Use of computed tomography in standing position to identify guidelines for screw insertion in the distal phalanx of horses: an ex vivo study.

This research compares the precision and operative time of radiography and computed tomography (CT) when identifying guidelines for screw insertion in the distal phalanx of horses. The study found that standing CT was not only more accurate, but also significantly reduced operative time, suggesting its potential for improved treatment of sagittal fractures of the distal phalanx.

Overview of the Research Study

• This experimental ex vivo study examined the use of radiography and computed tomography (CT) in a standing position as preparatory measures for screw insertion in the distal phalanx of horse cadavers.
• Two groups were evaluated, one using radiography and the other using CT to determine the site, direction, and length of the implant. Both techniques aimed to ensure that the screw did not penetrate the articular surface, the solar surface, or the semilunar canal.
• The accuracy of screw placement was verified through specimen dissection.

Research Findings

• The study found that standing CT was more accurate than radiography in identifying guidelines for screw insertion. No screw penetration of the articular surface, the solar surface or the semilunar canal was observed in either group.
• In addition to being more accurate, standing CT also significantly reduced surgical time compared to radiography. On average, procedures using CT took 7.7 minutes, while those using radiography took 12.7 minutes.

Implications of the Research

• The findings suggest that standing CT can be effectively used to identify anatomical landmarks for screw insertion in lag fashion in sagittal fractures of the distal phalanx. This suggests it could improve treatment outcomes for these types of fractures.
• Moreover, the decrease in operative time achieved with standing CT could potentially make surgical procedures more efficient, which is beneficial for both the surgeon and the patient.