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Biomedical subjects

M Barański

Publications and source records attributed to M Barański.

12 recordsLinked to original sources

Frozen and radiation-sterilized bone allografts in the treatment of post-traumatic malformation of bones.

Post-traumatical malformations of bone are often reconstructed with the use of preserved bone allografts. At the Institute of Traumatology, Orthopaedics and Neurosurgery 495 patients were treated with use of preserved (frozen and radiation-sterilized) bone allografts, following trauma, between 1981 and 1995. Non union of bone and osteomyelitis were main reasons for allotransplantation of bone. Remodelling of bone allografts has been observed during 2-8 years after surgery. Substitution of allografts and good result of treatment were found in 80% of all cases. In paper the analysis of results of treatment is presented.

Adolescent↗

Fusion of spine in children scoliosis with frozen & radiation--sterilized bone allograft.

102 children have been treated at the Institute of Traumatology, Orthopaedics & Neurosurgery a result of scoliosis. In all of these multi-step treatment has been applied. Initially a telescopic rod was implanted into the spine. Allografts were introduced around the rod hook, after 6 or 8 months, when angle of scoliosis increased, the rod was exchanged for a longer one. The final step was performed when conditions permitted and the scoliosis was markedly corrected and the fusion of the spine with the solid allograft was accomplished. The result of treatment was evaluated 1 to 7 years after surgery. Bone allografts were rebuilt within 6 month. Correction of scoliosis of 50% to 70% was achieved in all cases.

Adolescent↗

Fractures of thoracic and lumbar spine; treatment and follow up.

The number of posttraumatic spinal fractures is constantly growing. About 15-20% of patients injury need surgery after injury, as result of spinal instability or canal stenosis often leading to neurological complications. In 1987-97 56 patients (6 female and 50 male) were treated following serious spine trauma with fractures. The age of the patients was 19-61 years. Car accidents were the most common cause of trauma affecting 30 patients (53%), falls from heights affecting 26 patients (47%). Multiple injuries were diagnosed in 24 patients (43%). More than one vertebra was fractured in 15 patients (27%). In 9 cases (16%) surgery was performed within 24 hours of the accident, in 22 (39%) within 72 hours and in 25 patients (45%) after 72 hours, in some cases even several weeks after the trauma. 20 patients (36%) required spinal decompression after the accident. The fracture in one case was located in the thoracic section, in 17 patients in Th11-L2 and in 2 patients in L3-L5 section. In 4 cases reconstruction of the meninx was performed. 48 patients were treated by stabilisation using Harrington rods; in 5 patients Kluger stabilisers were used, in the remaining 3 patients stabilization was carried out by wire loop. In all cases frozen and radiation-sterilized bone allografts were applied. Results were evaluated 2-8 years after surgery using X-rays, CT-pictures and direct examination. In 25 patients (45%) results were found to be good, in 23 patients (41%) mediocre and in 8 patients (14%) results were unsatisfactory.

Adult↗