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Objective: To study and compare the clinical effects of posterior lumbar interbody fusion(PLIF) and transforaminal lumbar interbody fusion(TLIF) on the treatment of degenerative lumbar spondylolisthesis(DLS) combined with lumbar spinal stenosis(LSS) for elderly patients. Methods: 40 elderly patients with DLS and LSS who were admitted in our hospital from December 2011 to December 2014 were recruited and according to the different operation methods, the patients were divided into the PLIF group and the TLIF group. Then the operation time, intraoperative blood loss, postoperative drainage volume, postoperative time of staying in bed, visual analogue pain score(VAS), Oswestry dysfunction index(ODI) and complications of the two groups were observed and compared.Results: The intraoperative blood loss, postoperative drainage volume and time of staying in bed of TLIF group were better than those of the PLIF group, and the differences were statistically significant(P<0.05); there was no statistically significant difference about the operation time between the two groups(P>0.05). The VAS and ODI scores half a year after the operation in the two groups were significantly better than before, and the differences were statistically significant(P<0.05); There was no statistically significant difference about the VAS and ODI scores between the two groups(P>0.05). The occurrence rate of complications of TLIF group was obviously lower than that of the PLIF group, and the differences were statistically significant(P<0.05). Conclusion: TLIF demonstrates has better effect on the treatment of DLS and LSS for elderly patients with less postoperative complications. [ABSTRACT FROM AUTHOR]

Objective: To compare the clinical curative effect of total hip arthroplasty (THA) and bipolar hemiarthroplasty (BHA) on the treatment of senile femoral neck fracture for elderly patients. Methods: 90 elderly patients with femoral neck fracture who were treated in our hospital from July 2013 to March 2015 were selected, and according to the different treatment methods, the patients were divided into the total hip arthroplasty group (THA) and the bipolar hemiarthroplasty group (BHA), with 45 cases in each group. Then the operation time, the intraoperative blood loss, the hospitalization, the incidence of postoperative complications and the clinical effects in the two groups were observed and compared. Results: There was no statistically significant difference about the operation time, the intraoperative blood loss and the hospitalization of the patients in the two groups (P>0.05); The incidence of postoperative complications in the THA group was lower than that of the BHA group (P<0.05); There was no statistically significant difference about the clinical effects in the two groups after the treatment for one year (P>0.05); The clinical effects in the THA group after the treatment for two and three years were significantly higher than those of BHA group, and the differences were statistically significant (P<0.05). Conclusion: THA and BHA have a good clinical efficacy on the treatment of senile femoral neck fracture for elderly patients, and THA is better for a long-termcurative effect and lower postoperative complications. [ABSTRACT FROM AUTHOR]

Objective: To observe the clinical effects of single balloon bilateral alternating on expansion after kyphoplasty on the treatment of osteoporotic vertebral compression fractures for elderly patients. Methods: 60 elderly patients with senile osteoporosis osteoporotic vertebral compression fractures who were treated in our hospital from July 2014 to May 2015 were selected and according to the degrees of vertebral collapse, the patients were divided into the severe fracture group and the slight fracture group, with 30 cases in each group. The patients in the two groups were treated with the double balloon dilatation of the single balloon, and the effect of the treatment and the changes of the vertebral body were observed and compared. Results: Compared with the slight fracture group, the operation time in the severe fracture group was longer, the bone cement was less and the rates of vertebral height restoration and the middle part of the vertebral body height recovery and the Cobb angle correction were higher (P<0.05). After the operation, the VAS score of the two groups were better than before (P<0.05), while there was no statistically significant difference between the two groups (P>0.05). Compared with before, the anterior height of vertebral body, vertebral middle height and Cobb angle of patients in the two groups improved after the operation (P<0.05), and the anterior height of vertebral body and the middle part of the vertebral body height in the slight fracture group were better than those of the severe fracture group (P<0.05). There was no statistically significant difference about the Cobb angle between the two groups after the operation (P>0.05). Conclusion: The bilateral alternating expansion of the single spherical sac has better clinical effect on the treatment of senile osteoporotic vertebral compression fractures for elderly patients, which can obviously correct the vertebral collapse and Cobb angle. [ABSTRACT FROM AUTHOR]