Is Stem Revision Necessary for Vancouver B2 Periprosthetic Hip Fractures? Analysis of Osteosynthesis Results from 39 Cases

Although stem revision is recommended for Vancouver B2 periprosthetic hip fractures (PPHFs), there has recently been a debate whether, under certain conditions, they could be treated by osteosynthesis alone. This study aimed to describe the medium-term clinical and radiological results of several patients with V-B2 fractures treated via osteosynthesis. A retrospective study of patients with V-B2 PPHF treated by osteosynthesis without stem revision, operated on between 2009 and 2019, was performed. The type of arthroplasty, type of stem, ASA, Charlson Comorbidity Index (CCI), medical and implant complications, reoperation rate, first-year mortality, radiological results (consolidation time), and functional results were analyzed. Thirty-nine patients were included. Their average age was 78.82 years. Most of the patients presented ASA ≥ 3 (35/39) and CCI ≥ 5 (32/39). Radiological consolidation was achieved in 93.5% of patients, with an average consolidation time of 92.93 days. The average Parker test score before admission was 5.84 while the current one was 4.92 (5.16 years follow-up). Osteosynthesis without stem revision is a valid surgical alternative in certain types of patients with V-B2 PPHF, depending on previous mobility, fracture pattern (anatomical reconstruction possible), anesthetic risk, comorbidities, and previous hip pain.