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IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular tachycardia.
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先天性マレット指：症例報告

Ricardo Kaempf de Oliveira1, Paula Fischer2, Sergi Barrera-Ochoa3

  • 1Hand Surgeon at the Santa Casa de Misericórdia Hospital in Porto Alegre, Brazil.

Journal of hand surgery global online
|December 25, 2025
PubMed
まとめ

先天性末梢伸筋腱低形成が小児にマレット指変形を引き起こした。腱修復と骨膜移植を伴う外科的矯正は、機能と外観を成功裏に回復させた。

キーワード:
短指症先天性低形成伸筋腱マレット指腱低形成

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科学分野:

  • 手外科
  • 小児整形外科
  • 先天性手の異常

背景:

  • 末梢伸筋腱の先天性低形成はまれな状態である。
  • 指の機能に影響を与えるマレット指様変形につながる可能性がある。
  • 保存的治療はこの状態にはしばしば不十分である。

研究 の 目的:

  • 小児患者における先天性伸筋腱低形成のまれな症例を記述すること。
  • この変形を矯正するための新しい外科的技術を提示すること。
  • 外科的介入の有効性と結果を評価すること。

主な方法:

  • 外科的矯正には低形成腱部分の切除が含まれた。
  • 健康な腱部分の直接縫合が行われた。
  • 強化のために中節骨からの骨膜移植片が使用された。

主要な成果:

  • 遠位指節間関節屈曲変形は外科的矯正により成功裏に矯正された。
  • 患者は術後12ヶ月で変形や機能制限の再発を経験しなかった。
  • 優れた機能的および美容的結果が報告された。

結論:

  • 記述された外科的技術は、先天性伸筋腱低形成の矯正に効果的である。
  • このアプローチは指の機能を回復させ、満足のいく美容的結果を提供する。
  • 先天性マレット指変形には早期の外科的介入が有益である可能性がある。