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《The Journal of Traditional Chinese Orthopedics and Traumatology》 2018-08
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A X-ray study of lumbar vertebral spinous process deviation in healthy adults

HAN Tongkun;WU Ke;LI Chanli;Songgang people's hospital of Bao'an district in Shenzhen city;  
Objective:To explore the relationship between lumbar vertebral spinous process deviation and vertebral rotation.Methods:The anteroposterior X-ray films of lumbar vertebrae of 100 healthy adults were collected.The adults consisted of 58 males and 42 females and ranged in age from 22 to 51 years(Median=32 yrs).All patient’s vertebral rotation belonged to neutral grade according to Nash-Moe evaluation standard.The spinous process deviation was analyzed on anteroposterior X-ray films of lumbar vertebrae.Results:Undeviated spinous processes(444 vertebraes)and deviated spinous processes(56 vertebraes)were found in 100 healthy adults(500 vertebraes),and 25vertebraes deviated on the left side and 31 on the right side among the 56 vertebraes with deviated spinous processes.The deviations of spinous processes were found in 1(on the right),12(9 on the left and 3 on the right),10(6 on the left and 4 on the right),17(5 on the left and 12 on the right)and 16(5 on the left and 11 on the right)vertebraes at L_1,L_2,L_3,L_4and L_5segment repectively.There was statistical difference in spinous process deviation rate between different vertebral segments(χ~2=16.639,P=0.003).The spinous process deviation rate of L_1segment was lower than that of the other 4 vertebral segments(χ~2=9.955,P=0.002;χ~2=7.792,P=0.005;χ~2=15.629,P=0.000;χ~2=14.465,P=0.000).Further pairwise comparison showed that there was no statistical difference in spinous process deviation rate between the other 4 vertebral segments.There was statistical difference in the direction of deviated spinous process between different vertebral segments(P=0.049).Further pairwise comparison showed that there was no statistical difference in the direction of deviated spinous process between different vertebral segments.Conclusion:There is a certain proportion of lumbar spinous process deviation in healthy adults,so the spinous process deviation cann’t be used as the exclusive diagnostic criteria of lumbar rotation in clinic.
【CateGory Index】: R681.5;R816.8
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