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Proximal Row Carpectomy [Wrist]

By Dr Arun Pal Singh

In this article
    • Indications
    • Technique of Proximal Row Carpectomy
      • Related

Last Updated on October 30, 2023

Proximal row carpectomy is a surgical procedure that involves removal of bones of proximal row of the wrist namely Scaphoid, lunate, triquetral and in some cases radial styloid. It is a motion-sparing procedure.

Proximal row carpectomy converts complex wrist joint to a simple hinge joint creating a radiocarpal articulation and preserves about 60-80% of motion & 70-100% grip strength.

However, it has a disadvantage of relative lengthening of extrinsic tendons.

Indications

  • Disabling wrist pain secondary to Scapholunate Advanced Collapse wrist
  • Kienbock’s disease
  • Scaphoid Nonunion
  • Avascular necrosis of scaphoid

Proximal row carpectomy should not be done in severe degenerative changes and rheumatoid arthritis.

Wrist Arthroplasty and wrist fusion are two alternative procedures that must be considered and discussed with the patient.

Xray after Proximal Row Carpectomy
Xray after Proximal Row Carpectomy, Image Credit: Hand Surgery

Technique of Proximal Row Carpectomy

The wrist is opened through a dorsal longitudinal approach through the third compartment. Radioscaphocapitate ligament is preserved so as to prevent ulnar subluxation after the procedure of proximal row carpectomy is performed.

After exposure, traction is applied to the index and long fingers, in a longitudinal direction. This tract facilitates the excision of the proximal carpal row. For bone removal, small rongeurs are used first to excise the middle of each bone. This allows the proximal and distal edges of the proximal carpal bones to collapse together. This makes the rest of the removal of the bones easy along their peripheral edges.

Injury to palmar wrist ligament, triangular fibrocartilage complex, capitate, and pisiform should be avoided. Passive flexion-extension of the hand is done in neutral and slight radial deviation to detect impingement of the trapezium and the radial styloid. Some patients do require radial styloidectomy because of impingement.

The wound is closed and the wrist is immobilized in a well-padded plaster splint for 2 weeks.

Sutures are removed at  2 weeks, the patient is placed in a removable splint, and motion is started.

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Filed Under: Procedures

About Dr Arun Pal Singh

Arun Pal Singh is an orthopedic and trauma surgeon, founder and chief editor of this website. He works in Kanwar Bone and Spine Clinic, Dasuya, Hoshiarpur, Punjab.

This website is an effort to educate and support people and medical personnel on orthopedic issues and musculoskeletal health.

You can follow him on Facebook, Linkedin and Twitter

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