持続的な中枢動脈:流行,変異,および臨床的関連性に関する死体研究

Suryakanta Seth¹, Sarah S Sangma¹, Chetan Sahni¹

¹Anatomy, All India Institute of Medical Sciences, Gorakhpur, Gorakhpur, IND.

Cureus

|February 13, 2026

まとめ

持続的な中枢動脈 (PMA) は,成人の34.8%で発見された胚性血管変種です. この解剖学的変異は中枢神経を貫通し,神経圧縮症候群や外科合併症を引き起こす可能性があります.

科学分野:

アナトミーアナトミー
胚学胚学について
臨床解剖学臨床解剖学とは

背景:

中央動脈は胚性血管であり,成人期まで持続する可能性があります.
持続性中枢動脈 (PMA) は,臨床的および外科的な関連性を持つ既知の解剖学的変種です.

研究の目的:

上肢における持続的な中枢動脈 (PMA) の有病率と解剖学的変異を調査する.
PMA変異の臨床および外科的影響を強調する.

主な方法:

12人の成人の献体体から23本の上肢を対象に,死体に関する研究が行われました.
持続的な中枢動脈の存在と分岐パターンが特定され,文書化されました.

主要な成果:

持続的な中枢動脈 (PMA) は,研究された上肢の34.8%で特定されました.
重要な発見は,PMAが,四肢の17.4%で中枢神経を貫通していたことです.
手首型PMAの非典型的分岐パターンは,四肢の8.7%で観察されました.

結論:

持続的な中枢動脈 (PMA) は,潜在的に重要な臨床的影響を持つ一般的な解剖学的変形です.
PMAの変異,特に中枢神経の浸透を伴う変異は,手足トンネル症候群のような神経圧縮症候群に寄与する可能性があります.
PMAの解剖学的認識は,前腕と手首の正確な診断と安全な外科計画に不可欠です.

キーワード:

解剖学的変異の多様性がある.カダベリック研究.カーパルトンネル症候群 (CTS) とは中央神経は中枢神経である.中央動脈の持続性がある.

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