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Efficacy of Bisphosphonates in Total Hip Arthroplasty Patients: Systematic Review and Meta-Analysis
Alberto Di Martino1,2, Konstantinos Valtetsiotis1,2, Valentino Rossomando1,2
11st Orthopaedic and Traumatologic Clinic, IRCCS Rizzoli Orthopedic Institute, Via G.C. Pupilli 1, 40136 Bologna, Italy.
Abstract:
The scientific literature suggests that, if periprosthetic osteolysis (PPO) is not treated, it may have a negative impact on the results of a total hip replacement and possibly result in failure. This systematic review aimed to determine the efficacy of using bisphosphonates preventatively to limit PPO after a total hip arthroplasty (THA).
Methods:
A systematic review and meta-analysis were conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. A PICOS template was developed to ensure a structured approach. A search for relevant studies was performed across four databases, including Pubmed, Scopus, Embase, and Cochrane. They were all last searched on March 1st and were assessed using the Cochrane risk of bias tool for randomised studies.
Results:
The final analysis included seven studies with a total of 126 study group participants and 144 control group participants. The studies looked at Bony Mass Density in terms of bone loss on Gruen's femoral zones after THA in a bisphosphonate (treatment) and control group (placebo/no treatment). The analysis revealed a statistically significant difference (p < 0.05) in favour of the bisphosphonate group in many of the included studies at 6, 12, and 24 postoperative months.
Conclusions:
This systematic review and meta-analysis, using the most recent applicable studies, showed the efficacy of bisphosphonates in limiting periprosthetic osteolysis after THA in a period between 6 and 24 postoperative months. Future studies should focus increasing group sizes and collecting results beyond the 2-year mark.
