Article

Roseland(R) prosthesis is a ball and socket prosthesis, physiological
and not anatomical. This study wants to demonstrate by a quality life questionnaire (quick DASH described by Dubert et al., 2001) that Roseland(R)
prosthesis gives to patients a trapeziometacarpal joint native capacities.
An exterior examinator reviewed prospectively 68 patients
having a mean age of 61.1 years at surgery with 11 bilateral cases that is 79
prothesis. With a mean follow-up of 43.8 months, we value by Kapandji's
opposition, first comisssural openning, quality of life and patient's
satisfaction. RESULTS: Three patients have been excuded: two of them had got
post-traumatic dislocation: one trapezium fracture, one unknown reason. The third
patient had got osteophytis with "came" effects. We keep 65 patients with 84,6%
satisfying and very satisfaying. 75,4% of patients have a capacity of 80% and
more of their joint, 40% of them had got 100%. DISCUSSION: Roseland(R) prosthesis
has good results because it agrees with already known principles as on its own
concept: rotula prothesis gives three axes mobility, as on its own conception : metarcarpal stem with a palmar "T" shaped against rotation and bone saving, a cup
with equatorial ring to prevent burying of the spongy bone. Componenents are
recovered by hydroxyapatite to favour osteo-integration with less loosening than
ciment. An accurate technique avoids dislocations traps: trapezium implant
centring, internal osteophytis removal. An accurate indication: trapeziometarpal
joint osteoarthritis only (second degree's Dell classification). CONCLUSION:
Roseland(R) prosthesis reproduces a satisfactory and functional joint for 84,6%
of cases. These good results can be obtained by accurate indication (Dell II) and
contra-indication (osteoarthritis around trapezium except trapeziometacarpal of course).
CI - Copyright (c) 2010 Elsevier Masson SAS. All rights reserved.

Langue : FRANCAIS