Lateralization of the respiratory control following unilateral cerebral ischemia-reperfusion injury

Mohammadali Mohajel Shoja, R. Shane Tubbs, Masoud Jamshidi, Ghaffar Shokouhi, Khalil Ansarin

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Cerebral control of respiration has been extensively studied but at present, no evidence of cerebral laterality or dominance for respiration exists. We examined the ventilatory changes following temporary (20 min) occlusion of the right or left common carotid artery in rabbits. The corresponding groups of sham-operated rabbits were used as controls. The partial pressure of end-tidal carbon dioxide (PE TC O2) was measured with a microstream capnograph before the operation as well as at 6 h, and days 1, 4, 9 and 15 postoperation and was used to indicate the ventilatory status. The results showed that following temporary occlusion of the left common carotid artery, subjects began hypoventilation and had a progressive rise in PE TC O2 on day 9 postoperation compared to the sham-operated group. However, animals that underwent occlusion of the right common carotid artery hyperventilated from as early as 6 h postoperation to days 1 and 4, an effect that ceased up to day 9 postoperation. It was concluded that respiration might be under differential regulation by the two cerebral hemispheres. While the left hemispheric ischemia-reperfusion injury induced hypoventilation that of the right hemisphere resulted in hyperventilation.

Original languageEnglish (US)
Pages (from-to)204-207
Number of pages4
JournalRespiratory Physiology and Neurobiology
Volume160
Issue number2
DOIs
StatePublished - Feb 1 2008
Externally publishedYes

Fingerprint

Common Carotid Artery
Reperfusion Injury
Brain Ischemia
Hypoventilation
Respiration
Rabbits
Hyperventilation
Partial Pressure
Cerebrum
Carbon Dioxide

Keywords

  • Cerebral hemisphere
  • Control of ventilation
  • Ischemia-reperfusion injury
  • Laterality

ASJC Scopus subject areas

  • Neuroscience(all)
  • Physiology
  • Pulmonary and Respiratory Medicine

Cite this

Lateralization of the respiratory control following unilateral cerebral ischemia-reperfusion injury. / Mohajel Shoja, Mohammadali; Tubbs, R. Shane; Jamshidi, Masoud; Shokouhi, Ghaffar; Ansarin, Khalil.

In: Respiratory Physiology and Neurobiology, Vol. 160, No. 2, 01.02.2008, p. 204-207.

Research output: Contribution to journalArticle

Mohajel Shoja, Mohammadali ; Tubbs, R. Shane ; Jamshidi, Masoud ; Shokouhi, Ghaffar ; Ansarin, Khalil. / Lateralization of the respiratory control following unilateral cerebral ischemia-reperfusion injury. In: Respiratory Physiology and Neurobiology. 2008 ; Vol. 160, No. 2. pp. 204-207.
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