• Zhonghua Wai Ke Za Zhi · Aug 2013

    [Analysis of ribs and intraspinal anomalies in congenital scoliosis].

    • Xu-hong Xue, Jian-xiong Shen, Jia-ming Liu, Jian-guo Zhang, Hong Zhao, Shu-gang Li, Yu Zhao, Li-juan Zhao, Yi-peng Wang, and Gui-xing Qiu.
    • Department of Orthopedics, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Peking Union Medical College, Beijing 100730, China.
    • Zhonghua Wai Ke Za Zhi. 2013 Aug 1; 51 (8): 732-6.

    ObjectiveTo investigate the incidences and characteristics of the ribs and intraspinal abnormalities in surgical patients with congenital scoliosis.MethodsWe conducted a retrospective study of the medical records and spine radiographs of 118 patients underwent surgical treatment between January 2010 and March 2011 with congenital scoliosis. The average age was 14 years (3-50 years).Fifty-two were male and 66 were female patients. The rib and intraspinal abnormalities were compared in different vertebral anomalies. Pearson's χ(2) test were used to analyze the incidence of anomalies of the ribs and vertebrae, as well as intraspinal anomalies.ResultsA total of 57 (48.3%) patients were found to have intraspinal abnormalities.Split cord deformities were identified to be the most common intraspinal anomaly (32.2%), followed by syringomyelia (21.2%).Sixty-nine patients (58.5%) had rib anomalies, which occurring on the concavity of the scoliosis was most frequent. The patients with mixed deformity and failure of segment were found to have a higher incidence of rib anomaly than those with failure formation (χ(2) = 14.05, P < 0.01). The patients with multiple level malformations were found to have significantly higher incidence of rib anomaly than those with single level malformation (χ(2) = 27.50, P < 0.01).Intraspinal anomalies occurred in 42 of 69 patients (60.9%) with rib anomalies and 15 of 49 patients (30.6%) without rib anomalies in congenital scoliosis. The occurrence of intraspinal malformation has significant difference with or without rib anomalies in congenital scoliosis (χ(2) = 10.5, P < 0.01).ConclusionsThe intraspinal malformation is common in patients with mixed defects and failures of segmentation. The rib anomalies occurring on the concavity of the scoliosis is most frequent. The incidence of intraspinal anomaly is significant higher in the patients with rib anomalies than those without rib anomalies. Both the occurrence and type of rib anomaly, combined with vertebral deformity are helpful in forecasting the occurrence of intraspinal abnormalis.

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