Yousefi Parsa, Firouzifar Mohammadreza, Cyrus Ali
Department of Pediatrics, School of Medicine, Arak University of Medical Sciences, Arak, Iran.
Student Research Committee, Arak University of Medical Sciences, Arak, Iran.
J Nephropathol. 2012 Oct;1(3):183-7. doi: 10.5812/nephropathol.8120. Epub 2013 Oct 1.
Enuresis is defined as the repeated voiding of urine into clothes or bed at least twice a week for at least 3 consecutive months in a child who is at least 5 yr of age and has a high prevalence in school aged children. In primary enuresis (PE) children have never gained control over urination or has been dry for<6months. While in secondary enuresis children have developed incontinence after a period of at least 6 months of urinary control.
The aim of this study was to investigate a possible relation between PE and sacral ratio (SR) in 5-9 aged children.
118 children with aged 5-9 year were enrolled in this case-control study. All them were divided into two aliquots groups of 59 patients. The case study (children with PE) and the control (children without PE) groups were matched in age and sex. SR based on antero-posterior plain radiograms of pelvis was calculated. Results were then analyzed using Chi square and student t-test as appropriate.
There were no significant differences between the two groups regarding age and gender. Mean SR in case and control group was 0.89 and 0.90, respectively. Moreover, there was no significant difference between the two groups (p=0.82). Only 1 child (1.6%) in case group showed abnormal SR while this was 7 children (11.9%) in the control group.
This study showed that, there was no significant difference between children with PE and those without PE in terms of SR. However, multicenter and larger sample size is recommended for definite decision of this finding.
遗尿症的定义为，年龄至少5岁的儿童每周至少两次将尿液反复排到衣服或床上，且持续至少3个月，在学龄儿童中患病率较高。原发性遗尿症（PE）患儿从未获得过排尿控制能力或已保持干爽少于6个月。而继发性遗尿症患儿在至少6个月的排尿控制期后出现了尿失禁。
本研究旨在调查5至9岁儿童中PE与骶骨比例（SR）之间的可能关系。
118名5至9岁的儿童参与了这项病例对照研究。他们全部被分为两组，每组59名患者。病例组（PE患儿）和对照组（无PE患儿）在年龄和性别上进行了匹配。根据骨盆前后位平片计算SR。然后根据情况使用卡方检验和学生t检验分析结果。
两组在年龄和性别方面无显著差异。病例组和对照组的平均SR分别为0.89和0.90。此外，两组之间无显著差异（p = 0.82）。病例组中只有1名儿童（1.6%）SR异常，而对照组中有7名儿童（11.9%）SR异常。
本研究表明，PE患儿和无PE患儿在SR方面无显著差异。然而，建议进行多中心、更大样本量的研究以明确这一发现。
