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At least 37 records · Page 2Linked to original sources

Osteoinductivity of partially decalcified alloimplants in healing of large osteoperiosteal defects.

About 3.5 cm osteoperiosteal circumferential gaps in rabbit ulnae were bridged by partially decalcified (by 0.6 M HCl) allogenic implants, 8-12 weeks after implantation complete bridging of the gap by new bone formation and union at host-graft junctions was observed in 97.2 per cent of the experiments. Instant permeability and the powerful osteo-inductive potential of the implant coupled with some degree of mechanical stability provided by partial decalcification ensured successful bone formation in almost all the experiments. It is suggested that partially decalcified allogenic bone matrix preserved in 70 per cent ethanol may be a reasonably good substitute for autologous bone graft.

Animals↗

[The treatment results in a persistent pain syndrome in the neurological manifestation of lumbosacral osteochondrosis using osteoperiosteal electro- and laser puncture].

The use of osteoperiosteal electropuncture and laser puncture combined in a complex treatment of 162 patients with lumbosacral osteochondrosis resulted in dissipation or apparent decrement in clinical manifestations of the trouble. In patients with lumboischialgia, there was an improvement in the pain syndrome as evidenced by scores on global painfulness (2.3 +/- 0.45 versus 30.2 +/- 0.62 before the treatment) in patients with degree IV pain. Less intensive pain (degree II-III as to I. P. Antonov) has gone away completely. In radicular pain syndrome, results on pain relief were much lower (P < 0.05), those on total vertebral and extravertebral painfulness much better (2.4 +/- 0.2 versus 17.3 +/- 0.7 and 1.2 +/- 0.6 versus 30.4 +/- 1.82 respectively). The secured results of treatment remained stable during two years.

Adult↗

[Changes in various neurophysiological indices in treatment of lumbosacral osteochondrosis by combined osteoperiostal electroacupuncture and laser puncture].

The conducted dynamic rheovasographic investigations in 67 patients with neurological manifestations of lumbosacral osteochondrosis as well as determination of skin temperature in 162 patients, and employment of stimulation electromyography in 40 patients showed the presence of definite positive shifts (P < 0.001) both in patients with lumboischialgia and in those with the radicular pain syndrome, which fact was evidenced by the clinical data suggesting to us the feasibility of use of osteoperiostal electropuncture combined with laseropuncture with infrared radiation.

Electroacupuncture↗

Hypertrophic osteoperiostitis in Crohn's disease.

The authors present a case of hypertrophic osteoperiostitis in a patient suffering from Crohn's disease. A review of the literature reveals 10 cases of Crohn's disease or ulcerative colitis with similar affections of the skeletal system, some of which were asymptomatic. This supports the hypothesis that the immunological phenomena which are common to both these intestinal diseases are also the basis of the skeletal affection.

Adult↗

Autogenous osteoperiosteal grafts in the reconstruction of full-thickness joint surface defects.

Free, autogenous periosteal grafts from the medial metaphysis of the proximal tibia have been used to reconstruct full thickness cartilage defects of the articular surfaces of the knee joint. If there was a bone defect, it was initially filled with cancellous bone graft. The method is illustrated by six patients, three with acute traumatic patellar defects and three with local sclerotic osteochondritis of the medial femoral condyle. The latter had loose fragments unsuitable for fixation and single excision would have left a large and deep defect. The grafts have given satisfactory results, 14 to 59 months after the procedures. Clinical grading of the defects has been monitored by radiographs with arthroscopy of two knees and CT scan of one knee.

Adult↗

Potential healing benefit of an osteoperiosteal bone plug from the proximal tibia on a mosaicplasty donor-site defect in the knee. An experimental study in the goat.

INTRODUCTION: Autologous osteochondral transplantation is a popular treatment for articular cartilage lesions in the knee joint. The donor defect is commonly left empty and remains a matter of concern. MATERIALS AND METHODS: In 20 knees of 10 goats, we created a standardised donor defect in the knee. In the control group the defects were left empty, whereas in two other groups a bone plug from the proximal tibia was press-fitted into the defect with or without a covering periosteal layer. RESULTS: Histological evaluation after 8 and 16 weeks showed that relatively rapid osteoclastic resorption of the bone plug occurred. Defects were mainly filled with fibrous tissue, and collapse of the adjacent bone and cartilage was visible, especially when the defects were left empty. Occasionally, some consolidation of the graft to the host bone could be detected, and in some samples periosteal chondrogenesis was present. CONCLUSION: Our findings suggest that transplantation of a tibial bone plug with covering periosteum to the donor defect in a cartilage transplantation procedure does not have any additional value in an attempt to minimise the damage at the donor site. The observed resorption of the bone plug and the collapse of the adjacent joint margin remain a matter of concern with this technique.

Animals↗

The use of a temporal osteoperiosteal flap for the reconstruction of malar hypoplasia in Treacher Collins syndrome.

The clinical use of a temporal periosteal bone flap for the reconstruction of a malar bone in a patient with the Treacher Collins syndrome is presented. The temporal muscle functions as an axial carrier of the periosteum that induces osteogenesis in young children, whereas the bone segments may serve as a nucleus for further bone formation from the periosteum. Correction of the eyelid coloboma was obtained by the rotation and advancement of a temporopalpebral flap.

Bone Transplantation↗

The effect of the thickness of the cortical bone on bone formation by osteoperiosteal grafts. A comparative study employing routine histological stains and triple fluorochrome labelling.

The bone-forming capacity of free periosteum was compared with that of 100 micrometers thick osteoperiosteum and periosteum with full thickness cortex taken from the tibia of 6-week-old rabbits. Altogether 78 rabbits were operated on. The results revealed that the osteogenic capacity of free periosteum and 100 micrometers thick osteoperiosteum was about the same, and that osteoperiosteum with full thickness cortex was inferior in this regard.

Animals↗