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Objectives:
Canine hip dysplasia (CHD) is the most common cause of hip osteoarthritis in early life. The double pelvic osteotomy (DPO) is the preferred treatment for CHD in young dogs, but it requires two surgical approaches for the two osteotomies.
This study aimed to describe the mono-pelvic osteotomy (MPO) technique and evaluate its effectiveness in stabilizing the femoral head in dogs with CHD. We hypothesized that MPO would result in a sufficient increase in acetabular coverage for femoral head stabilization.
Methods:
The medical records of dogs that underwent MPO for hip dysplasia (HD) between December 2013 and December 2023 at two referral centers (H1 and H2) were reviewed.
The Norberg-Olson angle (NOA) and the percentage of acetabular coverage (PC) of the femoral head were measured and calculated.
Results:
A total of 189 dogs (328 MPOs) were included.
The median preoperative NOA and PC were 93.9° and 35.1%, respectively. The median immediate postoperative NOA and PC were 112.4° and 60.0%, respectively. showing a median increase of 17.9° for NOA and 21.0% for PC (P<0.0001).
The increase was more significant in dogs that underwent bilateral MPO (P=0.003).
Follow-up data were available for 173 dogs (296 MPOs) and 60 dogs (87 MPOs) at two and six months postoperatively, respectively. Fifty-three minimal radiographic complications were observed in 52 hips, primarily partial screw pull-out (n=41).
Conclusions:
Mono-pelvic osteotomy allowed sufficient acetabular ventroversion to restore normal joint congruity in dogs with hip dysplasia.
34th Annual Scientific Meeting proceedings
Stream:
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Session:
Date/Time: 30-11--0001 (00:00 - 00:00) | Location:
Date/Time: 30-11--0001 (00:00 - 00:00) | Location:
Mono-Pelvic Osteotomy for the Treatment of Hip Dysplasia in 189 Dogs (328 Hips; 2013–2023)
Haudiquet PH*, Schreiber K, Thibault A*
VetRef AniCura, surgical department, 49070 Angers-Beaucouze, France.
Objectives:
Canine hip dysplasia (CHD) is the most common cause of hip osteoarthritis in early life. The double pelvic osteotomy (DPO) is the preferred treatment for CHD in young dogs, but it requires two surgical approaches for the two osteotomies.
This study aimed to describe the mono-pelvic osteotomy (MPO) technique and evaluate its effectiveness in stabilizing the femoral head in dogs with CHD. We hypothesized that MPO would result in a sufficient increase in acetabular coverage for femoral head stabilization.
Methods:
The medical records of dogs that underwent MPO for hip dysplasia (HD) between December 2013 and December 2023 at two referral centers (H1 and H2) were reviewed.
The Norberg-Olson angle (NOA) and the percentage of acetabular coverage (PC) of the femoral head were measured and calculated.
Results:
A total of 189 dogs (328 MPOs) were included.
The median preoperative NOA and PC were 93.9° and 35.1%, respectively. The median immediate postoperative NOA and PC were 112.4° and 60.0%, respectively. showing a median increase of 17.9° for NOA and 21.0% for PC (P<0.0001).
The increase was more significant in dogs that underwent bilateral MPO (P=0.003).
Follow-up data were available for 173 dogs (296 MPOs) and 60 dogs (87 MPOs) at two and six months postoperatively, respectively. Fifty-three minimal radiographic complications were observed in 52 hips, primarily partial screw pull-out (n=41).
Conclusions:
Mono-pelvic osteotomy allowed sufficient acetabular ventroversion to restore normal joint congruity in dogs with hip dysplasia.
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