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J Plast Surg Hand Surg. 2014 Oct;48(5):340-3. doi: 10.3109/2000656X.2014.901971. Epub 2014 Mar 31.

Primary ulnar superficial slip resection in complicated trigger finger.

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  • 1Orthopaedic Department, Hand Unit, University Hospitals Leuven , Pellenberg , Belgium.


Long standing trigger finger, often present for 6 months to years before consulting, can result in a lack of extension, which is often painful and may persist after section of the A1 pulley. The ulnar superficial slip resection (USSR) was introduced by Le Viet to address this problem. It is hypothesised that primary section of the A1 pulley with USSR resolves both extension lack and pain in longstanding trigger fingers with a painful extension lack. This retrospective study reviewed the results of primary USSR for longstanding trigger fingers (6 months or more) with painful extension lack in 18 patients. Locking was resolved and full extension was acquired in all cases (100%). Satisfaction rate was high (89%) and disability returned to normal after surgery. In two patients, satisfaction was low due to residual loss of flexion as a result of osteoarthritis and cold intolerance in another. It is concluded that the USSR procedure is a valuable primary surgical option in complicated trigger finger with painful extension lack caused by flexor tendon tendinosis.


Trigger finger; contracture; extension lack; tendinosis; ulnar slip resection

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