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《Journal of Clinical Orthopedics and Research》 2018-03
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The value of X-ray in predicting the recurrence of congenital clubfoot after treatment with Ponseti 's method

Li Jingchun;Xun Fuxing;Liu Yuanzhong;Li Huixian;Liang Huiying;Xu Hongwen;Department of Orthopedic Surgery,Guangzhou Women and Children's Medical Center;  
Objective To investigate the value of X-ray in predicting the recurrence of congenital clubfoot( CCF) after treatment with Ponseti 's method. Methods From December 2007 to December 2012,57 cases( 81 feet) of CCF treated with Ponseti's method were studied retrospectively. All cases were indiveded into recovery group and recurrence group according to the outcome. X-ray examination were taken on the day before treatment and at the 3,6,9,12,18,24 and 36 months after treatment. All the X-ray examination should be taken under dorsiflexion stress of both feet. Calcaneus-talus angle on positive place( CTAOPP),first talus-metatarsal angle on positive place( FTMAOPP),calcaneus-talus angle on side place( CTAOSP),first talus-metatarsal angle on side place( FTMAOSP) and calcaneal tibial angle( CTA) were measured on the plain X-ray.All the angle indice were analyzed statistically between the 2 groups. Results The differences of CTAOSP,FTMAOSP and CTA between the 2 groups were statistically significant( all P 0. 05). The angles in 2 genders were not different statistically( all P 0. 05). The gender and the CTAOSP had an interaction effect on the relapse of clubfoot: the girls with smaller CTAOSP were more prone to relapse. The CTAOSP at 12 months after treatment of Ponseti's method had the maximum value of AUC,so it had the maximum diagnostic value. Conclusion X-ray examination is valuable in predicting the recurrence of CCF after treatment of Ponseti's method,The CTAOSP at 12 months after treatment has the maximum diagnostic value.
【CateGory Index】: R726.8
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