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PubMed This is a summary of 12 peer-reviewed journal articles Updated
Orthopedic Surgery · Kienböck Disease

Kienböck Disease Surgery: How Much Wrist Motion Is Lost?

At a Glance

After a proximal row carpectomy, patients retain about half of a normal wrist’s up-and-down motion on average, although results vary. A total wrist fusion removes wrist bending and side-to-side motion but usually preserves finger movement and forearm rotation.

In this answer

4 sections

01

How Your Surgeon Decides

02

Proximal Row Carpectomy (PRC): Preserving Motion

03

Total Wrist Fusion: Maximizing Stability

04

Recovery and Adjusting to Your New Normal

If you need surgery for late-stage Kienböck disease, your wrist mobility will permanently change, but you will not necessarily lose all movement. The outcome depends on your specific anatomy, the condition of your joint cartilage, and the procedure you and your surgeon choose. A proximal row carpectomy (PRC) aims to preserve motion, averaging about half of a normal flexion-extension arc [1]. In contrast, a total wrist fusion intentionally eliminates your ability to bend your wrist back and forth, but it is designed to provide a highly stable foundation to reduce pain [2].

How Your Surgeon Decides

Proximal row carpectomy is not an option for everyone. A standard PRC generally requires that you still have healthy, preserved cartilage on the head of the capitate bone and the socket of the radius bone (the lunate fossa) [3]. If your Kienböck disease is advanced and these cartilage surfaces are heavily damaged or collapsed, a total wrist fusion may be the recommended option to provide a reliable, stable wrist [4][5]. Your surgeon will use imaging (such as X-rays or MRI) to evaluate your cartilage, disease stage, and alignment to help determine your candidacy.

Proximal Row Carpectomy (PRC): Preserving Motion

In a proximal row carpectomy, the surgeon removes the damaged row of wrist bones (the proximal carpal row). Because it does not permanently lock the remaining bones together, PRC preserves your ability to bend your wrist [6].

  • Motion Retained: On average, a PRC retains about 50% of a normal flexion-extension arc (bending up and down) [1]. However, this is a group average; your specific motion will depend heavily on your preoperative flexibility, disease severity, and rehabilitation.
  • Expected Benefits: PRC often relieves pain and improves grip strength compared to before surgery [7]. It is a simpler procedure that avoids the complications sometimes associated with the metal plates used in fusions [8].
  • Risks: Some patients experience persistent pain or weakness. Over time, many patients develop radiographic arthritis (degeneration visible on an X-ray) in the reshaped joint [9]. While this does not always cause symptoms, some patients eventually require a second surgery to convert to a total wrist fusion.

Total Wrist Fusion: Maximizing Stability

A total wrist fusion (arthrodesis) involves permanently joining the radius bone of the forearm to the remaining wrist bones, and often to the middle hand bone (third metacarpal), using a metal plate and screws [10]. It does not fuse the two forearm bones together.

  • Motion Lost: This procedure completely eliminates wrist flexion and extension (bending up and down) and radial/ulnar deviation (bending side-to-side) [2].
  • Expected Benefits: A fused wrist aims to provide a highly stable foundation to significantly reduce pain and support heavier loading, making it a common choice for heavy manual labor or strenuous lifting [11].
  • Risks: Total wrist fusion carries risks such as nonunion (bones failing to heal together), hardware irritation, infection, or the need to have the plate removed [12]. Additionally, while it aims to eliminate pain, some patients still experience residual discomfort [2].

Recovery and Adjusting to Your New Normal

The prospect of permanent motion loss is a major source of anxiety for late-stage Kienböck patients. However, even with a total wrist fusion, your ability to move your fingers and rotate your forearm (turn your palm up and down) is usually preserved, assuming you do not have other nerve or joint issues [2].

Most people adapt remarkably well by using their elbow and shoulder to position their hand. While recovering from either procedure, you will require a period of immobilization (such as a splint or cast) followed by dedicated hand therapy. Maximum recovery often takes several months to a year.

Note: Contact your surgical team immediately if you experience severe or worsening pain, redness, drainage, fever, or unusual swelling during your recovery.

Comparing Your Options

Feature Proximal Row Carpectomy (PRC) Total Wrist Fusion
Primary Goal Preserve motion and reduce pain Maximize stability and reduce pain
Motion Retained Usually ~50% of a normal flexion-extension arc [1] None (eliminates up/down and side-to-side wrist bending) [2]
Cartilage Requirement Requires preserved cartilage on capitate and radius socket [3] None (damaged cartilage is removed/fused)
Grip/Loading Tolerance Improved from baseline, but often less than a fused wrist Highly stable, supports heavy manual labor [11]
Major Risks Persistent pain, later arthritis, possible conversion to fusion [9] Nonunion, hardware irritation, residual pain [12]

Common questions in this guide

What range of motion can I expect after a proximal row carpectomy?
A proximal row carpectomy retains about 50% of a normal wrist flexion-and-extension arc on average. That usually means keeping some up-and-down movement, but the result depends on your preoperative flexibility, disease severity, and rehabilitation.
Will my wrist still move after a total wrist fusion?
No. Total wrist fusion eliminates bending at the wrist both up and down and side to side. In most people, it does not stop finger movement or forearm rotation, so you can still turn your palm up and down.
Why might fusion be recommended instead of a PRC for Kienböck disease?
A standard PRC generally requires healthy cartilage on the head of the capitate and the radius’s wrist socket. If those surfaces are badly damaged or collapsed, fusion may provide a more reliable, stable wrist, and imaging and disease stage help the surgeon decide.
Can a wrist fusion help with heavy work?
A fused wrist creates a stable foundation that can significantly reduce pain and support heavier loading, so it may suit heavy manual labor. It also permanently removes wrist bending, and return-to-work timing depends on healing and your surgeon’s restrictions.
How long does recovery take after PRC or wrist fusion?
Both procedures usually involve immobilization in a splint or cast followed by hand therapy. Maximum recovery often takes several months to a year, and the exact timeline depends on the procedure and your individual healing.
Could I need another operation after a PRC?
Some patients develop arthritis visible on X-rays in the reshaped joint, and some eventually have persistent pain or need conversion to a total wrist fusion. Arthritis seen on an X-ray does not always cause symptoms, so your surgeon will relate the imaging to how you feel.

Questions For You

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Related questions

Kienböck Surgery Recovery: How Long Does Healing Take? What Does Ulnar Negative Variance Mean on a Kienbock MRI? Can Repetitive Stress or Heavy Labor Cause Kienböck Disease? Can Blood Clotting Disorders Cause Kienböck’s Disease? What Does Lichtman Stage IIIC Mean for Kienböck Treatment?
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Can Kienböck Disease X-Rays Worsen While Symptoms Improve? Can MRI Diagnose Early Kienböck Disease With Normal X-Rays? How Rare Is Kienböck Disease and Should I See a Specialist? Is Conservative Treatment Effective for Kienböck Disease? What Conditions Mimic Kienböck Disease Wrist Symptoms? Why Is Gadolinium Contrast Used in MRI for Kienböck Disease?

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Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.Do I have enough healthy cartilage on my capitate and radius bones to be a candidate for a proximal row carpectomy?
  2. 2.What specific range of motion and grip strength do you expect I will regain based on my imaging and current flexibility?
  3. 3.What does the rehabilitation timeline (splinting, therapy, return to work) look like for my specific case?
  4. 4.If I choose a carpectomy and arthritis develops later, what is involved in converting to a wrist fusion?
  5. 5.How will this specific surgery limit my ability to do my job or specific activities (e.g., typing, heavy lifting, push-ups)?

References

References (12)
  1. 1

    [Proximal row carpectomy in patient with wrist osteoarthritis].

    Díaz-López JJ, Vázquez-Alonso MF, Tovar-Beltrán O

    Acta ortopedica mexicana 2019; (33(5)):273-276.

    PMID: 32253846
  2. 2

    High re-operation and complication rates 11 years after arthrodesis of the wrist for non-inflammatory arthritis.

    Reigstad O, Holm-Glad T, Korslund J, et al.

    The bone & joint journal 2019; (101-B(7)):852-859 doi:10.1302/0301-620X.101B7.BJJ-2018-0943.R4.

    PMID: 31256671
  3. 3

    Proximal Row Carpectomy Using Decellularized Dermal Allograft: Preliminary Results.

    Lee SJ, Rabinovich RV, Kim A

    Journal of wrist surgery 2021; (10(2)):116-122 doi:10.1055/s-0040-1718912.

    PMID: 33815946
  4. 4

    Mid-term outcomes of routine proximal row carpectomy compared with proximal row carpectomy with dorsal capsular interposition arthroplasty for the treatment of late-stage arthropathy of the wrist.

    Gaspar MP, Pham PP, Pankiw CD, et al.

    The bone & joint journal 2018; (100-B(2)):197-204 doi:10.1302/0301-620X.100B2.BJJ-2017-0816.R2.

    PMID: 29437062
  5. 5

    Simplifying the Decision-Making Process in the Treatment of Kienböck's Disease.

    Tee R, Butler S, Ek ET, Tham SK

    Journal of wrist surgery 2024; (13(4)):294-301 doi:10.1055/s-0043-1778064.

    PMID: 39027019
  6. 6

    Factors associated with improved outcomes following proximal row carpectomy: a long-term outcome study of 144 patients.

    Wagner ER, Bravo D, Elhassan B, Moran SL

    The Journal of hand surgery, European volume 2016; (41(5)):484-91 doi:10.1177/1753193415597096.

    PMID: 26228698
  7. 7

    The use of resurfacing capitate pyrocarbon implants (RCPI) in chronic diseases of the wrist: outcomes of more than 100 cases.

    Marcuzzi A, Pederiva D, Pilla F, et al.

    Musculoskeletal surgery 2024; (108(3)):367-371 doi:10.1007/s12306-023-00803-z.

    PMID: 38038900
  8. 8

    The never-ending battle between proximal row carpectomy and four corner arthrodesis: A systematic review and meta-analysis for the final verdict.

    Ahmadi AR, Duraku LS, van der Oest MJW, et al.

    Journal of plastic, reconstructive & aesthetic surgery : JPRAS 2022; (75(2)):711-721 doi:10.1016/j.bjps.2021.09.076.

    PMID: 34802951
  9. 9

    Four-corner fusion versus proximal row carpectomy : a retrospective review with a minimal follow-up of 9 years.

    Van Nuffel M, Vanhees M, Maeckelbergh L, et al.

    Acta orthopaedica Belgica 2020; (86(1)):146-150.

    PMID: 32490786
  10. 10

    The Effect of 3rd Carpometacarpal Arthrodesis in the Outcomes of Total Wrist Fusion Using Modern Plate Technology.

    Rioux-Forker D, Patel RS, Hinchcliff KM, Shin AY

    Journal of wrist surgery 2023; (12(5)):400-406 doi:10.1055/s-0043-1768945.

    PMID: 37841357
  11. 11

    [Wrist arthrodesis with a fixed-angle, "low-profile" fusion plate without carpometacarpal joint fixation].

    Köhler S, Koch K, Arsalan-Werner A, et al.

    Operative Orthopadie und Traumatologie 2017; (29(5)):416-430 doi:10.1007/s00064-017-0517-5.

    PMID: 28900671
  12. 12

    Complications and Factors Associated with Reoperation following Total Wrist Fusion.

    Hazewinkel MHJ, Lans J, Lunn KN, et al.

    Journal of wrist surgery 2020; (9(6)):498-508 doi:10.1055/s-0040-1714683.

    PMID: 33282536

This page is for informational purposes only and does not constitute medical advice. Your hand surgeon and therapy team can explain how your imaging, goals, and recovery plan may affect wrist motion.