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PubMed1987

Enuresis.

Enuresis is often familial, usually disappearing in adolescence, with only 1 per cent of children suffering from it into adulthood. Functional enuresis is considered to be a variation in normal bladder control, rather than a disease, and most enuretic children do not exhibit any emotional problems. A small functional bladder capacity and a maturational delay appear to be the relevant causes, considering the high rate of spontaneous cure. Only some children with primary enuresis show evidence of emotional or behavioral problems. The physician caring for an enuretic patient should remember that in the absence of obvious clinical manifestations (which must be treated immediately) the best treatment for enuresis is giving reassurance, offering supportive counseling and allowing time for spontaneous remission. Only when the presence of enuresis interrupts the sequence of normal social, emotional, cognitive, or motor development, should the use of medication or devices be considered.

Adolescent↗
PubMed2003

Bladder capacity at the time of enuresis.

OBJECTIVES: To evaluate bladder capacity at the time of enuresis and compare the daytime capacity of enuretics with that of controls. METHODS: The functional bladder capacity (FBC), which was the maximal endurable capacity in the daytime, the ordinary bladder capacity (OBC), which was the capacity at ordinary urinary sensation in the daytime, and the enuretic bladder capacity (EBC), which was the capacity at the time of enuresis, were measured in 67 patients with monosymptomatic nocturnal enuresis. The EBC was measured using a diaper and enuresis alarm. The FBC, OBC, and nocturnal bladder capacity, which was the maximal voided volume in the nighttime, were also measured in 67 controls. RESULTS: The FBC was not significantly different between enuretics and controls. The EBC in enuretics was significantly smaller than the nocturnal bladder capacity in controls. In enuretics, the EBC was significantly smaller than the FBC and was similar to the OBC. In controls, no statistically significant differences were found between the FBC and the nocturnal bladder capacity. CONCLUSIONS: In enuretics, the bladder capacity during sleep was significantly smaller than the daytime functional capacity. In controls, on the other hand, the bladder capacity during sleep did not differ from the daytime functional capacity. Our understanding of the bladder capacity in enuretics may need to change in view of this result. The inability to hold urine during sleep may be an important cause of nocturnal enuresis.

Adolescent↗
PubMed1985

Nocturnal enuresis in children with upper airway obstruction.

This article reviews 35 children between the ages of 3 1/2 and 11 years who have had symptoms of upper airway obstruction and enuresis. Twenty-eight patients had primary enuresis, and 7 had secondary enuresis. Removal of upper airway obstruction by surgical intervention led to a significant decrease or complete cure of nocturnal enuresis in 26 patients. Four children were studied with polysomnographic tracings in relationship to their enuresis.

Adenoidectomy↗
PubMed2003

Vesicoureteral reflux detected among patients with nocturnal enuresis.

OBJECTIVES: To clarify the characteristics of vesicoureteral reflux detected in patients with nocturnal enuresis. METHODS: Voiding cystourethrography (VCUG) was applied in 1,088 patients who visited our outpatient clinic with the chief complaint of nocturnal enuresis. The clinical features of reflux were evaluated and the prognosis of reflux and nocturnal enuresis was analyzed. RESULTS: Reflux was detected in 86 ureters in 70 patients (6.4%) out of the 1,088 patients. The grade of reflux was 3 or less in all cases. The incidence of pyuria was 5 (7%) and that of renal scar during first examination was 1 (1%). The incidence of unstable bladder was 30 (75%) in 40 patients. The resolution rate of reflux in the cases which were followed-up for 2 years or more by conservative treatment was 50-66% for each grade of reflux. The percentage of patients who had siblings with a positive history of nocturnal enuresis and the incidence of frequency differed significantly between the enuretics with reflux and the 507 enuretics without urological abnormalities. CONCLUSIONS: Our data suggest that the incidence of reflux in patients with nocturnal enuresis was rather low in comparison with the past literature, the severity was mild and the resolution rate by conservative treatment was rather high.

Child↗
PubMedDate not supplied

Enuresis: an update on diagnosis and management.

Enuresis is frustrating for both children and parents. Early identification of enuretic children, proper evaluation of the condition, and appropriate management are important to promote the child's self-esteem and independence. This article defines enuresis, provides a practical approach to the assessment of a child with enuresis, and presents current, specific recommendations for the treatment of the most common form of enuresis, primary nocturnal enuresis.

Activities of Daily Living↗
PubMed2006

Neurophysiology of nocturnal enuresis: evoked potentials and prepulse inhibition of the startle reflex.

Nocturnal enuresis is a genetically determined maturational disorder of the central nervous system. Lack of arousal and an inhibition deficit of the micturition reflex have been found as the main dysfunctions leading to wetting during sleep. Both are mediated by nuclei in the brainstem. Therefore, evoked potentials (brainstem auditory evoked potential [BAEP], visual evoked potential [VEP], event-related late acoustic-evoked potential [P300]), and the prepulse inhibition (PPI) of the startle reflex were assessed to further evaluate the brainstem deficit compared with cortical function. Thirty-seven children with nocturnal enuresis, aged 8 years to 14 years 8 months (mean age 10y 7mo [SD 1y 10mo]; 27 males, 10 females) were compared with 40 controls (mean age 10y 7mo [SD 1y 6mo]; 17 males, 23 females). Left interpeak latencies I-III and I-V of the BAEP were increased in children with nocturnal enuresis. VEP measures did not differ between patients and controls. However, children with a positive family history of enuresis showed a shorter latency towards N75 and P100 than children without such a family history. P300 and PPI measures did not differ. We conclude that this strongly supports the postulation of a maturational deficit of the brainstem in nocturnal enuretic children. The increased interpeak latencies I-III and I-V of the BAEP support the hypothesis of an arousal deficit mediated by delayed maturation of brainstem function. Differences in VEP latencies might point towards functional cortical differences in children with a family history of nocturnal enuresis.

Arousal↗
PubMed1995

Assignment of dominant inherited nocturnal enuresis (ENUR1) to chromosome 13q.

Nocturnal enuresis, or nightly bedwetting in children more than seven years of age affects about 10% of seven-year-old children, with a wide range of frequencies between populations. The affliction is often linked to major social maladjustments and occupies considerable time in general practice. From the age of seven there is a spontaneous cure rate of 15% per year, such that few remain affected after the age of 16 years. There are two types of nocturnal enuresis: type I (PEN1, primary) with at least three nightly episodes in children above seven years, where the child has always had the disorder and type II (secondary) where the child has been dry for at least six months, but enuresis has recurred. Among some 400 Danish, mostly three-generation families, we have found 17 families with nocturnal enuresis. Eleven of these family had type I nocturnal enuresis (PEN1) that appeared to follow an autosomal dominant mode of inheritance with penetrance above 90%. We now describe strong evidence of linkage with the DNA polymorphisms D13S291 (Z = 3.55; theta M = F = 0.07) and D13S263 (Z = 2.67; theta M = F = 0.08). Multipoint analysis indicates that these markers flank the disease locus at chromosome 13q13-q14.3.

Adolescent↗
PubMed2002

Treatment of monosymptomatic nocturnal enuresis by acupuncture: A preliminary study.

OBJECTIVES: This study was designed to clarify the clinical usefulness of acupuncture as a treatment option for monosymptomatic nocturnal enuresis, and evaluate the mechanisms of its effect. METHODS: Subjects comprised 15 patients (10 males, 5 females) with monosymptomatic nocturnal enuresis who were treated by acupuncture using a disposable stainless steel needle (0.3 mm in diameter, 60 mm in length) inserted into bilateral BL-33 (Zhongliao) points on the skin of the third posterior sacral foramina and rotated manually for 10 min reciprocally. Bladder capacities and number of wet nights per week were compared before and after treatment. Patients in whom wet nights decreased 50% or more compared with the baseline were considered responders. RESULTS: Nocturnal enuresis improvement rates following acupuncture treatment were 40% (6/15) just after treatment and 47% (7/15) 2 months after. In 6 responders, just after treatment the nocturnal bladder capacity (NBC) increased significantly, from 201 mL to 334 mL (P < 0.05). No side-effects were recognized throughout the treatment period. CONCLUSION: Acupuncture may be beneficial in the treatment of nocturnal enuresis by increasing NBC, and provide a promising alternative to conventional therapies for monosymptomatic nocturnal enuresis.

Acupuncture Therapy↗
PubMed1998

Primary enuresis: a urodynamic evaluation.

OBJECTIVE: To assess urodynamic and clinical data in patients with primary enuresis for potential prognostic indicators of detrusor instability. PATIENTS AND METHODS: The records of 33 patients (mean age 8.8 years, range 5-14) with monosymptomatic primary enuresis (MPE, bedwetting as the sole symptom) and 47 patients (mean age 7.1 years, range 5-12) with complicated primary enuresis (CPE, bedwetting associated with diurnal urinary loss, squatting and urge incontinence) were reviewed. The children underwent urodynamic studies to detect detrusor instability and the prevalence was compared with the type of enuresis. RESULTS: Of 33 patients with MPE, 17 (49%) showed either typical unstable detrusor contractions (16) or low-compliance bladders (one); in the remaining 16 patients, filling cystometry was normal and micturition was normal in all. Of the 47 patients with CPE, 35 (79%) showed detrusor instability and two decreased bladder compliance; the remaining 10 had stable bladders and micturition was also normal in all patients. CONCLUSION: The type of primary enuresis and the maximum cystometric bladder capacity were good indicators of bladder dysfunction.

Adolescent↗
PubMed2000

Effect of ultrasound in the treatment of primary nocturnal enuresis.

OBJECTIVE: This study aimed to determine the efficacy of ultrasound therapy in patients with primary nocturnal enuresis. MATERIAL AND METHODS: Thirty-five patients with enuresis were included the study. Patients were divided into two groups: 27 patients with enuresis were treated with ultrasound with irradiation and heating, and eight patients with enuresis were treated with ultrasound without irradiation or heating (placebo group). Ultrasound therapy was performed using the Therasonic 350 machine. The ultrasound therapy was applied to the skin of lumbosacral region. A treatment course of ultrasound comprised 10 sessions of 0.8 W/cm2 intensity applied daily for 8 min. Symptoms were evaluated I week, and 3, 6 and 12 months after the treatment. RESULTS: Twenty-two (81.5%) patients responded to the ultrasound therapy at the first week after the treatment. The effect of ultrasound started immediately after the treatment and continued during the 12 months of the follow-up period. CONCLUSION: Ultrasound therapy seems to be effective in the treatment of primary nocturnal enuresis in the 1 year follow-up period.

Adolescent↗
PubMed2002

Alarm treatment for childhood nocturnal enuresis: an investigation of within-treatment variables.

OBJECTIVE: The enuresis alarm has been widely advocated as an effective intervention in the treatment of childhood nocturnal enuresis. Although there is a body of evidence concerning which pretreatment variables are related to outcome, there is little evidence relating to influential within-treatment variables. This study sought to examine a series of treatment variables against outcome. MATERIAL AND METHODS: A total of 66 children with severe primary nocturnal enuresis but with no day-time wetting were treated with a body-worn enuresis alarm. Pre- and within-treatment variables were collected. Success was considered to be 14 consecutive dry nights during a 16-week period. RESULTS: A total of 54.5% of children achieved the success criterion, with 12.1% being classed as partial successes. Of the pretreatment variables, only low functional bladder capacity was significantly associated with failure. Inability to be woken by the alarm emerged as the most important within-treatment predictor of failure. CONCLUSIONS: The success of alarm treatment is dependent on the child's ability to be aroused by the alarm. Interestingly, of those who successfully became dry, 72.2% slept throughout the night for >80% of nights that they were dry, suggesting that the mode of action of the enuresis alarm is more complex than was previously thought.

Adolescent↗
PubMed2003

Functional bladder capacity after bladder biofeedback predicts long-term outcome in children with nocturnal enuresis.

OBJECTIVE: We previously reported a 70% cure rate for bladder biofeedback in children with primary nocturnal enuresis associated with small bladder capacity and detrusor instability. In this paper we report on bladder capacity and incidence of enuresis after 60 months of follow-up and discuss the role of decreased bladder capacity in nocturnal enuresis. MATERIAL AND METHODS: We prospectively evaluated 21 boys and 3 girls (mean age 10.4 years) treated with bladder biofeedback between October 1993 and July 1995. Baseline bladder capacity and capacity at the end of treatment and at 60 months follow-up were determined from a micturition chart. RESULTS: At the end of primary treatment 17/24 patients had stopped bedwetting. In 4/17 responders and 4/7 non-responders the bladder capacity was <90% of normal for age. At 60 months, 4 patients had been lost to follow-up, 15 were dry at night and 4 continued bedwetting. One patient underwent surgery and was excluded from the study. Only 2/15 dry patients but 3/4 patients with persistent nocturnal enuresis had a bladder capacity of <90% of normal. CONCLUSIONS: Bladder biofeedback can be successfully used to treat children with refractory nocturnal enuresis associated with small bladder capacity and unstable detrusor. Normalization of bladder capacity and continuous growth of the bladder in order to keep the capacity normal would seem to be crucial to the long-term resolution of bedwetting in this select patient population.

Biofeedback, Psychology↗
PubMed2005

Nocturnal enuresis and allergy.

OBJECTIVE: To investigate whether an interaction exists between nocturnal enuresis and allergy. MATERIAL AND METHODS: Thirty-seven (20 boys, 17 girls) children with monosymptomatic nocturnal enuresis were recruited. We studied an allergy panel that included total IgE, 10 examples of inhalant-specific IgE, 10 examples of food-specific IgE, eosinophilic cationic protein (ECP) and Phadiotop. The same panel was studied in a control group of 18 children without monosymptomatic nocturnal enuresis. RESULTS: We did not determine statistically significant differences between the enuretic group and the control group in terms of levels of total IgE, the 10 examples of inhalant-specific IgE and Phadiotop. However, two (soybean and hazelnut) of the 10 food-specific IgE and ECP levels did differ significantly between the two groups. CONCLUSIONS: This first specific IgE study showed that there may be a relationship between nocturnal enuresis and soybean and hazelnut food allergens. Our findings may explain some cases of nocturnal enuresis. However, further studies are necessary to explain the underlying mechanisms and management of this disorder.

Adolescent↗
PubMed2006

Exploring the differences between mono- and polysymptomatic nocturnal enuresis.

OBJECTIVE: Recently the heterogeneity of nocturnal enuresis has been manifest in the distinction between mono- and polysymptomatic forms, based on the absence or presence of bladder overactivity, respectively. Although this classification has important clinical implications, there is a lack of empirical work relating to associated symptom expression and psychological functioning. The aim of this study was to identify variables associated with the two forms of nocturnal enuresis by means of a large population survey. MATERIAL AND METHODS: From a cohort of 11,021 parents surveyed as part of the Avon Longitudinal Study of Parents and Children when their children were aged 7(1/2) years, 8242 questionnaires were returned, with 7935 children meeting the inclusion criteria. Parents were invited to complete a questionnaire containing items relating to bedwetting, toileting behaviour, day-time wetting, bowel functioning and psychological variables. RESULTS: A total of 194 children met the Diagnostic and Statistical Manual of Mental Disorders-IV definition of nocturnal enuresis, of whom 133 (68.5%) were classified as monosymptomatic and 61 (31.5%) as polysymptomatic. Those with the polysymptomatic form were significantly more likely to have multiple episodes of bedwetting, to show signs (such as fidgeting) of needing to urinate during the day, to need a reminder to toilet during the day and to have day-time wetting and soiling. CONCLUSIONS: The proportion of mono- to polysymptomatic nocturnal enuresis was 2:1. Children with the polysymptomatic form had a number of associated bladder and bowel problems. Clinically it is important to distinguish between the two types of nocturnal enuresis in order to identify the most appropriate treatment intervention.

Child↗
PubMed2006

Placebo-controlled study of the effects of atomoxetine on bladder control in children with nocturnal enuresis.

INTRODUCTION: Nocturnal enuresis is a condition in which children at least 5 years of age are incontinent of urine at night. Atomoxetine, a potent inhibitor of the presynaptic norepinephrine transporter, is used to treat attention-deficit/hyperactivity disorder (ADHD). This study tested the hypothesis that atomoxetine will provide significant therapeutic benefit for nocturnal enuresis in patients with the diagnosis of nocturnal enuresis. METHODS: Atomoxetine's efficacy for improving nocturnal enuresis was studied in 87 pediatric subjects using an outpatient, multicenter, randomized, double-blind, parallel, placebo-controlled study. Efficacy was determined by measuring the mean number of dry nights per week using an intent-to-treat analysis of the primary outcome measure, the Dry Night Log-Parent Report (DNL-PR), a daily parent diary. RESULTS: Baseline and end point DNL-PR data were available from 42 atomoxetine-treated and 41 placebo-treated subjects. Atomoxetine increased the average number of dry nights per week by 1.47 compared with .60 for placebo (F = 7.06; df = (1, 75); p = 0.01). Fifteen atomoxetine-treated subjects (35.7%) had an increase of at least 2 dry nights per week compared with only 6 (14.6%) placebo-treated subjects (Fisher's exact test; p = 0.042). There were no significant differences in adverse events between the groups. CONCLUSIONS: Compared with placebo, atomoxetine treatment was associated with a significant increase in dry nights in children with nocturnal enuresis.

Adolescent↗
PubMed2005

Nocturnal enuresis and psychosocial problems in pediatric sickle cell disease and sibling controls.

To evaluate current and lifetime prevalence rates of nocturnal enuresis and psychosocial problems among children with sickle cell disease (SCD) in comparison with sibling controls, a structured interview and the Pediatric Symptom Checklist were administered to primary caretakers regarding 126 of their children aged 5 to 17 with SCD and 47 sibling controls. Lifetime rates of enuresis among children with SCD were comparable to similar studies, and exceeded population prevalence and sibling control rates. In addition, enuretic children had higher levels of total psychosocial problems on the Pediatric Symptom Checklist regardless of group status, although patterns of subscale differences varied by group and enuresis history after controlling for child age. These findings replicate and extend previous findings and provide further evidence to support a need for monitoring of hydration levels and screening for psychosocial problems among children with SCD and enuresis, as well as evaluation of the psychometric properties of psychosocial screening measures and identification of efficacious treatments for enuresis in children with SCD.

Adolescent↗
PubMed1996

Trihexyphenidyl as a possible therapeutic option in clozapine-induced nocturnal enuresis.

Enuresis is an adverse event of clozapine treatment. The occurrence of nocturnal functional enuresis in two schizophrenic patients during the initial phase of clozapine therapy is reported. Beneficial effect of trihexyphenidyl administration (5 mg at 21.00 h) on clozapine-induced enuresis is clearly demonstrated in one patient. Trihexyphenidyl discontinuation and subsequent readministration in this patient led to corresponding recurrence and then disappearance of enuresis. Involvement of the cholinergic system has been proposed as one of the possible pathophysiological mechanisms of clozapine-induced enuresis.

Adult↗
PubMed2001

Adult onset nocturnal enuresis.

PURPOSE: We determined the etiology and prognostic significance of adult onset enuresis with absent daytime incontinence. Adult onset nocturnal enuresis unassociated with daytime incontinence is uncommon and there is a paucity of information about its incidence, significance, evaluation and treatment. We present a retrospective evaluation of this condition based on a database review of more than 3,000 consecutive patients referred for the evaluation of lower urinary tract symptoms. MATERIALS AND METHODS: A database of 3,277 consecutive patients was searched for adult onset nocturnal enuresis. Patients with daytime incontinence were excluded from study. Evaluation consisted of history, physical examination, American Urological Association symptom score, voiding diary, uroflowmetry, estimation of post-void residual urine, video urodynamics, cystoscopy and radiographic evaluation of the upper tract. RESULTS: Of 3,277 patients 8 (0.02%) had adult onset nocturnal enuresis without daytime incontinence as a primary complaint. Average American Urological Association symptom score was 12.6 (range 3 to 25), average maximum urine flow was 8.5 ml. per second (range 5 to 15) and average post-void residual urine volume was 350 ml. (range 50 to 489). All patients were men with severe prostatic or vesical neck obstruction as well as bilateral or unilateral hydronephrosis in 63%, a bladder diverticulum in 38%, vesicoureteral reflux in 50% and low bladder compliance in 50%. Transurethral prostatic resection was recommended to all patients but only 5 agreed. The other 3 cases were managed by alpha-adrenergic antagonists, including 2 by adjunctive clean intermittent self-catheterization. In all patients who underwent transurethral prostatic resection symptoms resolved, as did hydronephrosis when present. CONCLUSIONS: Adult onset nocturnal enuresis with absent daytime incontinence is a serious symptom that usually heralds significant urethral obstruction, and a high incidence of bladder diverticulum, hydronephrosis and vesicoureteral reflux. It demands urological investigation and aggressive therapy.

Age of Onset↗