[Influence of a splint in maintaining the opening of the first web in arthritis of the base of the thumb].
Trapezometacarpal osteoarthritis of the thumb includes an progressive aspect in the form of contracture of the first web. The wearing of a C-shaped bar splint is designed to prevent this contracture. The heat-molded plastic splint used by the authors is characterised by the following 3 points: reduction, stabilisation and comfort. The authors have systematically evaluated the action of the splint by measuring the variations in the M1M2 and TM1 angles on X-rays with and without the splint. Analysis of the quantitative data and of the X-rays shows an improvement in the opening of the first web and a reduction in the subluxation of the trapezometacarpal joint. Although they did not analyse the intrinsic process, the authors also noted a very marked reduction in pain (90% of cases) by wearing the splint.
François
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Membre affilié du GEMMSOR, Centre Médical MGEN, L'Arbizon, Bagneres-de-Bigorre, France.
D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008663:Metacarpus / Q000000981:diagnostic imaging; D008875:Middle Aged; D010003:Osteoarthritis / Q000503:physiopathology / Q000534:rehabilitation*; D011859:Radiography; D013165:Splints; D013933:Thumb
Influence d'une orthèse pour le maintien de l'ouverture de la première commissure dans la rhizarthrose.