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Updated: Aug 18, 2025

Surgical Approach and Complications of Stand-alone Lateral Trans-Psoas Interbody Fusion
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Surgical Approach and Complications of Stand-alone Lateral Trans-Psoas Interbody Fusion

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Long-term Outcomes for Late-Phase Kienböck's Tenoarthroplasty.

Mark Henry1, Forrest H Lundy1, Giselle K Henry1

  • 1Hand & Wrist Center of Houston, TX, USA.

Hand (New York, N.Y.)
|December 10, 2022
PubMed
Summary

Prosthetic lunate replacement with tenodesis offers favorable outcomes for late Kienböck

Area of Science:

  • Orthopedic surgery
  • Hand surgery
  • Wrist reconstruction

Background:

  • Late Kienböck's disease involves a nonreconstructible, fragmented lunate.
  • Pyrocarbon lunate prosthesis preserves load distribution but requires soft-tissue stabilization.

Purpose of the Study:

  • To evaluate the long-term outcomes of prosthetic lunate replacement with dual bundle scaphoid-triquetrum tenodesis for carpal stabilization in patients with late Kienböck's disease.

Main Methods:

  • 12 patients (5 male, 7 female; mean age 43) underwent lunate prosthesis with tenodesis.
  • Mean follow-up was 9.1 years.
  • Outcomes assessed via DASH score, revision surgery, and wrist range of motion.

Main Results:

  • Mean Disabilities of Arm, Shoulder, and Hand (DASH) score was 8.9.
Keywords:
Kienböck’sdiagnosisfracture/dislocationinstabilitylunateprosthesispyrocarbonwrist

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  • No patients required revision or conversion surgery.
  • Mean wrist flexion was 60°, and extension was 45°.

    • Conclusions:

    • Prosthetic lunate replacement combined with tenodesis demonstrates favorable clinical outcomes.
    • The procedure showed excellent survivorship, with no need for revision or conversion surgery.
    • Patient-reported outcomes were notably positive.