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Purpose of Review <p>Through-knee amputation (TKA) is rarely performed by surgeons, compromising less than 5% of all major lower extremity amputations. Patient anatomical and functional status needs to be assessed prior to considering level of amputation. We describe the types of TKA and compare current data on TKA outcomes to above knee amputation (AKA) outcomes.</p> Recent Findings <p>Overall data is limited on TKA outcomes compared to AKA outcomes. TKA may have increased risk of surgical site infection and may require more operative revisions when compared to AKA. However, overall mortality and post-operative complications were similar between all types of amputation. Increased frailty and malnutrition increase the risk of post-operative complications in all types of major lower extremity amputation.</p> Summary <p>In many cases, a more proximal level amputation may be the best option for the frail, bed-bound or non-ambulatory patient. However, for patients reliant on ambulation, TKA can be considered as a non-inferior and possibly superior procedure compared to the AKA.</p>

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Outcomes in Lower Extremity Amputation: Through Knee Versus Above Knee Amputation

  • 期刊论文

  • 发表日期：

    2025年2月21日

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  • Scott Painter,
  • Bernadette Aulivola

摘要

Purpose of Review

Through-knee amputation (TKA) is rarely performed by surgeons, compromising less than 5% of all major lower extremity amputations. Patient anatomical and functional status needs to be assessed prior to considering level of amputation. We describe the types of TKA and compare current data on TKA outcomes to above knee amputation (AKA) outcomes.

Recent Findings

Overall data is limited on TKA outcomes compared to AKA outcomes. TKA may have increased risk of surgical site infection and may require more operative revisions when compared to AKA. However, overall mortality and post-operative complications were similar between all types of amputation. Increased frailty and malnutrition increase the risk of post-operative complications in all types of major lower extremity amputation.

Summary

In many cases, a more proximal level amputation may be the best option for the frail, bed-bound or non-ambulatory patient. However, for patients reliant on ambulation, TKA can be considered as a non-inferior and possibly superior procedure compared to the AKA.