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Table 2 Complications will be defined to include the following

From: Total wrist arthrodesis with and without arthrodesis of the carpoMetacarpal joint (WAWWAM): study protocol

Wound dehiscence

Infection: superficial (treated with antibiotics alone) and deep (requiring surgical debridement and antibiotics

Fracture: in the perioperative period and in the follow up period

Non-union: recorded radiocarpal, midcarpal and carpometacarpal joint and defined as absence of bridging bony trabeculae with no interval change over 3 months

Hardware breakage: plate or screw, managed operative or non-operatively

Tendon rupture

Tendon irritation: requiring treatment

Complex regional pain syndrome: defined according to Budapest criteria

Nerve injury: operatively or not operatively managed

Other: medical and surgical