Quantitative analysis of mesenteric microcirculatory disturbances induced by autonomic nervous irritation.

Y. Y. Liu, S. Miura, Hidekazu Suzuki, I. Kurose, D. Fukumura, M. Suzuki, M. Suematsu, M. Tsuchiya

Research output: Contribution to journalArticle

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Abstract

In this study, we have demonstrated that repeated electrical stimuli to the artery of the mesenteric pedicle can produce mesenteric microcirculatory disturbance by autonomic nervous irritation in rats. The parameters to demonstrate microcirculatory damage were observed and quantitatively analyzed using the intravital microscopy after electrical stimulation for 40 minutes. The blood flow of arterioles and venules in the mesentery showed ischemia-reperfusion pattern during the repeated electrical stimulations. The diameter of arterioles did not show significant change, while RBC velocity of arterioles was significantly decreased at 30 min after the irritation. The RBC velocity in venules was decreased from the early period to about 20%. But this values were not significantly dropped during the later observation period, suggesting the formation of short circuit flow by passing the collapsed capillary beds. The number of rolling WBC in the venules was notably increased at the time immediately after irritation, and thereafter the number of rolling WBC number was rather reduced. The number of sticking WBC in venules was time-dependently increased and reached its maximum at 30 min. When permeability of venular wall was determined by the injection of pontamine sky blue, significant increase in permeability was already shown immediately after irritation, suggesting that the integrity of microvascular wall was disturbed in this early period. The permeated area expanded thereafter in parallel with the increase in sticking WBC number. From these observations, it is suggested that endothelial cell damage and following leukocyte-endothelium interaction induced by autonomic nerve irritation appear to be an important factor in microcirculatory disturbances.

Original languageEnglish
Pages (from-to)128-133
Number of pages6
JournalKeio Journal of Medicine
Volume41
Issue number3
Publication statusPublished - 1992 Sep

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Venules
Arterioles
Electric Stimulation
Permeability
Autonomic Pathways
Mesenteric Arteries
Mesentery
Reperfusion
Endothelium
Leukocytes
Ischemia
Endothelial Cells
Observation
Injections

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Liu, Y. Y., Miura, S., Suzuki, H., Kurose, I., Fukumura, D., Suzuki, M., ... Tsuchiya, M. (1992). Quantitative analysis of mesenteric microcirculatory disturbances induced by autonomic nervous irritation. Keio Journal of Medicine, 41(3), 128-133.

Quantitative analysis of mesenteric microcirculatory disturbances induced by autonomic nervous irritation. / Liu, Y. Y.; Miura, S.; Suzuki, Hidekazu; Kurose, I.; Fukumura, D.; Suzuki, M.; Suematsu, M.; Tsuchiya, M.

In: Keio Journal of Medicine, Vol. 41, No. 3, 09.1992, p. 128-133.

Research output: Contribution to journalArticle

Liu, YY, Miura, S, Suzuki, H, Kurose, I, Fukumura, D, Suzuki, M, Suematsu, M & Tsuchiya, M 1992, 'Quantitative analysis of mesenteric microcirculatory disturbances induced by autonomic nervous irritation.', Keio Journal of Medicine, vol. 41, no. 3, pp. 128-133.
Liu YY, Miura S, Suzuki H, Kurose I, Fukumura D, Suzuki M et al. Quantitative analysis of mesenteric microcirculatory disturbances induced by autonomic nervous irritation. Keio Journal of Medicine. 1992 Sep;41(3):128-133.
Liu, Y. Y. ; Miura, S. ; Suzuki, Hidekazu ; Kurose, I. ; Fukumura, D. ; Suzuki, M. ; Suematsu, M. ; Tsuchiya, M. / Quantitative analysis of mesenteric microcirculatory disturbances induced by autonomic nervous irritation. In: Keio Journal of Medicine. 1992 ; Vol. 41, No. 3. pp. 128-133.
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