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Anesth Analg 2006;102:1703-1708
© 2006 International Anesthesia Research Society
doi: 10.1213/01.ane.0000216001.36932.a3

ANESTHETIC PHARMACOLOGY

The Effect of Sevoflurane on Ciliary Motility in Rat Cultured Tracheal Epithelial Cells: A Comparison with Isoflurane and Halothane

Shogo Matsuura, MD, Gotaro Shirakami, MD, Hiroko Iida, MD, Keiji Tanimoto, MD, and Kazuhiko Fukuda, MD

Department of Anesthesia, Kyoto University Hospital, Kyoto, Japan

Address correspondence and reprint requests to Gotaro Shirakami, MD, Department of Anesthesia, Kyoto University Hospital, Kyoto 606-8507, Japan. Address e-mail to gshi{at}kuhp.kyoto-u.ac.jp.

Halothane and isoflurane potently depress airway ciliary motility. We compared the effect of sevoflurane on ciliary beat frequency (CBF) with that of halothane and isoflurane using purified and cultured rat tracheal epithelial cells. Rat tracheal epithelial cells were isolated from adult male Sprague-Dawley rats to establish an air-liquid interface culture. Apical surfaces of the cells were exposed to a fresh gas containing humidified and warmed (25°C) air (vehicle) with or without sevoflurane (0%–4%), halothane (0%–2%), or isoflurane (0%–2%). The images of motile cilia were videotaped and CBF was analyzed using a computer. Baseline CBF (= 100%) and CBF 30 min after the exposure were measured. CBF 30 min after vehicle exposure was 101% ± 4% (mean ± sd). Exposures to 0.25%–2% sevoflurane did not change CBF significantly, although exposures to 0.25%–2% halothane or isoflurane decreased CBF dose-dependently. CBFs 30 min after exposures to 2% of sevoflurane, halothane, and isoflurane were 97% ± 9%, 56% ± 14%, and 47% ± 6%, respectively (n = 5 each). Sevoflurane 4% reduced CBF significantly but slightly (84% ± 2%, n = 5). These results show that sevoflurane has a direct cilioinhibitory action but its action is much weaker than that of halothane and isoflurane in isolated rat tracheal epithelial cells.






Lippincott, Williams & Wilkins Anesthesia & Analgesia® is published for the International Anesthesia Research Society® by Lippincott Williams & Wilkins with the assistance of Stanford University Libraries' HighWire Press®. Copyright 2006 by the International Anesthesia Research Society. Online ISSN: 1526-7598   Print ISSN: 0003-2999 HighWire Press
Copyright © 2006 by the International Anesthesia Research Society.