Technical Note

HSS Journal

, Volume 2, Issue 2, pp 172-175

Computerized Navigation for Treatment of Slipped Femoral Capital Epiphysis

  • Yoram WeilAffiliated withOrthopedic Trauma Service, Hospital for Special SurgeryDepartment of Orthopedic Surgery, The Hadassah University Hospital Email author 
  • , Andrew PearleAffiliated withOrthopedic Trauma Service, Hospital for Special Surgery
  • , Meir LiebergallAffiliated withDepartment of Orthopedic Surgery, The Hadassah University Hospital
  • , Naum SimanovskyAffiliated withDepartment of Orthopedic Surgery, The Hadassah University Hospital
  • , Shlomo PoratAffiliated withDepartment of Orthopedic Surgery, The Hadassah University Hospital
  • , Rami MoshieffAffiliated withDepartment of Orthopedic Surgery, The Hadassah University Hospital

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Abstract

In situ pinning with a single screw is the treatment of choice for symptomatic slipped capital femoral epiphysis (SCFE). Some technical features are critical and include proper screw entry point, screw direction in relation to the epiphysis, and the length of screw. These are complicated by the deformity created as a result of the posterior slip of the epiphysis. Fluoroscopic based computerized navigation system can increase precision in screw placement while performing the surgical task, and markedly reduce radiation. By using real fluoroscopy-based navigation, the screw can be placed with only two fluoroscopic images. Entry point, length, and precise direction can all be easily determined through this technique.

Key words

slipped capital femoral epiphysis computerized navigation in situ pinning