A combined power M-mode and single gate transcranial doppler ultrasound microemboli signal criteria for improving emboli detection and reliability

Journal of Neuroimaging

Volumn 20, Issue 4, 2010, Pages 359-367

  Choi, Youngbin ^a,b,d   Saqqur, Maher ^c   Asil, Talip ^b   Jin, Albert ^e   Stewart, Eileen ^b   Stephenson, Caroline ^b   Ibrahim, Mohamad ^c   Roy, Jayanta ^b   Boulanger, Jean Martin ^b   Coutts, Shelagh ^b   Khan, Firosh ^b,f   Demchuk, Andrew M ^b  

^a The Catholic University of Korea   (South Korea)

^b UNIVERSITY OF CALGARY   (Canada)

^c UNIVERSITY OF ALBERTA   (Canada)

^d SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE   (United States)

^e QUEEN S UNIVERSITY   (Canada)

^f AMALA INSTITUTE OF MEDICAL SCIENCES   (India)

Author keywords

Diagnostic criteria; Microemboli; Power M mode; Transcranial doppler

Indexed keywords

ADULT; AGED; ARTICLE; CAROTID ARTERY DISEASE; CORRELATION COEFFICIENT; DOPPLER ECHOGRAPHY; FEMALE; HUMAN; M MODE ECHOCARDIOGRAPHY; MAJOR CLINICAL STUDY; MALE; NEUROIMAGING; POWER M MODE ECHOCARDIOGRAPHY; PROSPECTIVE STUDY; RADIOLOGICAL PARAMETERS; RELIABILITY; SINGLE GATE TRANSCRANIAL DOPPLER ECHOGRAPHY; STROKE; TRANSIENT ISCHEMIC ATTACK;

AGED; ALGORITHMS; CAROTID ARTERY DISEASES; ECHOENCEPHALOGRAPHY; FEMALE; HUMANS; IMAGE ENHANCEMENT; INTRACRANIAL EMBOLISM; PATTERN RECOGNITION, AUTOMATED; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; ULTRASONOGRAPHY, DOPPLER, TRANSCRANIAL;

EID: 78349282674     PISSN: 10512284     EISSN: 15526569     Source Type: Journal    
DOI: 10.1111/j.1552-6569.2009.00446.x     Document Type: Article

References (27)

1. Russell D, Madden KP, Clark WM, et al. Detection of arterial emboli using Doppler ultrasound in rabbits. Stroke 1991;22:253-258.
2. Sliwka U, Lingnau L, Stohlmann WD, et al. Prevalence and time course of microembolic signals in patients with acute stroke. Stroke 1997;28:358-363.
3. Kaposzta Z, Young E, Bath PMW, et al. Clinical application of asymptomatic embolic signal detection in acute stroke. A prospective study. Stroke 1999;30:1814-1818.
4. Molloy J, Markus HS. Asymptomatic embolization predicts stroke and TIA risk in patients with carotid artery stenosis. Stroke 1999;30:1440-1443.
5. Gao S, Wong KS, Hansberg T, et al. Microembolic signal predicts recurrent cerebral ischaemic events in acute stroke patients with middle cerebral artery stenosis. Stroke 2004;35:2832-2836.
6. Ringelstein EB, Droste DW, Babikian VL, et al. Consensus on microembolus detection by TCD. International Consensus Group on Microembolus detection. Stroke 1998;29:725-729.
7. Azarpazhooh MR, Chambers BR. Clinical application of transcranial Doppler monitoring for embolic signals. J Clin Neurosci 2006;13:799-810.
8. Markus HS, Ackerstaff R, Babikian V, et al. Intercenter agreement in reading Doppler embolic signals. A multicenter international study. Stroke 1997;28:1307-1310.
9. Moehring MA, Spencer MP. Power M-mode Doppler (PMD) for observing cerebral blood flow and tracking emboli. Ultrasound Med Bio 2002;28:49-57.
10. Alexandrov AV, Demchuk AM, Burgin WS. Insonation method and diagnostic flow signatures for transcranial power motion (M-mode) Doppler. J Neuroimaging 2002;12:236-244.
11. Saqqur M, Dean N, Schebel M, et al. Improved detection of microbubble signals using power M-mode Doppler. Stroke 2004;35:e14-e17.
12. Georgiadis D, Goeke J, Hill M, et al. A novel technique for identification of doppler microembolic signals based on the coincidence method. In vitro and in vivo evaluation. Stroke 1996;27:683-686.
13. Smith JL, Evans DH, Naylor AR. Signals from dual gated TCD systems: Curious observations and possible explanations. Ultrasound Med Biol 1997;23:15-24.
14. Smith JL, Evans DH, Fan L, et al. Differentiation between emboli and artifacts using dual-gated transcranial Doppler ultrasound. Ultrasound Med Biol 1996;22:1031-1036.
15. Georgiadis D, Grosset DG, Kelman A, et al. Prevalence and characteristics of intracranial microemboli signals in patients with different types of prosthetic cardiac valve. Stroke 1994;25:587-592.
16. Markus HS, Droste DW, Kaps M, et al. Dual antiplatelet therapy with clopidogrel and aspirin in symptomatic carotid stenosis evaluated using Doppler embolic signal detection: the Clopidogrel and Aspirin for Reduction of Emboli in Symptomatic Carotid Stenosis (CARESS) trial. Circulation 2005;111:2233-2240.
17. Segura T, Serena J, Molins A, et al. Clusters of microembolic signals: a new form of cerebral microembolism presentation in a patient with middle cerebral artery stenosis. Stroke 1998;29:722-724.
18. Markus HS. Monitoring embolism in real time. Circulation 2000;102:826-828.
19. Junghans U, Siebler M. Cerebral microembolism is blocked by tirofiban, a selective nonpeptide platelet glycoprotein IIb/IIIa receptor antagonist. Circulation 2003;107:2717-2721.
20. Levi CR, Stork JL, Chambers BR, et al. Dextran reduces embolic signals after carotid endarterectomy. Ann neurol 2001;50:544-547.
21. Junghans U, Siebler M. Cerebral microembolism is blocked by tirofiban, a selective nonpeptide platelet glycoprotein IIb/IIIa receptor antagonist. Circulation 2003;107:2717-2721.
22. Molloy J, Martin JF, Baskervile PA, et al. S-Nitrosoglutathione reduces the rate of embolization in humans. Circulation 1998;98:1372-1375.
23. Tsivgoulis G, Sharma VK, Hoover SL, et al. Applications and advantages of power motion-mode Doppler in acute posterior circulation cerebral ischemia. Stroke 2008;39:1197-204.
24. Muller M, Reiche W, Langenscheidt P, et al. Ischemia after carotid endarterectomy: comparison between transcranial Doppler sonography and diffusion-weighted MR imaging. AJNR 2000;21:47-54.
25. Molloy J, Markus HS. Multigated Doppler ultrasound in the detection of emboli in a flow model and embolic signals in patients. Stroke 1996;27:1548-1552.
26. Russell D, Brucher R. Online automatic discrimination between solid and gaseous cerebral microemboli with the first multifrequency transcranial Doppler. Stroke 2002;33:1975-1980.
27. Brucher R, Russell D. Automatic online embolus detection and artifact rejection with the first multifrequency transcranial Doppler. Stroke 2002;33:1969-1974.