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Modified Fracture Brach for Tibial Fracture with Varus Angulation: A Case Report

改良型脛骨骨架支架︰病例報告

摘要


Sarmiento 於 1963年起採用骨折支架(fracture brace)治療脛骨骨折,其使用的條件包括(1)閉合性骨折或只有小範圍軟組織傷害,(2)在狀平面和額面平面的彎曲度(augulation)不能超過5°,符合此等條件者,在其報告中均有良好癒合。根據以往文獻報告,在脛骨骨折中腓骨保持完整者,往往很容易產生脛骨內翻性彎曲(varus deformity),或延遲癒合(delayed uvion),有時其至需要將腓骨切斷重作調整。本個案是一個30歲女性,因滑雪受傷造成閉合性脛骨骨折但腓骨屬完好,另合併內踝骨折。在急性期予石膏副木固定,五天後改用傳統骨折支架固定,但在十天後發生嚴重內翻現象。在復位時,於脛骨與腓骨之間放置一小圓棒將脛骨固定,以幫助復位,並將此小棒固定於此位置維持骨骼之排列並阬止內翻再產生;再以低溫成型塑料覆蓋在木棒及肢體上成型。在使用期間病患無不適感,且可作膝部關節運動及持腋下柺杖步行,在第六週時,即可作部份載重步行。第二十週時,X光顯示骨折癒合良好,內翻角度小於5°,且無短腿現象。在一年時經由X光顯示,骨骼幾乎完全癒合,其結果令人滿意。由此一個案經驗可見,此種改良型骨折支架可有效修正及預防脛骨內翻,使骨折支架原有之應用範圍擴大,包括用以矯正內翻變形,甚至提早至骨折急性期作有效之復位及固定。

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並列摘要


Sarmiento introduced the functional fracture brace for the management of tibial shaft fracture in 1963. However, tibial angulation with varus deformity may still occur, especially in the presence of an intact fibula. We report here a case of tibial shaft fracture with varus angulation treated with a modified below knee fracture brace. Our modification included a wooden rod embedded in the under-side of the anterior shield with nod positioned laterally between tibia and fibula. Trimming of rod was done for fitting comfortably against the varus angulation. Good bridging callus formation with sound alignment was noted at the twentieth week. The patient ambulated with full weight bearing and painlessly. The modification executed was simple. It provides an excellent alternative treatment method for tibial fracture with varus angulation.

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