Classifying glenohumeral synovitis: a novel intraoperative scoring system
Daniel E Davis1, Mitchell Maltenfort1, Joseph A Abboud1
1Rothman Institute at Thomas Jefferson University, Philadelphia, PA, USA.
Journal of Shoulder and Elbow Surgery
|July 28, 2017
Summary
A new classification system for shoulder synovitis shows excellent reliability among orthopedic surgeons. This reliable system will aid future research on synovitis and its impact on patient outcomes.
Area of Science:
- Orthopedic Surgery
- Rheumatology
- Medical Imaging
Background:
- Shoulder synovitis is a prevalent condition lacking standardized description.
- Existing knowledge gaps hinder research into synovitis and its clinical impact.
Purpose of the Study:
- To develop a simple and reliable classification system for glenohumeral synovitis.
- To establish a reproducible method for assessing shoulder synovitis in clinical practice and research.
Main Methods:
- Nineteen fellowship-trained orthopedic surgeons evaluated 20 shoulder arthroscopy videos.
- Surgeons rated synovitis based on capsule color, villous projections, capillaries, and axillary recess.
- A 0-6 scoring system was used, with videos re-evaluated for inter-observer and intra-observer reliability.
Main Results:
- The study achieved excellent inter-observer reliability for the synovitis classification system.
- Patient-related factors accounted for 68% of score variation; observer variation was only 4%.
- Surgeon experience and specialty did not significantly impact scoring reliability.
Conclusions:
- A novel, reliable classification system for shoulder synovitis was established.
- The system demonstrates excellent reliability across surgeons with varied experience and training.
- High intra-observer reliability was confirmed, indicating consistent assessment by individual surgeons.
