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Online ISSN 1827-1707
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
UPDATES ON HIP ARTHROPLASTY
Rinaldi G. P., Bonalumi M., Capitani D.
Divisione di Ortotraumatologia E.O. Niguarda Ca’ Granda, Milano
Aim. In recent years advances in operative technique and instrumentation have allowed surgeons to perform total hip arthroplasty through incisions much smaller than those used previously. This paper describes a minimally invasive approach to total hip arthroplasty and outlines the results of 100 consecutive total hip arthroplasties.
Methods. Between April 2003 to April 2005, the author performed 100 cases of total hip arthroplasty with this conservative and minimally invasive approach. The surgical technique used is a modification of the traditional posterior lateral approach to the hip, saving external rotator (muscle piriformis and quadratus femoris) that we performed with a mini-incision. After prosthesis implant, the anatomical closure of capsule, tendons and muscle is performed.
Results. In the 100 cases presented no defects of varus or valgus positioning (within 5°) have been observed; as to the cotyloid, in the first 20 cases, 4 valgus positionings have been observed.
Conclusion. Our results encouraged to performed this conservative postero-lateral approach to minimal incision for total hip arthroplasty with a surgical standard procedure in patients selection.