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下肢切断直後の早期義足装着：エビデンスと推奨

下肢切断後、できるだけ早く仮義足で立ち歩くべきでしょうか。エビデンス、国際的な推奨、注意点をまとめました。

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下肢切断直後の早期義足装着：エビデンスと推奨

下肢切断後は、断端が「成熟」するまで待つよう言われることがよくあります。しかし、仮義足で早期に立ち歩くことの利点を示すエビデンスが増えています。

以下はエビデンスと国際的な推奨の要約です。表と出典を備えた全文はベトナム語と英語でご覧いただけます。

ポイント

  • 義足が約2.5週〜2か月早く届きます（オランダ：50日対110日）。
  • 膝の拘縮が少なく、米国の研究では断端の再手術も少ない結果でした。
  • 早期の義足は低い死亡率と関連しました（米国、スイス）。因果ではなく関連です。
  • 義足使用者はボディイメージや気分が良好です。
  • 米国では最初の3か月以内の義足受け取りが、初年度総医療費の約25%減少、救急受診のほぼ半減と関連しました。
How to read: both timelines start on the day of surgery (day 0). Top (green, EARLY FITTING): removable rigid dressing → early walking with a training aid → temporary prosthesis → definitive prosthesis. Bottom (orange, LATE FITTING): soft elastic bandage, waiting for the stump to settle, no weight-bearing training → late prosthesis, with muscle weakness and joint contracture. Key figure: about 50 days versus 110 days to the first prosthesis (van Velzen et al., Prosthet Orthot Int 2005, 149 transtibial amputees). The figure illustrates the principle only; it must not be used to decide fitting time on your own.
How to read: both timelines start on the day of surgery (day 0). Top (green, EARLY FITTING): removable rigid dressing → early walking with a training aid → temporary prosthesis → definitive prosthesis. Bottom (orange, LATE FITTING): soft elastic bandage, waiting for the stump to settle, no weight-bearing training → late prosthesis, with muscle weakness and joint contracture. Key figure: about 50 days versus 110 days to the first prosthesis (van Velzen et al., Prosthet Orthot Int 2005, 149 transtibial amputees). The figure illustrates the principle only; it must not be used to decide fitting time on your own.

科学的根拠

  • 2019年Cochraneレビュー（Kwahら）：研究が小規模でバイアスが多く、硬性ドレッシングの利点への確信は低い。
  • オランダ149人（van Velzen、2005）：最初の義足まで50日、弾性包帯は110日。
  • IMPACT研究（米国）：最初の0〜3か月以内の義足受け取りで12か月の総費用が25%減少。
  • 米国VA/DoD、英国BSRM・BACPAR、2020年オランダのガイドラインは、多職種チームによる早期開始を支持しています。

実践的なアドバイス

  • 術直後に多職種チームで評価する。
  • 下腿切断：初週は着脱式の硬性ドレッシング、早期歩行補助具または仮義足で歩行練習。
  • 重度の下肢虚血、コントロールできない感染、重い心肺疾患では慎重に。
  • 調整できるソケット：断端が縮んだら交換し、完全に安定するまで待たない。

Lê Hoàn YouTubeチャンネルの動画

Chân giả cấp sớm giúp phục hồi chức năng sớm.
Chân giả cấp sớm giúp phục hồi chức năng sớm.
Quy trình tập luyện và lắp chân giả cho người bị cắt cụt trên gối cả hai bên chân
Quy trình tập luyện và lắp chân giả cho người bị cắt cụt trên gối cả hai bên chân
Transfemoral amputee with a prosthesis - Đi chân giả lần đầu với khớp gối thủy lực kiểm soát điện tử
Transfemoral amputee with a prosthesis - Đi chân giả lần đầu với khớp gối thủy lực kiểm soát điện tử

YouTube · Chân Tay Giả – Lê Hoàn

ご本人やご家族が下肢切断を控えている場合は、早めにご相談ください：+84 985 211 888。

参考文献

  1. Kwah LK, Webb MT, Goh L, Harvey LA. Rigid dressings versus soft dressings for transtibial amputations. Cochrane Database Syst Rev 2019;(6):CD012427.
  2. van Velzen AD và cs. Early treatment of trans-tibial amputees: retrospective analysis of early fitting and elastic bandaging. Prosthet Orthot Int 2005.
  3. Ali MM và cs. A contemporary comparative analysis of immediate postoperative prosthesis placement following below-knee amputation. Ann Vasc Surg 2013;27(8):1146–53.
  4. Schon LC và cs. Benefits of early prosthetic management of transtibial amputees: a prospective clinical study of a prefabricated prosthesis. Foot Ankle Int 2002;23(6):509–514.
  5. Samuelsen BT và cs. The impact of the immediate postoperative prosthesis on patient mobility and quality of life after transtibial amputation. Am J Phys Med Rehabil 2017;96(2):116–119.
  6. Reichmann JP, Stevens PM và cs. Removable rigid dressings for postoperative management of transtibial amputations: a review of published evidence. PM&R 2018;10:516–523.
  7. Lee J và cs. Impact of PPAM aid use on the time to prosthetic limb delivery in patients with unilateral transtibial amputation. Prosthet Orthot Int 2023;47(3):258–264.
  8. Mazari FAK và cs. Hull Early walking aid for Rehabilitation of Transtibial amputees — randomized controlled trial (HEART).
  9. Miller TA, Wurdeman SR và cs. Impact of time to receipt of prosthesis on total healthcare costs 12 months postamputation. Am J Phys Med Rehabil 2020.
  10. The role of earlier receipt of a lower limb prosthesis on emergency department utilization. PM&R 2021.
  11. Early receipt of a prosthesis linked to lower mortality in older veterans. J Rehabil Res Dev 2015;52(4).
  12. Prosthetic fitting associated with better survival at 5 years after above-knee amputation due to vascular insufficiency. Ann Phys Rehabil Med 2023.
  13. Pohjolainen T và cs. Prosthetic use and functional and social outcome following major lower limb amputation. Prosthet Orthot Int 1990.
  14. Atay IM và cs. The prevalence of prosthesis use with the effects on body image, depression, anxiety and self-esteem in lower-extremity amputations. Turk J Phys Med Rehab 2014;60(3):184–187.
  15. VA/DoD Clinical Practice Guideline for Rehabilitation of Individuals with Lower Limb Amputation, 2017; cập nhật 2024.
  16. Amputee and Prosthetic Rehabilitation – Standards and Guidelines, 3rd ed. BSRM, London 2018.
  17. Fard B và cs. Amputation and prosthetics of the lower extremity: the 2020 Dutch evidence-based multidisciplinary guideline. Prosthet Orthot Int 2023;47(1):69–80.
  18. Femurett adjustable prosthesis in the assessment and walking training of new above-knee amputees. Prosthet Orthot Int 1989.
  19. Hình ảnh minh họa / Illustrations: dungcuchinhhinh.vn (website của Lê Hoàn Prosthetics & Orthotics)

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プレミアム義足とは何か、使用者にどんな利点があるのか、そしてなぜ Lê Hoàn 義肢装具がプレミアム義肢の信頼できる選択肢なのかを解説します。

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