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Muscle sympathetic nerve activity during apneic episodes in patients with obstructive sleep apnea syndrome
T Shimizu1, Y Takahashi, S Kogawa
1Department of Neuropsychiatry, Akita University School of Medicine, Japan.
Electroencephalography and Clinical Neurophysiology
|October 1, 1994
Abstract:
Muscle sympathetic nerve activity (MSNA) was recorded from peroneal nerve in 4 OSAS patients during sleep. During apneic episode, MSNA was enhanced, but it did not increase progressively toward the end of the apneic episode. MSNA remained at a stable level in the later part of an apneic episode. A surge of MSNA took place just preceding or just at the end of an apneic episode and it was followed by a transient marked blood pressure elevation.