足関節全置換術における腓骨骨切り術の治癒
Kevin A Schafer1, Jonathan Day2, Byoung-Kwon Min3
1NYU Langone Health, Department of Orthopedic Surgery, Division of Foot and Ankle Surgery, New York, NY, USA.
Foot & ankle international
|December 24, 2025
まとめ
経腓骨全足関節形成術（TAA）の腓骨偽関節の全体的な発生率は1%と低い。ほとんどの患者は、年齢、糖尿病、喫煙状況に関係なく、3か月までに腓骨骨切り術の治癒を達成する。
科学分野:
- 整形外科学
- 医用生体工学
- 放射線学
背景:
- 経腓骨全足関節形成術（TAA）には腓骨骨切り術が含まれ、偽関節のリスクがある。
- TAAの結果にとって、腓骨骨切り術の治癒率を理解することは極めて重要である。
研究 の 目的:
- 経腓骨TKA後のX線学的腓骨偽関節の発生率を決定すること。
- TAA患者における腓骨骨切り術の治癒に影響を与える因子を分析すること。
主な方法:
- 10年間にわたる406例の経腓骨TKA症例の後ろ向きレビュー。
- 術後3、6、12、24か月のX線学的評価。
- 治癒に対する患者の年齢、糖尿病、喫煙状況の影響の評価。
主要な成果:
- 経腓骨TKAの腓骨偽関節の全体発生率は1.0%（406例中4例）であった。
- 3か月で不完全治癒が16.3%に認められたが、12か月までには1.0%に減少した。
- 治癒と患者の年齢、糖尿病、喫煙状況との間に関連性は認められなかった。
結論:
- TAAの経腓骨アプローチは、腓骨偽関節の発生率が低いことを示している。
- 腓骨骨切り術の治癒は、通常TAA術後3か月までに達成される。
- 偽関節の発生率が低く、一般的な患者因子からの影響がないことから、外科医は安心できる。
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