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Redolfi et al: Complications and Long-Term Outcomes after Combined Tibial Plateau Leveling Osteotomy and Tibial Tuberosity Transposition for Treatment of Concurrent Cranial Cruciate Ligament Rupture and Grade III or IV Medial Patellar Luxation
Veterinary and Comparative Orthopedics and Traumatology 1, 2024

🔍 Key Findings Summary

  • Study of 24 stifles in 22 dogs with concurrent CCLR and grade III–IV MPL treated via TPLO-TTT
  • Major complications: 4/24 (3 surgical site infections, 1 MPL reluxation); minor complications: 5/24
  • Long-term follow-up (median 27 months): 21/22 dogs sound, 23/24 stifles resolved
  • Patellar ligament thickening observed post-op in 4 cases, resolved with rehab
  • The only case of MPL reluxation involved untreated tibial torsion, suggesting case selection is critical

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← Articles

Redolfi et al: Complications and Long-Term Outcomes after Combined Tibial Plateau Leveling Osteotomy and Tibial Tuberosity Transposition for Treatment of Concurrent Cranial Cruciate Ligament Rupture and Grade III or IV Medial Patellar Luxation
Veterinary and Comparative Orthopedics and Traumatology 1, 2024

🔍 Key Findings Summary

  • Study of 24 stifles in 22 dogs with concurrent CCLR and grade III–IV MPL treated via TPLO-TTT
  • Major complications: 4/24 (3 surgical site infections, 1 MPL reluxation); minor complications: 5/24
  • Long-term follow-up (median 27 months): 21/22 dogs sound, 23/24 stifles resolved
  • Patellar ligament thickening observed post-op in 4 cases, resolved with rehab
  • The only case of MPL reluxation involved untreated tibial torsion, suggesting case selection is critical

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Multiple Choice Questions on this study

In Redolfi 2024 et al., what implant configuration was most commonly used to stabilize the tibial tuberosity?

A. Screws and plate only
B. Figure-of-eight wire only
C. Two screws and a Kirschner wire
D. Two pins only
E. Pins and tension band wire

Answer: Pins and tension band wire

Explanation: 21/24 stifles had pin and tension band wire fixation of the tibial tuberosity
In Redolfi 2024 et al., which complication was **not** observed in the TPLO-TTT cohort?

A. Patellar reluxation
B. Tibial tuberosity fracture
C. Surgical site infection
D. Patellar ligament thickening
E. Muscle contracture

Answer: Tibial tuberosity fracture

Explanation: No tibial tuberosity fractures occurred in any of the 24 stifles
In Redolfi 2024 et al., what factor contributed to the single case of MPL reluxation?

A. Obesity
B. Implant failure
C. Improper osteotomy depth
D. Unaddressed internal tibial torsion
E. Early weight-bearing

Answer: Unaddressed internal tibial torsion

Explanation: Retrospective review showed the dog had mild tibial torsion not corrected at surgery
In Redolfi 2024 et al., what was the long-term rate of MPL resolution following TPLO-TTT?

A. 19/24 stifles
B. 20/24 stifles
C. 21/24 stifles
D. 23/24 stifles
E. 24/24 stifles

Answer: 23/24 stifles

Explanation: Long-term exam showed 23 of 24 stifles had resolved MPL; one dog had asymptomatic grade II reluxation
In Redolfi 2024 et al., what was the most common major complication observed after TPLO-TTT?

A. Tibial tuberosity fracture
B. Patellar tendon rupture
C. Implant migration
D. Surgical site infection
E. Recurrent patellar luxation

Answer: Surgical site infection

Explanation: Surgical site infections occurred in 3/24 stifles; the most frequent major complication

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