The clinical results of bilateral total knee replacement staged at a one-week interval during a single hospital admission were compared with bilateral total knee replacements performed under the same anaesthetic and with bilateral total knee replacements performed during two separate admissions. The data were retrospectively reviewed. All operations had been performed by the same surgeon using the same design of prosthesis at a single institution. The operative time and length of stay for the one-week staged group were comparable with those of the separate admission group but longer than for the patients treated under one anaesthetic. There was a low rate of complications and good clinical outcome in all groups at a mean follow-up of four years (1 to 7.2). The group staged at a one-week interval had the least blood loss (p = 0.004). With appropriate patient selection, bilateral total knee replacement performed under a single anaesthetic, or staged at a one-week interval, is a safe and effective method to treat bilateral arthritis of the knee.
An internal suture technique has been used for mallet finger fractures involving at least 30% of the articular surface. It provides fixation without a button or transfixion of the fragment. An independent retrospective review was conducted of ten patients at a mean follow-up of 17 months. Mean visual analogue score (0 to 10) for pain was 2.4 and satisfaction 7.9. Mean active range of motion was 13 to 49°, passive motion was 2 to 56°, pinch strength of effected finger to thumb was 3.8 kgf (81% of the opposite finger), grip strength 37.9 kgf (95% of the opposite hand). All fractures united and there were no neuromas. Complications included two nail deformities, a superficial infection and a pin track infection. One patient with a crush injury continued to have pain despite an arthrodesis.
Between May 2001 and May 2003, 233 consecutive Preservation unicompartmental knee replacements (UKR) were performed. Of these, 30 were lateral UKRs (13%) performed in 12 men and 16 women (2 bilateral cases) with a mean age of 67 years (range 36-93 years). A metal-backed mobile bearing tibial component was used in 13 knees and an all-polyethylene fixed bearing tibial component in 17 knees. The patients were reviewed prospectively at 1 and 2 years. The 2 year results show no difference in range of motion or function between the mobile and fixed bearing versions of the Preservation knee when used on the lateral side. There were three early revisions, all in the mobile bearing group.
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