Correlation of radiological parameters with functional outcomes post fixation with proximal humerus locking plates
Bhavya Mathur1, Sundar Suriyakumar2, Karthikeyan Manickam1
1Department of Orthopaedic Surgery, Sri Ramachandra Institute of Higher Education and Research, Porur, Chennai, India.
International Orthopaedics
|September 30, 2024
Summary
Optimizing proximal humerus fracture fixation involves achieving specific radiological parameters. Higher neck shaft angles and improved medial hinge reduction correlate with better functional outcomes and shoulder range of motion.
Area of Science:
- Orthopedic surgery
- Traumatology
- Radiology
Background:
- Proximal humerus fractures are common, particularly in females, with surgical fixation using locking plates becoming prevalent.
- While surgical fixation offers benefits, high complication rates necessitate a deeper understanding of factors influencing long-term outcomes.
- Identifying key radiological parameters is crucial for enhancing surgical techniques and improving patient functional recovery.
Purpose of the Study:
- To analyze radiological parameters that predict favorable long-term functional outcomes in patients with proximal humerus fractures.
- To correlate specific radiographic measurements with functional scores and range of motion after surgical fixation.
- To advance surgical fixation skills by understanding the relationship between radiological parameters and functional results.
Main Methods:
- Retrospective analysis of 83 patients with proximal humerus fractures treated with locking plates.
- Radiological parameters assessed included neck shaft angle, head shaft angle, head diameter, head height, and greater tuberosity position.
- Functional outcomes were evaluated using the Constant Murley Score and shoulder range of motion.
Main Results:
- Patients with good to excellent Constant Murley Scores demonstrated significantly higher neck shaft angles, head shaft angles, head diameters, and head heights.
- A superior position of the greater tuberosity relative to the articular surface was associated with better functional scores.
- Adequate reduction of the medial hinge was linked to a lower incidence of valgus collapse and improved shoulder abduction.
Conclusions:
- Higher neck shaft and head shaft angles, larger head diameter and height, and superior greater tuberosity positioning predict good functional outcomes.
- Effective medial hinge reduction is critical for preventing complications like valgus collapse.
- These radiological parameters can guide surgeons in optimizing fixation for better long-term functional results in proximal humerus fractures.
Keywords:
Functional outcomesProximal Humerus Locking platesProximal humerus fracturesRadiological parametersMore Related Videos
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