Vet Comp Orthop Traumatol 2020; 33(01): 059-065
DOI: 10.1055/s-0039-1700565
Clinical Communication
Georg Thieme Verlag KG Stuttgart · New York

Use of a Modified Tibial Plateau Levelling Osteotomy with Double Cut and Medial Crescentic Closing Wedge Osteotomy to Treat Dogs with Cranial Cruciate Ligament Rupture and Tibial Valgus Deformity

1   Surgical Department, Clinica Veterinaria Vezzoni, Cremona, Italy
,
Sara Bazzo
2   Surgical Department, Clinica Veterinaria Malpensa, Samarate, Italy
,
Silvia Boiocchi
1   Surgical Department, Clinica Veterinaria Vezzoni, Cremona, Italy
,
Aldo Vezzoni
1   Surgical Department, Clinica Veterinaria Vezzoni, Cremona, Italy
› Author Affiliations
Further Information

Publication History

27 December 2018

20 July 2019

Publication Date:
22 November 2019 (online)

Abstract

Objective The aim of this study was to report efficacy of a modified tibial plateau levelling osteotomy (TPLO) with double cut and medial crescentic closing wedge osteotomy (TPLO/MCCWO) to treat dogs with cranial cruciate ligament rupture and concurrent tibial valgus.

Study Design This study was a cases series.

Materials and Methods Medical records of dogs that had TPLO with medial crescentic closing wedge osteotomy were reviewed. Data collected included signalment, body weight, pre- and postoperative tibial valgus angle, tibial plateau angle (TPA), surgical planning, corrective osteotomy technique, method of fixation, complications, and length of time to radiographic healing.

Results Fifty-two surgical procedures performed in 45 dogs (7 bilateral) were included in the study. Mean age at surgery was 54 months, and body weight ranged from 5 to 63 kg (mean: 36.5 kg). Mean pre- and postoperative mechanical medial proximal tibial angle were 101° (98°–107°) and 92.80° (88°–97°) respectively. The mean pre- and postoperative TPA were 27.80° (16–35°) and 6.50° (3–11°) respectively. Intraoperative complications occurred in two stifles: in one stifle over-rotation of the proximal tibial segment resulted in a TPA of –8°, with immediate revision to a 5° TPA; in the second stifle a fissure of the lateral tibial cortex developed during insertion of a screw and required adjunctive fixation. No postoperative complications were recorded and all osteotomies healed uneventfully.

Conclusions Tibial plateau levelling osteotomy/medial crescentic closing wedge osteotomy is an effective treatment for dogs with cranial cruciate ligament rupture and tibial valgus allowing accurate correction of the tibial deformity with a low complication rate.

Authors' Contributions

Luca Vezzoni and Aldo Vezzoni contributed to conception of study, study design, acquisition of data and data analysis and interpretation. Silvia Boiocchi contributed to acquisition of data. Bazzo Sara contributed to conception of study, study design and acquisition of data. All authors drafted, revised and approved the submitted manuscript.


 
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