Surgical Management of Ulnar Metacarpal Base Fracture-Dislocations: A Systematic Review.

Closed reduction percutaneous pinning, open reduction percutaneous pinning, and open reduction internal fixation with CMC joint bridging or dorsal buttress plating are all well described, safe techniques with low complication rates. Early, accurate diagnosis of fourth and fifth CMC joint fracture-dislocations is crucial for optimizing hand function and postoperative outcomes.