Correction of Biapical Tibial Deformity by True Spherical Osteotomy, Modified Circular External Skeletal Fixation and Distraction Osteogenesis

Walmsley, Darby W.; Fitzpatrick, Noel; Black, Cameron

doi:10.1055/s-0039-1691781

Cited by 2 publications

(2 citation statements)

References 26 publications

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“…While only limited literature is available for its use in veterinary medicine, it has been used in deformity correction. 25,26 The spherical saw blade is biradial, and both surfaces of the arched blade have the same radius. Theoretically, the surfaces should match perfectly after the osteotomy is completed.…”

Section: Discussionmentioning

confidence: 99%

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Treatment of cranial cruciate ligament insufficiency and medial patellar luxation in a small‐breed dog with a true spherical osteotomy

Polajnar¹,

Szanto²,

Willmitzer³

et al. 2022

Vet Record Case Reports

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A 9-year-old, neutered, male, Cairn Terrier dog presented with a 3-year history of progressive pain and lameness of the right hindlimb. After an acute episode of severe pain and non-weight-bearing lameness, the dog was referred to our clinic for evaluation. The physical examination was unremarkable; the orthopaedic examination revealed a positive cranial drawer sign and medial patellar luxation grade 3/4. Orthogonal radiographs were taken. Chronic degenerative changes consistent with cranial cruciate ligament insufficiency and medial patellar luxation were noted. Preoperative planning was performed using veterinary preoperative planning software. A spherical osteotomy was performed to level the tibial plateau, correct the medial patellar luxation and improve a valgus deformity. The osteotomy was stabilised using a polyaxial 2.0 tibial plateau levelling osteotomy plate. At the 8-week postoperative follow-up examination, the dog had normal weight-bearing ability without evidence of lameness or pain.

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Section: Discussionmentioning

confidence: 99%

“…The spherical osteotomy was performed with a spherical saw blade (DomeSaw). While only limited literature is available for its use in veterinary medicine, it has been used in deformity correction 25,26 . The spherical saw blade is biradial, and both surfaces of the arched blade have the same radius.…”

Section: Discussionmentioning

confidence: 99%

Treatment of cranial cruciate ligament insufficiency and medial patellar luxation in a small‐breed dog with a true spherical osteotomy

Polajnar¹,

Szanto²,

Willmitzer³

et al. 2022

Vet Record Case Reports

View full text Add to dashboard Cite

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Tibial Torsion Malalignment in Small Dogs with Medial Patellar Luxation

Isono,

Harada,

Kanno

et al. 2024

Vet Comp Orthop Traumatol

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Objective Medial patellar luxation (MPL) is prevalent in small dogs; however, the causes vary, and few studies have reported tibial deformities. We aimed to conduct a detailed morphological investigation of internal tibial torsion and internal foot rotation and compare the results between MPL grades to better understand the pathogenesis of MPL. Study Design We performed a morphological study of the tibia and comparison with MPL grade, and established a new parameter, metatarsal orientation relative to the orientation of the tibial tuberosity, the proximal tibia metatarsal angle (PTMTA). The distal tibia metatarsal angle was also established, and tibial torsion angle (TTA), mechanical medial proximal tibial angle, medial distance of the tibial tuberosity/proximal tibial width, and crural rotation angle were compared among the grades of MPL. Results The PTMTA was significantly higher in grades 3 and 4 than in the normal group. TTA, medial distance of the tibial tuberosity/proximal tibial width, and mechanical medial proximal tibial angle were significantly higher in grade 4 than in the other grades, which is consistent with previous reports. A correlation was also observed between the PTMTA and the TTA. Conclusion The PTMTA functioned as a parameter that included elements of the distal tibia metatarsal angle, TTA, and medial distance of the tibial tuberosity/proximal tibial width, and is considered clinically useful because it can be visually ascertained during palpation. Our results may play a major role in surgical decision-making in the treatment of MPL.

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Correction of Biapical Tibial Deformity by True Spherical Osteotomy, Modified Circular External Skeletal Fixation and Distraction Osteogenesis

Cited by 2 publications

References 26 publications

Treatment of cranial cruciate ligament insufficiency and medial patellar luxation in a small‐breed dog with a true spherical osteotomy

Treatment of cranial cruciate ligament insufficiency and medial patellar luxation in a small‐breed dog with a true spherical osteotomy

Tibial Torsion Malalignment in Small Dogs with Medial Patellar Luxation

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