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El-Tholoth HS, Alsulihem A. Bladder outflow obstruction in women: Clinical and basic evaluation. Neurourol Urodyn 2024. [PMID: 38197725 DOI: 10.1002/nau.25386] [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: 06/30/2023] [Revised: 11/07/2023] [Accepted: 12/22/2023] [Indexed: 01/11/2024]
Abstract
AIM Female bladder outflow obstruction is an underdiagnosed and undermanaged condition. This review article aims to illustrate the basic and clinical evaluation of patients who might have this condition. REVIEW Clinical evaluation includes clinical history, examination, and basic investigations, including uroflowmetry and postvoid residual, urinalysis and culture, renal function assessment, ultrasound of kidneys and bladder, voiding cystourethrography, and magnetic resonance imaging. Based on the initial evaluation, if the concern of obstruction is high, the clinician might undergo further advanced evaluation. CONCLUSION Basic evaluation is the initial step in the diagnosis of female bladder outflow obstruction, the clinician need to have a high index of suspicion and often further advanced evaluation is needed to confirm the diagnosis.
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Affiliation(s)
- Hossam S El-Tholoth
- Department of Urology, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
| | - Ali Alsulihem
- Department of Urology, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
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2
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Wesolowski CA. Reference standard analysis of multiple new and old plasma clearance models and renal clearance with special attention to measurement of reduced glomerular filtration rate. Scand J Clin Lab Invest 2023; 83:548-568. [PMID: 38219224 DOI: 10.1080/00365513.2023.2275278] [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: 03/15/2023] [Accepted: 10/22/2023] [Indexed: 01/16/2024]
Abstract
Nine models were evaluated as candidate glomerular filtration rate (GFR) reference standards in three datasets using [51Cr(EDTA)]- or [169Yb(DTPA)]2- anions in 98 studies. Noncompartmental methods formed an upper limit for estimating mass excreted and voluntary urine collection formed a lower limit. For current models and methods, reduced GFR in adults resulted in inflated clearance estimates. Two different logarithmic models with exponential tails were created and may have underestimated reduced clearance. The logarithmic formulae can be used with only two plasma samples, and fit 13 multiple time-samples from 5 min to 24 h with an 8% standard deviation of residuals compared to 20% error for monoexponentials. For shorter times (4 or 5 h) the fit errors decreased but the ratio of errors remained at circa 2.5 times lesser for the logarithmic versus monoexponential models. Adaptively regularised gamma variate, Tk-GV, models that are well documented, but not in common use, were largely contained within the reference extreme values, were unbiased for different levels of clearance and were the only models to be uncorrelated to volume of distribution from mean residence time divided by weight. Using Tk-GV as a candidate reference standard, potentially better methods for routine clinical usage were discussed. Prospective clinical testing, and metabolic scaling of decreased renal function is advised for potential changes to patient triage.
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Affiliation(s)
- Carl A Wesolowski
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Canada
- Department of Medical Imaging, Royal University Hospital, College of Medicine, University of Saskatchewan, Saskatoon, Canada
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3
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Latest Evidence on Post-Prostatectomy Urinary Incontinence. J Clin Med 2023; 12:jcm12031190. [PMID: 36769855 PMCID: PMC9917389 DOI: 10.3390/jcm12031190] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/28/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
A radical prostatectomy is frequently used as the first-line treatment for men with prostate cancer. Persistent urinary incontinence after surgery is one of the most severe adverse events. We report the results of a comprehensive literature search focused on post-prostatectomy urinary incontinence (PPI), performed by a panel of experts on non-neurogenic lower urinary tract symptoms. The data on the prevalence and timing of PPI are very heterogeneous. The etiology of PPI can be multifactorial and mainly dependent on patient characteristics, lower urinary tract function or surgical issues. The medical history with a physical examination, the use of validated questionnaires with a voiding diary and pad tests are determinants in identifying the contributing factors and choosing the right treatment. Lifestyle intervention and urinary containment are the most frequently used strategies for the conservative management of PPI, while antimuscarinics, beta-3 agonists and duloxetine (off-label) are drugs indicated to manage PPI with a concomitant overactive bladder. Surgical therapies for the management of post-prostatectomy SUI include non-adjustable trans-obturator slings in men with mild-to-moderate incontinence and an artificial urinary sphincter in men with moderate-to-severe incontinence.
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Isozaki Y, Umezawa A, Iwata H. Development of Self-Destructive Urine Detection Film Using Water-soluble Resin. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2022; 2022:861-864. [PMID: 36086278 DOI: 10.1109/embc48229.2022.9871432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The increasingly aging population in Japan, has given rise to a shortage of caregiver availability. By the year 2025, it is projected that there will be a need for 380,000 caregivers. One of Caregivers' compulsory tasks consists in checking diapers every 2 hours both during the day and at night. It becomes even more burdensome when they must also do this around or after midnight, depriving them of quality sleep. The use of excretion detector devices may provide a solution to this problem. However, there are sanitary limitations to the recovery and reuse of such devices. Additionally, there is obvious discomfort that comes with attaching a large device to a diaper. To address this challenge, the disposability, and ultra-thinness of the device presented in this study are paramount. We developed and evaluated disposable film-based urine detector devices for caregivers use.
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Gacci M, Sakalis VI, Karavitakis M, Cornu JN, Gratzke C, Herrmann TRW, Kyriazis I, Malde S, Mamoulakis C, Rieken M, Schouten N, Smith EJ, Speakman MJ, Tikkinen KAO, Gravas S. European Association of Urology Guidelines on Male Urinary Incontinence. Eur Urol 2022; 82:387-398. [PMID: 35697561 DOI: 10.1016/j.eururo.2022.05.012] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 05/17/2022] [Indexed: 11/04/2022]
Abstract
CONTEXT Urinary incontinence (UI) is a common condition in elderly men causing a severe worsening of quality of life, and a significant cost for both patients and health systems. OBJECTIVE To report a practical, evidence-based, guideline on definitions, pathophysiology, diagnostic workup, and treatment options for men with different forms of UI. EVIDENCE ACQUISITION A comprehensive literature search, limited to studies representing high levels of evidence and published in the English language, was performed. Databases searched included Medline, EMBASE, and the Cochrane Libraries. A level of evidence and a grade of recommendation were assigned. EVIDENCE SYNTHESIS UI can be classified into stress urinary incontinence (SUI), urge urinary incontinence (UUI), and mixed urinary incontinence. A detailed description of the pathophysiology and diagnostic workup has been reported. Simple clinical interventions, behavioural and physical modifications, and pharmacological treatments comprise the initial management for all kinds of UI. Surgery for SUI includes bulking agents, male sling, and compression devices. Surgery for UUI includes bladder wall injection of botulinum toxin A, sacral nerve stimulation, and cystoplasty/urinary diversion. CONCLUSIONS This 2022 European Association of Urology guideline summary provides updated information on definition, pathophysiology, diagnosis, and treatment of male UI. PATIENT SUMMARY Male urinary incontinence comprises a broad subject area, much of which has been covered for the first time in the literature in a single manuscript. The European Association of Urology Non-neurogenic Male Lower Urinary Tract Symptoms Guideline Panel has released this new guidance, with the aim to provide updated information for urologists to be able to follow diagnostic and therapeutic indications for optimising patient care.
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Affiliation(s)
- Mauro Gacci
- Unit of Urological Robotic Surgery and Renal Transplantation, University of Florence, Careggi Hospital, Florence, Italy; Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy.
| | - Vasileios I Sakalis
- Department of Urology, Agios Pavlos General Hospital of Thessaloniki, Thessaloniki, Greece
| | - Markos Karavitakis
- Department of Urology, University General Hospital of Heraklion, University of Crete Medical School, Heraklion, Crete, Greece
| | - Jean-Nicolas Cornu
- Department of Urology, CHU Hôpitaux de Rouen - Hôpital Charles Nicolle, Rouen, France
| | - Christian Gratzke
- Department of Urology, University Hospital Freiburg, Freiburg, Germany
| | | | - Iason Kyriazis
- Department of Urology, General University Hospital of Patras, Patras, Greece
| | - Sachin Malde
- Department of Urology, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Charalampos Mamoulakis
- Department of Urology, University General Hospital of Heraklion, University of Crete Medical School, Heraklion, Crete, Greece
| | | | - Natasha Schouten
- European Association of Urology Guidelines Office, Arnhem, The Netherlands
| | - Emma J Smith
- European Association of Urology Guidelines Office, Arnhem, The Netherlands
| | - Mark J Speakman
- Department of Urology, Taunton & Somerset Hospital, Taunton, UK
| | - Kari A O Tikkinen
- Department of Urology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland; Department of Surgery, South Karelia Central Hospital, Lappeenranta, Finland
| | - Stavros Gravas
- Department of Urology, Medical School, University of Cyprus, Nicosia, Cyprus
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6
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Kikuchi D, Kato Y, Takayama M, Kanzaki S, Ito A, Ikarashi D, Maekawa S, Kato R, Seo T, Owari Y, Nozawa T, Isurugi K, Fujisawa H, Ujiie T, Kanehira M, Takata R, Obara W. A prospective study on the association between post-voiding residual volume and quality of life during bacille Calmette-Guérin (BCG) instillation therapy for non–muscle-invasive bladder cancer. JOURNAL OF CLINICAL UROLOGY 2021. [DOI: 10.1177/2051415820950847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Objectives: The aim of this study was to investigate the relationship between quality of life (QOL) and residual urine volume in patients undergoing bacille Calmette-Guérin (BCG) therapy. Methods: Patients requiring BCG therapy, including those with carcinoma in situ, were enrolled prospectively. The urine volume collected through urethral catheterization was measured as post-voiding residual volume (PVR) during BCG therapy. Patients were divided into two groups: small PVR (SPVR), with PVR less than 30 ml, and large PVR (LPVR), with PVR greater than or equal to 30 ml. QOL status was assessed using the European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 system before and after BCG therapy. Moreover, some patients were assessed by International Prostate Symptom Score (IPSS) at the same time as assessment with the EORTC QLQ-C30 system. The primary end point was the evaluation of QOL during BCG therapy. Results: Among the 69 patients with non–muscle-invasive bladder cancer included in this study, 43 were in the SPVR group and 26 were in the LPVR group. The proportions of women and analgesic use in the SPVR group were higher than that in the LPVR group; however, medication use for dysuria in the SPVR group was less than that in the LPVR group. In the QOL analyses, cognitive function and emotional function in the functional scale and fatigue, nausea/vomiting, and dyspnoea in the symptomatic scale were worse in the SPVR group than in the LPVR group. In the multivariate analysis, fatigue was worse in the SPVR group than in the LPVR group. Conclusions: During BCG therapy, patients in the SPVR group had worse QOL, especially fatigue, than those in the LPVR group. Level of evidence: Not applicable for this multicentre audit.
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Affiliation(s)
| | - Yoichiro Kato
- Department of Urology, Iwate Medical University, Japan
| | | | - Seiko Kanzaki
- Division of Urology, Iwate Prefectural Chubu Hospital, Japan
| | - Akito Ito
- Division of Urology, Iwate Prefectural Ofunato Hospital, Japan
| | | | | | - Renpei Kato
- Department of Urology, Iwate Medical University, Japan
| | - Takashi Seo
- Division of Urology, Morioka JRC Hospital, Japan
| | - Yukihisa Owari
- Division of Urology, Iwate Prefectural Miyako Hospital, Japan
| | | | | | | | - Takashi Ujiie
- Division of Urology, Iwate Prefectural Ofunato Hospital, Japan
| | | | - Ryo Takata
- Department of Urology, Iwate Medical University, Japan
| | - Wataru Obara
- Department of Urology, Iwate Medical University, Japan
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7
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Increasing Age Predicts Increasing Residual Urine Volume. Female Pelvic Med Reconstr Surg 2020; 26:769-773. [PMID: 30865030 DOI: 10.1097/spv.0000000000000714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES To determine reference values for postvoid residual (PVR) volume for patients referred to a tertiary urogynecology center. METHODS After Institutional Review Board approval, we performed a retrospective chart review of all new patients presenting to our referral center. We assessed associations between PVR and patient demographics, pelvic floor symptoms, and physical examination by Wilcoxon rank sum or Kruskal-Wallis tests as appropriate. A multivariable logistic regression model was used to calculate odds ratios for patient characteristics associated with PVR in the top age range-specific decile. RESULTS Three hundred sixty-one patients were included in the analysis. The median PVR was 20 mL (interquartile range, 1st, 3rd quartiles, 10, 50). Older age was associated with higher PVR (P < 0.001). The median PVR in participants younger than 40 years was 10 mL, ages 40 to 49 years was 18 mL, 50 to 69 years was 20 mL, 70 to 79 years was 38 mL and in women older than 79 years was 50 mL. A multivariable analysis showed that prolapse stage (odds ratio [OR], 3.46 with prolapse stage 2-4 vs stage 0-1; P = 0.001), history of stroke (OR, 7.62; [95% CI 2.17-26.77, P = 0.002]), narcotic use (OR, 2.45; [95% CI 1.01-5.92; P = 0.047]), and urinary frequency (OR, 2.61; [95% CI, 1.14-5.98; P = 0.024]) were risk factors for increased PVR (as defined at >90%ile for age), independent of the age-related elevation. CONCLUSIONS The majority of patients presenting for urogynecologic evaluation had a low PVR with a median of 20 mL. Postvoid residual was higher for older age groups but nearly all volumes were less than 100 mL. The utility of a PVR measurement is highest for patients with pelvic organ prolapse, urinary frequency, narcotic use, or history of stroke.
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8
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Yono M, Ito K, Oyama M, Tanaka T, Irie S, Matsukawa Y, Sekido N, Yoshida M, van Till O, Yamaguchi O. Variability of post-void residual urine volume and bladder voiding efficiency in patients with underactive bladder. Low Urin Tract Symptoms 2020; 13:51-55. [PMID: 32525267 DOI: 10.1111/luts.12325] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/30/2020] [Accepted: 05/11/2020] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Post-void residual urine volume (PVR) and bladder voiding efficiency (BVE) are widely used as clinical parameters to evaluate patients with voiding dysfunction. The present study was conducted to assess the variability of PVR and BVE determinations in patients with underactive bladder (UAB). In addition, we focused on the bladder volume prior to voiding (BVvoid ) that may influence PVR and BVE, and investigated a correlation between PVR and BVvoid , and between BVE and BVvoid . METHODS Ten patients with a symptom complex of UAB, who had PVR of 50 mL or greater, were admitted to hospital during a 24-hour period for the measurement of voided volume (VV) and PVR. PVR was measured by transabdominal ultrasonography. BVE was expressed by a fraction (%) of bladder volume evacuated ([VV/BVvoid ] × 100). RESULTS Ten patients, five men (mean age of 65.0 years) and five women (mean age of 70.2 years), participated in this study. Regardless of gender, there was a large variation in repeated measurements of PVR in an individual patient. PVR increased with an increase in BVvoid , and there was a significant linear relationship between PVR and BVvoid . BVE was approximately constant after every voiding in each patient, and there was no significant linear relationship between BVE and BVvoid . CONCLUSIONS Measurement of PVR was unreliable because of wide variation in the same individual. The variation of BVE was much smaller than PVR. BVE would be a reliable parameter with good reproducibility for the assessment of emptying function.
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Affiliation(s)
- Makoto Yono
- Department of Clinical Pharmacology, Nishi-Kumamoto Hospital, SOUSEIKAI, Kumamoto, Japan.,Department of Urology, Nishi-Kumamoto Hospital, SOUSEIKAI, Kumamoto, Japan
| | - Kazuya Ito
- College of Healthcare Management, Miyama, Japan.,Clinical Epidemiology Research Center, SOUSEIKAI, Fukuoka, Japan
| | - Megumi Oyama
- Department of Clinical Pharmacology, Nishi-Kumamoto Hospital, SOUSEIKAI, Kumamoto, Japan
| | - Takanori Tanaka
- Department of Clinical Pharmacology, Nishi-Kumamoto Hospital, SOUSEIKAI, Kumamoto, Japan
| | - Shin Irie
- Department of Clinical Pharmacology, Nishi-Kumamoto Hospital, SOUSEIKAI, Kumamoto, Japan
| | - Yoshihisa Matsukawa
- Department of Urology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Noritoshi Sekido
- Department of Urology, Toho University Medical Center Ohashi Hospital, Tokyo, Japan
| | - Masaki Yoshida
- Department of Urology, National Center for Geriatrics and Gerontology, Obu, Japan
| | | | - Osamu Yamaguchi
- Department of Chemical Biology and Applied Chemistry, School of Engineering, Nihon University, Koriyama, Japan
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9
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Circadian Patterns in Postvoid Residual and Voided Percentage Among Older Women with Urinary Incontinence. J Clin Med 2020; 9:jcm9040922. [PMID: 32230885 PMCID: PMC7231299 DOI: 10.3390/jcm9040922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 03/24/2020] [Accepted: 03/25/2020] [Indexed: 11/17/2022] Open
Abstract
Background: Women with urinary incontinence incur an increased risk of elevated postvoid residual (PVR) volume and impaired voiding efficiency (i.e., voided percentage (Void%)), but the clinical significance of these parameters remains poorly described. Further characterization of PVR and voiding efficiency may thus be useful in refining the evaluation and management of urinary incontinence. This study aims to explore possible circadian variations in PVR and Void% in older women with stress (SUI), urge (UUI) and mixed urinary incontinence (MUI). Methods: A single center prospective study which enrolled a convenience sample of 90 older women who consulted a tertiary referral hospital for urinary incontinence. Participants underwent an extensive medical interview and were hospitalized to complete a 24-h frequency-volume chart (FVC) with PVR measurement after each void (FVCPVR). Results: FVCPVR analysis demonstrated no differences in mean PVR and Void% between patients with SUI, UUI and MUI. Likewise, no daytime or nighttime differences were observed in mean PVR or Void% within or between groups. Conclusions: No evidence of circadian variation in PVR or Void% was observed in older women with SUI, UUI or MUI.
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10
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Evaluation and current treatments for urinary incontinence. Nurse Pract 2019; 44:21-28. [PMID: 31045695 DOI: 10.1097/01.npr.0000558153.53725.02] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Although aging and urinary incontinence are often associated, urinary incontinence is not a normal part of aging. As the population ages, the challenge of urinary incontinence will place a greater demand on the healthcare system. NPs can effectively direct treatments to mitigate the symptoms of urinary incontinence, improving patient quality of life.
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11
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Przydacz M, Chlosta P, Corcos J. Recommendations for urological follow-up of patients with neurogenic bladder secondary to spinal cord injury. Int Urol Nephrol 2018; 50:1005-1016. [PMID: 29569211 DOI: 10.1007/s11255-018-1852-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 03/19/2018] [Indexed: 12/30/2022]
Abstract
PURPOSE To review currently available guidelines and recommendations regarding urological follow-up of patients after spinal cord injury (SCI) and present an evidence-based summary to support clinicians in their clinical practice. METHODS Maximum data were collected according to different methods, including searches with multiple and specific keywords, reference checks, gray literature searches (congress reports, working papers, statement documents), and browsing-related Web site access. Obtained data were analyzed with the modified version of the Oxford grading system for recommendations using levels of evidence (LE) and grades of recommendation (GR). RESULTS Different surveillance strategies exist, but there is no consensus among authors and organizations. As a result, practice patterns vary around the world. The present review indicates that proper urological follow-up of SCI patients should consist of medical history (LE 1-4, GR B-C), clinical examination (LE 4, GR C), renal laboratory tests (LE 1-3, GR B), imaging surveillance of the upper urinary tract (LE 1-3, GR A-B), urodynamic study (LE 2-4, GR B-C), and cystoscopy/cytology (LE 1-4, GR D). Clinicians agree that SCI patients should be followed up regularly with an individually tailored approach. A 1-year follow-up schedule seems reasonable in SCI patients without additional risk factors of renal deterioration (LE 3-4, GR C). In those who manifest risk factors, report changes in bladder behavior, or present with already developed complications of neurogenic bladder dysfunction, follow-up plans should be modified with more frequent checkups (LE 4, GR C). Urodynamic study should be repeated and considered as a routine monitoring strategy. CONCLUSION Individuals with neurogenic lower urinary tract dysfunction are at increased risk of multiple complications. Nevertheless, proper follow-up after SCI improves the prognosis for these patients and their quality of life.
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Affiliation(s)
- Mikolaj Przydacz
- Department of Urology, Jewish General Hospital, McGill University, Montreal, Canada
- Department of Urology, Jagiellonian University, Medical College, Kraków, Poland
| | - Piotr Chlosta
- Department of Urology, Jagiellonian University, Medical College, Kraków, Poland
| | - Jacques Corcos
- Department of Urology, Jewish General Hospital, McGill University, Montreal, Canada.
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12
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Kobayashi M, Tokura Y, Kambara T, Nukui A, Kamai T. Feeling of incomplete emptying with little post‐void residual in patients with lower urinary tract symptoms: Clinical implications and treatment outcomes. Low Urin Tract Symptoms 2018; 11:O59-O64. [DOI: 10.1111/luts.12217] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 01/11/2018] [Indexed: 01/05/2023]
Affiliation(s)
| | - Yuumi Tokura
- Department of UrologyDokkyo Medical University Tochigi Japan
| | | | - Akinori Nukui
- Department of UrologyNasu Red Cross Hospital Tochigi Japan
| | - Takao Kamai
- Department of UrologyDokkyo Medical University Tochigi Japan
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13
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Nambiar AK, Bosch R, Cruz F, Lemack GE, Thiruchelvam N, Tubaro A, Bedretdinova DA, Ambühl D, Farag F, Lombardo R, Schneider MP, Burkhard FC. EAU Guidelines on Assessment and Nonsurgical Management of Urinary Incontinence. Eur Urol 2018; 73:596-609. [PMID: 29398262 DOI: 10.1016/j.eururo.2017.12.031] [Citation(s) in RCA: 178] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 12/27/2017] [Indexed: 11/28/2022]
Abstract
CONTEXT The European Association of Urology guidelines on urinary incontinence (UI) have been updated in cyclical fashion with successive major chapters being revised each year. The sections on assessment, diagnosis, and nonsurgical treatment have been updated as of mid-2016. OBJECTIVE We present a condensed version of the full guideline on assessment and nonsurgical management of UI, with the aim of improving accessibility and increasing their dissemination. EVIDENCE ACQUISITION Our literature search was updated from the previous cut-off of July 2010 up to April 2016. Evidence synthesis was carried out by a pragmatic review of current systematic reviews and any newer subsequent high-quality studies, based on Population, Interevention, Comparator, and Outcome questions. Appraisal was conducted by an international panel of experts, working on a strictly nonprofit and voluntary basis, to develop concise evidence statements and action-based recommendations using modified Oxford and GRADE criteria. EVIDENCE SYNTHESIS The guidelines include algorithms that summarise the suggested pathway for standard, uncomplicated patients with UI and are more useable in daily practice. The full version of the guideline is available at http://uroweb.org/guideline/urinary-incontinence/. CONCLUSIONS These updated guidelines provide an evidence-based summary of the assessment and nonsurgical management of UI, together with a clear clinical algorithm and action-based recommendations. Although these guidelines are applicable to a standard patient, it must be remembered that therapy should always be tailored to individual patients' needs and circumstances. PATIENT SUMMARY Urinary incontinence is a very common condition which negatively impacts patient's quality of life. Several types of incontinence exist and since the treatments will vary, it is important that the diagnostic evaluation establishes which type is present. The diagnosis should also identify patients who need rapid referral to an appropriate specialist. These guidelines aim to provide sensible and practical evidence-based guidance on the clinical problem of urinary incontinence.
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Affiliation(s)
- Arjun K Nambiar
- Department of Urology, Freeman Hospital, Newcastle-upon-Tyne, UK.
| | - Ruud Bosch
- Department of Urology, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Francisco Cruz
- Department of Urology, Hospital São João/Faculty of Medicine of Porto, Porto, Portugal
| | - Gary E Lemack
- Department of Urology, University of Texas Southwestern Medical Centre, TX, USA
| | - Nikesh Thiruchelvam
- Urology Department, Addenbrooke's Hospital, Cambridge University Hospitals NHS Trust, Cambridge, UK
| | - Andrea Tubaro
- Department of Urology, La Sapienza University, Sant'Andrea Hospital, Rome, Italy
| | | | - David Ambühl
- Department of Urology, University Hospital Bern, Bern, Switzerland
| | - Fawzy Farag
- Department of Urology, Sohag University Hospital, Sohag, Egypt
| | - Riccardo Lombardo
- Department of Urology, La Sapienza University, Sant'Andrea Hospital, Rome, Italy
| | - Marc P Schneider
- Department of Urology, University Hospital Bern, Bern, Switzerland
| | - Fiona C Burkhard
- Department of Urology, University Hospital Bern, Bern, Switzerland
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14
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Decalf V, Huion A, Denys MA, Kumps C, Petrovic M, Everaert K. Circadian Variation in Post Void Residual in Nursing Home Residents With Moderate Impairment in Activities of Daily Living. J Am Med Dir Assoc 2017; 18:433-437. [DOI: 10.1016/j.jamda.2016.11.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 11/29/2016] [Accepted: 11/29/2016] [Indexed: 11/16/2022]
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15
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Corcos J, Przydacz M, Campeau L, Witten J, Hickling D, Honeine C, Radomski SB, Stothers L, Wagg A. CUA guideline on adult overactive bladder. Can Urol Assoc J 2017; 11:E142-E173. [PMID: 28503229 PMCID: PMC5426936 DOI: 10.5489/cuaj.4586] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Jacques Corcos
- Department of Urology, Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Mikolaj Przydacz
- Department of Urology, Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Lysanne Campeau
- Department of Urology, Jewish General Hospital, McGill University, Montreal, QC, Canada
| | | | - Duane Hickling
- Division of Urology, Department of Surgery, The Ottawa Hospital, Ottawa, ON, Canada
| | - Christiane Honeine
- Department of Urology, Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Sidney B. Radomski
- Division of Urology, Toronto Western Hospital, University of Toronto, University Health Network, Toronto, ON, Canada
| | - Lynn Stothers
- Department of Urological Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Adrian Wagg
- Department of Medicine, University of Alberta, Edmonton, AB, Canada
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Shimoni Z, Fruger E, Froom P. Measurement of post-void residual bladder volumes in hospitalized older adults. Am J Med 2015; 128:77-81. [PMID: 25193275 DOI: 10.1016/j.amjmed.2014.08.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2014] [Revised: 08/05/2014] [Accepted: 08/14/2014] [Indexed: 11/18/2022]
Abstract
BACKGROUND It is commonly recommended to catheterize or closely follow up patients with post-void residual volumes of 150 mL or more, but the frequency of such findings in geriatric hospitalized patients and the need for intervention are unclear. METHODS Post-void residual volumes were measured by ultrasound examination within 14 hours of admission in 464 patients aged 70 years or more who were hospitalized in a regional hospital general internal medicine department. Outcome variables included the need for an indwelling catheter and complications of urinary retention during the hospitalization. RESULTS Post-void residual volumes of ≥150 mL were common (23.9%; 111/464) and had the following distribution: 150 to 299 mL, 13.1% (61/464); 300 to 499 mL, 6.4% (30/464); and 500 mL or more, 6% (28/464). The rate of indwelling catheters was 3.2% (15/464). Results of post-void residual volumes did not predict the need for indwelling catheters in those without other criteria, although those with indications for indwelling catheters had a significantly higher frequency of post-void residual volumes ≥500 mL (P < .001) compared with those without such indications. CONCLUSIONS We conclude that urinary retention in hospitalized geriatric patients is common, but measurements of post-void residual volumes did not have definite clinical utility. However, the study had limited power to determine the benefits or potential harms of urinary catheterization for elevated post-void residual volumes.
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Affiliation(s)
- Zvi Shimoni
- Internal Medicine B, Laniado Hospital, Netanya, Israel; Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel
| | - Ela Fruger
- Internal Medicine B, Laniado Hospital, Netanya, Israel; Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel
| | - Paul Froom
- School of Public Health, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
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Drake MJ, Williams J, Bijos DA. Voiding dysfunction due to detrusor underactivity: an overview. Nat Rev Urol 2014; 11:454-64. [PMID: 25002201 DOI: 10.1038/nrurol.2014.156] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Detrusor underactivity (DUA) is defined as a voiding contraction of reduced strength and/or duration, which prolongs urination and/or prevents complete emptying of the bladder within a 'normal' period of time. This issue is associated with voiding and postmicturition urinary symptoms, and can predispose to urinary infections and acute urinary retention. The aetiology of DUA is influenced by multiple factors, including ageing, bladder outlet obstruction, neurological disease, and autonomic denervation. The true prevalence of this condition remains unknown, as most data come from referral populations. Urodynamic testing is used to diagnose the condition, either by assessing the relationship between bladder pressures and urinary flow, or by interrupting voiding to measure detrusor pressure change under isovolumetric conditions. Current treatments for DUA have poor efficacy and tolerability, and often fail to improve quality of life; muscarinic receptor agonists, in particular, have limited efficacy and frequent adverse effects. Bladder emptying might be achieved through Valsalva straining, and intermittent or indwelling catheterization, although sacral nerve stimulation can reduce dependency on catheterization. Novel stem-cell-based therapies have been attempted; however, new drugs that increase contractility are currently largely conceptual, and the complex pathophysiology of DUA, difficulty achieving organ specificity of treatment, the limited availability of animal models, and the subjective nature of current outcome measures must be addressed to facilitate the development of such agents.
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Affiliation(s)
- Marcus J Drake
- Urology Department, University of Bristol and Bristol Urological Institute, Southmead Hospital, Bristol, Avon BS10 5NB, UK
| | - Jonathan Williams
- Urology Department, University of Bristol and Bristol Urological Institute, Southmead Hospital, Bristol, Avon BS10 5NB, UK
| | - Dominika A Bijos
- Urology Department, University of Bristol and Bristol Urological Institute, Southmead Hospital, Bristol, Avon BS10 5NB, UK
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Musegante AFA, Almeida PNS, Monteiro RTM, Barroso Jr U. Urinary Symptoms and Urodynamics Findings in Patients with Friedreich's Ataxia. Int Braz J Urol 2013; 39:867-74. [DOI: 10.1590/s1677-5538.ibju.2013.06.14] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2012] [Accepted: 07/24/2013] [Indexed: 11/22/2022] Open
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Lack of preoperative predictors of the immediate return of postoperative bladder emptying after uterosacral ligament suspension. South Med J 2013; 106:267-9. [PMID: 23558415 DOI: 10.1097/smj.0b013e31828d970c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES To determine whether preoperative postvoid residual volume (PVR), pelvic organ prolapse quantification (POPQ) stage, patient characteristics, or concurrent operations are predictors of immediate postoperative bladder emptying after uterosacral ligament suspension (USLS). METHODS A review of patients undergoing USLS in 2008 and 2009 was performed. The factors analyzed included patient age, body mass index, parity, preoperative PVR, POPQ stage, concurrent anterior repair, posterior repair, hysterectomy and/or sling procedures, and postoperative voiding trial status. RESULTS During the study interval, 151 patients underwent USLS with various combinations of concurrent procedures. The mean preoperative PVR was 90 mL. Seventy-five patients (50%) passed the postoperative voiding trial on postoperative day 1. Patients who passed the postoperative voiding trial and those who failed had similar average preoperative PVR (P = 0.94), similar age (P = 0.14), body mass index (P = 0.45), parity (P = 0.82), and preoperative POPQ stage (P = 0.80). There was no difference (P ≥ 0.14) among concurrent surgical procedures in the proportion of patients who passed the postoperative voiding trial based on univariate analyses. CONCLUSIONS In our cohort of patients, preoperative PVR, POPQ stage, and other patient characteristics were not predictors of immediate postoperative bladder emptying after USLS. Postoperative voiding function is one of the most unpredictable aspects of pelvic reconstructive surgery.
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Amend B, Kruck S, Bedke J, Ritter R, Arenas da Silva L, Chapple C, Stenzl A, Sievert KD. [Urinary incontinence in the elderly: what can and should be done?]. Urologe A 2013; 52:805-12. [PMID: 23404380 DOI: 10.1007/s00120-012-3061-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The demographic development of society shows a clear increase in the elderly population in the coming decades, which will result in an increasing prevalence of urinary incontinence. Diagnosis and treatment of many patients is not carried out for a myriad of reasons and thus incontinence care is often inadequate. A detailed medical history is the basis of identification of the problem and underpins the effective diagnostic and therapeutic management of the problem. In this context, the algorithms based on the national and international guidelines and age-specific characteristics should be considered. The initial focus should be on conservative management. In a few cases of elderly patients, invasive diagnostics using urodynamics or cystoscopy might be indicated. The increased use of medication in the elderly both from an etiological and therapeutic point of view, especially in terms of drug/drug interactions requires special consideration. In particular cognitive impairment using pharmacological approaches should be avoided. Although incontinence surgery of the patient applies less often with increasing age it still plays a role in the appropriate selection of treatment.
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Affiliation(s)
- B Amend
- Klinik für Urologie, Universitätsklinikum Tübingen, Hoppe-Seyler-Straße 3, 72072 Tübingen, Deutschland
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Abstract
OBJECTIVES We assessed the relationship between symptoms of voiding dysfunction and elevated postvoid urinary residual (PVR). METHODS Cross-sectional study of women presenting for initial evaluation from February through July 2011. Charts were reviewed for demographics, voiding dysfunction symptoms, and examination findings. Urinary retention was defined as PVR of 100 ml or more. Data are presented as median (interquartile range) or proportion; test characteristics are reported with 95% confidence intervals. RESULTS Of 641 eligible women, 57 women (8.9%) had urinary retention. Of these, 32 women (56.1%) had at least one symptom of voiding dysfunction, most commonly, sensation of incomplete emptying (30.1%). Sensitivity and positive predictive values of voiding dysfunction symptoms were low. Of 254 women reporting voiding symptoms, most (87.5%) had PVR of less than 100 ml and were significantly more likely to have other pelvic floor symptoms and findings. CONCLUSIONS Patients' symptoms do not predict urinary retention. Postvoid urinary residual should be measured, and other causes of voiding dysfunction symptoms should be considered.
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Kim BR, Lim JH, Lee SA, Kim JH, Koh SE, Lee IS, Jung H, Lee J. The Relation between Postvoid Residual and Occurrence of Urinary Tract Infection after Stroke in Rehabilitation Unit. Ann Rehabil Med 2012; 36:248-53. [PMID: 22639750 PMCID: PMC3358682 DOI: 10.5535/arm.2012.36.2.248] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2011] [Accepted: 03/27/2012] [Indexed: 11/17/2022] Open
Abstract
Objective To determine the relation between postvoid residual (PVR) and the occurrence of urinary tract infection (UTI) in stroke patients. Method One hundred and eighty-eight stroke patients who were admitted to an inpatient rehabilitation unit and who did not have UTI on admission (105 males, 83 females, mean age 67.1 years) were included in this study. The PVR was measured 3 times within 72 hours after admission. Mean PVR, demographic variables, K-MMSE (Korean Mini-Mental State Examination), initial K-MBI (Korean Modified Barthel Index), Foley catheter indwelling time and stroke type were defined and the relation to the occurrence of UTI was analyzed. Results UTI occurred in 74 patients (39.4%) during admission to the rehabilitation unit. There were significant differences between the UTI and non-UTI groups in K-MMSE, K-MBI, Foley catheter indwelling time (p<0.01). However, age, gender, stroke location and type were not associated. The occurrence of UTI was 4.87 times higher in the patients with a mean PVR over 100 ml than in those with a mean PVR <100 ml. The mean PVR was 106.5 ml in the UTI group, while it was 62.7 ml in the non-UTI group (p<0.01). PVR was not associated with age. Conclusion The UTI rate is higher when the mean PVR is over 100 ml irrespective of gender and age. Close monitoring of PVR and appropriate intervention is needed to reduce the occurrence of UTI in stroke patients.
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Affiliation(s)
- Bo-Ram Kim
- Department of Rehabilitation Medicine, Konkuk University Medical Center and School of Medicine, Seoul 143-729, Korea
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Oelke M, Kirschner-Hermanns R, Thiruchelvam N, Heesakkers J. Can we identify men who will have complications from benign prostatic obstruction (BPO)?: ICI-RS 2011. Neurourol Urodyn 2012; 31:322-6. [DOI: 10.1002/nau.22222] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2012] [Accepted: 01/12/2012] [Indexed: 11/07/2022]
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Abdul-Rahman A, Al-Hayek S, Belal M. Urodynamic studies in the evaluation of the older man with lower urinary tract symptoms: when, which ones, and what to do with the results. Ther Adv Urol 2011; 2:187-94. [PMID: 21789074 DOI: 10.1177/1756287210385924] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Lower urinary tract dysfunction is a major cause of morbidity and decreased quality of life in older men. Most urinary dysfunctions in the elderly are multifactorial in origin and associated with a broad spectrum of mental and physical conditions. In this population, it is essential to have a comprehensive assessment of the lower urinary tract, functional impairments and concurrent medical diseases. A holistic and individualized approach to management is important. Urodynamic studies (UDS) are objective tests which provide a major contribution to our understanding of the pathophysiology of lower urinary tract symptoms (LUTS). Urodynamic findings in older men may include common diagnoses such as bladder outlet obstruction and urinary incontinence. However, coexisting conditions such as detrusor overactivity and impaired detrusor contractility are common in older men. The identification of these conditions is necessary to appropriately counsel patients regarding treatment options. Simple urodynamic tests should be used whenever possible such as uroflowmetry and residual volume estimation. However, in complicated cases more invasive tests such as pressure flow studies are important to help choose the best treatment.
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Affiliation(s)
- Ahmad Abdul-Rahman
- Clinical Research Fellow, Registrar in Neuro-Urology, Spinal Injuries Centre, Royal National Orthopaedic Hospital, Stanmore, Middlesex HA7 4LP, UK
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Huang AJ, Brown JS, Boyko EJ, Moore EE, Scholes D, Walter LC, Lin F, Vittinghoff E, Fihn SD. Clinical significance of postvoid residual volume in older ambulatory women. J Am Geriatr Soc 2011; 59:1452-8. [PMID: 21806559 DOI: 10.1111/j.1532-5415.2011.03511.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To examine the prevalence, natural history, and clinical significance of high postvoid residual (PVR) volume in ambulatory older women. DESIGN Prospective cohort study. SETTING Group health plan in Washington state. PARTICIPANTS Nine hundred eighty-seven ambulatory women aged 55 to 75. MEASUREMENTS PVR was measured using bladder ultrasonography at baseline, 1 year, and 2 years. Participants completed questionnaires about urinary symptoms and provided urine samples for microbiological evaluation. RESULTS Of the 987 participants, 79% had a PVR less than 50 mL, 10% of 50 to 99 mL, 6% of 100 to 199 mL, and 5% of 200 mL or greater at baseline. Of women with a PVR less than 50 mL, 66% reported at least one urinary symptom at baseline. Of women with a PVR of 200 mL or greater, 27% reported no significant symptoms at baseline. In adjusted analyses using data from all study visits, women with a PVR of 100 mL or greater were more likely to report urinating more than eight times during the day (odds ratio (OR)=1.42, 95% confidence interval (CI)=1.07-1.87), and women with a PVR of 200 mL or greater were more likely to report weekly urgency incontinence (OR=1.50, 95% CI=1.03-2.18) than those with a PVR less than 50 mL. High PVR was not associated with greater risk of stress incontinence, nocturnal frequency, or urinary tract infection in adjusted analyses. Forty-six percent of those with a PVR of 200 mL or greater and 63% of those with a PVR of 100 to 199 mL at baseline had a PVR less than 50 mL at 2 years. CONCLUSION More than 10% of ambulatory older women may have a PVR of 100 mL or greater, which is associated with greater risk of some urinary symptoms, but many with high PVR are asymptomatic, and high PVR frequently resolves within 2 years. Symptom-guided management of urinary symptoms may be more appropriate than PVR-guided management in this population.
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Affiliation(s)
- Alison J Huang
- Department of Medicine, University of California at San Francisco, San Francisco, California, USA.
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Truzzi JCI, Almeida FMR, Nunes EC, Sadi MV. Residual urinary volume and urinary tract infection--when are they linked? J Urol 2008; 180:182-5. [PMID: 18499191 DOI: 10.1016/j.juro.2008.03.044] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2007] [Indexed: 10/22/2022]
Abstract
PURPOSE Large post-void residual urinary volume may be related to the development of urinary tract infection. However, the maximum post-void residual volume that predisposes patients to a higher risk of urinary tract infection is not known. In this prospective study we determined the cutoff value for post-void residual volume that places adult men at risk for bacteriuria. MATERIALS AND METHODS Data were obtained from 196 consecutive healthy adult men (median age 62 years) who came for prostate evaluation without symptoms of acute urinary tract infection. Right after spontaneous voiding, bladder catheterization was performed under normal aseptic conditions, and the post-void residual volume measured. Urine samples were collected for culture from each patient and the results were compared to the various post-void residual volume. RESULTS Overall 27% of the patients presented with a positive urine culture. The mean post-void residual volume in this group was 257 ml (range 150 to 560) compared to 133 ml (range 10 to 340) for the group with negative culture (p <0.001). The post-void residual volume value of 180 ml was determined to have the best specificity and sensitivity. The positive predictive value for bacterial growth at a post-void residual volume of 180 ml or greater was 87.0% and the negative predictive value was 94.7%. CONCLUSIONS Clinically asymptomatic adult men with a post-void residual volume of 180 ml are at a high risk for bacteriuria. Such cases require close medical attention since it may be necessary to introduce early drug therapy or surgical intervention to improve the bladder emptying.
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Affiliation(s)
- José Carlos I Truzzi
- Division of Urology, UNISA Medical School, University of Santo Amaro, São Paulo, Brazil.
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Omli R, Skotnes LH, Mykletun A, Bakke AM, Kuhry E. Residual Urine as a Risk Factor for Lower Urinary Tract Infection: A 1-Year Follow-Up Study in Nursing Homes. J Am Geriatr Soc 2008; 56:871-4. [DOI: 10.1111/j.1532-5415.2008.01646.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Ho CH, Linsenmeyer TA, Millis SR. The reproducibility of urodynamic studies of neurogenic bladders in spinal cord injury. J Spinal Cord Med 2007; 23:276-83. [PMID: 17536298 DOI: 10.1080/10790268.2000.11753537] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
OBJECTIVE To evaluate the reproducibility (test-retest reliability) of urodynamic studies in neurogenic bladders of subjects with spinal cord injuries (SCI). DESIGN Retrospective case series. SETTING Urology department of a major rehabilitation center. SUBJECTS Fifty individuals with SCI who had urodynamic studies performed from February 2000 to April 2000. MAIN OUTCOME MEASURES Two trials (Time 1 and Time 2) of urodynamic studies done 5 minutes apart, with the following collected: bladder volume at first sensation, maximum cystometric capacity, presence of uninhibited contractions, opening pressure, maximum detrusor pressure, duration of bladder contraction, volume voided, and post-void residual (PVR) volume. The corresponding data were then compared. Statistical analysis was performed using the Lin's concordance correlation coefficient and kappa. RESULTS Analysis of the data showed statistically significant levels of agreement between Time 1 and Time 2 with regard to the various corresponding parameters for both the filling and voiding phases. For 3 of the most important parameters-the opening pressure, maximum detrusor pressure, and duration of contraction-the Lin's concordance correlation coefficient (r(c)) was .86 (95% CI, .78-.95; p < .0005), .91 (95% CI, .86-.96; p < .0005), and .97 (95% CI, .95-.99, p < .0005), respectively. CONCLUSION The study demonstrates good short-term intrasubject reproducibility of urodynamic studies in individuals with SCI.
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Affiliation(s)
- C H Ho
- Kessler Institute for Rehabilitation, 1199 Pleasant Valley Way, West Orange, NJ 07052, USA
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Ostaszkiewicz J. Incomplete bladder emptying in frail older adults: a clinical conundrum. INTERNATIONAL JOURNAL OF UROLOGICAL NURSING 2007. [DOI: 10.1111/j.1749-771x.2007.00019.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Taylor JA, Kuchel GA. Detrusor Underactivity: Clinical Features and Pathogenesis of an Underdiagnosed Geriatric Condition. J Am Geriatr Soc 2006; 54:1920-32. [PMID: 17198500 DOI: 10.1111/j.1532-5415.2006.00917.x] [Citation(s) in RCA: 139] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Urinary incontinence and other lower urinary tract symptoms exert a major influence on the health and independence of frail older people. Detrusor underactivity (DU) is defined as a contraction of reduced strength and/or duration, resulting in prolonged bladder emptying and/or a failure to achieve complete bladder emptying within a normal time span. DU may influence the clinical presentation and impede the therapy of disorders as common and as disparate as detrusor overactivity, urinary retention, and benign prostatic hyperplasia. Urodynamically, nearly two-thirds of incontinent nursing home residents exhibit DU. The clinical diagnosis of DU when present alone or in association with other bladder conditions such as detrusor overactivity (detrusor hyperactivity with impaired contractility (DHIC)) is challenging, because symptoms lack adequate precision. A catheterized and increasingly noninvasive ultrasound-based postvoid residual assessment allows a bedside diagnosis of retention and may suggest the presence of DU in individuals (mostly women) with a low likelihood of bladder outlet obstruction (BOO). Nevertheless, it cannot differentiate primary DU from retention secondary to BOO. The management of individuals with DHIC remains unsatisfactory, because antispasmodic anticholinergic medications may worsen retention, whereas bethanechol does not improve bladder emptying. Human detrusor biopsies reveal axonal degeneration, muscle loss, and fibrosis in DU. Animal studies suggest that multiple risk factors, including retention itself, lack of estrogen, infection, inflammation, and aging, may contribute to DU. Priority areas for future research include efforts to facilitate clinical nonurodynamic diagnosis of probable DU plus translational research designed to address the pathogenesis of this complex multifactorial geriatric syndrome.
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Affiliation(s)
- John A Taylor
- Division of Urology, University of Connecticut Health Center, Farmington, Connecticut 06030, USA
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Mochtar CA, Kiemeney LALM, van Riemsdijk MM, Laguna MP, Debruyne FMJ, de la Rosette JJMCH. Post-Void Residual Urine Volume is Not a Good Predictor of the Need for Invasive Therapy Among Patients With Benign Prostatic Hyperplasia. J Urol 2006; 175:213-6. [PMID: 16406914 DOI: 10.1016/s0022-5347(05)00038-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2004] [Revised: 04/08/2005] [Indexed: 11/29/2022]
Abstract
PURPOSE We assessed the value of baseline PVR as predictor of the need for invasive therapy during long-term followup of patients with clinical BPH treated initially with alpha1-blockers or WW. MATERIALS AND METHODS The records of a cohort of 942 patients with BPH treated with alpha(1)-blockers or WW were reviewed. Baseline I-PSS scores, PSA, prostate volume, uroflowmetry, pressure flow parameters and followup data were collected prospectively. Correlations between PVR and other baseline parameters were calculated. The 5-year cumulative risks of invasive therapy were calculated with the Kaplan-Meier method. After stratification of PVR by various cutoff levels (50, 100 and 300 ml), rate ratios between large and small PVRs were calculated using proportional hazards analyses. RESULTS PVR has weak (-0.2<R <0.2) correlations with other baseline parameters. With increasing PVR cutoff levels, the 5-year cumulative risk of invasive therapy for the large PVR subgroup, increases from 45% to 64% and from 15% to 21% in the alpha1-blockers and WW group, respectively. Large PVR yields a significant 2-fold up to a 4-fold increased risk of invasive therapy compared to small PVR in both treatment groups. In multivariate models these significant risk differences largely disappear, although a statistically not significant higher risk remains for the large PVR (greater than 300 ml) patients. CONCLUSIONS In general, baseline PVR has little prognostic value for the risk of BPH related invasive therapy in patients on alpha1-blocker and WW. Only patients with large PVR have a 2-fold increased risk of invasive therapy compared to patients with smaller PVR.
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Affiliation(s)
- C A Mochtar
- Department of Urology, Academic Medical Centre, Amsterdam, The Netherlands.
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Post-Void Residual Urine Volume is Not a Good Predictor of the Need for Invasive Therapy Among Patients With Benign Prostatic Hyperplasia. J Urol 2006. [DOI: 10.1097/00005392-200601000-00057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Correct answers to multiple choice questions appearing in the European Urology Update Series 2005. BJU Int 2005. [DOI: 10.1111/j.1464-410x.2005.05978.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Milleman M, Langenstroer P, Guralnick ML. POST-VOID RESIDUAL URINE VOLUME IN WOMEN WITH OVERACTIVE BLADDER SYMPTOMS. J Urol 2004; 172:1911-4. [PMID: 15540753 DOI: 10.1097/01.ju.0000140502.34334.75] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE Most patients with overactive bladder symptoms initially present to their primary care provider for treatment. It is currently recommended that post-void residual urine (PVR) should be measured during the assessment of women complaining of overactive bladder symptoms and anticholinergic medication should be used if PVR is low. However, many primary care providers are reluctant to measure PVR and, therefore, they may delay treatment or even inappropriately treat patients who have a high PVR. We identified clinical factors that are associated with increased PVR that could be used to select which patients are at risk for this. MATERIALS AND METHODS The charts of women presenting to our clinic with complaints of urinary frequency, urgency and/or urge incontinence were retrospectively reviewed. Patient demographics, physical examination and PVR were analyzed to determine if any factor was associated with increased PVR (100 ml or greater). RESULTS The charts of 201 patients with complete data were reviewed. Patient age was 20 to 90 years (mean 55). Overall 19% of patients were found to have elevated PVR. Univariate analysis identified that older age, prior incontinence surgery, history of multiple sclerosis, greater American Urological Association Symptom Score, vaginal parity greater than 2, greater pad use and stage 2 or greater vaginal prolapse were associated with elevated PVR. Multivariate analysis identified age older than 55 years, prior incontinence surgery, a history of multiple sclerosis and vaginal prolapse stage 2 or greater as independent predictors of elevated PVR. CONCLUSIONS It is possible to identify patients with overactive bladder symptoms who are at risk for elevated PVR based on history and physical examination. This could result in fewer patients needing PVR measurement prior to initiating treatment.
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Affiliation(s)
- Mark Milleman
- Department of Urology, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
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Abstract
Lower urinary tract symptoms increase with age in both sexes and are a major problem in the elderly due to the medical and bio-psycho-social consequences involved. Lower urinary tract dysfunctions in the elderly are generally multifactorial in origin and are classifiable to a large extent by age and pathology related changes. Urodynamic findings should never be interpreted without considering the medical history, bladder diary, clinical examination and other findings. Age related changes involve a decrease of voided volume and urinary flow and an increase in overactive bladder symptoms and post void residuals. Consequently, decreased maximum bladder capacity, terminal detrusor overactivity and detrusor overactivity with impaired contractile function are typically found in the elderly. Patients with terminal detrusor overactivity are well treated by bladder training and timed voiding, sometimes combined with anticholinergic drugs, whereas patients with phasic detrusor overactivity are often good candidates for non-invasive electrical neuromodulation.
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Affiliation(s)
- T M Kessler
- Neuro-Urologische Ambulanz der Universitätsklinik Innsbruck, Innsbruck, Austria
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Gomes CM, Arap S, Trigo-Rocha FE. Voiding dysfunction and urodynamic abnormalities in elderly patients. ACTA ACUST UNITED AC 2004; 59:206-15. [PMID: 15361987 DOI: 10.1590/s0041-87812004000400010] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Lower urinary tract dysfunction is a major cause of morbidity and decreased quality of life in elderly men and women. With the progressive aging of the population, it is important to understand common micturitional disorders that may occur in this population. Most urinary problems in the elderly are multifactorial in origin, demanding a comprehensive assessment of the lower urinary tract organs, functional impairments, and concurrent medical diseases. Urodynamics is a highly valuable tool in the investigation of elderly patients with lower urinary tract symptoms. Urodynamic tests are not always necessary, being indicated after excluding potentially reversible conditions outside the urinary tract that may be causing or contributing to the symptoms. Although urodynamic tests may reveal common diagnoses such as bladder outlet obstruction and stress urinary incontinence in the elderly population, findings such as detrusor overactivity and impaired detrusor contractility are common and have important prognostic and therapeutic implications. The purpose of this article is to describe common urologic problems in the elderly and review the indications for and clinical aspects of urodynamic studies in these conditions.
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Affiliation(s)
- Cristiano M Gomes
- Division of Urology, Department of Surgery, Hospital das Clínicas, Faculty of Medicine, University of São Paulo, São Paulo, SP, Brazil.
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Bates TS, Sugiono M, James ED, Stott MA, Pocock RD. Is the conservative management of chronic retention in men ever justified? BJU Int 2003; 92:581-3. [PMID: 14511038 DOI: 10.1046/j.1464-410x.2003.04444.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To assess the outcome of men presenting with lower urinary tract symptoms (LUTS) associated with large postvoid residual urine volumes (PVR). PATIENTS AND METHODS The study included men presenting with LUTS and a PVR of > 250 mL who, because of significant comorbidity, a low symptom score or patient request, were managed conservatively and prospectively, and were followed with symptom assessment, serum creatinine levels, flow rates and renal ultrasonography. Patients were actively managed if there was a history of previous outflow tract surgery, prostate cancer, urethral strictures, neuropathy, elevated creatinine or hydronephrosis. In all, 93 men (mean age 70 years, range 40-84) with a median (range) PVR of 363 mL (250-700) were included in the study and followed for 5 (3-10) years. At presentation, the median maximum flow rate was 10.2 (3-30) mL/s and the voided volume 316 (89-714) mL. RESULTS The measured PVR remained stable in 47 (51%), reduced in 27 (29%) and increased in 19 (20%) patients; 31 patients (33%) went on to transurethral resection of the prostate after a median of 30 (10-120) months, because of serum creatinine elevation (two), acute retention (seven), increasing PVR (eight) and worsening symptoms (14). Of 31 patients 25 were available for evaluation after surgery; their median PVR was 159 (0-1000) mL, flow rate 18.4 (4-37) mL/s and voided volume 321 (90-653) mL. Symptoms were improved in all but five men. There was no difference in initial flow rate, voided volume or PVR between those who developed complications or went on to surgery and those who did not. Urinary tract infections (UTIs) occurred in five patients and two developed bladder stones. CONCLUSIONS Complications such as renal failure, acute retention and UTIs are uncommon in men with large, chronic PVRs. Conservative management for this group of patients is reasonable but outpatient review is prudent. There were no factors that could be used to predict those patients who eventually required surgery.
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Affiliation(s)
- T S Bates
- Bath Royal United Hospital, Bristol, UK.
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Hershkovitz A, Manevitz D, Beloosesky Y, Gillon G, Brill S. Medical treatment for urinary retention in rehabilitating elderly women: is it necessary? Aging Clin Exp Res 2003; 15:19-24. [PMID: 12841414 DOI: 10.1007/bf03324475] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
BACKGROUND AND AIMS It is unclear whether medical treatment of elderly women with acute urinary retention in geriatric rehabilitation centers affects the recovery rate. The aims of the present study were to assess the rate of spontaneous recovery from urinary retention in elderly women in rehabilitation centers and to determine whether medical treatment with a adrenergic receptor blockers (a blockers) is effective in resumption of urination in this population. METHODS We surveyed 84 elderly women with urinary retention, admitted to a geriatric rehabilitation center between September 1998 and March 2000. Most had undergone orthopedic surgeries. Post-voiding urine residual (PVR) was measured 3 days after an acute episode of urinary retention. PVR of 250 mL and below was the desirable outcome. Patients with PVR over 250 mL were randomly assigned to two groups, placebo vs Doxazosin. Medication doses in both groups were increased every 3 days and catheterization was used until a desirable outcome was achieved. RESULTS Seventy-eight out of the 84 patients entered the study, of whom 48 (62%) recovered spontaneously prior to initiation of medical treatment. Of the remaining 30, 7 patients dropped out and 23 began medical treatment. Twelve women recovered (a similar rate occurred in the placebo and Doxazosin groups), and 11 did not. The study was terminated due to the high rate of spontaneous recovery and because it became clear from the initial results that Doxazosin had no beneficial effect over placebo in the treatment of urinary retention. Diabetes and poor functional status were found to be prognostic factors for recovery failure. CONCLUSIONS Most elderly women with urinary retention in geriatric rehabilitation centers will probably recover spontaneously. Alpha blockers appear to have no beneficial effect in this population.
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Affiliation(s)
- Avital Hershkovitz
- Beit Rivka' Geriatric Rehabilitation Center Day Hospital, Petach Tikva, Israel.
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Griffiths DJ, McCracken PN, Harrison GM, Gormley EA, Moore KN. Urge incontinence and impaired detrusor contractility in the elderly. Neurourol Urodyn 2002; 21:126-31. [PMID: 11857665 DOI: 10.1002/nau.10042] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Among the elderly, both urge incontinence and elevated residual urine are common. When they occur together, they present a challenging clinical problem, called detrusor hyperactivity with impaired contractile function (DHIC). Impaired detrusor contractility has two aspects: elevated post-void residual urine volume and reduced detrusor contraction strength. Geriatric urge incontinence, especially in combination with reduced bladder sensation, is associated with specific cortical abnormalities: frontal and global cortical underperfusion and cognitive impairment. We have investigated, in 73 elderly incontinent patients, whether either aspect of impaired contractility is associated with urge incontinence, reduced sensation or these cortical abnormalities. For post-void residual urine, there are no significant associations. Detrusor contraction strength, however, is significantly increased (not impaired) if there is urge incontinence, reduced bladder sensation, or cortical underperfusion. Thus, DHIC appears to be a coincidental occurrence of two common conditions with different etiological factors.
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Affiliation(s)
- Derek J Griffiths
- Urodynamics Unit, Edmonton General Hospital, Edmonton, Alberta, Canada.
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Hershkovitz A, Beloosesky Y, Pomp N, Brill S. Is routine screening for urinary tract infection in rehabilitation day-hospital elderly patients necessary? Arch Gerontol Geriatr 2002; 34:29-36. [PMID: 14764308 DOI: 10.1016/s0167-4943(01)00193-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2001] [Revised: 07/02/2001] [Accepted: 07/11/2001] [Indexed: 11/19/2022]
Abstract
It is not known whether all rehabilitation day-hospital patients need to be assessed for urinary tract infection (UTI). The aims of this study were to identify patients at high risk to develop UTI and to determine whether there was an association between the amount of post-void residual urine (PVR) and UTI. We surveyed 211 consecutive patients admitted to the day-hospital unit of a geriatric rehabilitation center between June 1998 and February 1999. The main diagnoses were stroke, orthopedic surgeries and deconditioning. Urine samples for general analysis and bacteriology were collected from each patient upon admission. PVR was measured using portable ultrasound. Telephone interviews were conducted with 141 patients, 3-11 months after the initial screening. The prevalence of UTI at admission was higher in women (P=0.007), and patients with decreased functional level (P=0.001). The incidence rate correlated with the functional level but not with gender or main diagnosis. The relative risk of dependent patients to develop UTI was 7.5 times higher than in independent patients. Significant amounts of PVR were equal in males and females. The relative risk of individuals with significant amounts of PVR to develop UTI was 1.63 times greater then those with negligible and moderate amounts of PVR. Gender, degree of functional level and main diagnosis had no effect on the relationship between PVR and UTI. We conclude that low functional level and significant amounts of PVR are risk factors for prevalence and incidence of UTI in elderly patients in a rehabilitation day-hospital. There is no need for routine urine analysis in every elderly patient admitted to rehabilitation day-hospitals, however, PVR measurements by portable ultrasound are valuable.
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Affiliation(s)
- Avital Hershkovitz
- Day-Hospital, Beth Rivka Geriatric Rehabilitation, Petach Tikva, Israel.
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McNeill SA, Hargreave TB, Geffriaud-Ricouard C, Santoni J, Roehrborn CG. Postvoid residual urine in patients with lower urinary tract symptoms suggestive of benign prostatic hyperplasia: pooled analysis of eleven controlled studies with alfuzosin. Urology 2001; 57:459-65. [PMID: 11248620 DOI: 10.1016/s0090-4295(00)01021-9] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVES A pooled analysis was conducted in patients with lower urinary tract symptoms suggestive of benign prostatic hyperplasia to examine the relationship between the postvoid residual urine (PVR) volume and various clinical characteristics and to assess the effect of alfuzosin, a clinically uroselective alpha(1)-blocker, on PVR volume and any other associated outcome. METHODS Nine hundred fifty-three patients, 42 to 89 years old, with a baseline PVR volume between 50 and 350 mL (mean 106 mL) were enrolled in 11 double-blind controlled studies and received either alfuzosin (n = 607) or placebo (n = 346) for 1 to 6 months. The relationships between the baseline PVR volume measured by transabdominal ultrasound and age, symptoms, maximum flow rate (Qmax), estimated bladder capacity, and prostate-specific antigen level were assessed. The changes in the PVR volume with treatment were evaluated in all available patients at three endpoints (1, 3, and 6 months). RESULTS At baseline, a PVR volume of 100 mL or greater was observed in 60%, 47%, and 39% of patients with a Qmax less than 8, 8 to 11, and greater than 11 mL/s, respectively (P = 0.001). The bladder capacity was also significantly related to the Qmax (P = 0.0001). No relationship was found between PVR volume and age, symptoms, or prostate-specific antigen level. The changes in the PVR volume with treatment were related to the baseline PVR volume. However, at all endpoints and whatever the baseline PVR volume, the decreases in the PVR volume were significantly (P <0.01) greater with alfuzosin than with placebo. Acute urinary retention occurred in 7 patients (2 [0.3%] of 607 patients taking alfuzosin and 5 [1.4%] of 346 patients taking placebo); 6 of these 7 patients had a baseline PVR volume greater than 100 mL. CONCLUSIONS In this population of men with lower urinary tract symptoms suggestive of benign prostatic hyperplasia, the PVR olume and bladder capacity were related to the baseline Qmax. Alfuzosin significantly reduced the PVR volume compared with placebo, and this effect was more marked in patients with a high PVR volume at baseline. Acute urinary retention occurred mainly in patients with a PVR volume greater than 100 mL and was less frequent in patients taking alfuzosin than in those taking placebo.
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Affiliation(s)
- S A McNeill
- Western General Hospital, Edinburgh, Scotland, United Kingdom
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DuBeau CE, Yalla SV, Resnick NM. Improving the utility of urine flow rate to exclude outlet obstruction in men with voiding symptoms. J Am Geriatr Soc 1998; 46:1118-24. [PMID: 9736105 DOI: 10.1111/j.1532-5415.1998.tb06650.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVES Many older men with voiding symptoms do not have bladder outlet obstruction (BOO) but have conditions amenable to medical treatment. If primary care providers could reliably exclude men who have BOO, then they could initiate appropriate evaluation and treatment in a substantial proportion of the remainder. Urine flow rate, although widely used, is insufficiently sensitive to exclude BOO reliably. We investigated whether the decline in flow rate with age could be utilized to improve the utility of flow rate for excluding BOO in symptomatic men, especially when combined with knowledge of the patient's postvoiding residual volume (PVR). DESIGN Prospective study using two patient cohorts. SETTINGS A Veterans Affairs urology clinic serving community-dwelling and institutionalized healthy older men. PARTICIPANTS 111 men with voiding symptoms (mean age 72.4 +/- 9.2 years). MEASUREMENTS Maximum urine flow rate, measured with standard flowmeter, and PVR, measured by catheterization. BOO was determined by multichannel videourodynamic testing. RESULTS The sensitivity of flowrate for BOO increased significantly with age (P = .0001) and did not appear to be confounded by comorbid conditions. An algorithm incorporating age, flow rate, and PVR had a sensitivity of 90%, specificity of 43%, and accuracy of 74% in screening for BOO. The algorithm's sensitivity was better than that of flow rate alone (55%); its sensitivity was also similar to a "refer all" strategy (100%) but had improved specificity (41% vs 0%). CONCLUSIONS Flow rate alone is insufficiently sensitive as a screening test to exclude BOO, but a simple diagnostic algorithm using age, flowrate, and PVR was more sensitive and accurate. This algorithm allows primary care evaluation and initial management of men with voiding symptoms while potentially reducing unnecessary referrals and costs.
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Affiliation(s)
- C E DuBeau
- Gerontology Division, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA
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