Results of a method of 4-corner arthrodesis using headless compression screws

Tuna Ozyurekoglu, Tolga Turker

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Purpose: To evaluate the functional and radiographic results of a scaphoid excision and four-corner arthrodesis technique using percutaneous headless compression screws. Methods: A cohort of 33 patients, mean age 51 (range, 20-72) years, was treated for scapholunate advanced collapse (19), scaphoid nonunion advanced collapse (12), midcarpal instability (1), and Preiser disease (1). After scaphoid excision and removal of cartilage and subchondral bone in the midcarpal joint through a limited arthrotomy, capitolunate fixation was achieved with a percutaneous, transmetacarpal Acutrak screw (Acumed LLC, Hillsboro, OR), and triquetrohamate fixation was done with a percutaneous screw. Scaphoid was used as a bone graft. The average follow-up time was 8 months (n = 32; range, 6-64 mo). Results: Union occurred in 31 of 33 wrists (94%). One of the 33 patients had total wrist arthrodesis. Average total active flexion-extension arc was 71° after surgery and 83° before surgery. The postoperative carpal height averaged 0.47 compared to preoperative values of 0.45. The percentage of grip strength significantly improved from 41% before surgery to 80% after surgery. Postoperative mean verbal numerical rating scale pain score was less than 1, statistically better than the preoperative score of 7. Twenty-five of 33 patients were completely pain free. The average postoperative Mayo wrist score was 74, a significant improvement over the preoperative average of 40. Final Disabilities of the Arm, Shoulder, and Hand scores averaged 13 (n = 32; range, 0-49). Conclusions: These results were comparable to or better than the results of previously published techniques in terms of fusion rates, alleviation of pain, grip strength, range of motion; Mayo wrist score; and Disabilities of the Arm, Shoulder, and Hand questionnaire score. The technique exploits the theoretical advantages of strong compression between carpals while avoiding a screw-head sized hole in the lunate articular cartilage and preserving the dorsal capsular ligament attachments to the triquetrum.

Original languageEnglish (US)
Pages (from-to)486-492
Number of pages7
JournalJournal of Hand Surgery
Volume37
Issue number3
DOIs
StatePublished - Mar 2012
Externally publishedYes

Fingerprint

Arthrodesis
Wrist
Hand Strength
Arm
Hand
Psychological Techniques
Bone and Bones
Pain
Articular Cartilage
Articular Range of Motion
Ligaments
Cartilage
Joints
Head
Transplants

Keywords

  • Four-corner arthrodesis
  • headless compression screw
  • wrist arthritis
  • wrist arthrodesis

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Surgery

Cite this

Results of a method of 4-corner arthrodesis using headless compression screws. / Ozyurekoglu, Tuna; Turker, Tolga.

In: Journal of Hand Surgery, Vol. 37, No. 3, 03.2012, p. 486-492.

Research output: Contribution to journalArticle

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abstract = "Purpose: To evaluate the functional and radiographic results of a scaphoid excision and four-corner arthrodesis technique using percutaneous headless compression screws. Methods: A cohort of 33 patients, mean age 51 (range, 20-72) years, was treated for scapholunate advanced collapse (19), scaphoid nonunion advanced collapse (12), midcarpal instability (1), and Preiser disease (1). After scaphoid excision and removal of cartilage and subchondral bone in the midcarpal joint through a limited arthrotomy, capitolunate fixation was achieved with a percutaneous, transmetacarpal Acutrak screw (Acumed LLC, Hillsboro, OR), and triquetrohamate fixation was done with a percutaneous screw. Scaphoid was used as a bone graft. The average follow-up time was 8 months (n = 32; range, 6-64 mo). Results: Union occurred in 31 of 33 wrists (94{\%}). One of the 33 patients had total wrist arthrodesis. Average total active flexion-extension arc was 71° after surgery and 83° before surgery. The postoperative carpal height averaged 0.47 compared to preoperative values of 0.45. The percentage of grip strength significantly improved from 41{\%} before surgery to 80{\%} after surgery. Postoperative mean verbal numerical rating scale pain score was less than 1, statistically better than the preoperative score of 7. Twenty-five of 33 patients were completely pain free. The average postoperative Mayo wrist score was 74, a significant improvement over the preoperative average of 40. Final Disabilities of the Arm, Shoulder, and Hand scores averaged 13 (n = 32; range, 0-49). Conclusions: These results were comparable to or better than the results of previously published techniques in terms of fusion rates, alleviation of pain, grip strength, range of motion; Mayo wrist score; and Disabilities of the Arm, Shoulder, and Hand questionnaire score. The technique exploits the theoretical advantages of strong compression between carpals while avoiding a screw-head sized hole in the lunate articular cartilage and preserving the dorsal capsular ligament attachments to the triquetrum.",
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