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Comparison of the Unloading Effect of the Lower Limb Casts
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Ju O Kim, Sang Moon Yoo, Han Ki Lim, Seung Jun Choi
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J Korean Soc Fract 2001;14(4):623-627. Published online October 31, 2001
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DOI: https://doi.org/10.12671/jksf.2001.14.4.623
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 Abstract
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- PURPOSE
We compared and evaluated the unloading effect and the availability of four different types of lower limb casts.
MATERIALS AND METHODS
The subjects were ten healthy men who had no gait disturbances, neuromuscular disorder, and deformities of lower extremities. The mean age was 25.2years(22-29) and the mean weight was 62.6kg(53.9-69.1). The trials consisted of patellar tendon bearing(PTB) casts, short leg casts, long leg extension casts, and long leg 30° flexion casts. In each experiment, ten sets of measurements were taken with all subjects wearing four different types of lower limb casts and walking on a flat surface indoors. The load cell was placed on the sole of the foot and wrapped with casts so that we could measure the pressure of the sole during gait. The percentage of load reduction was calculated by comparing pressure of the soles and the bottom of the casts.
RESULTS
The unloading effects of the PTB, the short leg, the long leg extension, and the long leg 30° flexion casts were 23.8%, 19.5%, 25.5%, 27.9% of the loading. No significant difference of unloading effect was demonstrated between each four different types of lower limb casts(P>0.05).
CONCLUSION
Notwithstanding the clinical success of the lower limb casts in below knee fractures, the unloading effect of the casts was limited and any type of the casts did not show better unloading effects.
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Analysis and Clinical Study on Fracture Dislocation of the Talus
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Ye Yeon Won, Chang Hoon Jeon, Jae In Ahn, Seung Jun Choi, Jung Mo Lee
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J Korean Soc Fract 2000;13(2):382-389. Published online April 30, 2000
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DOI: https://doi.org/10.12671/jksf.2000.13.2.382
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Abstract
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- PURPOSE
: Talar fractures are uncommon and so surgeon's experience in the treatment of the talar fracture is limited. This study was undertaken to evaluate the incidence, associated injuries, complications of talar fracture and results of treatment.
MATERIALS AND METHODS
: Authors experienced 15 cases of the talar fractures treated at Ajou university Hospital from 1995 to 1998 with minimal 1 year follow-up period and obtained following result.
RESULTS
: Of 15 cases, fall down injury was the most common cause of injury(11/15). 4 ipsilateral medial malleolar fractures, 2 lateral malleolar fractures and other associated injury was occured. According to the Hawkins' classification 5 cases in type I , 1 cases in typeII, 2 cases in typeIII were observed. 2 posttraumatic arthritis, 1 skin necrosis, 1 avascular necrosis, were observed as complications but nonunion was not observed.
CONCLUSIONS
: We suggest that early and accurate anatomical reduction and rigid internal fixation of the fracture dislocation of the talus canprevent complications such as acascular necrosis, posttraumatic arthritis.
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