Total Hip Replacement

Total hip replacement is a highly technical surgery that is one of the most challenging performed by veterinary orthopaedic surgeons. Like any complex surgery to achieve the best possible outcome it is important that the surgeons in charge are experienced in performing the procedure. Harry is one of the most experienced surgeons in the country having performed more than a thousand canine THRs over the last 25 years.

We use BioMedtrix prostheses that were first developed in America in the 1980s and modified frequently over the decades as technology and understanding have progressed. There are a number of other types of veterinary hip replacement prosthesis but BioMedtrix is recognised as the world’s leading manufacturer. Over 54,000 BioMedtrix hips have been implanted, with more than 400 surgeons in 25 countries using this system.

For many years hip prostheses in dogs and humans have been cemented in place using an acrylic cement, known as bone cement. However, over the last decade or so implants that do not involve the use of cement have become increasingly popular in humans and in dogs. Cementless hip implants are ‘press fit’ and rely on bone growth into pores in the implant surface to keep them in place. The main advantage of cementless implants is that they are much less likely to loosen over time, a feature that is particularly important in young active patients. Avoiding the use of cement also reduces the risk of infection because there is less foreign material implanted into the patient. At Wessex Veterinary Orthopaedics we use cementless prostheses almost exclusively.

The success rate of surgery is high but like all major surgical procedures there is a risk of complications. Complications occur in about 10% of cases but if managed correctly the majority of these patients will still have a good outcome. Overall around 97% of dogs will have excellent limb function after the operation and once rehabilitated can return to full activity levels.

The main indication for THR in dogs is hip dysplasia. Other reasons for performing THR include recurrent dislocations of the hip and fractures that are not amenable to repair. All candidates for joint replacement surgery are carefully assessed prior to surgery and this includes a full and frank discussion of potential complications and the importance of postoperative care with the client.

We were among the first to offer a guarantee to cover the costs of complications (T&Cs apply) when we worked together at another centre and we are pleased to offer this peace-of-mind at Wessex Veterinary Orthopaedics.