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Persistent Trigger Finger Due to Tendon Subluxation
Ronald K Akiki1, Loree K Kalliainen2
1The Warren Alpert School of Brown University, Providence, RI.
The Journal of Hand Surgery
|October 5, 2020
Summary
Triggering symptoms persisted after A1 pulley division in a ring finger due to flexor digitorum superficialis tendon subluxation. Surgical separation of the tendon resolved the triggering, offering a new treatment approach.
Area of Science:
- Orthopedic surgery
- Hand surgery
- Musculoskeletal disorders
Background:
- A1 pulley division is a common surgical treatment for triggering of the finger.
- Persistence of triggering after A1 pulley division can occur, necessitating further investigation.
Observation:
- An adult patient experienced persistent triggering in the ring finger post-A1 pulley division.
- The persistent triggering was attributed to subluxation of the flexor digitorum superficialis tendon.
Findings:
- Flexor digitorum superficialis tendon subluxation was identified as the cause of persistent triggering.
- Longitudinal separation of the flexor digitorum superficialis tendon successfully resolved the triggering symptoms.
Implications:
- This case highlights a rare complication of A1 pulley division.
- Longitudinal flexor digitorum superficialis tendon separation may be an effective treatment for similar cases.
- Further research is warranted to understand the biomechanics of tendon subluxation after pulley release.
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