Influence of transducer frequency on Doppler microemboli signals in an in vivo model

Neurological Research

Volumn 20, Issue 3, 1998, Pages 198-200

  Georgiadis, D ^a   Wenzel, A ^a   Zerkowski, H R ^a   Zierz, S ^a   Lindner, A ^a  

^a MARTIN LUTHER UNIVERSITY HALLE WITTENBERG   (Germany)

Author keywords

Cardiac surgery; Embolism; Ultrasonics

Indexed keywords

ARTICLE; CLINICAL ARTICLE; CORONARY ARTERY BYPASS SURGERY; DOPPLER ECHOGRAPHY; EXTRACORPOREAL CIRCULATION; EXTRACORPOREAL OXYGENATION; HUMAN; MICROEMBOLISM; PATIENT MONITORING; RELIABILITY; REPRODUCIBILITY; ULTRASOUND TRANSDUCER;

EID: 0031894957     PISSN: 01616412     EISSN: None     Source Type: Journal    
DOI: 10.1080/01616412.1998.11740506     Document Type: Article

References (11)

1. Cullinane M, Markus HR. Improved detection of embolic signals with a low frequency 1 MHz transducer. Eur J Ultrasound 1997; 5(Suppl 1): S42 (abstract)
2. Consensus Committee of the Ninth International Cerebral Hemodynamics Symposium: Basic identification criteria of Doppler miceoembolic signals. Stroke 1995; 26: 1123
3. Fleiss JL. Statistical methods for rates and proportions. In: Statistical Methods and Proportions. 2nd edn. New York: J. Wiley & Sons, 1981: pp. 212-225
4. Moehring MA, Spencer MP, Radford RL, McDaniel MD, Mattson CA. Low frequency annular transducers for detecting and characterizing microemboli in cardiopulmonary bypass (CPB) flow circuits with the embolus to blood power ratio. Eur J Ultrasound 1997; 5(suppl 1): S41 (abstract)
5. Clark RE, Brillman J, Davis DA, Lovell MR, Price TRP, Magovern GJ. Microemboli during coronary artery bypass grafting. J Thorac Cardiovasc Surg 1995; 109: 249-258
6. Pugsley W, Klinger L, Paschalis C, Treasure T, Harrison M, Newman S. The impact of microemboli during cardiopulmonary bypass on neuropsychological functioning. Stroke 1994; 25: 1393-1399
7. Barbut D, Lo YW, Gold JP, Trifiletti RR, Yao F, Hager DN, Hinton RB, Isom OW. Impact of embolization during coronary artery bypass grafting on outcome and length of stay. Ann Thorac Surg 1997; 63: 998-1002
8. Babikian VL, Hyde C, Pochay V, Winter MR. Clinical correlates of high-intensity transient signals detected on transcranial Doppler in patients with cerebrovascular disease. Stroke 1994; 25: 1570-1573
9. Siebler M, Nachtmann A, Sitzer M, Rose C, Kleinschmidt A, Rademacher J, Steinmetz H. Cerebral microembolism and the risk of ischemia in asymptomatic high-grade internal carotid artery stenosis. Stroke 1995; 26: 2184-2186
10. Sitzer M, Siebler M, Steinmetz H. Silent emboli and their relation to clinical symptoms in extracranial carotid artery disease. Cerebrovasc Dis 1995; 5: 121-123
11. Grosset DG, Georgiadis D, Kelman AW, Lees KR. Quantification of emboli from cardiac, carotid source. Stroke 1993; 24: 1922-1924