Sources of variability in the detection of cerebral emboli with transcranial doppler during cardiac surgery

Journal of Neuroimaging

Volumn 16, Issue 2, 2006, Pages 126-132

  Rodriguez, Rosendo A ^a   Rubens, Fraser ^a   Rodriguez, Carlos D ^a   Nathan, Howard J ^a  

^a UNIVERSITY OF OTTAWA HEART INSTITUTE   (Canada)

Author keywords

Cardiopulmonary bypass; Cerebral embolization; Transcranial Doppler

Indexed keywords

ARTICLE; ARTIFACT; BRAIN EMBOLISM; CARDIOPULMONARY BYPASS; COMPUTER PROGRAM; CORONARY ARTERY BYPASS GRAFT; DOPPLER ECHOGRAPHY; FOURIER TRANSFORMATION; HEART SURGERY; HUMAN; ROC CURVE;

ARTIFACTS; CORONARY ARTERY BYPASS; HUMANS; INTRACRANIAL EMBOLISM; ROC CURVE; SENSITIVITY AND SPECIFICITY; ULTRASONOGRAPHY, DOPPLER, TRANSCRANIAL;

EID: 33645458802     PISSN: 10512284     EISSN: 15526569     Source Type: Journal    
DOI: 10.1111/j.1552-6569.2006.00035.x     Document Type: Article

References (24)

1. Murkin JM Etiology and incidence of brain dysfunction after cardiac surgery J Cardiothorac Vasc Anesth 1999 13 4 suppl 1 12 17
2. Fearn SJ Pole R Wesnes K Faragher EB Hooper TL McCollum CM Cerebral injury during cardiopulmonary bypass: emboli impair memory J Thorac Cardiovasc Surg 2001 121 1150 1160
3. 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
4. Markus HS Molloy J Use of a decibel threshold in detecting Doppler embolic signals Stroke 1997 28 692 695
5. Droste DW Hagedorn G Nötzold A Siemens H-J Sievers HH Kaps M Bigated transcranial Doppler for the detection of clinically silent circulating emboli in normal persons and patients with prosthetic cardiac valves Stroke 1997 28 588 592
6. Cullinane M Reid G Dittrich R et al Evaluation of new online automated embolic signal detection algorithm, including comparison with panel of international experts Stroke 2000 31 1335 1341
7. Markus HS Ackerstaff R Babikian V et al Inter-center agreement in reading Doppler embolic signals. A multicenter international study Stroke 1997 28 1307 1310
8. Mullges W Franke D Reents W Babin-Ebell J Brain microembolic counts during extracorporeal circulation depend on aortic cannula position Ultrasound Med Biol 2001 27 933 936
9. Sylivris S Levi C Matalanis G et al Pattern and significance of cerebral microemboli during coronary artery bypass grafting Ann Thorac Surg 1998 66 1674 1678
10. Jacobs A Neveling M Horst M et al Alterations of neuropsychological function and cerebral glucose metabolism after cardiac surgery are not related only to intraoperative microembolic events Stroke 1998 29 660 667
11. Georgiadis D Wenzel A Zerkowski HR Zierz S Lindner A Automated intraoperative detection of Doppler microembolic signals using the bigate approach Stroke 1998 29 137 139
12. Taylor RL Borger MA Weisel RD Fedorko L Feindel CM Cerebral microemboli during cardiopulmonary bypass: increased emboli during perfusionist interventions Ann Thorac Surg 1999 68 89 93
13. Markus HS Thomson ND Brown MM Asymptomatic cerebral embolic signals in symptomatic and asymptomatic carotid artery disease Brain 1995 118 Pt 4 1005 1011
14. Devuyst G Darbellay GA Vesin J-M et al Automatic classification of HITS into artifacts or solid or gaseous emboli by a wavelet representation combined with dual-gate TCD Stroke 2001 32 2803 2809
15. Bland JM Altman DG Statistical methods for assessing agreement between two methods of clinical measurement Lancet 1986 1 307 310
16. Marvasti S Gillies D Marvasti F Markus HS Online automated detection of cerebral embolic signals using a wavelet-based system Ultrasound Med Biol 2004 30 647 653
17. Cullinane M Kaposzta Z Reihill S Markus HS Online automated detection of cerebral embolic signals from a variety of embolic sources Ultrasound Med Biol 2002 28 1271 1277
18. Rodriguez RA Giachino A Hosking M Nathan HJ Transcranial Doppler characteristics of different embolic material during in vivo testing J Neuroimaging 2002 12 259 266
19. Georgiadis D Mackay TG Kelman AW Grosset DG Wheatley DJ Lees KR Differentiation between gaseous and formed embolic materials in vivo. Application in prosthetic heart valve patients Stroke 1994 25 1559 1563
20. Kaps M Hansen J Weiher M Tiffert K Kayser I Droste DW Clinically silent microemboli in patients with artificial prosthetic aortic valves are predominantly gaseous and not solid Stroke 1997 28 322 325
21. Markus HS Brown MM Differentiation between different pathological cerebral embolic materials using transcranial Doppler in an in vitro model Stroke 1993 24 1 5
22. Kurusz M Butler BD Bubbles and bypass: an update Perfusion 2004 19 S49 S55
23. Blauth CI Macroemboli and microemboli during cardiopulmonary bypass Ann Thorac Surg 1995 59 1300 1303
24. Brown WR Moddy DM Challa VR Stump DA Histologic studies of brain microemboli in humans and dogs after cardiopulmonary bypass Echocardiography 1996 13 559 566