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Percutaneous Kyphoplasty in Osteoporotic Thoracic Vertebral Compression Fractures:Unipedicular Basilar Location Approach and Clinical Evaluation

Zeng Yong;He Rui;Shi Huayang;Li Qing;Wang Taiping;Department of Orthopedics,Chengdu No.2 People's Hospital;  
Objective This survey was made to evaluate the feasibility and clinical effectiveness of thoracic percutaneous kyphoplasty via unipedicular?basilar?location approach.Methods The CT image data of 107patients were analysed.Symptomatic levels ranged from T7to T12.Side length and puncture angle were gauged.The spread patterns of cement in the vertebrae were recorded during procedures.The height of compromised bodies,Cobb's angle and visual analogue scale(VAS)were measured respectively during follow-up period.Results The interval of side length(L)was from(38.2±7.3)mm to(44.3±8.5)mm,and that of puncture angle(α)was from(32.5±3.2)°to(35.3±7.5)°.A total of 125vertebral bodies were punctured via unipedicular basilar location approach.Cement spread was comparatively even in both sides of the vertebral body in 119/125levels(95.2%),and those of 6levels showed in the ipsilateral side(4.8%).During follow-up period,the height of vertebral body,Cobb's angle and VAS were improved significantly compared with those of preoperation respectively(P0.05).Conclusion Based on CT image data,PKP could be well fulfilled via unipedicular basilar location approach and the clinical results were satisfactory.
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