SummaryThis study was concluded on paraplegic and tetraplegic patients of all aetiologies except neoplasic, where paralysis developed within 48 hours. All patients were admitted to the rehabilitation department within 90 days after the onset of paralysis. In a preliminary review of 328 files, there were 27 cases of clinical deep vein thrombosis (DVT) and 10 with pulmonary embolism (PE), 6 of which were fatal. A prospective study was conducted, based on systematic detection of asymptomatic DVT with phlebography. Among the 147 patients, 20 previously presented with DVT. The 127 others underwent phlebography which showed 39 DVT in 29 patients. Eighty seven patients with negative phlebography underwent a second study a month later which showed 14 DVT in 12 patients. Only one minor pulmonary embolism occurred in these 147 patients. The incidence of DVT after acute spinal cord injury and the frequent absence of clinical manifestations were confirmed. Prophylactic anticoagulant therapy is useful but insufficient. This study demonstrates that systematic and repeated detection of DVT by phlebography may reduce the incidence of P E.

Summary. A prototype 'telethesis', a telemanipulator for high level tetraplegic and similarly disabled persons, has been developed in the French Spartacus project. The system has a modular control structure, both in the choice of transducers and in the microprocessor programmes assuring the ergonomic link with the individual user. A special training procedure has been developed and tested both in the laboratory and in the hospital.Six tetraplegic patients have used the system in the laboratory and seven in hospital. The experience of 6 months of experimentation in the occupational therapy department with the seven patients is reported. The telethesis has been well accepted by four of them, two of whom have used it for prolonged periods of time. One case has not been adapted with great success prior to his departure, and in two others the use of the system has been rejected, largely for psychological reasons.

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