Journal of Musculoskeletal Trauma

Original Articles

Comparison of Uniportal and Biportal Vertebroplasty in Bone Cement Distribution and Leakage: Jae Hyup Lee, Kang Sup Yoon, Seung Baik Kang, Hyunchul Jo, Sang Ki Lee, Bong Soon Chang, Choon Ki Lee, Ji Ho Lee; J Korean Fract Soc 2006;19(4):471-476. Published online October 31, 2006; DOI: https://doi.org/10.12671/jkfs.2006.19.4.471

Abstract: PURPOSE
To evaluate the differences of radiological outcomes of uniportal and biportal vertebroplasty in the point of bone cement distribution and leakage.
MATERIALS AND METHODS
A retrospective study reviewing the period between May 2002 and January 2006 investigated 100 vertebrae which underwent vertebroplasty and followed for more than three months by uniportal approach (55 vertebrae, group 1) and biportal approach (45 vertebrae, group 2). The operative time, the amount of bone cement injected, anterior vertebral height restoration, kyphotic angle, bone cement distribution, and bone cement leakage were evaluated.
RESULTS
The amount of injected bone cement of group 1 (3.9 cc) was statistically smaller than that of group 2 (5.1 cc) (p=0.016). There were no significant differences in the operative time, anterior vertebral height restoration, kyphotic angle in both groups. The rate of bone cement distribution over 8 zones was significantly higher in group 2 than in group 1 (p=0.014). However, the rate of bone cement distribution over 7 zones and the rate of bone cement distributed on whole anterior vertebral body were not significantly different in both groups. The cement leakage was not also significantly different in both groups.
CONCLUSION
Although the amount of injected bone cement was smaller in uniportal vertebroplasty, the radiological results and cement leakage were similar to biportal vertebroplasty. These findings suggest that uniportal vertebroplasty can be the operative options in osteoporotic vertebral fracture.

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Treatment of Comminuted Fractures of Proximal Tibia using MIPO technique: Beom Koo Lee, Hyunchul Jo, Gi Serk Eom, Jin Won Kim; J Korean Soc Fract 2002;15(2):243-250. Published online April 30, 2002; DOI: https://doi.org/10.12671/jksf.2002.15.2.243

PURPOSE
To evaluate the advantages of fixation of metaphysis by minimally invasive plate osteosynthesis(MIPO) technique for comminuted fractures of the proximal tibia. MATERIALS & METHODS: from January 1997 to February 2000, 18 cases of comminuted fracture of the proximal tibia were treated using MIPO technique. Operation time, union time, radiologic alignment, range of motion of the knee joint, functional and anatomical results according to Rassmusen's grading criteria, complications were evaluated. Minimal follow-up time was 12 months.
RESULTS
Operation time was average 51 minutes (30-80 minutes). Time to bone healing was average 10.6 weeks (9-14 weeks) There was 1 case of valgus angular deformity greater than 5 degrees. 6 cases in acceptable bony alignment less than valgus 5 degrees and 11 cases were classified into normal bony alignment. Range of motion of the knee joint was 0-140 degrees in 13 cases, 0-120 degrees in 3 cases, 0-90 degrees in 1 case, 10-90 degrees in 1 case. Rasmussen's grading criteria for functional outcome revealed there were 14 cases(77.8%) excellent results, 4 cases(22.2%) good result. and grading criteria for anatomical outcome revealed there were 7 cases(38.9%) excellent results, 11 cases(61.1%) good result.
CONCLUSION
MIPO technique for comminuted fracture of the proximal tibia seems to be a good techinque to obtain more rapid bony union with less complication.

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Treatment of Proximal Tibia Fractures Using LCP by MIPO Technique
Sang-Ho Ha, Dong-Hui Kim, Jun-Young Lee
Journal of the Korean Fracture Society.2010; 23(1): 34. CrossRef

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