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Change of Kyphotic Angle in Posterior Pedicle Screw Fixation for Thoracic and Lumbar Burst Fractures: Comparison Study by the Screw Fixation Level
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Jeong Gook Seo, Jong Ho Park, Jeong Seok Moon, Woo Chun Lee
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J Korean Fract Soc 2009;22(1):39-44. Published online January 31, 2009
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DOI: https://doi.org/10.12671/jkfs.2009.22.1.39
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 Abstract
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- PURPOSE
To evaluate the relationship between the level of screw fixation and the stability of the segment of endplate fracture after posterior pedicle screw instrumentation for thoracic and lumbar burst fractures.
MATERIALS AND METHODS
The 41 patients of burst fractures who had been operated with pedicle screw instrumentation were retrospectively evaluated. The patients were divided into two groups by the levels of screw fixation. One group was treated with screws fixed by one-level to the direction of fractured endplate (One-level group, 16 cases). The other group was treated with screws fixed by two-level to the direction of endplate fracture (Two-level group, 25 cases). The two groups were compared by the radiographic changes of kyphotic angle between the day of surgery and 6 months after surgery.
RESULTS
At the 6 months, one-level group showed the change of kyphotic angle of 17.5+/-2.4 degrees, which was different from two-level group of 5.2+/-0.8 degrees (p=0.000).
CONCLUSION
In posterior pedicle screws fixation for thoracic and lumbar burst fractures, 2 vertebrae to the direction of the endplate fracture should be included to prevent the postoperative kyphotic change.
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Radiological and Clinical Results After Closed Reduction in Colles'Fracture
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Song Kon Kim, Koung Wook Rha, Jong Ho Park
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J Korean Soc Fract 1999;12(2):471-478. Published online April 30, 1999
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DOI: https://doi.org/10.12671/jksf.1999.12.2.471
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Abstract
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- Colles'fracture is a common injury encountered in emergency room. It is generally agreed that closed reduction of the fracture may not be difficult, but it is difficult to maintain the closed reduction. Twenty eight patients with Colles'fracture were treated with closed reduction and splinting method, followed up more than 1 year from January 1996 to August 1997 at the Korea university Ansan Hospital. The purpose of this study is to evaluate the radiological and functional results after closed reduction with splinting of Colles'fracture. The results of this study were as follows: 1) Of the 28 cases, type I were 3 cases, type II 16 cases, type III 9 cases by the universal classification. 2) Reduction loss was radial angle 2.25, volar angle 327, radial shortening 2.6mm. 3) The overall assessment were excellent in 8 (28.5%), good in 13 cases (46.5%), poor in 7 cases (25.0%) under the functional assessment of Garland and Werley and simple radiographic assessment of Scheck. 4) Complications were median nerve palsy 5 cases, osteoarthritis of wrist in 2 cases and hand stiffness in 2 cases. In conclusion, if there occured loss of reduction after closed reduction with splinting in elderly patients, closed reduction and internal fixation should be considered.
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