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Related Experiment Video

Updated: Jan 19, 2026

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Perioperative multi-system optimization protocol in elderly hip fracture patients: a randomized-controlled trial.

Sebastian Schmid1, Manfred Blobner1, Brigitte Haas1,2

  • 1Department of Anesthesiology and Intensive Care Medicine, School of Medicine, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675, Munich, Germany.

Canadian Journal of Anaesthesia = Journal Canadien D'Anesthesie
|September 19, 2019
PubMed
Summary

A perioperative multi-system optimization protocol did not significantly reduce postoperative complications in elderly hip fracture patients. The study may have been underpowered to detect a true treatment effect.

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Area of Science:

  • Geriatric Medicine
  • Surgical Outcomes
  • Critical Care Medicine

Background:

  • Hip fractures in the elderly are linked to high rates of postoperative morbidity and mortality.
  • Optimizing perioperative care is crucial for improving outcomes in this vulnerable population.

Purpose of the Study:

  • To evaluate the effectiveness of a perioperative multi-system optimization protocol in reducing postoperative complications in elderly patients with hip fractures.

Main Methods:

  • Elderly patients (≥ 60 years) with hip fractures were randomized to an intervention group (goal-directed hemodynamic management, optimized pain and nutrition, oxygen therapy) or a control group (standard care).
  • Postoperative complications, including cardiovascular, respiratory, neurologic, renal, and surgical events, were monitored during hospitalization.

Main Results:

  • The primary outcome, incidence of at least one postoperative complication, was 39% in the intervention group versus 49% in the control group (RR, 0.79; P = 0.23), not reaching statistical significance.
  • Secondary outcomes showed the intervention group received more fluid resuscitation (P < 0.001), had better mean arterial pressure control (P = 0.001), improved pain management (P < 0.001), and a potentially lower incidence of acute renal failure (P = 0.04).

Conclusions:

  • The implemented perioperative multi-system optimization protocol did not significantly decrease postoperative complications in elderly hip fracture patients.
  • The study may have been underpowered due to overestimation of the potential treatment effect, limiting the ability to demonstrate a significant benefit.