Vet Comp Orthop Traumatol 2012; 25(05): 385-389
DOI: 10.3415/VCOT-11-08-0109
Original Research
Schattauer GmbH

Evaluation of the dorsal acetabular coverage obtained by a modified triple pelvic osteotomy (2.5 pelvic osteotomy)

An ex vivo study on a cadaveric canine model
M. Petazzoni
1   Clinica Veterinaria Milano Sud, Peschiera Borromeo, Milano, Italy
R. Tamburro
2   Department of Veterinary Sciences, University of Bologna, Ozzano Dell'Emilia (Bo), Italy
T. Nicetto
1   Clinica Veterinaria Milano Sud, Peschiera Borromeo, Milano, Italy
M. P. Kowaleski
3   Cummings School of Veterinary Medicine, Tufts University, Boston MA, USA
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Received 03. August 2011

Accepted 16. Mai 2012

18. Dezember 2017 (online)


Objectives: To evaluate the acetabular ventroversion obtained with a modified triple pelvic osteotomy (2.5 PO) compared with that resulting from standard double pelvic osteotomy (DPO).

Study design: Ex vivo study.

Animals: Seven pelves obtained from skeletally mature dogs with a total body weight ranging from 26–41 kg were used.

Methods: Unilateral DPO technique and dorsal ischial mono-cortical osteotomy were performed on every right hemipelvis. Angular ventral rotation was measured by determining the relative orientation of two Kirschner wires placed in the ilial wing and in the dorsal acetabular rim.

Results: The mean angle of ventroversion was 9.5 ± 5.2 degrees for the DPO group (range 2.1–18.1) and 10.9 ± 4.8 degrees for the 2.5 PO group (range 4.1–19.5). The mean difference between the 2.5 PO and DPO was 1.5 ± 0.6 degrees (range 0.5–2.1).

Conclusions: The 2.5 PO technique increased acetabular ventroversion versus DPO.