[Pseudoarthrosis with and without graft fracture].
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Biomedical subjects
Publications and source records attributed to O Oest.
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From 1980 until 1986 we implanted 211 cementless so-called isoelastic RM Total Hip Replacements. Long-term results will be presented. The principle of "Isoelasticity", the construction of cup and stem are described. A questionnaire and a follow up study were designed, which follow strictly the recommendation of SICOT, AAOS and HIP society. The results of both in comparison with the scheme of Merle d'Aubigné shows significant differences. After average 9.1 years 19.3% of the cups and 30.8% of the stems shows radiolucent lines over 2 mm.
From 1975 to 1987 on 107 cases of severe deformities of the forefoot a resection of the metatarsal heads according to the method of Lelièvre was performed. As to the success of this method special features of this operation and especially the requirements of postoperative treatment will be explained. Possible complications of healing will be detailed. The procedure of resecting the heads of the metatarsal bones according to Lelièvre seems to be recommendable in order to prevent immovability, especially in case of advanced inflammable alterations of the joints in the forefoot.