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ORIF linked to higher reoperation risk than acute THA/CHP in older patients with acetabular fractures

ORIF linked to higher reoperation risk than acute THA/CHP in older patients with acetabular…
Photo by Towfiqu barbhuiya / Unsplash
Key Takeaway
Consider acute THA/CHP over ORIF in older patients with acetabular fractures to reduce reoperation risk, but watch for dislocation.

This systematic review and meta-analysis compared outcomes of open reduction internal fixation (ORIF) versus acute total hip arthroplasty or hemiarthroplasty (THA/CHP) in 949 patients aged 60 years and older with acetabular fractures. The primary outcome was not reported; secondary outcomes included reoperation, post traumatic osteoarthritis, dislocation, and Harris Hip Scores.

Reoperation was significantly more common after ORIF (RR 2.60; 95% CI 1.42 to 4.75; P = 0.002). Post traumatic osteoarthritis occurred in 34% of ORIF patients. Dislocation occurred in 8% of THA/CHP patients. Harris Hip Scores were higher in the arthroplasty group (mean difference -6.11; 95% CI -9.90 to -2.31; P = 0.002). Notably, ORIF patients were younger (mean difference -4.14 years; P < 0.01) and had lower American Society of Anesthesiologists scores (P = 0.02), suggesting potential selection bias.

The authors did not report specific limitations, but the observational nature of included studies and baseline differences between groups limit causal inference. For older patients with acetabular fractures, acute arthroplasty may reduce reoperation risk and improve functional outcomes, though dislocation risk is higher. Individualized surgical decision-making remains essential.

Study Details

Study typeMeta analysis
Sample sizen = 949
EvidenceLevel 1
Follow-up720.0 mo
PublishedJun 2026
View Original Abstract ↓
BACKGROUND: Acetabular fractures in the elderly are increasingly common and associated with high morbidity and mortality. Although open reduction and internal fixation (ORIF) has been the mainstay of treatment, elderly outcomes have been less consistent. Acute total hip arthroplasty (THA), with or without fixation (combined hip procedure, CHP), is an alternative approach that may facilitate earlier mobilization and reduce early reoperation. This systematic review and meta-analysis compared outcomes of ORIF versus acute THA/CHP for acetabular fractures in patients aged 60 years and older. METHODS: A systematic review was performed per the Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines. Databases were searched from 2000 to the present. Comparative studies reporting outcomes for ORIF and THA/CHP in patients aged ≥ 60 years were included. Reviewers independently screened and extracted data on demographics, interventions, complications, functional outcomes, and patient-reported outcome measures. Pooled incidence rates, risk ratios (RRs), and mean differences (MDs) were calculated using random-effects models. There were 13 studies and 949 patients (ORIF: 620; THA/CHP: 329) included. The pooled mean age was 74 years (range, 60 to 93). The ORIF patients were younger (MD: -4.14 years; P < 0.01) and had lower American Society of Anesthesiologists scores (P = 0.02). RESULTS: Reoperation was more common after ORIF (RR: 2.60; 95% confidence interval [CI]: 1.42 to 4.75; P = 0.002), with 84% of conversions due to posttraumatic osteoarthritis. The median time to conversion THA was 14.7 months. The post traumatic osteoarthritis incidence was 34% following ORIF; dislocation occurred in 8% of THA/CHP patients. Harris Hip Scores at one to 2 years postoperatively were higher in the arthroplasty group (MD -6.11; 95% CI: -9.90 to -2.31; P = 0.002). CONCLUSIONS: Acute THA/CHP may offer a viable treatment option in the elderly, demonstrating lower reoperation rates and improved function compared to ORIF.
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