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Biomedical subjects

J Eschberger

Publications and source records attributed to J Eschberger.

31 records · Page 2Linked to original sources
PubMed1977

[Comparative study of bone mineral densities in the human skeleton].

The different mineral densities and their distribution within human bone of the iliac crest, the femoral and the humeral head are analysed by microradiography with computerized photometry. 10 male and 11 female corpses between the age of 17 to 80, show that the results obtained depended upon age, sex and upon the site of the bone biopsy. Bcause of the small number of cases in this preliminary investigation, careful interpretation of these differences is mandatory. The advantages of this method are discussed.

Adolescent↗
PubMedDate not supplied

[Partial resection of the ulna as a diaphyseal bone defect model in the dog].

A 25-mm periosteal cylinder was removed from the middle of the ulna in fully grown mongrel dogs. A silastic block was interposed and the defect was fixed by a plate. Eight weeks later, the block was removed. During the following 24 weeks, spontaneous bone regeneration was evaluated by radiologic and histomorphometric evidence. In a second series, three screws were placed transversely to the longitudinal axis from the ulna into the radius to stabilize the partial resected ulna. The observation period after silastic removal was 16 weeks. Evaluation was based on radiology and on Indian ink stain of the vessels. Plate fixation provides an essentially stable defect model, with partly considerable bone apposition to the proximal area of resection. This is explained by the entry of the only nutrient artery into the proximal diaphyseal third. No instance of spontaneous defect healing following plate fixation was observed. The transverse fixation of the ulna revealed early radiologic signs of instability.

Animals↗
PubMedDate not supplied

[Preradiologic stage of idiopathic femur head necrosis demonstrated by intraosseous pressure measurement].

Early identification is the focal point of efforts aimed toward efficient diagnosis and treatment of osteonecrosis. With the intraosseous pressure measurement method of Ficat and Arlet it is possible to determine the onset of this disease at the preradiological stage. At the Vienna-Speising Orthopedic Clinic 11 out of a total of 66 cases of idiopathic necroses of the femoral head were diagnosed at the preradiological stage. The only treatment given in these cases was decompression by removal of a bone cylinder. The follow-up examination after an average of 22 months revealed very good results in all cases, both subjectively and roentgenologically (stage deterioration did not occur in a single case).

Blood Pressure Determination↗