Complications of porous-coated press-fit cementless total hip replacement in dogs

2016 ◽  
Vol 29 (05) ◽  
pp. 402-408 ◽  
Author(s):  
Christopher Preston ◽  
George Moore ◽  
Scott Kidd
Keyword(s):  
Total Hip Replacement ◽  
Complication Rate ◽  
Medical Records ◽  
Hip Replacement ◽  
Plate Fixation ◽  
Femoral Fractures ◽  
Major Complication ◽  
Total Hip ◽  
Press Fit ◽  
Cementless Total Hip Replacement

SummaryObjective: To report postoperative complications using a commercially available porous-coated press-fit cementless total hip replacement (THR) system in dogs.Methods: Medical records were reviewed for client-owned dogs with hip pathologies requiring THR. A minimum of six-week postoperative orthopaedic examination and orthogonal pelvic radiographs were used to assess outcome and complications in the perioperative period. Referring veterinarian medical records, phone interviews with clients, or both were used to assess long-term functional outcome and complications.Results: Bilateral THR was performed in 36 dogs, and unilateral in 147 dogs, making a total of 219 THR procedures in 183 dogs. A total complication rate of 31.1% (68/219) was observed. A catastrophic complication was observed in 8.2% (n = 18), a major complication in 9.6% (n = 21), and a minor complication in 13.2% (n = 29) of procedures. The most common complications were intra-operative femoral fissure (n = 46), diaphyseal femoral fracture (n = 15), and coxofemoral luxation (n = 9). Full return to function was achieved in 88.1% of procedures with a median follow-up period of 42 months.Clinical significance: Porous-coated press-fit cementless collarless total hip replacements have a high complication rate. The majority of complications occur intra-operatively or perioperatively, with few complications occurring beyond 12 weeks postoperatively. Both fissure fractures and diaphyseal femoral fractures carry a favourable prognosis with immediate cerclage wiring and plate fixation, respectively.

Treatment Outcomes for Periprosthetic Femoral Fractures in Cementless Press-Fit Total Hip Replacement

2020 ◽  
Vol 33 (05) ◽  
pp. 370-376
Author(s):  
Isobel C. Monotti ◽  
Christopher A. Preston ◽  
Scott W. Kidd
Keyword(s):  
Total Hip Replacement ◽  
Hip Replacement ◽  
Plate Fixation ◽  
Femoral Stem ◽  
Femoral Fractures ◽  
Total Hip ◽  
Press Fit ◽  
Periprosthetic Femoral Fractures ◽  
Bone Segment ◽  
Cementless Total Hip Replacement

Abstract Objective The aim of this study was to report outcomes in dogs with periprosthetic femoral fractures associated with a press-fit cementless femoral total hip replacement implant. Materials and Methods Electronic medical records and digital radiographs were used to identify dogs with periprosthetic femoral fractures associated with press-fit cementless total hip replacement. Data collected included signalment, weight, time of fracture, cause of fracture, presence of intra-operative fissure, fracture type, repair technique, and clinical and radiographic outcomes. Long-term patient outcome was assessed by communication with owners or referring veterinarians. Results Twenty-eight dogs with femoral fracture repair associated with cementless press-fit total hip replacement were identified. Eight of the fractures occurred intraoperatively and 20 occurred at a median of 2 days postoperatively. An oblique or spiral configuration was noted in 19 cases and 15 occurred at the distal end of the femoral stem (type B), with thirteen type B1, one type B2 and one type B3 fractures. Fractures were repaired with non-locking (18/28) or locking-plate fixation (10/28). Cerclage wire was applied around the plate and proximal bone segment in 17/28 dogs. Major complications occurred in 7/28 cases (five deep infection, two mechanical failures). Bone healing was noted in 21/23 cases, for which follow-up radiographic interpretation was available. Return to function was complete in 17 cases, acceptable in 8 cases and unacceptable in 3 cases. Conclusions While cementless total hip replacement periprosthetic femoral fractures can be successfully repaired with lateral plate fixation, the risk of infection appears to be high.

Complications of cementless total hip replacement

2010 ◽  
Vol 23 (06) ◽  
pp. 424-432 ◽  
Author(s):  
O. I. Lanz ◽  
S. R. Werre ◽  
D. W. Hummel
Keyword(s):  
Total Hip Replacement ◽  
Complication Rate ◽  
Hip Replacement ◽  
Prognostic Indicators ◽  
Categorical Variables ◽  
Complication Rates ◽  
Short Term ◽  
Total Hip ◽  
Indicators Of Success ◽  
Cementless Total Hip Replacement

SummaryCementless total hip implants are relatively new to the veterinary market and therefore complication rates and prognostic indicators associated with the procedure have not been thoroughly documented. The objective of this study was to determine the prevalence of complications and identify prognostic indicators of success or failure for the Zurich cementless total hip replacement (THR). Medical records of 163 dogs that underwent Zurich cementless-THR were reviewed continuous and categorical variables, clinical outcomes and complications were recorded. Complications were separated into intra-operative (IOC), short-term (STC), and long-term (LTC). Bivariate and multivariate statistical analysis was used to compare complications. The clini-cal significance of this study was to provide surgeons with prognostic indicators of success or failure when evaluating prospective Zurich cementless-THR patients, and to report the complication rate of Zurich cementlessTHR. The complication rates of Zurich cementless-THR were then compared to previously-reported complication rates of cemented-THR and other cementless-THR systems. Short-term complications, LTC, and IOC rates of Zurich cementless-THR were found to be 6.75%, 10.4%, and 11.0% respectively. The most common complications were intra-operative femoral fracture, luxation of the implant, and septic loosening of the implant. Increased body weight and prior cemented-THR or fe-moral head and neck ostectomy of the contra-lateral hip were identified as negative prognostic indicators. The overall complication rate identified was greater than those previously reported for other cementless- and cemented-THR systems.

Effect of proximal femoral bone support on the fixation of a press-fit noncemented total hip replacement femoral component

2012 ◽  
Vol 11 (1) ◽  
pp. 26-34
Author(s):  
Sophia N. Sangiorgio ◽  
Edward Ebramzadeh ◽  
Sean L. Borkowski ◽  
Daniel A. Oakes ◽  
Jeremy J. Reid ◽  
...  
Keyword(s):  
Femoral Component ◽  
Total Hip Replacement ◽  
Hip Replacement ◽  
Femoral Bone ◽  
Total Hip ◽  
Press Fit

METALLIC WEAR DEBRIS IN ACETABULAR OSTEOLYSIS IN A MECHANICALLY STABLE CEMENTLESS TOTAL HIP REPLACEMENT: REPORT OF A CASE

Orthopedics ◽  
1993 ◽  
Vol 16 (11) ◽  
pp. 1277-1281
Author(s):  
Michael H Huo ◽  
Foster Betts ◽  
George P Bogumill ◽  
Peter I Kenmore ◽  
Richard J Hayek ◽  
...  
Keyword(s):  
Total Hip Replacement ◽  
Hip Replacement ◽  
Wear Debris ◽  
Total Hip ◽  
Cementless Total Hip Replacement ◽  
Acetabular Osteolysis
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