Vancouver type B2 and B3 periprosthetic fractures treated with revision total hip arthroplasty. 2015

Tomas Amenabar, and Wael A Rahman, and Vineet V Avhad, and Ramiro Vera, and Allan E Gross, and Paul R Kuzyk
Instituto Traumatológico de Santiago, San Martín 771, Santiago, RM, 8340220, Chile. tomasamenabar@gmail.com.

OBJECTIVE Periprosthetic fractures are the fourth most common cause for hip revision and a devastating complication. Our purpose is to report results and quality of life following revision THA for Vancouver B2 and B3 fractures. METHODS This was a retrospective review from January 2000 to November 2012 to identify all revision THA performed for Vancouver types B2 and B3 that had a minimum follow-up of two years. Routine post-operative and radiographic evaluation to assess patient survival, implant failure, complications and quality of life was involved. Statistical analysis was made with the Kaplan-Meier survival curve with 95 % confidence interval and the log rank (Mantel-Cox) test. RESULTS A total of 76 fractures were included, with an average follow-up 74.4 months. Mean age at the revision surgery was 75.7 years (range, 41-97 years; SD, 12.4). Sixty-six cases were classified as Vancouver B2 and treated with distal fixation stem. Ten cases were Vancouver B3 and a proximal femoral allograft technique was used. The overall five-year Kaplan-Meier survival rate for the patients was 77.9 % (95 % CI, 67.4-88.4), and the ten-year rate was 65.1 % (95 % CI, 51.4-78.8). Five-year Kaplan-Meier survival rate for the implants was 89.6 % (95 % CI, 82.2-97); we presented seven failures. The mean SF-12 mental was 55.1 (range, 31-68; SD, 8.1) and the physical was 37.4 (range, 16-55; SD, 9.4). CONCLUSIONS Mortality rate after periprosthetic fractures is high as compared to other hip surgeries; our Kaplan-Meier analysis showed that it tends to plateau after five years. In our series the failure rate was low and occurred early in the post-operative period.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011788 Quality of Life A generic concept reflecting concern with the modification and enhancement of life attributes, e.g., physical, political, moral, social environment as well as health and disease. HRQOL,Health-Related Quality Of Life,Life Quality,Health Related Quality Of Life
D012086 Reoperation A repeat operation for the same condition in the same patient due to disease progression or recurrence, or as followup to failed previous surgery. Revision, Joint,Revision, Surgical,Surgery, Repeat,Surgical Revision,Repeat Surgery,Revision Surgery,Joint Revision,Revision Surgeries,Surgery, Revision
D005260 Female Females
D005264 Femoral Fractures Fractures of the femur. Femoral Fracture,Fracture, Femoral,Fractures, Femoral
D005269 Femur The longest and largest bone of the skeleton, it is situated between the hip and the knee. Trochanter,Greater Trochanter,Lesser Trochanter,Femurs,Greater Trochanters,Lesser Trochanters,Trochanter, Greater,Trochanter, Lesser,Trochanters,Trochanters, Greater,Trochanters, Lesser
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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