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Medical records of patients diagnosed CP having pre-operative UDS results underwent selective dorsal rhizotomy (SDR) from Jan. 2020 to May. 2021 were retrospectively reviewed. Fifty-seven cases diagnosed spastic CP were included in the study (mean age, 6.73\u2009\u00b1\u20092.84\u00a0years), among which, 46 were ambulatory and 11 non-ambulatory. Average gross motor function measure-66 (GMFM-66) score was 62.16\u2009\u00b1\u200911.39. Reduced bladder capacity was seen in 49.12% of these cases and cases with lower GMFM-66 score possessed a higher incidence rate of having low bladder capacity (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01). Detrusor overactivity (DO) was shown in 33.33% of the patients. Cases with younger age presented a higher prevalence of DO (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05). Meanwhile, more non-ambulant patients suffered from DO (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05). Increased post-voiding residual (PVR) was seen in 21.05% of the cases. Those with higher average threshold in sphincter-associated input spinal nerve roots (rootlets) witnessed a higher rate of having abnormal PVR (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05). Abnormal UDS results were prevalent in pediatric patients suffering from CP. Motor function, age and threshold of their sphincter-associated spinal nerve roots laid corresponding effect on the abnormal UDS results.<\/jats:p>","DOI":"10.1038\/s41598-022-11057-3","type":"journal-article","created":{"date-parts":[[2022,4,28]],"date-time":"2022-04-28T14:07:33Z","timestamp":1651154853000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Urodynamic study findings and related influential factors in pediatric spastic cerebral palsy"],"prefix":"10.1038","volume":"12","author":[{"given":"Wenbin","family":"Jiang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huizhen","family":"Sun","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Baojun","family":"Gu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qijia","family":"Zhan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Min","family":"Wei","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sen","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fang","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bo","family":"Xiao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2022,4,28]]},"reference":[{"issue":"4","key":"11057_CR1","doi-asserted-by":"publisher","first-page":"1190","DOI":"10.1016\/j.juro.2011.02.2692","volume":"186","author":"B Drzewiecki","year":"2011","unstructured":"Drzewiecki, B. & Bauer, S. 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