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Open extensor tendon injuries: an epidemiologic study.

Dominic Patillo¹, Ghazi M Rayan

¹Adventist Medical Center, 10000 SE Main St, Suite 327, Portland, OR 97216, USA.

Hand Surgery : an International Journal Devoted to Hand and Upper Limb Surgery and Related Research : Journal of the Asia-Pacific Federation of Societies for Surgery of the Hand

|February 22, 2012

Summary

Open extensor tendon injuries commonly affect the thumb and middle finger, often caused by sharp lacerations. Thorough evaluation for associated bone and soft tissue damage is crucial for optimal surgical outcomes.

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Area of Science:

Orthopedic surgery
Trauma surgery
Hand surgery

Background:

Extensor tendon injuries in the digits, hand, and forearm are complex.
Understanding their epidemiology and associated injuries is vital for effective treatment.

Purpose of the Study:

To detail the epidemiology, mechanisms, and anatomical patterns of open extensor tendon injuries.
To determine the frequency and predictors of associated bone and soft tissue damage.

Main Methods:

Retrospective chart review of 86 patients undergoing operative repair of open digital extensor tendon injuries over 11 years.
Data analysis based on patient demographics, injury zone, mechanism, and associated injuries.
Statistical analysis to identify significant associations.

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Main Results:

125 tendons and 105 digits injured, predominantly in males (83%) aged 34.2 years.
Thumb (25.7%) and middle finger (24.8%) were most affected; sharp lacerations (60%) were the commonest cause.
Associated injuries occurred in 46.7%, with saw and crush mechanisms predicting fractures and joint capsule damage.

Conclusions:

Open extensor tendon injuries, particularly crush or saw-related, require comprehensive evaluation.
Identifying associated injuries is essential for tailoring surgical treatment and improving patient outcomes.