Biomedical subjects
Publications and source records attributed to F Andersen-Ranberg.
We present a systematic clinical and radiographic study of 147 patients who had total hip replacements from February 1992 to May 1993. BonelocR cement was used in 108, and PalacosR cement with gentamicin in 39 patients who had an increased risk of infection. At follow-up after 24 to 39 months, 26 cases with BonelocR cement had failed; there were no clinical failures in the PalacosR group.
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Clinical follow-up was obtained in 96 patients with knee complaints but normal arthroscopic findings (mean observation time, 10 months). About one-third had no symptoms at follow-up; in another third there was improvement; in the remaining third there were unchanged or worsened symptoms, and a clinical re-examination indicated that alterations in the soft tissues around the knee might explain the worsening. However, 10 patients in the last group had not only significant worsening of the knee symptoms but also severe complaints in other regions of the body and a psychosomatic factor was suspected. Most of the patients with symptoms at follow-up had significant wasting of the quadriceps muscles. Energetic exercises seem important even in patients with normal arthroscopic findings.
We present a case of recurrent dislocation after total hip arthroplasty in a patient where no malalignment of the prosthetic components was found. The patient was successfully treated with the fixation of an additional sector to the acetabular component.
Upper extremity amputations in Denmark between 1978 and 1983 comprised 3 percent of all major amputations. Trauma was the main reason for upper extremity amputations.
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An exceptional complication of a slight sports injury of the knee with rupture of the semimembranosus bursa in a 29-year-old male football player is reported. The diagnosis was verified by immediate arthrography, consequently the possibility of thrombophlebitis could be ruled out. Anticoagulation is dangerous and contraindicated in rupture of the semimembranosus bursa due to the risk of developing compartment syndrome. Simple bed-rest for a week gave complete relief of pain.
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A 19-year-old male was hospitalized with a swelling tumor in his left foot. Bone marrow analysis showed marrow carcinosis. Blood investigations, x-rays, radioisotopic scanning and computer tomography did not show any signs of a tumor. The patient died 6 months after the first admission to hospital. Autopsy showed alveolar rhabdomyosarcoma (ARMS) in planta pedis. Besides metastasis in the columna and thoracal lymph nodes, there was tumor tissue in the arachnoidea and subarachnoidal bleeding, a combination not earlier described. ARMS is highly malignant and most of the patients are young.