Table 1

Studies on transcranial colour coded duplex sonography for the assessment of intracranial haemodynamics in patients with ischaemic anterior hemispheric stroke

ReferenceNumber of patientsTime since stroke onsetMCA occlusion (M1 segment)Reference methodPatients with reference method
*Estimated from mean (SD) 8.1 (6.6) days; †most patients.
MCA, Middle cerebral artery; n.d., not done; n.a., not available; DSA, digital subtraction angiography; MRA, magnetic resonance angiography; CTA, computed tomography angiography.
Seidel et al. (1995)248≤48 hours15n.d.0
Baumgartner et al. (1997)333n.a.0DSA6
Kenton et al. (1997)539≤24 hours10MRA30
Goertler et al. (1998)623≤5 hours4DSA1
Gahn et al. (1999)734≤21 days*3CTA34
Gerriets et al. (1999)447≤12 hours†18DSA/MRA11
Postert et al. (1999)890≤12 hours20CTA39
Present study58≤6 hours25MRA/CTA/DSA32