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Deveci et al: Evaluation of 3D‐printed patient‐specific guides to facilitate fluoroscopic‐assisted iliosacral screw placement in dogs
Veterinary Surgery 2, 2025

🔍 Key Findings

  • Objective: Evaluate feasibility and accuracy of 3D-printed patient-specific drill guides for iliosacral screw placement in cadaver dogs.
  • N = 10 canine cadavers (20 hemipelves); screw placement done using fluoroscopic-assisted patient-specific guides (PSG).
  • Median cortical breach grade: 0 (IQR 0–1) for all screws.
    19/20 screws breached sacral canal wall (all ≤ grade 2), but no screws breached canal contents (grade 3).
  • Median trajectory deviation: 0.88° transverse, 0.72° dorsal.
  • Procedure time: Median 7.2 minutes for guide placement and drilling.
  • Conclusions: PSG-assisted screw placement was safe, accurate, and fast, offering clinical potential in pelvic trauma.

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← Articles

Deveci et al: Evaluation of 3D‐printed patient‐specific guides to facilitate fluoroscopic‐assisted iliosacral screw placement in dogs
Veterinary Surgery 2, 2025

🔍 Key Findings

  • Objective: Evaluate feasibility and accuracy of 3D-printed patient-specific drill guides for iliosacral screw placement in cadaver dogs.
  • N = 10 canine cadavers (20 hemipelves); screw placement done using fluoroscopic-assisted patient-specific guides (PSG).
  • Median cortical breach grade: 0 (IQR 0–1) for all screws.
    19/20 screws breached sacral canal wall (all ≤ grade 2), but no screws breached canal contents (grade 3).
  • Median trajectory deviation: 0.88° transverse, 0.72° dorsal.
  • Procedure time: Median 7.2 minutes for guide placement and drilling.
  • Conclusions: PSG-assisted screw placement was safe, accurate, and fast, offering clinical potential in pelvic trauma.

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Multiple Choice Questions on this study

In Deveci 2025 et al., on 3D drill guides, what best describes the study’s primary conclusion?

A. Screw deviation was unacceptable
B. Guides increased risk of canal breach
C. Technique requires excessive operative time
D. Guides allowed accurate and safe screw placement
E. Method was inferior to freehand technique

Answer: Guides allowed accurate and safe screw placement

Explanation: The study concluded PSG-assisted technique was fast, accurate, and safe in a cadaveric model.
In Deveci 2025 et al., on 3D drill guides, what was the median time for screw guide placement and drilling?

A. 4.1 minutes
B. 5.5 minutes
C. 6.3 minutes
D. 7.2 minutes
E. 9.8 minutes

Answer: 7.2 minutes

Explanation: The full guide-assisted screw placement process took a median of 7.2 minutes.
In Deveci 2025 et al., on 3D drill guides, how many screws breached the sacral canal contents?

A. 0
B. 1
C. 2
D. 10
E. All 20

Answer: 0

Explanation: None of the 20 screws breached the canal contents, despite 19 breaching the canal wall (≤ grade 2).
In Deveci 2025 et al., on 3D drill guides, what was the median screw trajectory deviation in the transverse plane?

A. 0.45 degrees
B. 0.72 degrees
C. 0.88 degrees
D. 1.2 degrees
E. 2.0 degrees

Answer: 0.88 degrees

Explanation: The median angular deviation from plan was 0.88° transverse and 0.72° dorsal.
In Deveci 2025 et al., on 3D drill guides, what was the median grade of sacral canal wall cortical breach?

A. 0
B. 1
C. 2
D. 3
E. 4

Answer: 0

Explanation: All screws had cortical breaches ≤ grade 2, but the median breach grade was 0 (IQR 0–1).

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