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"逆行血供" 2 results
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Objective To investigate the basic mechanism of venous flow in reverseflow island flap. Methods Recent relevant literature on the mechanism of venous reverse flow in reverseflow island flap wereextensively reviewed. Results The mechanism of venous reverse flow was a multifactorial phenomenon. “Communicating and collateral by pass route” and “incompetent valve route” were two theories. Conclusion The two routes of venous reverse flow in reverse-flow island flap coexistand complement each other.
Release date:2016-09-01 09:30
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目的 總結吻合血管逆行血供的游離穿支皮瓣修復四肢復雜創面的療效。 方法 2019年11月—2020年12月,采用吻合血管逆行血供的游離穿支皮瓣修復16例四肢復雜創面。男12例,女4例;年齡17~75歲,中位年齡49歲。損傷部位:小腿、足踝14例,手臂2例。軟組織缺損范圍為7.0 cm×3.5 cm~27.5 cm×8.5 cm。臨床診斷為開放性骨折伴不同程度骨、肌腱外露。受傷至手術時間10~35 d,平均17 d。采用股前外側皮瓣7例,旋髂淺動脈淺支皮瓣9例;皮瓣切取范圍為8 cm×4 cm~28 cm×9 cm。供區直接皮內縫合。 結果 15例皮瓣全部成活,未發生動靜脈危象;1例旋髂淺動脈淺支皮瓣發生靜脈危象,經探查處理后成活。術后所有患者均獲隨訪,隨訪時間6~20個月,平均11.5個月。皮瓣顏色與周圍皮膚接近,不臃腫,外形良好。末次隨訪時皮瓣兩點辨別覺為8~10 mm,淺痛覺和觸覺恢復良好。供區殘留線性瘢痕,功能無影響。 結論 采用吻合血管逆行血供的游離穿支皮瓣修復四肢復雜創面安全可靠、創傷小,方便顯微操作,可提高血管吻合質量。
Release date:2022-02-25 03:10
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