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KMID : 0613320050110020134
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Journal of the Korean Bone and Joint Tumor Soceity
2005 Volume.11 No. 2 p.134 ~ p.140
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Temporary Use of External Fixators for Soft Tissue Lengthening in the Treatment of Complications after Limb Salvage Surgery
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Yoon Pil -Whan
Kang hyun-Guy
Kim Kap-Jung
Oh Joo-Hwan
Lee Sang-Hoon
Lee Sang-Ki
Kim Han-Soo
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Abstract
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Purpose: We evaluated the effectiveness of temporary using the extendible external fixator (EF) for lengthening of soft tissue that contracture caused by tumor prosthesis removal in the treatment of complications after limb salvage surgery like deep infection and loosening.
Materials and Methods: Five patients six cases were included who underwent extendible EF (Dyna-extor(r)). EF was applied after insertion of half pin to the proximal and distal bone of defect area. EF lengthening started at third day of post-operation, above 2-3 mm per day in the range of no neurological sign.
Results: The treatment area was three in femur and two in tibia. Mean age when the time of EF apply was 22.2 years old (range 15-29), but its primary limb salvage operation had done in 13.4 years old (range 9-19), therefore mean times of interval between initial tumor prosthesis reconstruction and temporary EF apply was 8.8 years (range 3-14). One patient had EF for 150 days with 7.2 cm lengthening. Others 5 cases of 4 patients had EF for mean 37 days (range 25-50) and mean soft tissue lengthening was 5.8 cm. Three patients underwent re-insertion of tumor prosthesis and two patients underwent knee fusion as final operation and showed no evidence of infection through mean 22 months follow up period
Conclusion: Temporary using of extendible EF is an effective method for correction of leg shortening which occurred by soft tissue contracture in the complications of limb salvage operation or their treatment process, and it could be provide easily application of tumor prosthesis and knee fusion as final operation.
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KEYWORD
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Tumor prosthesis complication, Leg shortening, Soft tissue lengthening, External fixator
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