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ORIGINAL ARTICLE
Year : 2018  |  Volume : 35  |  Issue : 1  |  Page : 24-27

Sleep patterns in Egyptian children with nocturnal enuresis


1 Department of Pediatrics, Faculty of Medicine, Benha University, Benha, Egypt
2 Department of Neuropsychiatry, Faculty of Medicine, Benha University, Benha, Egypt
3 Department of Urosurgery, Faculty of Medicine, Benha University, Benha, Egypt

Correspondence Address:
Hanaa R Omar
Department of Pediatrics, Faculty of Medicine, Benha University, Benha, 13518
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/bmfj.bmfj_2_17

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Background Enuresis is widely regarded as parasomnia because it occurs only during the nonrapid eye movement sleep cycle. Polysomnography can be used to monitor appropriate physiological variables associated with children’s sleep-related problems. Aim The aim of this study was to determine sleep patterns in Egyptian children who were suffering from primary nocturnal enuresis. Patients and methods Twenty children with primary nocturnal enuresis and ten healthy children were included in our study. Patients were recruited from outpatient clinics of the Pediatric Department of Benha University Hospital, during the period between March 2015 and March 2016. The following investigations were carried out on all patients: urine analysis and culture, random blood sugar, Ca, Na+, creatinine, pelvic-abdominal ultrasound, lumbosacral radiograph, uroflowmetry, voiding cystometry, and polysomnography. Results Uroflowmetric tests were normal in all cases excluding local urological causes of enuresis. Cystometric measurement of bladder capacity revealed that three out of 20 (15%) patients had reduced bladder capacity, and 17 (85%) patients had normal bladder capacity. A statistically significant difference (P=0.001) was observed in the number of awakenings, where the patients showed a significantly higher number of awakenings. A statistically significant difference (P=0.002) was observed in delta-wave sleep, where the patients showed significantly less delta sleep activity and lower sleep efficiency compared with controls. Rapid eye movement sleep percentage was low in enuretic children, although the difference was not statistically significant (P=0.142). Conclusion Monosymptomatic nocturnal enuresis can be explained by a multifactorial etiology. Sleep disturbances with consequent urodynamic findings seem to be the cornerstone of this problem.


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