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The clinical outcome of patients treated either by high tibial osteotomy or unicompartmental arthroplasty for medial unicompartmental osteoarthritis of the knee was compared in a prospective randomised study. In total, 32 patients received a high tibial osteotomy (HTO) and 28 patients a unicompartmental arthroplasty (UKA). More intra- and postoperative(More)
Twin pregnancy is considered to be a risk factor for congenital dysplasia of the hip. From 1987 until 1996, the hips of 4476 (2260 male, 2216 female) newborn babies were examined by ultrasound according to Graf's technique and classification in our hospital. In this study, we compare the results of twins and singletons for this risk factor. Of the newborns,(More)
Successful total hip arthroplasty with the Metha short-stem prosthesis (B. Braun Aesculap; Tuttlingen, Germany) depends on the correct indication and an accurate preoperative measurement of the femoral bone shape. Intraoperatively, bone quality, osteotomy, and implant position are of particular importance. Navigation assists with the selection of modular(More)
Short-stem prostheses with modular necks were implanted using a modified Watson-Jones approach in 55 cases from November 2004 to May 2006. Twenty-eight cases were navigated using the OrthoPilot navigation system (B. Braun Aesculap, Tuttlingen, Germany). Primary stability, ease of minimal invasive implantation, and restoration of the biomechanics were(More)
BACKGROUND Congenital dysplasia of the hip (CDH) is the most frequent inborn deformity of the locomotor apparatus. Hereditary, pelvic respectively breech presentation or abdominal delivery, premature as well as post-term birth and twin pregnancy are considered to be anamnestic risk factors for congenital dysplasia of the hip. The results of ultrasound hip(More)
PURPOSE This study aimed at investigating whether twin pregnancy is a risk factor for congenital dysplasia of the hip. METHOD From 1987 until 1994 the hips of 3739 (1902 male, 1837 female) newborn were examined by ultrasound (screening) according to Graf's technique. We compared the results of twins and the other newborn (non-twins). The examinations were(More)
INTRODUCTION Hereditary, pelvic respectively breech presentation or abdominal delivery, premature as well as post-term birth and twin pregnancy are considered to be anamnestic risk factors for congenital dysplasia of the hip. The results of ultrasound hip screening of two University hospitals are presented with special regard to the correlation of these(More)
Twenty-three adult patients (19 females, 4 males) with x-linked hypophosphatemic rickets (HPR) underwent a retrospective evaluation of the clinical course and a clinical examination by a nephrologist, orthopedic surgeon and dentist. Blood and urine analysis, bone density measurements with QCT and DEXA, ultrasonic examination of the kidneys were performed(More)