A wrist that hurts with exertion, that loses strength and mobility, years after an accident you thought was behind you. Or osteoarthritis flagged on an X-ray, with the feeling that there's nothing left to do but wait or fuse everything.
This article explains where this osteoarthritis comes from, why it damages the wrist in a specific order, and above all why this organized breakdown opens up surgical solutions far more nuanced than a simple fusion.
The wrist: why it's complicated, and why that's good news
The wrist is not a single joint but an assembly of eight small bones — the carpus — arranged in two rows that glide against one another between the forearm and the hand. This architecture is what gives it its exceptional mobility.
It also explains a crucial feature of its osteoarthritis: not all areas wear out at the same time. Some joints — those under greater stress or destabilized by an old injury — deteriorate first, while others stay healthy for a long time.
This is the point that governs everything else in this article. Because the wear spares certain areas, it is often possible to treat only the diseased areas — removing or fusing them — while preserving motion where the cartilage is intact. That is what sets wrist osteoarthritis apart from many others: it leaves options open.
Where it comes from
Unlike osteoarthritis of the fingers, wrist osteoarthritis is most often post-traumatic: it is the consequence — sometimes long delayed — of an old injury. Two causes dominate.
Scaphoid nonunion
A scaphoid fracture that fails to heal throws the wrist off balance for good and wears it down in a known sequence. It is one of the two main paths to post-traumatic osteoarthritis. See the scaphoid fracture article.
A tear in a key ligament
Between the two most important bones of the first row of the carpus runs a ligament — the scapholunate ligament. Its rupture, often during a fall and frequently missed, separates these two bones. They fall out of alignment, the load shifts, and wear sets in following a sequence that is, here too, predictable.
These two causes share one essential trait: they often begin with an overlooked injury mistaken for a simple sprain. That is why persistent wrist pain after an injury deserves a work-up, even long afterward.
Other, rarer causes exist: the aftermath of an intra-articular fracture of the radius, inflammatory diseases such as rheumatoid arthritis, gout, chondrocalcinosis, or certain disorders of the blood supply to a carpal bone. These do not follow the same patterns and call for a specific evaluation.
Wear that follows an order — and why that changes everything
The most useful point in this article is also the most counterintuitive: post-traumatic wrist osteoarthritis is not spread at random. Whether it stems from a nonunion or a ligament rupture, it progresses along well-described patterns that affect the joints in a recognizable order. SLAC / SNAC
Two constants recur in these patterns:
The wear begins at a precise spot — the outer side of the wrist, between the radius and the scaphoid — and then spreads step by step toward the center of the carpus.
One joint is spared for a long time: the one linking the radius to the central bone of the first row, the lunate. It is this preserved area that makes joint-sparing surgery possible.
This regularity is not a theoretical curiosity. It has a direct and very practical consequence: since we know which areas wear out and which hold up, surgery can be tailored to the exact stage of wear rather than applying a one-size-fits-all solution.
This is also why an X-ray, supplemented if needed by a CT scan, isn't just there to “see osteoarthritis”: it serves to pinpoint where the wear sits along this path, because that location is what determines which treatment is possible.
Symptoms
The signs set in gradually, often long after the causal injury:
Wrist pain with exertion and load-bearing — leaning, carrying, twisting a screwdriver — at first intermittent, then more constant.
Stiffness, most marked in the morning or after periods of rest, with a gradual loss of mobility.
A loss of grip strength, with objects harder to hold.
Swelling on the back of the wrist, sometimes with cracking or clicking.
The intensity of the pain is not always proportional to the wear visible on X-rays: some badly damaged wrists cause little pain, and the reverse happens too. It is the actual discomfort, more than the image, that guides the decision to treat.
What can be done without surgery
As long as the discomfort remains bearable, non-surgical management is justified and often effective on the symptoms:
Adapting your activities and movements to reduce the strain on the wrist.
A resting splint, worn during painful activities or at night.
Anti-inflammatory medication, for limited periods.
A corticosteroid injection, which can relieve a painful flare-up.
Rehabilitation (physical therapy), to maintain mobility and strength without straining the worn areas.
These measures do not repair the cartilage or halt the progression, but they can keep the wrist usable for a long time and postpone surgical management.
Surgery: relief without fusing everything
This is where the logic of “ordered” wear comes into its own. Depending on the stage, several procedures make it possible to treat the diseased areas while preserving mobility. Total fusion of the wrist is only one option among others, and often the last.
Removing a nerve to remove the pain: denervation
This is the least well-known option. The principle: through a single small incision on the back of the wrist, to cut the fine nerves that carry only the pain from the joint, without controlling any movement or any sensation of the skin.
What makes it distinctive: it touches neither the bones nor the joints. It therefore preserves full mobility and rules out no future procedure.
Studies report pain relief in about three out of four patients. 2023 meta-analysis One point of honesty, though: the benefit can fade over time, because the underlying osteoarthritis keeps progressing. This treats the pain, not the cause.
Often a test is done first: a local anesthetic of the same nerves. If it clearly relieves the pain, denervation has a good chance of working.
Removing or fusing only the worn areas
When the wear is more advanced but still localized, two standard procedures make it possible to remove the diseased surfaces while keeping the wrist mobile. They serve the same goal by two different routes:
Removal of the first row
The worn bones of the top row are removed; the central bone then articulates directly with the radius, on cartilage that is still healthy. If needed, the central bone is resurfaced at the same time with a pyrocarbon implant (RCPI).
Partial fusion of the wrist
Fusion of the four central bones (four-corner fusion), after removing the scaphoid: a few worn joints are fused together while preserving the main movement between the radius and the lunate.
What comparisons between these two techniques show
Several meta-analyses have compared these two procedures. Their conclusions converge: differences exist but remain small and of little clinical significance. Removal of the first row tends to give slightly more mobility and fewer complications and revisions; partial fusion preserves the height of the carpus.
Neither is “the best” in absolute terms: the choice depends on the stage of wear — removal of the first row assumes the facing cartilage is intact — on age, functional demands, and the surgeon's experience.
Total fusion: when there is no healthy area left
Once the wear has reached all the joints of the wrist, joint-sparing techniques are no longer possible. Total fusion — complete arthrodesis — then reliably removes the pain, at the cost of wrist mobility. The hand, the fingers, and forearm rotation remain functional; many patients keep an active life.
A total wrist implant is an alternative in selected cases, in patients with low mechanical demands. Its role remains more limited than for the hip or knee and is discussed case by case.
The overall picture
This table sums up the logic of the article: the wrist is treated according to where it sits along the path of wear, and the range of solutions narrows as the wear spreads. That is one more reason not to wait until everything is damaged.
Recovery
The details depend on the procedure performed and are laid out case by case: see our knowledge center.
Frequently asked questions
Glossary
The set of eight small bones of the wrist, arranged in two rows between the forearm and the hand.
The most frequently fractured carpal bone; its failure to heal is a major cause of wrist osteoarthritis.
The ligament linking the two main bones of the first row; its rupture is the other major cause of post-traumatic osteoarthritis.
Cutting the fine nerves that carry the wrist's pain, without affecting movement or bones.
Surgical fusion of a joint; it can be partial (a few bones) or complete (the whole wrist).
Cartilage wear resulting from an old injury, as opposed to age-related osteoarthritis.
References
Hones KM, Hao KA, Rakauskas TR, et al. Four-Corner Fusion Versus Proximal Row Carpectomy for Scapholunate Advanced Collapse and Scaphoid Nonunion Advanced Collapse Wrist: A Systematic Review and Meta-Analysis. J Hand Surg Am. 2024;49(7):633-638. PMID 38416092 — removal of the first row gives better range of motion and fewer conversions to fusion (5.2% vs 11%)
Proximal row carpectomy generates better mid- to long-term outcomes than four-corner arthrodesis for post-traumatic wrist arthritis: A meta-analysis. 2022. PMID 35940440 — 1,059 wrists; better flexion and fewer complications and revisions after removal of the first row
The never-ending battle between proximal row carpectomy and four corner arthrodesis: meta-analysis. J Plast Reconstr Aesthet Surg. 2021 — statistically significant but clinically minimal differences; the two techniques equivalent in practice
Fidanza A, Necozione S, Garagnani L. Partial denervation for chronic wrist pain: systematic review and meta-analysis. EFORT Open Rev. 2023;8(3):110-116. PMID 36916712 — overall success of 78.4% for pain, with no substantial complications
Abdelaziz AM, et al. Posterior Interosseous Neurectomy Alternative for Treating Chronic Wrist Pain. J Wrist Surg. 2019;8(3):198-201. PMID 31192040 — denervation in SLAC and SNAC wrists
Scapholunate Advanced Collapse (SLAC) and Scaphoid Nonunion Advanced Collapse (SNAC): A Review of Treatment Options. 2024 — predictable degenerative sequence, sparing of the radiolunate joint, stage-by-stage options
Epidemiology of post-traumatic wrist osteoarthritis — reference to be added
Long-term outcomes of total fusion and total wrist implant — reference to be added
Reviewed and approved by Dr Frédéric Teboul, hand, brachial plexus, and peripheral nerve surgeon, member of the Académie Nationale de Chirurgie.
Last updated: 20 August 2026
Disclaimer. This article is for information only. It does not replace a medical consultation. Persistent wrist pain, even from an old injury, deserves a specialist's opinion.
Author of this publication
Every piece of content is signed by its author and reviewed before publication.
Author
Dr Frédéric Teboul
Hand surgeon — specialist in the brachial plexus and peripheral nerves