highly prevalent and affects overall QOL, often needs therapeutic interventions. When conservative therapy methods fail, the addition of medications is recommended. The most commonly used agents for the treatment of OAB are antimuscarinic drugs. New classes of drugs, such as beta-3 agonists, have enriched our pharmacologic armamentarium. AREAS COVERED In this review, with a special focus on oral pharmacological treatments, we discussed the definition, etiology, symptoms, diagnosis, and management of OAB. EXPERT OPINION OAB is a multifactorial condition with every patient presenting with a different collection of symptoms and signs. Medical therapies should be given in conjunction with behavioral therapies. Using high or low doses, flexible doses, and stopping or changing the medications are interchangeable strategies based on the level of treatment efficacy and patient satisfaction.
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Affiliation(s)
- Hadi Mostafaei
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna , Vienna, Austria.,Research Center for Evidence Based Medicine, Tabriz University of Medical Sciences , Tabriz, Iran
| | - Shahrokh F Shariat
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna , Vienna, Austria.,Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University , Moscow, Russia.,Department of Urology, University of Texas Southwestern Medical Center , Dallas, TX, USA.,Department of Urology, Second Faculty of Medicine, Charles University , Prague, Czech Republic.,Department of Urology, Weill Cornell Medical College , New York, NY, USA.,Karl Landsteiner Institute of Urology and Andrology , Vienna, Austria.,Department of Urology, University of Jordan , Amman, Jordan
| | - Hanieh Salehi-Pourmehr
- Research Center for Evidence Based Medicine, Tabriz University of Medical Sciences , Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences , Tabriz, Iran
| | - Florian Janisch
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna , Vienna, Austria.,Department of Urology, Medical University of Hamburg , Hamburg, Germany
| | - Keiichiro Mori
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna , Vienna, Austria.,Department of Urology, The Jikei University School of Medicine , Tokyo, Japan
| | - Fahad Quhal
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna , Vienna, Austria.,King Fahad Specialist Hospital-Dammam , Saudi Arabia
| | - Sakineh Hajebrahimi
- Research Center for Evidence Based Medicine, Tabriz University of Medical Sciences , Tabriz, Iran
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Song S, Jin C, Kamal P, Suskind AM. The association between frailty and detrusor overactivity in older adults. Neurourol Urodyn 2020; 39:1584-1591. [PMID: 32483874 DOI: 10.1002/nau.24414] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 04/25/2020] [Accepted: 05/21/2020] [Indexed: 12/29/2022]
Abstract
OBJECTIVE To explore the relationship between frailty, age, and detrusor overactivity (DO) in older adults presenting to an academic urology practice. MATERIALS AND METHODS This study uses the University of California, San Francisco Geriatric Urology Database to examine all adults ages ≥65 years who underwent urodynamic testing from December 2015 to April 2019. All subjects had a timed up and go test (TUGT) as a measure of frailty and were categorized as fast (≤10 seconds), intermediate (11-14 seconds), or slow (≥15 seconds), corresponding to not frail, pre-frail, and frail, respectively. Urodynamic studies were reviewed for the presence of DO. Univariate and multivariate logistic regression were used to examine the relationship between frailty, age, and the presence of DO. RESULTS In total, 549 older adults underwent urodynamics during the study period, and 48.5% had a study that demonstrated DO. Individuals with DO tended to be older (18.4% vs 11.0% were ≥80 years; P = .01) and more frail (19.5% vs 13.4% with TUGT ≥5 seconds; P < .01). Multivariate regression demonstrated that DO was associated with both pre-frail and frail TUGT times (adjusted odds ratio [aOR], 2.1; 95% confidence interval [CI], 1.3-3.4; P < .01 for TUGT 11-14 seconds, and aOR, 2.1; 95% CI, 1.1-4.0; P = .02 for TUGT ≥15 seconds). Age was not found to be significantly associated with DO (P's > .05). CONCLUSIONS Frailty, not age, is associated with DO among older adults undergoing urodynamics. Further research on the role of frailty in the evaluation and management of older adults with DO is warranted to best serve the needs of this population.
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Affiliation(s)
- Sikai Song
- Department of Urology, University of California-San Francisco, San Francisco, California
| | - Chengshi Jin
- Department of Biostatistics and Epidemiology, University of California-San Francisco, San Francisco, California
| | - Puneet Kamal
- Department of Urology, University of California-San Francisco, San Francisco, California
| | - Anne M Suskind
- Department of Urology, University of California-San Francisco, San Francisco, California
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Teixeira Alve A, Azevedo Garcia P, Henriques Jácomo R, Batista de Sousa J, Borges Gullo Ramos Pereira L, Barbaresco Gomide Mateus L, Gomes de Oliveira Karnikoskwi M. Effectiveness of transcutaneous tibial nerve stimulation at two different thresholds for overactive bladder symptoms in older women: a randomized controlled clinical trial. Maturitas 2020; 135:40-46. [PMID: 32252963 DOI: 10.1016/j.maturitas.2020.02.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 10/01/2019] [Accepted: 02/23/2020] [Indexed: 01/24/2023]
Abstract
OBJECTIVES To compare the effectiveness of transcutaneous tibial nerve stimulation (TTNS) at two different current amplitude thresholds (sensory and motor) in terms of urinary habit, symptoms and the degree of discomfort of overactive bladder (OAB) in older women. STUDY DESIGN This is a randomized, controlled, 3-arm blinded trial. One hundred and one patients attending secondary care with OAB were randomized into one of three groups: group 1, TTNS sensitivity threshold (n = 39); group 2, TTNS motor threshold (n = 33); and control group 3 (n = 29). MAIN OUTCOME MEASURES Participants allocated to groups 1 and 2 had 8 sessions of TTNS for 30 min, twice a week. Group 3 received no intervention. The results measured were the symptoms of overactive bladder (ICIQ-OAB, overall score), bother scales (to indicate the impact of individual symptoms for the patient) and urinary habit (3-day bladder diary). A blind assessor measured outcomes at baseline and 5 weeks after randomization. RESULTS After five weeks, a statistically significant difference between group 3 (control) and group 1 (TTNS sensitivity threshold) and group 2 (TTNS motor threshold) was observed in the intergroup analysis, but no difference in the outcomes analyzed was detected between the two groups receiving intervention (groups 1 and 2). CONCLUSION TTNS is effective in the treatment of OAB in older women, with no difference between the sensitivity and motor thresholds. CLINICAL TRIAL REGISTRATION NUMBER Registro Brasileiros de Ensaios Clínicos (RBR-39DZ5V).
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Affiliation(s)
- Aline Teixeira Alve
- University of Brasilia, Centro Metropolitano, Conjunto A, Lote 01, Universidade De Brasília - Campus Ceilândia, Zip-code: 72220-90 Brasília, DF, Brazil.
| | - Patrícia Azevedo Garcia
- University of Brasília, Centro Metropolitano, Conjunto A, Lote 0, Universidade De Brasília - Campus Ceilândia, Zip-code: 72220-90 Brasília, DF, Brazil.
| | - Raquel Henriques Jácomo
- Physiotherapist. University Hospital of Brasilia, Unit of Rehabilitation Hospital Universitário De Brasília SGAN 605, Av. L2 Norte, Unidade De Reabilitação, Zip-code: 70.840-901 Brasília, DF Brazil.
| | - João Batista de Sousa
- University of Brasilia, Hospital Universitário De Brasília SGAN 605, Av. L2 Norte Clínica Cirúrgica Zip-code: 70.840-901 Brasília, DF, Brazil.
| | - Lara Borges Gullo Ramos Pereira
- Regional Hospital of Sobradinho, Ospital Regional De Sobradinho Quadra 12, Área Especial, Zip-code: 70.297-400 Brasília, DF, Brazil.
| | - Liana Barbaresco Gomide Mateus
- University of Brasília, Centro Metropolitano, Conjunto A, Lote 01, Universidade De Brasília - Campus Ceilândia, Zip-code: 72220-90 Brasília, DF, Brazil.
| | - Margô Gomes de Oliveira Karnikoskwi
- University of Brasília, Centro Metropolitano, Conjunto A, Lote 01, Universidade De Brasília - Campus Ceilândia Zip-code: 72220-90 Brasília, DF, Brazil.
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Leufgens F, Berneking V, Vögeli TA, Kirschner-Hermanns R, Eble MJ, Pinkawa M. Quality of Life Changes >10 Years After Postoperative Radiation Therapy After Radical Prostatectomy for Prostate Cancer. Int J Radiat Oncol Biol Phys 2019; 105:382-388. [PMID: 31201895 DOI: 10.1016/j.ijrobp.2019.06.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 05/20/2019] [Accepted: 06/01/2019] [Indexed: 02/09/2023]
Abstract
PURPOSE To analyze long-term quality-of-life (QoL) changes related to postoperative radiation therapy (RT) after radical prostatectomy. METHODS AND MATERIALS Patients who received postoperative 3-dimensional conformal RT in the years 2003 to 2008 with 1.8 to 2.0 Gy fractions up to 66.0 to 66.6 Gy (n = 181) were surveyed using the Expanded Prostate Cancer Index Composite questionnaire before the beginning of RT (A); on the last day (B); and 2 months (C), 1 to 3 years (D), 6 to 9 years (E), and 10 to 13 years (F) after RT. RESULTS Mean urinary bother, urinary incontinence bother, and bowel bother score changes (in relation to baseline at time A) of 13, 14, and 7 and 14, 15, and 7 were found at times E and F, respectively (P < .01 for all comparisons). Sexual function scores decreased 6 and 8 points on average (P < .01). Patient age at the time of RT had a considerable impact on urinary bother and urinary incontinence bother, with increasing differences over time when comparing patients aged <68 versus ≥68 years: 0 versus 7 and 0 versus 7 points at time D and 8 versus 23 and 6 versus 35 points at time F, respectively. Patients who did not respond to RT with a decreasing prostate-specific antigen level had greater urinary and urinary incontinence bother and bowel bother score changes >10 years after treatment (25 vs 12; P = .04, 36 vs 10; P = .03, and 20 vs 5; P = .07, respectively). A higher rectal dose was associated with greater acute and long-term bowel bother score decrease. No correlation was found between the dose to the bladder and QoL changes. CONCLUSIONS In contrast to early evaluations in the first years, significantly decreasing QoL in the urinary, bowel, and sexual domains was found >5 years after RT. Aging is likely to be a major factor. Younger patients who responded to the treatment had the most favorable long-term QoL results. As 3-dimensional conformal RT was used in this study, intensity modulated concepts could result in improved outcomes.
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Affiliation(s)
| | - Vanessa Berneking
- Department of Radiation Oncology, RWTH Aachen University, Aachen, Germany; Department of Radiation Oncology, MediClin Robert Janker Klinik, Bonn, Germany
| | | | | | - Michael J Eble
- Department of Radiation Oncology, RWTH Aachen University, Aachen, Germany
| | - Michael Pinkawa
- Department of Radiation Oncology, RWTH Aachen University, Aachen, Germany; Department of Radiation Oncology, MediClin Robert Janker Klinik, Bonn, Germany.
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Chen LC, Kuo HC. Pathophysiology of refractory overactive bladder. Low Urin Tract Symptoms 2019; 11:177-181. [PMID: 30900373 DOI: 10.1111/luts.12262] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 01/26/2019] [Accepted: 02/27/2019] [Indexed: 12/15/2022]
Abstract
Overactive bladder (OAB) is a common condition. The International Continence Society defines OAB as a symptom complex characterized by urgency with or without urge incontinence, usually with frequency and nocturia. The first-line treatment for OAB includes behavioral therapy, such as caffeine reduction, fluid intake modification, weight reduction, bladder training, and pelvic floor muscle training, as well as treatment with antimuscarinic or β3 -adrenoceptor agonist medications. However, less than half of all cases achieve satisfactory outcomes following first-line treatment. Second-line therapy considered if satisfactory responses are not achieved after 8 to 12 weeks treatment with first-line therapy include intradetrusor botulinum toxin injection, neuromodulation, and surgical treatment. Patients with refractory OAB may have more severe symptoms or underlying pathophysiologies that were not resolved by the initial medication. The pathophysiologies of refractory OAB include occult neurogenic bladder, undetected bladder outlet obstruction, urethral-related OAB, urothelial dysfunction with aging, chronic bladder ischemia, chronic bladder inflammation, central sensitization, and autonomic dysfunction. This article discusses the possible pathophysiologies of refractory OAB.
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Affiliation(s)
- Li-Chen Chen
- Department of Urology, Mackay Memorial Hospital, Taipei, Taiwan.,Department of Medicine, Mackay Medical College, Taipei, Taiwan
| | - Hann-Chorng Kuo
- Department of Urology, Buddhist Tzu Chi General Hospital and Tzu Chi University, Hualien, Taiwan
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Matsuo T, Miyata Y, Sakai H. Effect of salt intake reduction on nocturia in patients with excessive salt intake. Neurourol Urodyn 2019; 38:927-933. [PMID: 30706965 DOI: 10.1002/nau.23929] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 12/04/2018] [Accepted: 12/26/2018] [Indexed: 12/29/2022]
Abstract
AIMS To assess the efficacy of salt reduction for improving nocturia in patients with high salt intake. METHODS Changes in lower urinary symptoms and frequency volume chart by salt intake (men: 8 g/day; women: ≥7 g/day) were analyzed in this prospective study. Patients were instructed to use a brochure for salt intake restriction via interview once every four weeks. The daily salt intake was estimated by using spot urine samples. RESULTS Two-hundred twenty-three (69.5%) patients were successful in reducing their daily salt intake (S group), whereas 98 (30.5%) patients failed to reduce their salt intake (F group). In the S group, nocturia improved from 2.3 ± 0.9 to 1.4 ± 1.0, and nocturnal polyuria index (NPi) improved from 30.2 ± 7.5 to 27.7 ± 7.3% (P < 0.001). In the Core Lower Urinary Tract Symptom Score (CLSS) of the S group, Q3 (urgency) improved from 1.0 ± 1.0 to 0.9 ± 1.0 (P = 0.001); Q1 (diurnal frequency) (P < 0.001), and Q2 (nocturia) also improved (P < 0.001). Moreover, the quality of life parameter improved significantly (P < 0.001). The patients in the F group did not have improvements in any symptom during the study period. CONCLUSIONS Patients with nocturia who also have high salt intake should be advised to reduce their salt intake, as a lifestyle modification. Our results support the importance of randomized clinical trials with larger populations and the appropriate inclusion/exclusion criteria to conclude the clinical usefulness of salt reduction in this patient cohort.
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Affiliation(s)
- Tomohiro Matsuo
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yasuyoshi Miyata
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Hideki Sakai
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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Chen L, He PL, Yang J, Yang YF, Wang K, Amend B, Stenzl A, Zhang YM, Wang ZL, Xing SS, Luo X. NLRP3/IL1β inflammasome associated with the aging bladder triggers bladder dysfunction in female rats. Mol Med Rep 2019; 19:2960-2968. [PMID: 30720125 PMCID: PMC6423574 DOI: 10.3892/mmr.2019.9919] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 01/10/2019] [Indexed: 12/15/2022] Open
Abstract
Bladder dysfunction is associated with fibrosis-mediated aging, but the corresponding mechanism remains to be elucidated. Activation of the NACHT, LRR and PYD domains-containing protein 3 (NLRP3) inflammasome is related to chronic diseases associated with aging, including organ fibrosis. The present study aimed to explore the role of NLRP3/interleukin 1β in aging-associated bladder dysfunction. Female Sprague-Dawley rats were divided into the following two groups (n=10 rats/group): 2-month-old group (young group) and 24-month-old group (old group). Urodynamics were performed to assess the bladder function of the rats. The histological alterations were identified using Masson's trichrome staining. The protein expression of the NLRP3 inflammasome and NAD-dependent protein deacetylase sirtuin-3, mitochondrial (SIRT3) were detected by western blot analysis, and immunohistochemistry was used to examine a senescence marker (p21) and the NLRP3 inflammasome in the bladder. The localization of the key molecule Caspase1 was determined using immunofluorescence. The voiding time was longer in the old group compared with the young group. The expression levels of SIRT3 were reduced in the bladders of the old group, while those of the NLRP3 inflammasome and the senescence marker were significantly higher in the bladders of the old group compared with the young group. Increased collagen deposition leads to chronic bladder fibrosis with increased NLRP3. In the histological examination, the bladders of the old group displayed increased collagen deposition, urothelial thinning and detrusor shrinkage compared with the young group. Tissue fibrosis and urothelial alterations are the principal causes of bladder dysfunction during aging. Downregulated SIRT3 and upregulated expression of the NLRP3 inflammasome are involved in the degradation of aging bladders. Inflamm-aging is a novel mechanism underlying bladder dysfunction.
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Affiliation(s)
- Lin Chen
- Department of Urology, Affiliated Hospital of Chengdu University, Chengdu, Sichuan 610000, P.R. China
| | - Ping-Lin He
- Department of Urology, Affiliated Hospital of Chengdu University, Chengdu, Sichuan 610000, P.R. China
| | - Jin Yang
- Department of Urology, Affiliated Hospital of Chengdu University, Chengdu, Sichuan 610000, P.R. China
| | - Ya-Fei Yang
- Department of Urology, Affiliated Hospital of Chengdu University, Chengdu, Sichuan 610000, P.R. China
| | - Kai Wang
- Department of Urology, Affiliated Hospital of Chengdu University, Chengdu, Sichuan 610000, P.R. China
| | - Bastian Amend
- Department of Urology, University of Tübingen, D-72074 Tübingen, Germany
| | - Arnulf Stenzl
- Department of Urology, University of Tübingen, D-72074 Tübingen, Germany
| | - Ya-Mei Zhang
- Central Laboratory, Affiliated Hospital of Chengdu University, Chengdu, Sichuan 610000, P.R. China
| | - Zi-Li Wang
- Department of Urology, Affiliated Hospital of Chengdu University, Chengdu, Sichuan 610000, P.R. China
| | - Sha-Sha Xing
- Central Laboratory, Affiliated Hospital of Chengdu University, Chengdu, Sichuan 610000, P.R. China
| | - Xu Luo
- Department of Urology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563003, P.R. China
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The Non-neurogenic Overactive Bladder: an Update. CURRENT OBSTETRICS AND GYNECOLOGY REPORTS 2018. [DOI: 10.1007/s13669-018-0248-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Knüpfer SC, Liechti MD, van der Lely S, Gregorini F, Schubert M, De Wachter S, Kessler TM, Mehnert U. Sensory evoked cortical potentials of the lower urinary tract in healthy men. Neurourol Urodyn 2018; 37:2614-2624. [PMID: 29717501 DOI: 10.1002/nau.23600] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Accepted: 03/28/2018] [Indexed: 11/11/2022]
Abstract
AIMS To assess the afferent innervation of various locations in the male lower urinary tract (LUT) using sensory evoked cortical potentials (SEPs). METHODS Twelve healthy men (mean age: 29.6 ± 7.2 years, mean height: 1.8 ± 0.1 m) underwent repetitive slow (0.5 Hz/1 ms) and fast (3 Hz/0.2 ms) electrical stimulations of bladder (dome/trigone) and urethral (proximal/membranous/distal) locations with simultaneous cortical SEP recording (Cz-Fz). Latencies (ms) and peak-to-peak amplitudes (μV) for SEP components P1, N1, and P2 were analyzed. Tibial SEPs were assessed as methodological control. The reproducibility was investigated from between visits and inter-rater assessments using Bland-Altman plots. Statistical tests comprised analysis of variance (ANOVA), linear regressions, and paired t-tests. Values are given as mean ± standard deviation. RESULTS Typical LUTSEPs with P1, N1, and P2 components were successfully detected (100% responder rate) for slow but less successfully for fast stimulation. The slow stimulation provided reproducible LUTSEPs with position specific N1 latencies: dome 125.6 ± 21.3 ms, trigone 122.9 ± 20.5 ms, proximal- 116.1 ± 21.4 ms, membraneous- 118.8 ± 29.3 ms, and distal urethra 108.8 ± 17.8 ms. Despite good inter-rater agreement, latency variability between and within subjects was higher for LUTSEPs than for tibial SEPs. N1 latencies became shorter (P < 0.01) with increasing subject age for bladder dome and distal urethra stimulation. CONCLUSIONS LUTSEPs can be successfully obtained for different LUT locations in men using slow electrical stimulation. Location specific differences in N1 latencies may indicate different local afferent innervation. Larger variability of LUTSEPs versus tibial SEPs may be related to the more challenging approach and afferent fibre access within the LUT. Further studies optimizing measurement and analysis approach are required.
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Affiliation(s)
- Stephanie C Knüpfer
- Neuro-Urology, Spinal Cord Injury Center and Research Lab, University of Zürich, Balgrist University Hospital, Zürich, Switzerland
| | - Martina D Liechti
- Neuro-Urology, Spinal Cord Injury Center and Research Lab, University of Zürich, Balgrist University Hospital, Zürich, Switzerland
| | - Stéphanie van der Lely
- Neuro-Urology, Spinal Cord Injury Center and Research Lab, University of Zürich, Balgrist University Hospital, Zürich, Switzerland
| | - Flavia Gregorini
- Neuro-Urology, Spinal Cord Injury Center and Research Lab, University of Zürich, Balgrist University Hospital, Zürich, Switzerland
| | - Martin Schubert
- Neurology and Neurophysiology, Spinal Cord Injury Center and Research Lab, University of Zürich, Balgrist University Hospital, Zürich, Switzerland
| | - Stefan De Wachter
- Department of Urology, Antwerp University Hospital and Faculty of Medicine, University of Antwerp, Antwerp, Belgium
| | - Thomas M Kessler
- Neuro-Urology, Spinal Cord Injury Center and Research Lab, University of Zürich, Balgrist University Hospital, Zürich, Switzerland
| | - Ulrich Mehnert
- Neuro-Urology, Spinal Cord Injury Center and Research Lab, University of Zürich, Balgrist University Hospital, Zürich, Switzerland
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Abstract
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.
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