Study Comparing SBS and LRTI for Treatment of CMC Arthritis

Inclusion Criteria: * Age fifty years or older * Isolated carpometacarpal (trapeziometacarpal) osteoarthritis * Failure to respond to non-operative management * Willing and able to consent on their own behalf and follow the protocol and clinical visits as described * Able to read and understand English or have interpreter available Exclusion Criteria: * Previous surgery for CMC arthritis * Duration of symptoms for less than 6 months * Greater than or equal to 30 degrees of ipsilateral metacarpophalangeal (MCP) hyperextension * Scaphotrapeziotrapezoidal (stage 4 CMC) arthritis * Other significant ipsilateral wrist or hand pathology * A history of inflammatory arthropathy * A requirement for concomitant surgery for another condition * Any previous hand or wrist fracture * Likely problems, in the judgement of the investigators, with maintaining follow-up (i.e. patients with no fixed address, not mentally competent to give consent, intellectually challenged patients without adequate support, etc.)