engleski

Can patient outcome be predicted by transcranial Doppler insonation values at onset of stroke?

TCD is appreciated in locating intracranial stenosis and occlusion. Can TCD values measured at stroke onset be predictive of stroke outcome at patient demission? The aim was to assess TCD values obtained at stroke onset in prediction of stroke outcome measured by Barthel Index (BI) and Rankin scale (RS). We examined 101 stroke patients during a 6 month period. All patients were examined using TCD technique in assessment of 11 cerebral blood vessels. BI was assessed after stroke onset and at demission. RS was assessed at demission. There were 101 stroke patients. 73 had ischemic stroke, 13 had haemorrhagic stroke, 4 SAH and 11 had TIAs. Mean age was 72 years. 36 patients had a complete TCD report, 40 had values reported from one side of Willis' circle, and 54 had all values of vertebrobasilar system. For remaining patients all values were not obtained due to technical difficulties. 85% of patients had a first stroke, and 15% had a recurrent stroke. At admission average BI was 92.83. Before demission average BI was 64.3. RS before demission showed the following: no symptoms 7%, independent 28%, light disability 9%, moderate disability 9%, moderate to severe disability 23%, severe disability 18%, death 5%. 60% of patients were sent home, 10% to another institution, 20% to rehabilitation centre, and 11% to another ward. Even though TCD is a valuable method in assessment of cerebral blood flow we were not able to predict patient stroke outcome by assessment of TCD values at stroke onset.

TCD; patient outcome; stroke

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