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Kirschner wire placement in scaphoid bones using fluoroscopic navigation: a cadaver study comparing conventional

Philippe A Liverneaux1, Anes Gherissi, Matthieu Beustes Stefanelli

  • 1Department of Hand Surgery, Strasbourg University Hospital, 10 Avenue Baumann, F-67403 Illkirch cedex, France. p.liverneaux@wanadoo.fr

The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS
|April 25, 2008
PubMed
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Fluoroscopic navigation (FN) for scaphoid fixation offers comparable accuracy to conventional methods (CF) but significantly reduces X-ray exposure. This technique shows promise for clinical application in scaphoid fixation procedures.

Area of Science:

  • Orthopedic Surgery
  • Surgical Navigation
  • Radiology

Background:

  • Scaphoid fixation traditionally uses a pin guide, verified by fluoroscopy, which involves irradiation and single-view limitations.
  • Conventional fluoroscopy (CF) for pin guide placement in scaphoid fixation poses challenges due to radiation exposure and inability to visualize multiple views simultaneously.

Purpose of the Study:

  • To compare the accuracy and efficiency of conventional fluoroscopy (CF) versus fluoroscopic navigation (FN) for pin guide placement during scaphoid fixation.
  • Evaluate the effectiveness of fluoroscopic navigation (FN) as an alternative to conventional fluoroscopy (CF) in scaphoid fixation.

Main Methods:

  • Eleven cadaveric upper limbs were utilized, with scaphoid fixation performed using either CF or FN techniques.
  • The study involved two groups: Conventional Fixation (CF) with four scaphoids and Fluoroscopic Navigation (FN) with seven scaphoids.

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Main Results:

  • Screw insertion accuracy was equivalent between the CF and FN groups.
  • The CF group experienced four times higher X-ray exposure time compared to the FN group.
  • The FN group exhibited a slightly longer overall surgical procedure duration.

Conclusions:

  • Fluoroscopic navigation (FN) demonstrates comparable accuracy to conventional methods in scaphoid fixation.
  • FN significantly reduces radiation exposure, making it a potentially beneficial technique for clinical practice.
  • The study suggests FN is a viable and advantageous approach for scaphoid fixation procedures.