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ISSN 2992-8036 (Electronic)
ISSN 2306-4102 (Print)
Órgano Oficial del Colegio Mexicano de Ortopedia y Traumatología

2003, Number 1

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Acta Ortop Mex 2003; 17 (1)

Preliminary experience with ABG system of total hip arthroplasty

Fernández FM, Busto VJM, Roure J, Ramírez AJ

Language: Spanish
References: 21
Page: 3-8
PDF size: 68.26 Kb.


ABSTRACT

114 total hip arthroplasties practiced on 109 patients with ages ranging from 39 to 87 years -with an average age of 62 years- between January 1996 and July 2000 have been reviewed. The control of the mentioned arthroplasties was realized between 5.5 and one year, with an average of 37 months. In all of them a type ABG prosthesis of spherical cotyla covered with hydroxyapatite in circumference in their proximal third was implanted. Just in one case, the rechanging was necessary due to the femoral component loosening (99.1% survival). The clinical results have been satisfactory, with a Merle d’Aubigné elevation which rose from an average mark of 2.3 points in pre-operative to 17.7 in post-operative, keeping in time. Harris’ values went from an average of 48 points in pre-operative and reached 87 points after the surgery. Only three cases (2.6%) referred thigh pains, even though they were not very important and decreased along time. A hundred and ten patients expressed they were completely satisfied with the procedure. The observed X-ray modifications talk about a discharge in Gruen 1 and 7 zones and its transference and the prosthesis osteointegration at the level of the zones 1 and 6, with a lack of distal fixing and without a sharp end phenomenon. All of this is the result of the ABG system design and conception, which allows us to get acceptable and well-distributed levels of femur (thigh-bone) requests and necessities. This produces a positive osseous-adaptable remolding process during the first months that keeps on in equilibrium during the time the series has been followed and observed


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