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Adductor canal blocks: changing practice patterns and associated quality profile.

M M Masaracchia1, M D Herrick1, M J Barrington2

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Summary
This summary is machine-generated.

Adductor canal block utilization increased for total knee arthroplasty (TKA) without impacting safety or quality. This regional anesthesia practice shift offers a viable alternative to femoral nerve blocks for TKA patients.

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Area of Science:

  • Anesthesiology
  • Orthopedic Surgery

Background:

  • Femoral nerve blocks (FNB) were standard for post-TKA pain relief.
  • Adductor canal block (ACB) gained favor due to reduced motor weakness.
  • Assessing regional anesthesia practice shifts in TKA is crucial.

Purpose of the Study:

  • To analyze changes in regional anesthesia practices for total knee arthroplasty (TKA).
  • To evaluate the safety and quality associated with these practice changes.

Main Methods:

  • A 20-member clinical registry tracked adductor canal block (ACB) use for TKAs (July 2011-Oct 2015).
  • Clinical outcomes from the largest contributing institution were analyzed for quality assessment.
  • Data included block utilization, complications, pain scores, length of stay, and readmissions.

Main Results:

  • Adductor canal block (ACB) utilization for TKA significantly increased across the registry.
  • No increase in immediate or recovery room complications was observed.
  • Analysis of unilateral primary TKAs showed no significant changes in pain scores, length of stay, or 30-day re-evaluations for pain.

Conclusions:

  • A substantial rise in adductor canal block (ACB) use for TKAs was noted among registry members.
  • This practice shift did not correlate with adverse changes in patient safety or clinical outcomes.
  • ACB represents a safe and effective alternative for TKA analgesia.