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Jourdain et al: Fluoroscopically-assisted closed reduction and percutaneous fixation of sacroiliac luxations in cats using 2.4 mm headless cannulated compression screws: Description, evaluation and clinical outcome
Veterinary Surgery 4, 2024

🔍 Key Findings

  • Minimally invasive fluoroscopic technique yielded median reduction of 94.1% immediately postoperative.
  • Screw purchase ≥60% in sacral body achieved in 82% of cases, with median purchase of 73.3%.
  • One screw exited caudally; no dorsal, ventral, or cranial exits reported.
  • At 7-week follow-up, reduction and purchase slightly declined but remained effective (p = .008 and p = .013).
  • No screw loosening observed, even in suboptimal reductions or purchases.
  • Pelvic canal width and symmetry (PCDR and HCWR) were restored and maintained.
  • Excellent long-term function: FMPI ≥0.98 in 9 of 10 cats; owners reported 10/10 satisfaction.
  • Fluoroscopy enabled accurate screw placement and minimized tissue trauma, contributing to rapid recovery.

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← Articles

Jourdain et al: Fluoroscopically-assisted closed reduction and percutaneous fixation of sacroiliac luxations in cats using 2.4 mm headless cannulated compression screws: Description, evaluation and clinical outcome
Veterinary Surgery 4, 2024

🔍 Key Findings

  • Minimally invasive fluoroscopic technique yielded median reduction of 94.1% immediately postoperative.
  • Screw purchase ≥60% in sacral body achieved in 82% of cases, with median purchase of 73.3%.
  • One screw exited caudally; no dorsal, ventral, or cranial exits reported.
  • At 7-week follow-up, reduction and purchase slightly declined but remained effective (p = .008 and p = .013).
  • No screw loosening observed, even in suboptimal reductions or purchases.
  • Pelvic canal width and symmetry (PCDR and HCWR) were restored and maintained.
  • Excellent long-term function: FMPI ≥0.98 in 9 of 10 cats; owners reported 10/10 satisfaction.
  • Fluoroscopy enabled accurate screw placement and minimized tissue trauma, contributing to rapid recovery.

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Multiple Choice Questions on this study

In Jourdain 2024 et al., on fluoroscopic fixation of feline SIL, what percentage of screws had ≥60% purchase within the sacral body?

A. 52%
B. 64%
C. 71%
D. 82%
E. 95%

Answer: 82%

Explanation: 14 of 17 screw placements (82%) had ≥60% purchase within the sacral body, a threshold for biomechanical stability.
In Jourdain 2024 et al., on fluoroscopic fixation of feline SIL, how many screws exited the sacral body postoperatively?

A. 0
B. 1
C. 2
D. 3
E. 5

Answer: 1

Explanation: Only one screw exited caudally; no cranial, dorsal, or ventral exits were observed.
In Jourdain 2024 et al., on fluoroscopic fixation of feline SIL, what was the median postoperative reduction immediately after surgery?

A. 73.3%
B. 78.2%
C. 88.3%
D. 94.1%
E. 98.0%

Answer: 94.1%

Explanation: The median sacroiliac reduction immediately after surgery was 94.1%, with 11 of 17 procedures achieving ≥90%.
In Jourdain 2024 et al., on fluoroscopic fixation of feline SIL, what tool enabled accurate screw guidance during surgery?

A. C-arm with targeting jig
B. K-wire and laser guide
C. Custom 3D-printed drill guide
D. C-arm fluoroscopy with cannulated guide wire navigation
E. Open reduction via dorsolateral approach

Answer: C-arm fluoroscopy with cannulated guide wire navigation

Explanation: The headless cannulated screws were placed with fluoroscopic guidance over a guide wire.
In Jourdain 2024 et al., on fluoroscopic fixation of feline SIL, what was the long-term owner-reported satisfaction outcome?

A. 80% good to excellent
B. No cats recovered fully
C. One-third required reoperation
D. All cats reported poor function
E. All but one scored 10/10

Answer: All but one scored 10/10

Explanation: Owner-reported outcomes were excellent; all cats scored 10/10 except one that had prior amputation.

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