Key result
Robot-assisted PFNA linked to ~32% less hidden blood loss versus traditional PFNA in elderly patients.
Why the study?
The study was conducted to assess the clinical outcomes of robot-assisted proximal femoral nail antirotation surgery in elderly patients with unstable femoral intertrochanteric fractures.
Does robot-assisted PFNA surgery reduce perioperative blood loss and improve clinical outcomes in elderly patients with unstable femoral intertrochanteric fractures compared to traditional PFNA surgery?
Cohort (n=151)
Yes
Does robot-assisted PFNA surgery reduce perioperative blood loss and improve clinical outcomes in elderly patients with unstable femoral intertrochanteric fractures compared to traditional PFNA surgery?
Robot-assisted PFNA surgery significantly reduces perioperative blood loss, shortens operation time, and improves functional recovery compared to traditional PFNA in elderly patients with unstable femoral intertrochanteric fractures.
Robot-assisted PFNA was associated with improved perioperative metrics and recovery in elderly UFIF; leaves open need for RCTs before practice change.
To assess the clinical outcomes of robot-assisted proximal femoral nail antirotation (PFNA) surgery in elderly patients with unstable femoral intertrochanteric fractures (UFIFs). 151 patients who underwent UFIF and PFNA surgery between January 2020 and May 2024 were analyzed retrospectively. Of these, 78 patients were treated with traditional PFNA surgery (control group), and 73 patients were treated with robot-assisted PFNA surgery (observation group). The observed indicators included visual analog pain scale (VAS) score, surgery time, PFNA operation time, tip-apex distance (TAD), intraoperative blood loss (IBL), perioperative hidden blood loss (PHBL), postoperative allogeneic blood transfusion rate (PABTR), hospital stay, time to first independent walking with crutches postoperatively, time to independent walking without crutches, and Harris hip function score (HHFS). There were no statistically significant differences in general condition between the two groups before surgery. Surgery time, PFNA operation time, IBL, PHBL, PABTR, TAD, hospital stay, time to first independent walking with crutches postoperatively, time to independent walking without crutches, VAS score, and HHFS were significantly improved in the observation group compared with the control group. Thus, compared with traditional PFNA surgery for UFIF in elderly patients, robot-assisted PFNA yields better outcomes in terms of the quality of PFNA surgery, surgical trauma, conserving clinical blood resources, and patient recovery.
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Lu et al. (2025) conducted a cohort in Unstable femoral intertrochanteric fractures (UFIFs) (n=151). Robot-assisted PFNA surgery vs. Traditional PFNA surgery was evaluated on Perioperative hidden blood loss (PHBL) in ml (p=0.012). Robot-assisted PFNA surgery significantly reduced perioperative hidden blood loss compared to traditional PFNA surgery (504.66 ml vs 744.23 ml, p=0.012) in elderly patients with unstable femoral intertrochanteric fractures.
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