What is included in the treatment of PIP fracture dislocations during the maintenance phase?

Updated: Jan 18, 2018
  • Author: Jay E Bowen, DO; Chief Editor: Craig C Young, MD  more...
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PIP motion is initiated, but significant hyperextension of the joint may injure healing tissues. An additional extension block splint prevents the final 30° of extension while allowing joint flexion. The ideal case for extension block splinting is when there is some collateral ligament restraint remaining on the major fragment. Therefore, a fracture involving less than 40% of the articular surface is preferred for extension block splinting. Lateral radiographs must be monitored to ensure that subtle subluxation is not present and that dorsal joint surfaces are reduced adequately.

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