Biomedical subjects
Publications and source records attributed to C Laterre.
The authors discuss internuclear ophthalmoplegia associated with non-paralytic pontine exotropia of the contralateral eye. Impairment of the posterior oculogyric tract in its protuberantial segment, resulting in oculographic signs of alteration in the contralateral continuation. Seems to be responsible for the exotropia.
After a lapse of not less than two years the authors study the functional and clinical evolution of 62 patients presenting myelopathy in cervical arthrosis treated by surgery. A scoring system for evaluating the functional deficit of the patients is used for quantitative assessment of the disorders. Surgery brought a frank improvement in 38 patients: it left the sensorimotor deficits of 19 patients unchanged. The handicap continued to deteriorate in three patients. Two patients died from non-neurological disorders. The data are compared with those in the literature which indicate an improvement rate of the same order of magnitude. Within certain limits, age and the degree of initial handicap do not seem to influence the long-term result of surgery. However, the time lapse between the appearance of the first signs of deficiency and surgery seem to constitute an important prognostic factor. The shorter the time lapse, the better the result.
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Meningoradiculitis due to tick-bite is rare and poorly documented. Its etiology remains hypothetical, but is thought to be caused by a viral infection carried by the tick. It is characterized by a striking clinical picture, especially symptoms of a subjective nature. The involved area extends asymmetrically from the site of the bite with variable latency. The CSF is characteristic, showing definite lymphocytosis and a moderate protein reaction. The prognosis is excellent although recovery may take several months. In the event of facial paralysis, there is a risk of postparalytic spasms. Treatment is symptomatic; no drug has proved effective.