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بنام خداوند جان وخرد. Classification of distal radius fx. H.Saremi.MD Orthopaedic surgeon,upper limb surgery fellowship Hamedan university of medical sciences HAMEDAN,IRAN. Distal radius fracture in the time of Hippocrates and Galen were thought to be wrist dislocations.
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Classification of distal radius fx H.Saremi.MD Orthopaedicsurgeon,upper limb surgery fellowship Hamedan university of medical sciences HAMEDAN,IRAN
Distal radius fracture in the time of Hippocrates and Galen were thought to be wrist dislocations
Pouteau first described DRF as a variety of forearm fractures in the French literature. Pouteau, C.: Oeuvres Posthumes de M Pouteau, Paris, P.D. Pierres, pp 251, 1783
Colles, A.: On the Fracture of the Carpal Extremity of the Radius. Edinburgh Med Surg, 10;182-186, 1814
Colles based his descriptions on clinical examinations alone, because X RAY was invented by Roentgen in 1899 .
DRFs are among the most common type of fracture The most common fx seen in the emergency departement Bimodal distribution 18-25 years high-energy injuries >65 years low-energy injuries
Frykman’s classification • 1967 • Useful,easy to learn,and communicate with collegues • NOT readily translate into prognostic or treatment utility
Melone’s classification • 1984 • Identified 4 major components • Attention on the medial(lunate)facet
AO classification • 1986 revised in1990 • Little interobserver agreement forr subdivisions
Rayhack’s classification • Intra or extra articular • Stable or unstable
Mayo clinic classification • Extra or intra articular • Reducible or irreducible
Fragment-specific classification • Medoff • Intra articularfx • 5 major fragments • Radial styloid • Dorsal wall • Impacted articular fragments • Dorsal ulnar corner(Die punch fragment) • Volar rim fragment
Columnar classification • RIKLI _REGAZZONI • Radial or lateral column Length and alignment Of the articular surface • Intermediate column Primary load bearing Dorsal die punch,impactedintraarticular,volarulnar corner • Medial column
Fernandez classification • Mechanism of injury
Observer agreement • AO-----------adequate for the main types • MYO---------moderate • Fair------------frykman,meloneAogroupes and subtypes