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Carpal Fracture

Carpal Fracture

The eight carpal bones (scaphoid, lunate, triquetrum, pisiform, trapezium, trapezoid, capitate, and hamate) connect the hand to the forearm and facilitate movement at the wrist.[1] Upper extremity fractures are among the most common fractures of the skeletal system.[2]


Causes and Risk FactorsEdit

  • Trauma to the hand or wrist [3]
  • Osteoporosis[4]
  • Bone disease[5]
  • Calcium deficiency[6]

IncidenceEdit

  • Carpal fractures account for 18% of hand fractures and 6% of all fractures [7]
  • The scaphoid alone represents 70% of carpal fractures and 10% of all hand fractures [8]

Symptoms, Signs, and Tests [9] [10] Edit

  • Pain
  • Swelling
  • Warmth
  • Discoloration
  • Limited Range of Motion
  • Deformity
  • X Ray Exam
  • CT Scan

Treatment [11]Edit

Scaphoid FractureEdit

   StableEdit

  • Immobilization for 3-4 Months

   UnstableEdit

  • Open Reduction, Internal Fixation
  • Immobilization for 1-3 Months

Lunate FractureEdit

   Stage IEdit

  • Immobilization as necessary

   Stage II, Stage III, Stage IVEdit

  • Various Surgical Interventions Depending on Severity of Injury

Triquetrum FractureEdit

   Chip FractureEdit

  • Immobilization for 2-3 Weeks

   Body FractureEdit

  • Immobilization for 4-6 Weeks

​Pisiform FractureEdit

  • Immobilization for 6 Weeks

Trapezium FractureEdit

  • Immobilization for 6 Weeks

Capitate FractureEdit

   NondisplacedEdit

  • Closed Reduction
  • Immobilization as Necessary

  DisplacedEdit

  • Open Reduction, Internal Fixation

Hamate FractureEdit

  NondisplacedEdit

  • Immobilization for 6 Weeks

  DisplacedEdit

  • Open Reduction, Internal Fixation
  • Immobilization for 6 Weeks

PrognosisEdit

If diagnosed promptly and treated correctly, most carpal fractures will heal in a matter of weeks. Proper alignment of the affected bone throughout the healing process is crucial to maintaining maximum wrist motion and function once healed. [12]

ReferencesEdit

  1. http://en.wikipedia.org/wiki/Carpus
  2. http://www.uptodate.com/contents/overview-of-carpal-fractures#H22
  3. http://emedicine.medscape.com/article/1238278-overview#a0102
  4. http://www.mayoclinic.com/health/broken-wrist/DS00971/DSECTION=risk-factors
  5. http://www.mayoclinic.com/health/broken-wrist/DS00971/DSECTION=risk-factors
  6. http://www.mayoclinic.com/health/broken-wrist/DS00971/DSECTION=risk-factors
  7. http://www.uptodate.com/contents/overview-of-carpal-fractures
  8. http://emedicine.medscape.com/article/1238278-overview#a0199
  9. http://www.emedicinehealth.com/wrist_injury/page3_em.htm
  10. http://www.emedicinehealth.com/wrist_injury/page5_em.htm
  11. http://emedicine.medscape.com/article/1238278-treatment
  12. http://emedicine.medscape.com/article/1238278-treatment#a25

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