A
Aneta Stefanovska
Researcher at Lancaster University
Publications - 224
Citations - 8832
Aneta Stefanovska is an academic researcher from Lancaster University. The author has contributed to research in topics: Blood flow & Nonlinear system. The author has an hindex of 50, co-authored 220 publications receiving 7868 citations. Previous affiliations of Aneta Stefanovska include University of Ljubljana & United States Department of Veterans Affairs.
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Journal ArticleDOI
Wavelet analysis of oscillations in the peripheral blood circulation measured by laser Doppler technique
TL;DR: It was demonstrated that endothelial activity is a rhythmic process that contributes to oscillations in blood flow with a characteristic frequency of around 0.01 Hz, illustrating the potential of laser Doppler flowmetry combined with dynamical systems analysis for studies of both the micro- and macroscopic mechanisms of blood flow regulation in vivo.
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Low-frequency oscillations of the laser Doppler perfusion signal in human skin.
Per Kvandal,Svein Aslak Landsverk,Alan Bernjak,Aneta Stefanovska,Hebe Désirée Kvernmo,Knut Arvid Kirkebøen +5 more
TL;DR: Spectral analysis of the laser Doppler flow signal in the frequency interval from 0.0095-2.0 Hz reveals blood flow oscillations that might be involved in the regulation of this sixth frequency interval, and inhibited nitric oxide synthesis with N(G)-monomethyl-L-arginine (L-NMMA) and prostaglandin synthesis by aspirin.
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Nonlinear dynamics of cardiovascular ageing
TL;DR: It is concluded that analyses of the complex and nonlinear dynamics of the cardiovascular system can illuminate the mechanisms of blood circulation, and that the heart, the lungs and the vascular system function as a single entity in dynamical terms.
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Surrogate data for hypothesis testing of physical systems
Gemma Lancaster,Dmytro Iatsenko,Aleksandra Pidde,Aleksandra Pidde,Valentina Ticcinelli,Aneta Stefanovska +5 more
TL;DR: A detailed overview of a wide range of surrogate types is provided, which include Fourier transform based surrogates, which have since been developed to test increasingly varied null hypotheses while characterizing the dynamics of complex systems, including uncorrelated and correlated noise, coupling between systems, and synchronization.
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Oscillations in the human cutaneous blood perfusion signal modified by endothelium-dependent and endothelium-independent vasodilators
TL;DR: The data indicate that spectral analysis based on wavelet transform of the cutaneous perfusion signal can be used clinically to investigate endothelial function and indicates that endothelium-mediated vasodilatation is manifested as oscillations with a repetition time of approximately 1 min.