Improved automated detection of embolic signals using a novel frequency filtering approach

Stroke

Volumn 30, Issue 8, 1999, Pages 1610-1615

  Markus, Hugh ^a,b   Cullinane, Marisa ^a   Reid, Greg ^c  

^a KING'S COLLEGE LONDON   (United Kingdom)

^b KING'S COLLEGE LONDON   (United Kingdom)

^c NONE

Author keywords

Carotid artery diseases; Cerebral embolism; Signal processing, computer assisted; Ultrasonography

Indexed keywords

ARTICLE; BLOOD FLOW VELOCITY; BRAIN EMBOLISM; CAROTID ARTERY DISEASE; CEREBROVASCULAR DISEASE; DOPPLER ECHOGRAPHY; EMBOLISM; HUMAN; PRIORITY JOURNAL; SIGNAL DETECTION; ULTRASOUND;

EID: 0032807508     PISSN: 00392499     EISSN: None     Source Type: Journal    
DOI: 10.1161/01.STR.30.8.1610     Document Type: Article

References (11)

1. Spencer MP, Thomas GI, Nicholls SC, Sauvage LR. Detection of middle cerebral artery emboli during carotid endarterectomy using transcranial Doppler ultrasonography. Stroke. 1990;21:415-423.
2. Markus H. Transcranial Doppler detection of circulating cerebral emboli: a review. Stroke. 1993;24:1246-1250.
3. Markus HS, Ackerstaff RG, Babikian VL, Bladin C, Droste D, Grosset D, Levi C, Russell D, Siebler M, Tegeler C. Intercenter agreement in reading Doppler embolie signals: a multicenter international study. Stroke. 1997; 28:1307-1310.
4. Markus H, Loh A, Brown MM. Computerized detection of cerebral emboli and discrimination from artifact using Doppler ultrasound. Stroke. 1993;24:1667-1672.
5. Van Zuilen EV, Mess WH, Jansen C, Van der Tweel I, van Gijn J, Ackerstaff RGA. Automatic embolus detection compared with human experts: a Doppler ultrasound study. Stroke. 1996;27:1840-1843.
6. Siebler M, Rose G, Sitzer M, Bender A, Steinmetz H. Real-time identification of cerebral microemboli with US feature detection by a neural network. Radiology. 1994;192:739-742.
7. Markus HS, Reid G. Frequency filtering improves ultrasonic embolic signal detection. Ultrasound Med Biol. In press.
8. Ringlestein EB, Droste DW, Babikian VL, Evans DH, Grosset DG, Kaps M, Markus HS, Russell D, Siebler M, for the International Consensus Group on Microembolus Detection. Consensus on microembolus detection by TCD. Stroke. 1998;29:725-729.
9. Markus HS, Molloy J. The use of a decibel threshold in the detection of embolic signals. Stroke. 1997;28:692-695.
10. Grosset DG, Georgiadis D, Kelman AW, Lees KR. Quantification of ultrasound emboli signals in patients with cardiac and carotid disease. Stroke. 1993;24:1922-1924.
11. Molloy J, Markus HS. Asymptomatic embolization predicts stroke and TIA risk in patients with carotid artery stenosis. Stroke. 1999;30: 1440-1443.