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A comparative analysis of the persistence of capillary blood flow oscillations in the left and right rat kidneys

  • Complex Systems Biophysics
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Abstract

Several parameters of the nonlinear dynamics of blood flow oscillations were studied in the left and right rat kidneys in baseline conditions and a perturbed state. An intramuscular injection of aspirin in 0.9% saline (0.5 mg per 100 g body weight) was used as a perturbation factor. Capillary blood flow was measured at baseline and 50 min after the aspirin injection by laser Doppler flowmetry. The persistence of time series was estimated by the Hurst method. Baseline time series were persistent in the right kidney and nonpersistent in the left kidney. Aspirin-perturbed time series were persistent in both the right and left kidneys, but the Hurst index was significantly higher in the left kidney. The results showed that the microcirculatory bed of the right rat kidney is more stable to perturbation as compared with that of the left kidney.

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Abbreviations

CBF:

capillary blood flow

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Authors and Affiliations

  1. Anokhin Institute of Normal Physiology, ul. Baltiiskaya 8, Moscow, 125315, Russia

    L. V. Mezentseva & S. S. Pertsov

  2. Institute of General Pathology and Pathophysiology, ul. Baltiiskaya 8, Moscow, 125315, Russia

    V. K. Hugaeva

Authors
  1. L. V. Mezentseva
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  2. S. S. Pertsov
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  3. V. K. Hugaeva
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Additional information

Original Russian Text © L.V. Mezentseva, S.S. Pertsov, V.K. Hugaeva, 2016, published in Biofizika, 2016, Vol. 61, No. 4, pp. 777–781.

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Mezentseva, L.V., Pertsov, S.S. & Hugaeva, V.K. A comparative analysis of the persistence of capillary blood flow oscillations in the left and right rat kidneys. BIOPHYSICS 61, 656–660 (2016). https://doi.org/10.1134/S0006350916040163

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  • DOI: https://doi.org/10.1134/S0006350916040163

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