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Bani-Hani M, Alhouri A, Sharabi A, Saleh S, Nawafleh S, Al-Zubi M, Alkhatatbeh H, Y Altal, Radi MA, Al Houri HN. New insights in treatment of monosymptomatic enuresis. Ann Med Surg (Lond) 2021; 67:102470. [PMID: 34158933 PMCID: PMC8196056 DOI: 10.1016/j.amsu.2021.102470] [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: 04/26/2021] [Revised: 05/25/2021] [Accepted: 06/04/2021] [Indexed: 11/29/2022] Open
Abstract
Objective Nocturnal enuresis (NE) is defined as uncontrollable bed-wetting for at least three consecutive months in children over 5 years. Sleep could be dramatically altered in children with primary nocturnal enuresis (PNE); consequently, this helps to confirm the assumption that PNE appears to modify sleep structure, or it might be the result of an irregular sleep structure itself. Method This study conducted on 180 patients with monosymptomatic nocturnal enuresis. Their age was ranged from 6 to 18 years, and they were still having nocturnal enuresis episodes. We record two main points: first, if the child is a regular sleeper or not. The second point if the child is a regular bed wetter or not. This work fully compliant with the STROCCS criteria (Agha et al., 2019). Result A total of 180 children were included (Male 122, 67.8%, Female 58, 32.2%). The mean age was 8.9 (±2.4). This study showed that children aged 7–10 years are significantly more inclined to be reported as specific time bed-wetter's, whereas those aged between 11 and 13 are significantly less likely to wet their bed at a specific time (p = 0.001). Children who tend to sleep more often near a specific time each night are 6.74 times more prone to bed-wet around a particular time during their sleep (p < 0.001). Conclusion This study can be considered as hypothesis-generating that shed light on the possible correlation between the adherence to sleep at a specific time and its effect on the time of enuresis and the number of bedwetting. Nocturnal enuresis is a common compliant among the pediatric age group. The incidence of Nocturnal enuresis varies with age. There is possible correlation between the adherence to sleep at a specific time and its effect on the time of enuresis and number of bedwetting. The majority of children who sleep at a particular time suffer from Nocturnal enuresis at a specific time and are younger than the rest of the children, while children who sleep at an unspecified time suffer from multiple bed wettings at an undetermined time. The chronobiology of micturition plays a vital role in the regulation of bedwetting in Monosymptomatic Nocturnal Enuresis (MNE) children.
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Affiliation(s)
- Morad Bani-Hani
- Department of Urology, Faculty of Medicine, Hashemite University, Zarqa, Jordan
| | - Abdullah Alhouri
- Department of Medicine, Faculty of Medicine, University of Jordan, Amman, Jordan
| | - Alaa Sharabi
- Department of Medicine, Faculty of Medicine, University of Science and Technology, Sanaa, Yemen
| | - Saiel Saleh
- Department of Pediatrics, Faculty of Medicine, Hashemite University, Zarqa, Jordan
| | - Sager Nawafleh
- Department of Anesthesia, Faculty of Medicine, Hashemite University, Zarqa, Jordan
| | - Mohammad Al-Zubi
- Department of Urology, Faculty of Medicine, Yarmouk University, Irbid, Jordan
| | - Hassan Alkhatatbeh
- Department of Urology, Faculty of Medicine, Hashemite University, Zarqa, Jordan
| | - Y Altal
- Department of Urology, Faculty of Medicine, Hashemite University, Zarqa, Jordan
| | - M A Radi
- Department of Pediatrics, Faculty of Medicine, Hashemite University, Zarqa, Jordan
| | - Hasan Nabil Al Houri
- Internal Medicine Department, Al Assad University Hospital and AL Mouwasat University Hospital, Damascus, Syria.,Internal Medicine Department, Syrian Private University, Damascus, Syria
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Tai TT, Tai BT, Chang YJ, Huang KH. Experience Of Medical Treatment With Desmopressin And Imipramine In Children With Severe Primary Nocturnal Enuresis In Taiwan. Res Rep Urol 2019; 11:283-289. [PMID: 31803634 PMCID: PMC6827525 DOI: 10.2147/rru.s221443] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 10/14/2019] [Indexed: 01/23/2023] Open
Abstract
Purpose The aim of this study was to compare the efficacy and safety of desmopressin and imipramine in the treatment of severe primary nocturnal enuresis (NE) in Taiwan. Patients and methods This study was a retrospective chart review study conducted on children with primary monosymptomatic nocturnal enuresis (PMNE) or non-monosymptomatic nocturnal enuresis (PNMNE), referred to and treated by senior physicians in a Changhua medical center in Taiwan. After being screened, these children were treated with either desmopressin (n = 125) or imipramine (n = 71). All participants were treated for at least 3 months and followed afterward for at least 3 more months. The response and relapse rates were measured. Side effects were monitored. Age, gender, and severity of NE were recorded. Results After 3 months of treatment, 97 children treated with desmopressin were responsive (77.6%) while 58 children treated with imipramine were responsive (81.7%). Sixty-one children treated with desmopressin (48.8%) and 26 treated with imipramine (36.6%) relapsed during the 3-month post-treatment monitoring. The differences in responsive and relapse rates were not statistically significant. Four children treated with imipramine (5.6%) reported side effects while none was reported for children treated with desmopressin (P < 0.05). Age, gender, and the presence or absence of daytime enuresis did not influence the response rate to either drug (P < 0.05). Conclusion Currently, desmopressin is preferred over imipramine for treating NE due to the latter's side effects. Our results demonstrated similar response rates for both drugs, with imipramine demonstrating minimal side effects. While health practitioners should pay attention to its side effects, concerns regarding imipramine toxicity in NE treatment are often overblown. Since imipramine is much cheaper than desmopressin, using imipramine to manage NE can allow health practitioners, especially in Taiwan, to treat the greatest number of children with NE.
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Affiliation(s)
- Thomson T Tai
- Loyola University Chicago, Stritch School of Medicine, Maywood, IL, USA.,Department of Epidemiology and Biostatistics, Changhua Christian Hospital, Changhua, Taiwan
| | - Brent T Tai
- Department of Epidemiology and Biostatistics, Changhua Christian Hospital, Changhua, Taiwan.,Burrell College of Osteopathic Medicine, Las Cruces, NM, USA
| | - Yu-Jun Chang
- Department of Epidemiology and Biostatistics, Changhua Christian Hospital, Changhua, Taiwan
| | - Kuo-Hsuan Huang
- Department of Surgery, Erlin Christian Hospital, Changhua, Taiwan.,Division of Urology, Changhua Christian Hospital, Changhua, Taiwan
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Abstract
Illicit drug use is prevalent worldwide; over 24 million people are estimated to have used recreational drugs during the past month in the UK and USA alone. Illicit drug use can result in a wide spectrum of potential medical complications that include many urological manifestations. To ensure optimal care and treatment, urologists need to be cognizant of these complications in their patients, particularly among youths. Ketamine uropathy is thought to affect over one-quarter of ketamine users and can lead to severe lower urinary tract symptoms, as well as upper tract obstruction. Cannabis use has been associated with an increased risk of bladder cancer, prostate cancer and nonseminomatous germ cell tumours in case-control studies. Fournier's gangrene has been reported following injection of heroin and cocaine into the penis. Excessive use of cough medicines can lead to the development of radiolucent stones composed of ephedrine, pseudoephedrine and guaifenesin. As the current evidence is mostly limited to case reports and case series, future epidemiological studies are needed to fully address this issue.
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Affiliation(s)
- Sean C Skeldon
- Department of Urologic Sciences, University of British Columbia, Level 6, 2775 Laurel Street, Vancouver, BC V5Z 1M9, Canada
| | - S Larry Goldenberg
- Department of Urologic Sciences, University of British Columbia, Level 6, 2775 Laurel Street, Vancouver, BC V5Z 1M9, Canada
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Schlomer B, Rodriguez E, Weiss D, Copp H. Parental beliefs about nocturnal enuresis causes, treatments, and the need to seek professional medical care. J Pediatr Urol 2013; 9:1043-8. [PMID: 23608323 PMCID: PMC4648250 DOI: 10.1016/j.jpurol.2013.02.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2012] [Accepted: 02/18/2013] [Indexed: 01/28/2023]
Abstract
OBJECTIVE To better understand parental beliefs regarding the etiology and treatment of nocturnal enuresis (NE). METHODS A self-administered survey queried parental NE beliefs including perceived etiologies and home behavioral treatments. We assessed for associations between demographic characteristics and propensity to seek medical care for NE. RESULTS Of 216 respondents, 78% were female. The most common causes for NE reported were: deep sleeper (56%), unknown (39%), and laziness (26%). Popular home behavioral therapies included: void prior to sleep (77%) and limiting fluid intake at night (71%). Few reported they would use a bedwetting alarm (6%). Fifty-five percent reported they would seek medical care for NE and 28% reported awareness of effective treatments. On multivariable analysis, females (OR 2.3, 95% CI 1.04-5.0) and those with graduate level education (OR 4.8, 95% CI 1.5-15.7) were more likely to seek medical care for their child with NE. CONCLUSIONS General parental knowledge of the causes and effective treatments for NE is lacking. Only 55% reported they would seek medical care for their child with NE and only 28% reported awareness of effective treatments. Counseling should focus on dispelling common misconceptions about causes and treatments of NE and focus on proven effective treatments.
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Affiliation(s)
- Bruce Schlomer
- University of California San Francisco, 400 Parnassus Avenue, Suite A-633, San Francisco, CA 94143, United States.
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Caldwell PHY, Nankivell G, Sureshkumar P. Simple behavioural interventions for nocturnal enuresis in children. Cochrane Database Syst Rev 2013:CD003637. [PMID: 23881652 DOI: 10.1002/14651858.cd003637.pub3] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Nocturnal enuresis (bedwetting) is a socially disruptive and stressful condition which affects around 15% to 20% of five year olds and up to 2% of adults. Although there is a high rate of spontaneous remission, the social, emotional and psychological costs can be great. Behavioural interventions for treating bedwetting are defined as interventions that require a behaviour or action by the child which promotes night dryness and includes strategies which reward that behaviour. Behavioural interventions are further divided into:(a) simple behavioural interventions - behaviours or actions that can be achieved by the child without great effort; and(b) complex behavioural interventions - multiple behavioural interventions which require greater effort by the child and parents to achieve, including enuresis alarm therapy.This review focuses on simple behavioural interventions.Simple behavioural interventions are often used as a first attempt to improve nocturnal enuresis and include reward systems such as star charts given for dry nights, lifting or waking the children at night to urinate, retention control training to enlarge bladder capacity (bladder training) and fluid restriction. Other treatments such as medications, complementary and miscellaneous interventions such as acupuncture, complex behavioural interventions and enuresis alarm therapy are considered elsewhere. OBJECTIVES To determine the effects of simple behavioural interventions in children with nocturnal enuresis.The following comparisons were made:1. simple behavioural interventions versus no active treatment;2. any single type of simple behavioural intervention versus another behavioural method (another simple behavioural intervention, enuresis alarm therapy or complex behavioural interventions);3. simple behavioural interventions versus drug treatment alone (including placebo drugs) or drug treatment in combination with other interventions. SEARCH METHODS We searched the Cochrane Incontinence Group Specialised Trials Register, which contains trials identified from the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, MEDLINE in process, and handsearching of journals and conference proceedings (searched 15 December 2011). The reference lists of relevant articles were also searched. SELECTION CRITERIA All randomised or quasi-randomised trials of simple behavioural interventions for treating nocturnal enuresis in children up to the age of 16. Studies which included children with daytime urinary incontinence or children with organic conditions were also included in this review if the focus of the study was on nocturnal enuresis. Trials focused solely on daytime wetting and trials of adults with nocturnal enuresis were excluded. DATA COLLECTION AND ANALYSIS Two reviewers independently assessed the quality of the eligible trials and extracted data. Differences between reviewers were settled by discussion with a third reviewer. MAIN RESULTS Sixteen trials met the inclusion criteria, involving 1643 children of whom 865 received a simple behavioural intervention. Within each comparison, outcomes were mostly addressed by single trials, precluding meta-analysis. The only exception was bladder training versus enuresis alarm therapy which included two studies and demonstrated that alarm therapy was superior to bladder training.In single small trials, rewards, lifting and waking and bladder training were each associated with significantly fewer wet nights, higher full response rates and lower relapse rates compared to controls. Simple behavioural interventions appeared to be less effective when compared with other known effective interventions (such as enuresis alarm therapy and drug therapies with imipramine and amitriptyline). However, the effect was not sustained at follow-up after completion of treatment for the drug therapies. Based on one small trial, cognitive therapy also appeared to be more effective than rewards. When one simple behavioural therapy was compared with another, there did not appear to be one therapy that was more effective than another. AUTHORS' CONCLUSIONS Simple behavioural methods may be superior to no active treatment but appear to be inferior to enuresis alarm therapy and some drug therapy (such as imipramine and amitriptyline). Simple behavioural therapies could be tried as first line treatment before considering enuresis alarm therapy or drug therapy, which may be more demanding and have adverse effects, although evidence supporting their efficacy is lacking.
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Affiliation(s)
- Patrina H Y Caldwell
- Discipline of Paediatrics and Child Health, The Children’s Hospital at Westmead Clinical School, University of Sydney, Westmead,Australia.
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Deshpande AV, Caldwell PHY, Sureshkumar P. Drugs for nocturnal enuresis in children (other than desmopressin and tricyclics). Cochrane Database Syst Rev 2012; 12:CD002238. [PMID: 23235587 PMCID: PMC7100585 DOI: 10.1002/14651858.cd002238.pub2] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
BACKGROUND Enuresis (bedwetting) is a socially stigmatising and stressful condition which affects around 15% to 20% of five-year olds and up to 2% of young adults. Although there is a high rate of spontaneous remission, the social, emotional and psychological costs to the children can be great. Drugs (including desmopressin, tricyclics and other drugs) have often been tried to treat nocturnal enuresis. OBJECTIVES To assess the effects of drugs other than desmopressin and tricyclics on nocturnal enuresis in children and to compare them with other interventions. SEARCH METHODS We searched the Cochrane Incontinence Group Specialised Register of trials (searched 15 December 2011), which includes searches of MEDLINE and CENTRAL, to identify published and unpublished randomised and quasi-randomised trials. The reference lists of relevant articles were also searched. SELECTION CRITERIA All randomised trials of drugs (excluding desmopressin or tricyclics) for treating nocturnal enuresis in children up to the age of 16 years were included in the review. Trials were eligible for inclusion if children were randomised to receive drugs compared with placebo, other drugs or behavioral interventions for nocturnal enuresis. Studies which included children with daytime urinary incontinence or children with organic conditions were also included in this review if the focus of the study was on nocturnal enuresis. Trials focused solely on daytime wetting and trials of adults with nocturnal enuresis were excluded. DATA COLLECTION AND ANALYSIS Two review authors independently assessed the quality of the eligible trials and extracted data. Differences between review authors were settled by discussion with a third review author. MAIN RESULTS A total of 40 randomised or quasi-randomised controlled trials (10 new in this update) met the inclusion criteria, with a total of 1780 out of 2440 children who enrolled receiving an active drug other than desmopressin or a tricyclic. In all, 31 different drugs or classes of drugs were tested. The trials were generally small or of poor methodological quality. There was an overall paucity of data regarding outcomes after treatment was withdrawn.For drugs versus placebo, when compared to placebo indomethacin (risk ratio [RR] 0.36, 95% CI 0.16 to 0.79), diazepam (RR 0.22, 95% CI 0.11 to 0.46), mestorelone (RR 0.32, 95% CI 0.17 to 0.62) and atomoxetine (RR 0.81, 95% CI 0.70 to 0.94) appeared to reduce the number of children failing to have 14 consecutive dry nights. Although indomethacin and diclofenac were better than placebo during treatment, they were not as effective as desmopressin and there was a higher chance of adverse effects. None of the medications were effective in reducing relapse rates, although this was only reported in five placebo controlled trials.For drugs versus drugs, combination therapy with imipramine and oxybutynin was more effective than imipramine monotherapy (RR 0.68, 95% CI 0.50 to 0.94) and also had significantly lower relapse rates than imipramine monotherapy (RR 0.35, 95% CI 0.16 to 0.77). There was an overall paucity of data regarding outcomes after treatment was withdrawn.For drugs versus behavioural therapy, bedwetting alarms were found to be better than amphetamine (RR 2.2, 95% CI 1.12 to 4.29), oxybutynin (RR 3.25, 95% CI 1.77 to 5.98), and oxybutynin plus holding exercises (RR 3.3, 95% CI 1.84 to 6.18) in reducing the number of children failing to achieve 14 consecutive dry nights.Adverse effects of drugs were seen in 19 trials while 17 trials did not adequately report the occurrence of side effects. AUTHORS' CONCLUSIONS There was not enough evidence to judge whether or not the included drugs cured bedwetting when used alone. There was limited evidence to suggest that desmopressin, imipramine and enuresis alarms therapy were better than the included drugs to which they were compared. In other reviews, desmopressin, tricyclics and alarm interventions have been shown to be effective during treatment. There was also evidence to suggest that combination therapy with anticholinergic therapy increased the efficacy of other established therapies such as imipramine, desmopressin and enuresis alarms by reducing the relapse rates, by about 20%, although it was not possible to identify the characteristics of children who would benefit from combination therapy. Future studies should evaluate the role of combination therapy against established treatments in rigorous and adequately powered trials.
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Affiliation(s)
- Aniruddh V Deshpande
- The Children's Hospital at WestmeadDepartment of Surgery and Centre for Kidney ResearchLocked Bag 4001, Corner Hawkesbury Road and Hainsworth StreetWestmeadNew South WalesAustralia2145
| | - Patrina HY Caldwell
- The Children's Hospital at Westmead Clinical School, University of SydneyDiscipline of Paediatrics and Child HealthLocked Bag 4001WestmeadAustraliaNSW
| | - Premala Sureshkumar
- Royal Alexandra Hospital for ChildrenCentre for Kidney ResearchClinical Science BuildingPO Box 3515ParramattaNew South WalesAustraliaNSW 2124
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Ellington EE, McGuinness TM. Mental Health Considerations in Pediatric Enuresis. J Psychosoc Nurs Ment Health Serv 2012; 50:40-5. [DOI: 10.3928/02793695-20120306-03] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2011] [Accepted: 02/02/2012] [Indexed: 11/20/2022]
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Huang T, Shu X, Huang YS, Cheuk DK. Complementary and miscellaneous interventions for nocturnal enuresis in children. Cochrane Database Syst Rev 2011:CD005230. [PMID: 22161390 DOI: 10.1002/14651858.cd005230.pub2] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Nocturnal enuresis (bedwetting) is a socially disruptive and stressful condition which affects around 15% to 20% of five year olds, and up to 2% of young adults. OBJECTIVES To assess the effects of complementary interventions and others such as surgery or diet on nocturnal enuresis in children, and to compare them with other interventions. SEARCH METHODS We searched PubMed (1950 to June 2010), EMBASE (1980 to June 2010), the Traditional Chinese Medical Literature Analysis and Retrieval System (TCMLARS) (1984 to June 2010), Chinese Biomedical Literature Database (CBM) (1975 to June 2010), China National Knowledge Infrastructure (CNKI) (1979 to June 2010), VIP database (1989 to June 2010), and the reference lists of relevant articles, all last searched 26 June 2010. No language restriction was used. SELECTION CRITERIA All randomised or quasi-randomised trials of complementary and other miscellaneous interventions for nocturnal enuresis in children were included except those focused solely on daytime wetting. Comparison interventions could include no treatment, placebo or sham treatment, alarms, simple behavioural treatment, desmopressin, imipramine and miscellaneous other drugs and interventions. DATA COLLECTION AND ANALYSIS Two reviewers independently assessed the quality of the eligible trials, and extracted data. MAIN RESULTS In 24 randomised controlled trials, 2334 children were studied, of whom 1283 received a complementary intervention. The quality of the trials was poor: 5 trials were quasi-randomised, 5 showed differences at baseline and 17 lacked follow up data.The outcome was better after hypnosis than imipramine in one trial (relative risk (RR) for failure or relapse after stopping treatment 0.42, 95% confidence interval (CI) 0.23 to 0.78). Psychotherapy appeared to be better in terms of fewer children failing or relapsing than both alarm (RR 0.28, 95% CI 0.09 to 0.85) and rewards (RR 0.29, 95%CI 0.09 to 0.90) but this depended on data from only one trial. Medicinal herbs had better results than desmopressin in one trial (RR for failure or relapse after stopping treatment 0.35, 95% CI 0.14 to 0.85). Acupuncture had better results than sham control acupuncture (RR for failure or relapse after stopping treatment 0.67, 95% CI 0.48 to 0.94) in a further trial. Active chiropractic adjustment had better results than sham adjustment (RR for failure to improve 0.76, 95% CI 0.60 to 0.95). However, each of these findings came from small single trials, and must be verified in further trials. The findings for diet and faradization were unreliable, and there were no trials including homeopathy or surgery. AUTHORS' CONCLUSIONS There was weak evidence to support the use of hypnosis, psychotherapy, acupuncture, chiropractic and medicinal herbs but it was provided in each case by single small trials, some of dubious methodological rigour. Robust randomised trials are required with efficacy, cost-effectiveness and adverse effects clearly reported.
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Affiliation(s)
- Tao Huang
- Branch of Cooperative Research Center on Evidence-based Medicine of Ministry of Education, Department of Preventive Medicine, Jinggangshan University, 23 Jifu Road, Ji'an, Jiangxi, China, 343000
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Buckley BS, Grant AM, Tincello DG, Wagg AS, Firkins L. Prioritizing research: Patients, carers, and clinicians working together to identify and prioritize important clinical uncertainties in urinary incontinence. Neurourol Urodyn 2009; 29:708-14. [PMID: 19771595 DOI: 10.1002/nau.20816] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Brian S Buckley
- Department of General Practice, National University of Ireland, Galway, Ireland.
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Vande Walle J, Van Laecke E. Pitfalls in studies of children with monosymptomatic nocturnal enuresis. Pediatr Nephrol 2008; 23:173-8. [PMID: 18057964 DOI: 10.1007/s00467-007-0688-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2007] [Revised: 10/02/2007] [Accepted: 10/02/2007] [Indexed: 01/13/2023]
Abstract
In this issue Ferrara et al. present an important placebo-controlled, three-arm, double-blind, double-dummy, study on the treatment of nocturnal enuresis, demonstrating that homotoxicology is superior to placebo but less effective than desmopressin. Nocturnal enuresis is a disease with a heterogeneous aetiology and complex pathophysiology. The fact that different therapies may result in a wide range of responses is, therefore, not surprising. Differences in success rate can, therefore, be largely attributed to selection bias in the sub-populations. This consideration must be taken into account for every study design, to avoid premature interpretation of the results. Positive results in a paper are only not subject for discussion if both methodology and study population fulfil the highest standards, because negative results are not likely to be reported. Several points of weakness are present in the majority of studies, such as (a) inappropriate subtyping of the patients (terminology) or (b) epidemiological data, (c) insufficient documentation of patients' characteristics, (d) lack of plausible explanation as to why the placebo effect might be absent, (e) the heterogeneity of the severity of bedwetting. All these may lead to false positive and/or false negative results. In this commentary we try to tackle these different issues which might be relevant for the interpretation even of placebo-controlled studies like that of Ferrara et al.
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Affiliation(s)
- Johan Vande Walle
- Paediatric Nephrology, UZ Gent, DePintelaan 185, 9000, Gent, Belgium.
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Glazener CMA, Evans JHC, Peto RE. Complex behavioural and educational interventions for nocturnal enuresis in children. Cochrane Database Syst Rev 2004:CD004668. [PMID: 14974076 DOI: 10.1002/14651858.cd004668] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Nocturnal enuresis (bedwetting) is a socially disruptive and stressful condition which affects around 15-20% of five year olds, and up to 2% of young adults. OBJECTIVES To assess the effects of complex behavioural and educational interventions on nocturnal enuresis in children, and to compare them with other interventions. SEARCH STRATEGY We searched the Cochrane Incontinence Group trials register (December 2002) and the reference lists of relevant articles. Date of the most recent searches: December 2002. SELECTION CRITERIA All randomised or quasi-randomised trials of complex behavioural or educational interventions for nocturnal enuresis in children were included, except those focused solely on daytime wetting. Comparison interventions included no treatment, simple and physical behavioural methods, alarms, desmopressin, tricyclics, and miscellaneous other interventions. DATA COLLECTION AND ANALYSIS Two reviewers independently assessed the quality of the eligible trials, and extracted data. MAIN RESULTS Sixteen trials involving 1081 children were identified which included a complex or educational intervention for nocturnal enuresis. The trials were mostly small and some had methodological problems including the use of a quasi-randomised method of concealment of allocation in three trials and baseline differences between the groups in another three.A complex intervention (such as dry bed training (DBT) or full spectrum home training (FSHT)) including an alarm was better than no-treatment control groups (eg RR for failure or relapse after stopping DBT 0.25; 95% CI 0.16 to 0.39) but there was not enough evidence about the effects of complex interventions alone if an alarm was not used. A complex intervention on its own was not as good as an alarm on its own or the intervention supplemented by an alarm (eg RR for failure or relapse after DBT alone versus DBT plus alarm 2.81; 95% CI 1.80 to 4.38). On the other hand, a complex intervention supplemented by a bed alarm might reduce the relapse rate compared with the alarm on its own (eg RR for failure or relapse after DBT plus alarm versus alarm alone 0.5; 95% CI 0.31 to 0.80).There was not enough evidence to judge whether providing educational information about enuresis was effective, irrespective of method of delivery. There was some evidence that direct contact between families and therapists enhanced the effect of a complex intervention, and that increased contact and support enhanced a package of simple behavioural interventions, but these were addressed only in single trials and the results would need to be confirmed by further randomised controlled trials, in particular the effect on use of resources. REVIEWER'S CONCLUSIONS Although DBT and FSHT were better than no treatment when used in combination with an alarm, there was insufficient evidence to support their use without an alarm. An alarm on its own was also better than DBT on its own, but there was some evidence that combining an alarm with DBT was better than an alarm on its own, suggesting that DBT may augment the effect of an alarm. There was also some evidence that direct contact with a therapist might enhance the effects of an intervention.
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Affiliation(s)
- C M A Glazener
- Health Services Research Unit (Foresterhill Lea), University of Aberdeen, Foresterhill, Aberdeen, Scotland, UK, AB25 2ZD
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