Dual mobility canine total hip prosthesis: Implant characteristics and surgical procedure

Guillaumot, Pierre; Autefage, A.; Palierne, Sophie; Dembour, Thierry; Chancrin, Jean-Luc

doi:10.3415/vcot-11-11-0157

Cited by 5 publications

(4 citation statements)

References 15 publications

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“…[16][17][18] In the veterinary field, the only documented use of a DM cup is reported by Guillaumot and colleagues. 19,20 In his second publication, a cemented DM cup prosthesis was implanted in dogs, and no dislocation was experienced in 50 consecutive cases. 20 The overall rate of dislocation following a THA depends on several aspects, such as appropriate positioning of the implants, orientation and offset of the acetabular and femoral implants and the preservation of the local soft tissues.…”

Section: Introductionmentioning

confidence: 99%

Zurich Cementless Dual Mobility Cup for Canine Total Hip Prosthesis: Implant Characteristics and Surgical Outcome in 105 Cases

Lanz

Forzisi²,

Vezzoni³

2021

Vet Comp Orthop Traumatol

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Dislocation after total hip arthroplasty (THA) remains a troublesome complication, and a source of frustration for the owner and the surgeon. The dislocation rate of hip prostheses in dogs is reported to range from 4 to 15%, representing the most common short-term complication. This is especially true in large and giant breed dogs, usually requiring revision surgery. With the increase in the number of THA being performed in veterinary surgery, reducing or preventing complications such as postoperative THA dislocation will be of paramount importance. The Zurich cementless dual mobility (DM) system allows impingement-free range of angulation of 80 to 132 degrees between the ceramic head and the polyether ether ketone (PEEK) cup when combined with the range of the PEEK cup in the outer metal cup. In this article, we review the use of the DM cup in THA in large and giant breed dogs, in terms of its history, biomechanics, outcomes and complications based on 105 cases.

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Section: Introductionmentioning

confidence: 99%

Zurich Cementless Dual Mobility Cup for Canine Total Hip Prosthesis: Implant Characteristics and Surgical Outcome in 105 Cases

Lanz

Forzisi²,

Vezzoni³

2021

Vet Comp Orthop Traumatol

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“…Based on the ALO reduction results of DPO (À11 ) and TPO (À23 ), the choice of technique could be determined by the ALO at the time of luxation. 12 The aim would be to reach the recommended values (35)(36)(37)(38)(39)(40)(41)(42)(43)(44)(45) ). However, it has been seen previously that these values alone are not sufficient to prevent a recurrence of luxation.…”

Section: Discussionmentioning

confidence: 99%

“…Dual mobility cups have also been of major interest in humans, and studies in dogs suggested that they were effective in preventing luxation. 4,6,[38][39][40] These hypothetical recommendations should be investigated in future studies of THR luxations.…”

Section: Discussionmentioning

confidence: 99%

“…Finally, in the case of patients with highly luxoid hips, early explantation should be discussed with the owners, as the prognosis may be poor. Dual mobility cups have also been of major interest in humans, and studies in dogs suggested that they were effective in preventing luxation 4,6,38–40 . These hypothetical recommendations should be investigated in future studies of THR luxations.…”

Section: Discussionmentioning

confidence: 99%

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Poor success rates with double pelvic osteotomy for craniodorsal luxation of total hip prosthesis in 11 dogs

Thibault,

Haudiquet

2023

Veterinary Surgery

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ObjectiveTo report the outcome of double pelvic osteotomy (DPO) for craniodorsal luxation of total hip replacement (THR).Study designRetrospective case series.AnimalsEleven client‐owned animals.MethodsDogs with craniodorsal luxation of THR and high angle of lateral opening (ALO) were considered candidates for DPO. The ALO and the version angle (VA) were measured on pre‐ and post‐DPO radiographs. Pre‐ and post‐DPO ALO and VA were compared using a Wilcoxon signed‐rank test. Clinical and radiographic outcomes were assessed at 2 and 6 months post‐DPO.ResultsEleven DPOs were performed on 11 dogs after THR luxation. The ALO was reduced from a median of 66.2° (range 37.3–73.1°) to 55.9° (range 13.2–60.0°) (p ≤ .001), and VA increased from a median of 25.6° (range 6.8–51.9°) to 35.3° (range 15.1–51.7°) (p ≤ .03). Craniodorsal luxation recurred in five dogs and was managed with closed reduction (one dog), capsulorrhaphy (one dog), or repositioning of the acetabular cup (three dogs). The median clinical follow‐up duration was 19.7 months (range 3.4–73.0). In the long term, seven dogs required explantation (five aseptic loosenings, two infections) (median 8.2 months, range 2.6–50.6).ConclusionReluxation was frequent after DPO, 5/11 dogs requiring additional procedures, including three cup revisions. The long‐term outcome was considered to be poor due to frequent explantation.Clinical significanceDouble pelvic osteotomy may be considered to avoid cup replacement when managing craniodorsal THR luxations in dogs but is not recommended due to high complication rates.

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Dual Mobility Cup for Revision of Dislocation of a Hip Prosthesis in a Dog with Chronic Hip Dislocation

Jeong

Lee

2022

J Vet Clin

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A 6-year-old, 36.5 kg castrated male Golden Retriever presented for revision surgery for left total hip replacement. The patient underwent removal of the cup and head implants due to unmanageable prosthetic hip dislocation, despite revision surgery. On physical examination, the dog showed persistent weight-bearing lameness after exercise of the left hindlimb with mild muscle atrophy. Radiographic examination revealed dorsolateral displacement of the femur with a remnant stem and bony proliferation around the cranial and caudal acetabulum rims. The surgical plan was to apply the dual mobility cup to increase the range of motion and jump distance to correct soft tissue elongation and laxity caused by a prolonged period of craniodorsal dislocation of the femur. The preparation of the acetabulum for cup fixation was performed with a 29-mm reamer, and the 29.5-mm outer shell was fixed with five 2.4-mm cortical screws. The head and medium neck of the dual-mobility system were placed on the cup, and the hip joint was reduced between the neck and stem. The dog exhibited slight weight bearing on a controlled leash walk the day after surgery. The patient was discharged 2 weeks postoperatively without any complications. Six months postoperatively, osseointegration and a well-positioned cup implant were observed, and the dog showed excellent limb function without hip dislocation until 18 months of phone call follow-up.

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Dual mobility canine total hip prosthesis: Implant characteristics and surgical procedure

Cited by 5 publications

References 15 publications

Zurich Cementless Dual Mobility Cup for Canine Total Hip Prosthesis: Implant Characteristics and Surgical Outcome in 105 Cases

Zurich Cementless Dual Mobility Cup for Canine Total Hip Prosthesis: Implant Characteristics and Surgical Outcome in 105 Cases

Poor success rates with double pelvic osteotomy for craniodorsal luxation of total hip prosthesis in 11 dogs

Dual Mobility Cup for Revision of Dislocation of a Hip Prosthesis in a Dog with Chronic Hip Dislocation

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