Measurement of finger stiffness in algodystrophy

Area of Science:

• Orthopedics
• Rheumatology
• Physical Medicine

Background:

• Joint stiffness and algodystrophy are common complications following hand injuries.
• Current diagnostic methods like arthrography can be invasive or less practical for routine outpatient assessment.
• Early and accurate diagnosis is crucial for effective management and understanding disease causation.

Purpose of the Study:

• To introduce a simple, non-invasive goniometry-based method for assessing hand joint stiffness and algodystrophy.
• To evaluate the diagnostic utility of goniometry, alone and combined with dolorimetry, for algodystrophy.
• To explore the potential timing and etiology of algodystrophy post-Colles' fracture.

Main Methods:

• Developed a simple goniometer technique to measure the range of motion at each finger joint.
• Assessed joint stiffness and compared findings with existing methods (arthrography).
• Combined goniometry with dolorimetry to evaluate diagnostic accuracy for algodystrophy.

Main Results:

• Goniometry demonstrated sensitivity in diagnosing algodystrophy.
• The combination of goniometry and dolorimetry significantly increased diagnostic specificity while maintaining sensitivity.
• Algodystrophy could be diagnosed as early as one week after a Colles' fracture.

Conclusions:

• The proposed goniometry method is a practical tool for outpatient assessment of hand joint stiffness and algodystrophy.
• Combined goniometry and dolorimetry offer a sensitive and specific diagnostic approach for algodystrophy.
• The findings suggest that the initial injury, not constitutional factors, is likely the primary cause of algodystrophy.