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The Bone & Joint Journal

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The Bone & Joint Journal
Vol. 104-B, Issue 4 | Pages 444 - 451
1 Apr 2022
Laende EK Mills Flemming J Astephen Wilson JL Cantoni E Dunbar MJ

Aims

Thresholds of acceptable early migration of the components in total knee arthroplasty (TKA) have traditionally ignored the effects of patient and implant factors that may influence migration. The aim of this study was to determine which of these factors are associated with overall longitudinal migration of well-fixed tibial components following TKA.

Methods

Radiostereometric analysis (RSA) data over a two-year period were available for 419 successful primary TKAs (267 cemented and 152 uncemented in 257 female and 162 male patients). Longitudinal analysis of data using marginal models was performed to examine the associations of patient factors (age, sex, BMI, smoking status) and implant factors (cemented or uncemented, the size of the implant) with maximum total point motion (MTPM) migration. Analyses were also performed on subgroups based on sex and fixation.


The Journal of Bone & Joint Surgery British Volume
Vol. 71-B, Issue 3 | Pages 437 - 440
1 May 1989
Mills J Menelaus M

We reviewed 12 patients with congenital hallux varus who had had operations on 20 feet to enable them to wear normal shoes and to improve the appearance. After an average follow-up of 12.7 years the results of soft tissue procedures were satisfactory in 12 of 17 feet. Arthrodesis of the first metatarsophalangeal joint, performed primarily in one foot and secondarily in two others was also satisfactory, but metatarsal osteotomy in two feet gave unsatisfactory results leading to local amputation. The unsatisfactory results were generally due to the appearance of shortness of the first metatarsal and rarely because of symptoms or recurrent deformity.