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Biomedical subjects

I Nemes

Publications and source records attributed to I Nemes.

8 recordsLinked to original sources

[Management of craniofacial fractures with titanium mini-plate osteosynthesis and primary bone transplantation].

The frontobasal traumatic lesions are often combined with several type of midface fractures therefore the authors adopted the craniofacial injury definition. In the years 1995-1997, 534 patients with head trauma were operated on by maxillofacial surgeon and neurosurgeon of which 35 (6.5%) cases showed concomitant combined frontonaso-orbital-skull base involvement. In the complex management of the severe craniofacial lesions the cooperative team-work of maxillofacial surgeon, neurosurgeon, otolaryngologist and ophthalmologist is required. Stabilized midface and the "watertight" dura closure or plasty are basically important conditions for the ceasing of cerebrospinal fluid leak. In the instance of optic nerve lesion the exploration and decompression within the eight hours is mandatory by transcranial-subcranial approach. At their cases authors preferred the early, definitive one-stage management with step-by step titanium miniplate reconstructive osteosynthesis and primary bone grafting correct bony restoration could be achieved. According their experiences of new treatment method with definitive one-stage management of complex craniofacial injuries they decreased the incidence of postoperative complications, the time of hospitalisations obtained optimal functional and cosmetic results.

Adult↗

[The mental foramen syndrome].

The authors outline an extraordinary rare case of metastatic mandible carcinoma. The examined patient who earlier had a mastectomy due to breast carcinoma showed signs of the foramen mentale syndrome (numbness, pain, swelling) also on the right side after 5 years. The process of the generalized malignant tumour was first indicated by the mandibula metastatic tumour of the foramen mentale syndrome.

Breast Neoplasms↗

[Fee flap from the fibula: microsurgical method for the substitution of mandibular loss].

The authors report on the microsurgery method of the vascularized free fibula flap transplantation for the reconstruction of large segmental mandibular defect. They have established from the literatury data and by their own experience of two cases, that the use of free fibula flap seems to be the best replacement method, when the bone defect is bigger then twelve centimeters.

Bone Transplantation↗

Physico-chemical modeling of the role of free radicals in photodynamic therapy. III. Interactions of stable free radicals with excited photosensitizers studied by kinetic ESR spectroscopy.

The loss of paramagnetism of the stable free radical 4,4'-di-tert.-butyl- diphenyl-1-nitroxy during illumination of the photosensitizer meso-tetrahydroxyphenyl chlorine by light above 620 nm in the absence of oxygen has been followed by kinetic ESR spectroscopy. Addition of the spin trap alpha-(4-pyridyl-1-oxide)- N-tert.-butyl-nitrone reduces the initial rate of the disappearance of the free radical enabling to separate triplet-doublet interactions from processes between radicals stemming from the triplet sensitizer and the stable free radical. Kinetic treatment of the mechanism suggested yielded the rate constant of the triplet-doublet interaction proceeding via electron transfer being about 6% of the rate constant of the overall interaction including both energy transfer and electron transfer.

Biphenyl Compounds↗