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Prophylaxis of thromboembolism in spinal injuries--results of enoxaparin used in 276 patients.

Deep K, Jigajinni MV, McLean AN, Fraser MH.
Department of Orthopaedics, Queen Mary's Hospital, Sidcup, Kent, UK.

OBJECTIVE: To evaluate the results of thromboembolic prophylaxis using enoxaparin in acute spinal injury patients. BACKGROUND: Deep vein thrombosis and pulmonary embolism are major causes of morbidity and mortality in patients with acute spinal injuries. A wide range of thromboprophylactic measures have been proposed. The present study describes the outcome of a regime of enoxaparin and antithromboembolic stockings in acute spinal injuries irrespective of neurological damage. SETTING: Scotland, UK. METHODS: Eighteen-month retrospective review of acute spinal injury patients admitted to a national spinal injuries unit. A thromboembolic prophylactic regimen of early mobilisation, use of antithromboembolic stockings, and subcutaneous administration of enoxaparin 40 mg once a day until patients could be mobilised for more than 4 h per day, was used. Patients with clinical suspicion of deep venous thrombosis or pulmonary embolism were investigated as appropriate. RESULTS: Out of 146 (53% of total) patients with spinal injuries with no neurological deficit only one patient (0.4%) developed clinical evidence of pulmonary embolism and out of 130 (47% of total) with spinal cord injury two (0.7%) developed clinical evidence of deep venous thrombosis while still on enoxaparin. Four patients (1.5%) developed deep venous thrombosis and one (0.4%) pulmonary embolism after discontinuing enoxaparin. There were no fatal pulmonary emboli and one suspected intraspinal bleeding. CONCLUSIONS: The present study suggests that, in addition to physical and mechanical measures, low molecular weight heparin in the form of enoxaparin 40 mg administered once daily compares favourably with previous studies for thromboprophylaxis in acute spinal injuries.

PMID: 11402364 [PubMed - indexed for MEDLINE]

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