[Comparison of vesselplasty and percutanous kyphoplasty in the treatment of Kümmell disease].

Objective: To compare the efficacy between vesselplasty and percutanous kyphoplasty (PKP) in the treatment of Kümmell disease.

Methods: The clinical data of patients with Kümmell disease from July 2018 to December 2019 were retrospectively analyzed. According to the different therapeutic methods, the patients were divided into vesselplasty group and PKP group.

Applications of the scoliosis width-to-length ratio for guiding selection of the surgical approaches of degenerative lumbar scoliosis.

Background: There does not exist a comprehensive parameter for guiding selection of short or long segment fusion for degenerative lumbar scoliosis (DLS). The aim of our study was to investigate the applications of the width-to-length ratio in guiding selection of the surgical approaches for DLS.

Methods: A retrospective analysis was performed of 142 patients with DLS who underwent operative treatments from July 2000 to January 2012.

[Clinical study on Thread-tooth Arc-track Screw Plate System through expandable channels in the treatment of lumbar instability diseases].

Objective: To evaluate the validity and reliability of Thread-tooth Arc-track Screw Plate System (TASPS) in the fixation fusion through expandable channels.

Methods: From August 2007 to August 2010, 108 patients with lumbar instability were treated with surgery, including 61 males and 47 females, ranging in age from 26 to 57 years, with an average of 41 years. All the patients were divided into two groups : minimally invasive fusion group and traditional operation group (54 patients in each group).

[Clinical application of atlantoaxial pedicle screw internal fixation for treatment of atlantoaxial dislocation].

Objective: To investigate the clinical effect of atlantoaxial pedicle screw internal fixation for treatment of atlantoaxial dislocation.

Methods: Sixteen patients with atlantoaxial dislocation were treated from Dec. 2005 to June 2007, included 10 males and 6 females, aged from 38 to 45 years old (means 40.

Core decompression and implantation of calcium phosphate cement/Danshen drug delivery system for treating ischemic necrosis of femoral head at Stages I, II and III of antigen reactive cell opsonization.

Objective: To introduce a new method using calcium phosphate cement/Danshen drug delivery system for treating ischemic necrosis of the femoral head and evaluate its curative effect.

Methods: From May 2000 to June 2005, 48 adult patients (54 hips) with ischemic necrosis of the femoral head at Stages I, II and III of antigen reactive cell opsonization (ARCO) were treated with implantation of calcium phosphate cement/Danshen drug delivery system in the involved femoral head. The operation consisted of removal of the necrotic bone under weight-loading cartilage and the implantation of phosphate cement/Danshen drug delivery system, and all manipulations were made percutaneously through a bone tunnel in the trochanter.

[Sequential drugs treatment for central pain following spinal cord injury].

Objective: To investigate methods and therapeutic effects of sequential drugs treatment for central pain following spinal cord injury.

Methods: A total of 28 patients suffered from central pain following spinal cord injury were treated with sequential drugs from 1994 to 2008, including 23 males and 5 females, ranging in age from 25 to 59 years (mean 42 years). According to the patients' response to drugs, the therapy grade was adjusted step by step until the pain was relieved.

[Comparison between mini-traumatic bone-grafting and non-bone-grafting in percutaneous K-wire fixation to treat the calcaneal fractures].

Objective: To compare the effect between mini-traumatic bone-grafting and non-bone-grafting in percutaneous K-wire fixation for treating the calcaneal fractures.

Methods: From 2002 to 2006, 112 patients with the type II (Paley type) fractures of calcaneus were studied. There were 56 cases in bone-grafting group involving 36 males and 20 famales,aged from 21 to 65, averaged (42.

[Treatment of lumbar spondylolisthesis by posterior restoration and three-column fixation].

Objective: To investigate the late results of using posterior restoration and three-column fixation to treat lumbar spondylolisthesis.

Methods: One hundred and eighty-four patients with lumbar spondylolisthesis were collected from March 1999 to May 2007, they were treated by posterior restoration and fixation with single nail-grooved tail steel plate and fixed with cage (WDFC). Among these cases, 87 cases were fixed with one WDFC, 97 cases were used two WDFCs.

[Biomechanical test of the general spinal pedicle screw-rod orthopaedics fixation system in the treatment of diseases related to spinal instability].

Objective: To evaluate the biomechanical performance of the spinal universal fixation system(GSPS) in treating the diseases related to spinal instability.

Methods: Four instable models and 4 fracture models were made of fresh pig's thoracolumbar specimens (T10-L3). Self-designed GSPS were used in the simulated operation.

[An invitro biomechanical study of treatment for lumbar spondylolithesis using nail-grooved tail steel plate and intervertebral implant (Wendeng Fusion Cage, WDFC)].

Objective: To evaluate the biomechanics of treatment for lumbar spondlolisthesis using nail-grooved tail steel plate and WDFC (Wendeng Fusion Cage) implant.

Methods: There were nine permanent waist-sacrum wet bone (L3-S3) in 1 to 2 clay-cold hours including 6 men and 3 women. They were seldom separated into 3 groups, which were fixed by nail-grooved fail plus WDFC.

[The randomized controlled trial of the treatment for clavicular fracture by rotatory manual reduction with forceps holder and retrograde percutaneous pinning transfixation].

Objective: To study the curative effect and safety of rotatory manual reduction with forceps holder and retrograde percutaneous pinning transfixation in treating clavicular fracture.

Methods: All 201 cases of clavicular fractures were randomly divided into treatment group (101 cases) and control group (100 cases). The treatment group was treated by rotatory manual reduction with forceps holder and retrograde percutaneous pinning transfixation.