運動醫學與軟組織超音波應用 (by 林杏青醫師)
超音波是醫學界已經使用許久的診斷工具,婦產科使用超音波看腹中的胎兒,內科醫師也用超音診斷肝臟、腎臟、心臟的功能及病變,而隨著復健科軟組織超音波的發展,超音波已經成為新一代復健科醫師不可或缺的工具。
過去只能根據病史、疾病表徵和觸診評估的問題,現在多數可以透過超音波直接看到型態變化及動態功能加以確認或是排除問題。舉凡肌腱、韌帶、骨骼表面是否結構完整、關節是否積水發炎、甚至神經是否腫脹,都可以用超音波觀察。雖然超音波相較於核磁共振或電腦斷層在特定疾病診斷仍有不足之處,但超音波有一大優勢——檢查價格便宜且隨時可做,亦不需考慮放射線的影響。也因為其方便即使的特色,醫師可以在超音波配合下精準抽吸積水、注射藥物至病灶存在之處。甚至可以透過大量藥物的輸注,直接解除神經壓迫的位置以及撐開關節囊。
除了較廣義的復健醫學領域,運動醫學領域也充分獲益於軟組織超音波的應用。運動場邊救護需要判斷關節出血或骨折、肌腱韌帶斷裂,在傳統理學檢查之外,超音波檢查可說是更直接的武器,除了可以輔助診斷更為精確,也可以了解傷害嚴重程度。有了這些資訊對於賽事安全、選手是否能夠回場繼續比賽至關重要。
應用於治療方面,超音波導引注射已經成為現代運動醫學領域極為重要的治療工具,除了傳統物理儀器治療使用光、熱、電、口服止痛藥物治療、徒手運動治療外,超音波導引注射在精準影響下可以達到立即診斷兼注射的效果。除了傳統類固醇在必要時可以精準注射入關節腔避免傷害肌腱組織外,增生治療使用葡萄糖、PRP自體高濃度血小板血漿也可透過超音波顯像注入最適合的位置,達到關鍵療效。尤其在兩次賽事之間極為短暫的恢復期間,超音波導引注射治療扮演至關重要的功效。舉例來說:若運動選手因關節積水/血導致關節活動度降低,超音波導引注射可以即時抽出液體恢復活動度,並視情形輸注適當藥物。
目前國內市面上已經有多款攜帶式超音波可以方便隨身攜帶,這次我帶了兩款超音波,除了過去已經使用習慣的Philips Lumify,這次也認識到國產超象科技的手持式超音波Leltek。以無線超音波來講,Leltek超音波的影像可調性高,能夠客製化調整使用者喜歡的診察參數,且可支援多種測量模式,以場邊使用而言不失為一個性價比高的選擇。以個人對超音波的使用經驗而言,有線超音波探頭較輕且無時間延遲問題,無線超音波使用則不會被線路干擾。


合作撰寫:
好痛痛(粉絲頁)、林杏青復健科醫師(專欄連結)
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