The Clinical Significance Of The Ratio Of Superior Articular Process Distance To The Upper Vertebrae Height

Objective:To measure the ratio of L5superior articular process distance to L4vertebrae height of the L5spondylolysis patients and the ratio of L4superior articular process distance to L3vertebrae height of the L4spondylolysis patients. In addition, to study the level of significance of spondylolysis and superior articular process distance widened through comparison of the ratio index of the observation group and the control group.Method:To collect42cases of L5spondylolysis and21cases of L4spondylolysis in Qilu Hospital, Shandong University, from January2009to December2011as the observation group. To randomly selected30cases with clear X-ray films and without significant degeneration, lateral bending, stenosis, spur hyperplasia, nor vertebral compression from the those of lumbar muscle strain without serious lumbar disease that diagnosed by experienced outpatient physicians as control group. To measure and compare the ratio of L5superior articular process distance to L4vertebrae height of the L5spondylolysis patients and control group, and the ratio of L4superior articular process distance to L3vertebrae height of the L4spondylolysis patients and control group. To analyse the diffrences of the ratio of superior articular process distance to upper vertebrae height in the observation group and that of the control group with statistics.Results:The difference of the ratio of L5superior Articular process Distance to L4vertebrae height in the L5sponylolyis patients group is significant (P<0.05). The difference of the ratio of L4superior articular process distance to L3vertebrae height in the L4sponylolyis patients group is significant (P<0.05).Conclusion:The patient with high ratio of superior articular process distance to upper vertebrae height has the high possibility of lumbar spondylolysis.