Objective To discuss the application value of DHS and cannulated screws in treatment of the intertrochanteric fractures . Methods 23 cases of intertrochanteric fractures were treated with DHS and cannulated screws and 20 cases were followed up for an average period of 12 months. Results All the fractures healed . The recovery of function was excellent in 90%cases. Conclusions Using DHS and cannulated screws to treat the intertrochantenic fractures easily leads to anatomical reduction and rigid fixation, and gives large definitive rotational stability.

Objective To discuss the feasibility of application of anterior approach video-assisted thoracoscopic surgery (VATS) in thoracic and upper lumbar spine. Methods In the study there were: 5 patients with tuberculosis of thoracic or lumbar spine (T 6 ～ L 2) undergoing thoracoscopic cleaning of focus,with or without bone grafting; 3 patients with vertebral burst fracture ( T 10 ～ T 12 ) and 1 patient with old burst fracture (L 1) accompanied with cauda equina syndrome undergoing thoracoscopic decompression,bone grafting and plate screw internal fixation; 1 patient with intervertebral disc protrusion (T 3 ～ 4 ) accompanied with spinal compression receiving thoracoscopic decompression and spondylodesis. Results The incisions in all the patients healed by first intention.CT or MRI examinations revealed that: the foci had been cleaned thoroughly and the spinal cords had been decompressed completely; the reduction was satisfactory,except for 1 patient with slight angulation deformity; the internal fixation was stable,with proper position. Conclusions VATS focus cleaning is suitable for patients with diseases in thoracic or upper lumbar spine,regardless of whether there is compression of spinal cord or cauda equine or not,and,if necessary,spinal decompression,anterior bone grafting,or internal fixation may be conducted simultaneously.

Objective To assess the current situation and quality of clinical randomized controlled trials(RCTs) designed for accessing the treatment of depressive neurosis with acupuncture and moxibustion. Methods Relative clinical research literatures published from year 1980 to 2008 were collected, and composed into "evaluation to all literature of acupuncture and moxibustion treating depressive neurosis message table", according to the clinical epidemic disease and EBM. The quality evaluation on these trails were performed. Results There were altogether 15 articles included in this study. Among them, 5 articles used the correct randomized controlled trials (33.3%), 10 articles used the diagnostic criteria (66.6%), 10 articles used excluded criteria (66.6%), 12 articles used the therapeutic evaluation criteria (80%), 4 articles used blind treals (26.7%), 5 articles reported quit cases (33.3%), and 9 articles reported the adopted statistical methods (60%)4 articles Conclusion The quality of RCT of acupuncture and moxibustion for depressive neurosis needs to be improved.

To analyze the genotype of Echinococcus granulosus found in Liaoning Province,hydatid cyst was taken from the patient's liver,DNA of cyst was isolated and mitochondrial cox1 gene was sequenced substantially.Sequence results was analyzed by Blast and compared with similar strains in GenBank.Results showed that molecular analysis confirmed the echinococcosis by identical sequence of our strain with E.granulosus (AF297617) G1 genotype,with 0.1％ difference.And the sequence of our strain was consistent with 25 other strains in different countries.In conclusion,genotyping of mitochondrial gene coxl is a very useful tool for diagnosis of echinococcosis.We first reported a strain of E.granulosus in Liaoning Province,which provide novel molecular epidemiological data of this zoonosis.

Objective To investigate the clinical effects of surgical treatment of lower lumbar fracture with mini-incision via retroperitoneal anterior approach. Methods The data of 21 cases with serious lower lumbar burst fracture were analyzed retrospectively. There were 15 males and 6 females with an average age of 35.9 years (ranged, 19-65 years). The lesion was located in L3 in 10 cases, L4 in 8 and L5 in 3cases. According to Magerl classification, there was type A (burst in 12 cases, type B (distraction) in 2 and type C (retortion) in 7 cases. All the 21 cases were treated with anterior decompression, bone graft fusion and internal fixation with mini-incision via retroperitoneal anterior approach. The changes of radiograph and neurologic status were recorded respectively. Results All the cases had been followed up for an average of 41.9 months (12-86 months). The radiograph showed obvious improvement on the injured body height (from 42.62％ preoperatively to 94.33％ postoperatively, P＜0.01) and the canal encroachment index (from 2.67 preoperatively to 0.14 postoperatively, P＜0.01). Significant improvement in neurological function were achieved in all patients with the improvement of one grade except for 1 case with L3, T11 fracture and complete paraplegia. No failure of implants was found during the follow-up period. Conclusion Anterior decompression and internal fixation with mini-incision via retroperitoneal anterior approach are successful in treating serious lower lumbar burst fractures.