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Rodiño Tilve et al: Long‐term follow up of 44 cats undergoing total hip replacement: Cases from a feline hip registry (2010–2020)
Veterinary Surgery 5, 2022

🔍 Key Findings

From “Long-term follow up of 44 cats undergoing total hip replacement” by Rodiño Tilve et al.

  • Slipped capital femoral epiphysis (SCFE) was the most common surgical indication (61%, 34/56 hips), primarily affecting young neutered male cats.
  • All THRs used cemented micro/nano BioMedtrix implants; most common femoral stem was size #3, and most common acetabular cup was 12 mm.
  • Postoperative complication rate was 19.6% (11/56) with 9 major complications (luxation most common), and no intraoperative complications reported.
  • All luxations occurred in hips implanted with femoral neck +0 mm length implants.
  • Second luxations were more common when revision used same implant size; use of larger implants reduced reluxation rates.
  • FMPI-sf score improved significantly from median 2.111 pre-op to 0.111 post-op (P < .001), indicating reduced pain and improved function.
  • Very high owner satisfaction: 91% (30/33) reported outcome as "very good."
  • No significant associations found between complications and variables like weight, sex, implant size, or surgical indication.

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← Articles

Rodiño Tilve et al: Long‐term follow up of 44 cats undergoing total hip replacement: Cases from a feline hip registry (2010–2020)
Veterinary Surgery 5, 2022

🔍 Key Findings

From “Long-term follow up of 44 cats undergoing total hip replacement” by Rodiño Tilve et al.

  • Slipped capital femoral epiphysis (SCFE) was the most common surgical indication (61%, 34/56 hips), primarily affecting young neutered male cats.
  • All THRs used cemented micro/nano BioMedtrix implants; most common femoral stem was size #3, and most common acetabular cup was 12 mm.
  • Postoperative complication rate was 19.6% (11/56) with 9 major complications (luxation most common), and no intraoperative complications reported.
  • All luxations occurred in hips implanted with femoral neck +0 mm length implants.
  • Second luxations were more common when revision used same implant size; use of larger implants reduced reluxation rates.
  • FMPI-sf score improved significantly from median 2.111 pre-op to 0.111 post-op (P < .001), indicating reduced pain and improved function.
  • Very high owner satisfaction: 91% (30/33) reported outcome as "very good."
  • No significant associations found between complications and variables like weight, sex, implant size, or surgical indication.

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Multiple Choice Questions on this study

In Rodiño Tilve 2022 et al., on feline THR outcomes, what was the most common indication for surgery?

A. Femoral neck metaphyseal osteopathy
B. Hip dysplasia
C. Chronic hip luxation
D. Slipped capital femoral epiphysis
E. Femoral head fracture

Answer: Slipped capital femoral epiphysis

Explanation: SCFE was the most common indication, present in 34 of 56 THRs.
In Rodiño Tilve 2022 et al., on feline THR outcomes, what femoral implant size was most commonly used?

A. #1 + 2 mm
B. #2
C. #3
D. #3 + 0 mm
E. #3 + 2 mm

Answer: #3

Explanation: Implant size #3 was used in 46 of 56 THRs, making it the most common.
In Rodiño Tilve 2022 et al., on feline THR outcomes, which implant feature was associated with all luxation complications?

A. Acetabular cup size 14 mm
B. Femoral stem size #2
C. Use of monoblock design
D. Femoral neck extension +0 mm
E. Cement vacuum-mixed technique

Answer: Femoral neck extension +0 mm

Explanation: All luxations occurred in implants using femoral neck +0 mm, though not all such implants luxated.
In Rodiño Tilve 2022 et al., on feline THR outcomes, what percentage of owners reported a “very good” outcome?

A. 76.5%
B. 82.0%
C. 86.4%
D. 90.9%
E. 100%

Answer: 90.9%

Explanation: 30 of 33 owners (91%) reported the outcome as "very good."
In Rodiño Tilve 2022 et al., on feline THR outcomes, what was the median postoperative FMPI-short form score?

A. 2.111
B. 1.555
C. 0.111
D. 1.222
E. 0.888

Answer: 0.111

Explanation: The FMPI-sf improved from 2.111 pre-op to 0.111 post-op (P < .001).

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