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Risk factors for deep venous thrombosis in tetraparesic mentally retarded patients
1Hôpital San Salvadour, Assistance Publique Hôpitaux de Paris, BP 80-83407 Hyères Cedex, France. marie-christine.rousseau@ssl.ap-hop-paris.fr
Objectives:
The risk factors and incidence of deep venous thrombosis were studied in a population of para- and tetraparesic patients institutionalized for long durations.
Methods:
Retrospectively, the antecedents and risk factors of deep venous thrombosis were collected for each patient.
Results:
Data were available for 57 patients. The mean duration of hospitalization was 18 years. None of the patients presented thromboembolic pathology. Ninety-three per cent of the patients were spastic tetraparesic, 7% were spastic paraparesic. Sixty per cent of the patients presented added risk factors, mostly orthopaedic surgery, bone fractures and hormonal treatments.
Conclusion:
Spasticity probably plays a role in preventing deep venous thrombosis in paralysed patients, but it does not fully explain the absence of deep venous thrombosis in this population.