Search PubMed⌕ Search

Biomedical subjects

A Sosna

Publications and source records attributed to A Sosna.

60 records · Page 4Linked to original sources

In vitro autoreactivity against skin and synovial cells in patients with juvenile idiopathic and rheumatoid arthritis.

In the present study we compared specific lysis of various autologous target cells in patients with juvenile idiopathic arthritis JIA; n = 8) or rheumatoid arthritis RA; n = 17) with those of healthy controls (n = 15). (51)Cr-release cytotoxic assay with autologous peripheral blood mononuclear cells as effector cells was used. When compared with controls, effector cells of patients with JIA or RA were found to lyse significantly autologous synovial cells (p < 0.0005) and epidermal keratinocytes (p < 0.0005), however, no difference was found for autologous dermal fibroblasts.

Adolescent↗

Ludloff's open reduction of the hip: long-term results.

Long-term results of Ludloff's open reduction of the hip were studied in 62 joints of 56 children with an average follow-up of 11 years (range 5-18 years). Results were considered good in 76% and poor in 24%. A decisive factor in assessing long-term results was a proper centric reduction of the femoral head. The most frequent obstacles to proper reduction were a shortened inferomedial part of a joint capsule with the transverse ligament pulled into the joint cavity (14%), joint capsule contracture (100%), and an inverted limbus (92%), which was accompanied in 17% of patients by an impression of reflected head of the rectus femoris. Earlier nonoperative treatment affected the success of the reduction as well as long-term results.

Female↗

Overhead traction in the treatment of congenital dislocation of the hip.

Long-term results of traction treatment for congenital hip dislocation (CDH) performed between 1984 and 1990 are presented. The new traction scheme consists of 4 distinctive phases. It is based on gradually changed direction of traction--first, from the longitudinal direction to flexion and abduction against the hypomochilion. The traction is applied by means of non irritable adhesive tape using 1/4-1/5 of the child's body weight. The period of active traction is followed by retention period in Hanausek's biomechanical device. The success rate of the scheme, in terms of reduction, was 90 per cent. In 31 per cent the Salter innominate osteotomy was performed because of residual deformity. In 10 per cent of the cases open reduction was necessary.

Combined Modality Therapy↗

Clinical study of the effect of hydroxyapatite on osteointegration by total hip replacement.

From 5.1989 to 12.1992, the Walter-Motorlet cementless hip endoprosthesis provided with "Arbond" hydroxyapatite coating was clinically tested. This femoral component was applied to 34 patients, among those 26 women and 8 men having the average age of 42 years (range 24-82 years). We compared the results with a control group of patients constituted of 20 men and 49 women on average 48.3 years of age, in which the same type of endoprosthesis was used, but without hydroxyapatite coating. Both groups were evaluated by the same surgeons according to the usual international standards (ALLOPRO CHART). The substantially higher quality of the osteointegration of the hydroxypatite implants especially where primary osseous fixation is not quite stable and thus not perfect is undoubtedly evident from this study.

Adult↗