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MINERVA ORTOPEDICA E TRAUMATOLOGICA
A Journal on Orthopedics and Traumatology
UPDATES ON SHOULDER ARTHROPLASTY 102nd CONGRESS OF THE PIEMONTESE-LIGURIAN-LOMBARD SOCIETY OF ORTHOPEDICS AND TRAUMATOLOGY (S.P.L.L.O.T.) - Brescia September 9-10, 2005
NEW TECHNOLOGIES, MODERN INSTRUMENTARIUM IN ARTHROPLASTIC SURGERY
Minerva Ortopedica e Traumatologica 2005 August;56(4):343-9
Prosthetic scaphoid replacement by pyrocarbon adaptrive proximal scaphoid implant
Berzero G. F., Grandis C.
Centro di Chirurgia della Mano Istituto Ortopedico Galeazzi, Milano
Aim. The authors present their series of prosthetic partial scaphoid replacement by pyrocarbon adaptive partial scaphoid implant (APSI), recently proposed by Pequignot and Allieu.
Methods. This device was employed for 71 cases (51 pseudoarthrosis, 11 scaphoid nonunion advanced collapse, 4 siliconytis, 4 scapholunate advanced collapse, 1 luxation of another prosthesis). The clinic evaluation was performed utilizing Krimmer’s test considering an average follow up of 3 years; X-ray controll was evaluated on the heigt of the carpus and the radio-lunate angle while adaptive implant mobility was considered in dynamyc radiograms. Dorsal approach was used on 32 cases, volar on 22, lateral on 15, 2 cases were operate on by arthroscopic access.
Results. Pain disappeared in 44 patients (63.4%), was relieved in 19 patients (26.8%), and was unchanged in 6 patients (9.8%). Range of motion was improved in flexion and extension in many patients; nor luxation, nor serious complications was up to now observed and Krimmer score demonstrated a good functional improvement in almost all cases.
Conclusion. The results seem encouraging us in following this experience, considering its reversible characteristics compared with more invasive procedures and eventually in extending arthroscopic indication so to ulteriorly moore reduce temporary post surgery invalidation.