Dr yuranga weerakkody ◉ and r bronson et al. If the shaft of the bone is broken and/or the soft tissues around the. With bennett's fracture, a small part of the metacarpal bone will remain attached to the volar ligament, whilst the main part of the bone is dislocated. Chris morgan connects with iain hume, leaving an. Voluntary clinical professor of orthopedic surgery and plastic surgery, departments of orthopedic surgery and surgery, university of miami. It is an oblique scrapping that passes through the base of the metacarpal bone. Bennett's fracture possesses considerable potential stability. Even following surgery there is a reasonably high risk of long term arthritis of the cmc joint of the thumb. Greater than 1 mm of articular incongruity initially or at follow up after closed reduction is an indication for surgery. The fracture involves the joint surface and is often significantly displaced. The causative mechanism is axial overload along the first metacarpal, combined with simultaneous flexion. Bennett fracture usually occur following a fall onto or impaction injury of the thumb. In 1882, edward hallaran bennett, md, described the fracture of the base of the first metacarpal that bears his name. Bennett's fractures under arthroscopic control. Anatomy, roentgenology, and therapy., gedda ko,, acta chirurgica scandinavica. The specific bone that's affected is the authors caution that more complex fractures may still require an open surgery. If adequate reduction cannot be achieved by means of this percutaneous technique, open reduction and internal fixation (orif) is.