Related Experiment Video
Updated: Nov 16, 2025
The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
Published on: September 7, 2022
Uniform criteria for total hip replacement surgery in patients with hip osteoarthritis: a decision tool to guide
Femke Atsma1, Olivier Molenkamp2, Heinse Bouma3
1Radboud University Medical Center, Radboud Institute for Health Sciences, Scientific Center for Quality of Healthcare, Geert Grooteplein Noord 21, P.O. Box 9101, 6500 HB Nijmegen, The Netherlands.
Insights
This study developed a decision tool for hip replacement surgery in osteoarthritis patients, improving consistency in care. The tool uses key clinical and radiological factors to guide surgical decisions.
Area of Science:
- Orthopedics
- Medical Decision Making
- Osteoarthritis Research
Background:
- Lack of uniform criteria for hip replacement surgery in osteoarthritis patients leads to care variation.
- The study addresses the need for standardized decision-making in hip replacement procedures.
- Variation in surgical practices can result in inappropriate care for hip osteoarthritis.
Purpose of the Study:
- To develop a consensus-based decision tool for hip replacement surgery.
- To standardize the criteria for performing hip replacement in patients with osteoarthritis.
- To support orthopedic surgeons in the decision-making process for hip surgery.
Main Methods:
- Consensus rounds with orthopedic surgeons to reassess 364 osteoarthritis patient files.
- Development of two prediction models: one excluding and one including radiological outcomes.
- Comparison of consensus group reassessment with actual treatment decisions.
Main Results:
- A prediction model without radiology identified age, flexion, internal rotation, and Hip disability and Osteoarthritis Outcome Score-quality of life as key predictors (AUC=0.86).
- A model including radiology identified age, internal rotation, and Kellgren and Lawrence severity score as key predictors (AUC=0.94).
- Both models demonstrated high discriminative power in predicting surgical indication.
Conclusions:
- A decision tool with uniform criteria for hip replacement surgery in osteoarthritis patients was developed.
- The tool is intended to guide physicians' clinical decisions regarding hip surgery.
- The tool should be used in conjunction with patient preferences and social context for comprehensive care.
Background:
Uniform criteria for performing hip replacement surgery in hip osteoarthritis patients are currently lacking. As a result, variation in surgery and inappropriateness of care may occur. The aim of this study was to develop a consensus-based decision tool to support the decision-making process for hip replacement surgery.
Methods:
Patients with a diagnosis of unilateral or bilateral osteoarthritis were included. Consensus rounds with orthopedic surgeons were organized to blindly reassess medical files and to decide whether surgery is indicated or not, based on all available pre-treatment information. We compared the outcomes obtained from the blind reassessment by the consensus group with the actual treatment. Furthermore, prediction models were fitted on the reassessment outcome to identify which set of clinical parameters would be most predictive and uniformly shared in the decision to operate.Two prediction models were fitted, one model without radiologic outcomes and one model where radiologic outcomes were included.
Results:
In total, 364 medical files of osteoarthritis patients were included and reassessed in the analyses. Key predictors in the prediction model without radiology were age, flexion, internal rotation and the Hip disability and Osteoarthritis Outcome Score-quality of life. The discriminative power was high (Area Under Receiver Operating Curve (AUC) = 0.86). Key predictors in the prediction model with radiology were age, internal rotation and Kellgren and Lawrence severity score (AUC = 0.94).
Conclusion:
The study yielded a decision tool with uniform criteria for hip replacement surgery in osteoarthritis patients. The tool will guide the clinical decision-making process of physicians on whether to perform hip surgery and should be used together with information about patient preferences and social context.
