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[Surface width index of the distal radius joint surface]
1Unfallkrankenhaus der Allgemeinen Unfallversicherungsanstalt in Linz.
Handchirurgie, Mikrochirurgie, Plastische Chirurgie : Organ Der Deutschsprachigen Arbeitsgemeinschaft Fur Handchirurgie : Organ Der Deutschsprachigen Arbeitsgemeinschaft Fur Mikrochirurgie Der Peripheren Nerven Und Gefasse : Organ Der V
|January 1, 1991
Summary
A novel roentgenographic index quantifies distal radial joint surface widening in intraarticular fractures. This new measurement aids in assessing fracture severity and guiding treatment for distal radius injuries.
Area of Science:
- Orthopedic surgery
- Radiology
- Biomedical engineering
Background:
- Intraarticular distal radius fractures often involve complex joint surface involvement.
- Accurate assessment of distal radial joint surface widening is crucial for treatment planning and outcomes.
Purpose of the Study:
- To introduce and validate a new roentgenographic index for quantifying the breadth of the distal radial joint surface.
- To differentiate between normal and fractured distal radial articular surfaces using this index.
Main Methods:
- Measurement of the breadth of the carpal lunate bone and the distal articular surface of the radius on lateral X-ray views.
- Calculation of the quotient between these two measurements to derive the roentgenographic index.
- Statistical comparison of the index values between normal carpal joints and those with intraarticular fractures (AO classification C.2 and C.3).
Main Results:
- Normal carpal joints exhibited a mean index of 0.99 +/-0.05 (n=50).
- Intraarticular distal radius fractures (AO C.2, C.3) showed a significantly lower mean index of 0.83 +/-0.09 (n=39).
- The difference between normal and fractured joints was statistically significant (p < 0.001).
Conclusions:
- The developed roentgenographic index provides a reliable numerical value to measure distal articular surface widening in intraarticular radial fractures.
- This index offers a valuable tool for objective assessment of fracture severity and potential displacement.
- The findings support the utility of this index in clinical practice for evaluating distal radius fractures.