Differentiation between gaseous and formed embolic materials in vivo. Application in prosthetic heart valve patients. | Zendy

Dimitrios Georgiadis | Zendy; Tom G. Mackay | Zendy; A. W. Kelman | Zendy; Donald G. Grosset | Zendy; D J Wheatley | Zendy; Kennedy R. Lees | Zendy

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Differentiation between gaseous and formed embolic materials in vivo. Application in prosthetic heart valve patients.

Author(s) -

Dimitrios Georgiadis,

Tom G. Mackay,

A. W. Kelman,

Donald G. Grosset,

D J Wheatley,

Kennedy R. Lees

Publication year - 1994

Publication title -

stroke

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.397

H-Index - 319

eISSN - 1524-4628

pISSN - 0039-2499

DOI - 10.1161/01.str.25.8.1559

Subject(s) - medicine , embolus , doppler effect , transcranial doppler , in vivo , embolic stroke , heart valve , signal (programming language) , atrial fibrillation , prosthesis , embolism , cardiology , radiology , biomedical engineering , surgery , ischemic stroke , ischemia , physics , microbiology and biotechnology , astronomy , biology , computer science , programming language

Doppler emboli detection is an established technique, but the nature of the underlying embolic material remains unclear. The intensity and spectral distribution of emboli signals could help to distinguish between signals arising from formed and gaseous emboli. We undertook this study to develop and evaluate a differentiation algorithm based on the spectral characteristics of emboli signals. Subsequently the algorithm was applied to patients with mechanical prosthetic cardiac valves.

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