抄録
The Estimation of Physiologic Ability and Surgical Stress (E-PASS) scoring system is comprised of a preoperative risk score (PRS), a surgical stress score (SSS), and a comprehensive risk score (CRS) determined by both the PRS and SSS. We evaluated the surgical stress and post operative risk for 617 consecutive hip fractures treated by osteosynthesis (n=407) and hemiarthoplasty (n=210) using E-PASS, which were previously reported in relation to postoperative complications and the costs of hospital stay in hip fracture operations. The postoperative morbidity and mortality rates increased linearly with PRS and CRS, and correlated significantly with both the PRS (ρ=0.2, p<0.01) and CRS (ρ=0.2, p<0.01) . In contrast, neither the morbidity nor mortality rates correlated with SSS, and they showed no differences between hemiarthoplasty and osteosynthesis. These results suggest that surgical stress is greater in hemiarthoplasty than in osteosynthesis. However, postoperative risk did not differ between the operative methods.
