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Dorsal Fracture Dislocations of the Proximal Interphalangeal Joint Treated by Open Reduction and Interfragmentary Screw Fixation: Indications, Approaches and Results

From the Department of Hand Surgery, Singapore General Hospital, Singapore, Singapore

Correspondence: Corresponding author. Dr Jonathan Y.L. Lee Department of Hand Surgery, Singapore General Hospital, Outram Road, Singapore 169608, Singapore. Tel.: +65 6321 4588; fax: +65 6321 3573., E-mail: leeyiliang{at}pacific.net.sg, ghswly{at}sgh.com.sg.

Many operative and non-operative treatments of dorsal fracture dislocations of the proximal interphalageal (PIP) joint have been described. Return of good joint function requires anatomical reduction of the articular fragments and restoration of joint congruity and a stable functional arc of motion, with the fixation construct stable enough for early mobilization. To prevent recurrent dorsal subluxation, the attachments of the ligamentous palmar restraints and the bony buttress provided by the palmar lip of the middle phalanx base must be restored. Open reduction and internal interfragmentary screw fixation using 1.5 or 1.3 mm screws was employed in 12 fingers in 10 patients with unstable dorsal fracture dislocations of the PIP joints of Schenck grades III and IV. At an average follow-up of 8.7 months, all patients in this series achieved good to excellent results and an average total active interphalangeal motion of 132° (range 105°–165°). Additional benefits over non-operative techniques included improved patient comfort and simplified nursing care and therapy supervision.

Key Words: fracture • proximal interphalangeal joint • dislocation • open reduction internal fixation

Journal of Hand Surgery (British and European Volume), Vol. 31, No. 2, 138-146 (2006)
DOI: 10.1016/J.JHSB.2005.09.019


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