The overall results were assessed according to the Conolly score. The revision rate after primary arthroplasty at our institution was 2.9%. Most common problems for secondary surgery included mechanical pain due to crepitation of the base of the first metacarpal bone, neuropathy of the superficial branch of the radial nerve and concomitant scaphotrapezial arthritis. A total of 19 procedures were performed resulting in two good, five fair and five poor results. A treatment algorithm is presented.