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Synthes

Proximal Humerus Classification

From: Muller ME, et all, AO-ASIF Group

11 - Humerus Proximal

Hand Innovations

A1 Extra-articular unifocal fracture, tuberosity

  • For subdivision see AO Classification.
  • A1.1=greater tuberosity fx, Nondisplaced (<5mm displacement): Sling, start PT within 2 wks for passive ROM only.  Start strengthening, active ROM after fracture union is evident.
  • A1.2=greater tuberosity fx Displaced (displaced >5mm): CRPP vs ORIF (Flatow JBJS 73A 73:1213;1991).
  • A1.3=with GH dislocation: GH joint should be reduced ASAP. Greater tuberosity fractures are then treated based on the amount of displacement seen on post-reduction xrays.
  • See also Greater Tuberosity fracture.

Acumed Prox Humerus
Acumed Prx Hm Plate (T)

Biomet Prox Hum fx

Hand Innovatios S3 (T)

Stryker Numelock II Plate

Styker P2 Nail

Stryker SPS Locking plate

A2 Extra-articular unifocal fracture, impacted metaphyseal

  • For subdivision see AO Classification.
  • <66% translation: sling, start PT within 2 wks for passive ROM only.  Start strengthening, active ROM after fracture union is evident.
  • >66% translation: CRPP vs ORIF
A3 Extra-articular unifocal fracture, non-impacted metaphyseal
  • For subdivision see AO Classification.
  • <66% translation: sling, start PT within 2 wks for passive ROM only.  Start strengthening, active ROM after fracture union is evident.
  • >66% translation: CRPP vs ORIF
B1 Extra-articular bifocal fracture, with metaphyseal impaction
B2 Extra-articular Bifocal fracture, without metaphyseal impaction
B3 Extra-articular bifocal fracture, with GH dislocation
C1 Articular fracture, with slight displacement
    C2 Articular fracture, impacted with marked displacement
    C3 Articular fracture, with GH dislocation
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