Abstract
Approximately 5% of hospitalized stroke patients have a clinically apparent deep vein thrombosis (DVT) and ≈2% will have a pulmonary embolus (PE) confirmed.1 However, prospective studies that systematically screen for DVT with, for example compression Doppler ultrasound or magnetic resonance imaging, identified DVT in up to 50% of patients.2 Some patients who are breathless because of aspiration pneumonia, chest infection, or heart failure may actually have had an undiagnosed pulmonary embolus. Autopsies often identify clinically unrecognized PEs that probably contributed to the patient’s death. Therefore, it seems sensible to offer patients prophylaxis against venous thromboembolism. However, a brief discussion with colleagues is likely to reveal wide variation in the approaches taken to prophylaxis. In our unit, we aim to treat all patients with ischemic stroke with aspirin within 48 hours, because this has been shown to improve long-term outcomes and probably also reduces the risk of venous thromboembolism to some extent.3 In addition, we …
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