ArticleVeterinary surgery : VS2026
Subsidence of the BFX standard stem after canine total hip replacement: A case series of 177 consecutive procedures.
Article in Veterinary surgery : VS, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Subsidence of the BFX standard stem after canine total hip replacement: A case series of 177 consecutive procedures.Veterinary surgery : VS · 2026Article
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3 authors.
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Abstract
objectiveTo describe postoperative subsidence observed after total hip replacement (THR) with the BFX standard stem. STUDY
designRetrospective case series. SAMPLE POPULATION: A total of 177 THR procedures in 145 dogs.
methodsClinical and radiographic follow-up data were collected between 12 weeks and six months postoperatively. A proportion correction was used to calculate subsidence between immediate postoperative and follow-up radiographs. Canal flare index, coronal canal fill, sagittal canal fill, coronal stem orientation and sagittal stem orientation were measured.
resultsThere were 24/177 (13.6%) intra- and postoperative complications. Of these, 11/177 (6.2%) were stem complications. Eight stem complications were intraoperative femoral fissures; one fissure progressed to postoperative femoral fracture. Subsidence was associated with stem complications (p = .005) and was not associated with non-stem complications (p = .76) or prosthetic luxation (p = .07). There were seven stems with more than 5.0 mm of subsidence; of these only 1/7 had a stem complication. There were 26 stems with more than 3.0 mm of subsidence; of these only 3/26 had a stem complication. There was no association between any femoral or stem measurements and subsidence.
conclusionSubsidence of the BFX standard stem was associated with stem complications, which were mostly intraoperative femoral fissures. Thresholds of 3.0 and 5.0 mm were poorly predictive of complications, and substantial subsidence was often clinically inconsequential. CLINICAL SIGNIFICANCE: Cutoffs for excessive subsidence may have limited clinical utility. The significance of postoperative subsidence should be interpreted in the context of other clinical findings.
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