Triquetrum Fracture


Fracture of the triquetrum is the second most common carpal fracture. It is usually a dorsal chip fracture but can also occur through the body of the triquetrum (which is associated with perilunate and lunate dislocations).

MECHANISM

DIAGNOSIS

TREATMENT

  Initial Treatment
Splint type & position Volar splint, wrist in slight extension
Initial follow-up visit 2 weeks
Pt instructions Icing and elevation of hand for 24 to 48 hours
Maintain finger, elbow, and shoulder ROM
  Follow-up Care
Cast or Splint type & position Short-arm cast, wrist in slight extension
Length of immobilization Dorsal avulsion: 2 to 4 weeks
Transverse body fracture: 4 to 6 weeks
Healing time 4 to 6 weeks
Follow-up visit interval Every 2 weeks
Repeat radiography interval Dorsal avulsion: none
Transverse body fracture: every 2 weeks
Pt instruction Maintain finger, elbow, and shoulder ROM
Wrist exercises after cast removed—flexion, extension, ulnar-radial deviation
Indications for orthopedic consult Displaced body fractures
Associated injuries: pisiform fracture, ligament disruption, TFCC (triangular fibrocartilaginous complex) tear
Symptomatic nonunion after 6 weeks of immobilization

Return to Work or Sports