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Synchronization of cerebral and peripheral blood flow at the latent stage of stroke

Author

Listed:
  • Olga N. Pavlova

    (Saratov State University, Astrakhanskaya Str. 83, Saratov 410012, Russia)

  • Arkady S. Abdurashitov

    (Saratov State University, Astrakhanskaya Str. 83, Saratov 410012, Russia)

  • Andrey V. Terskov

    (Saratov State University, Astrakhanskaya Str. 83, Saratov 410012, Russia)

  • Oxana V. Semyachkina-Glushkovskaya

    (Saratov State University, Astrakhanskaya Str. 83, Saratov 410012, Russia)

  • Alexey N. Pavlov

    (Saratov State University, Astrakhanskaya Str. 83, Saratov 410012, Russia†Yuri Gagarin State Technical University of Saratov, Politechnicheskaya Str. 77, Saratov 410054, Russia)

Abstract

Synchronization between cerebral and peripheral circulation at the pre-stroke stage is discussed in newborn rats using a model of stress-induced hemorrhagic stroke. It is considered how the degree of coherence between the rhythmic components of the blood flow velocity is varied under normal and pathological conditions. It is shown that the degree of entrainment changes significantly after severe stress, provoking the transformation of normal vascular dynamics into pathological ones. Strong increase in the coherence measure is revealed, characterizing the entrainment in the dynamics of blood flow in the microvascular network surrounding the sagittal sinus and in the vein of the neck. Such changes can be considered as a precursor of the latent stage of stroke development in risk groups.

Suggested Citation

  • Olga N. Pavlova & Arkady S. Abdurashitov & Andrey V. Terskov & Oxana V. Semyachkina-Glushkovskaya & Alexey N. Pavlov, 2020. "Synchronization of cerebral and peripheral blood flow at the latent stage of stroke," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 31(02), pages 1-12, February.
    • Handle: RePEc:wsi:ijmpcx:v:31:y:2020:i:02:n:s0129183120500308
    DOI: 10.1142/S0129183120500308
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