3Pelosi P, Croci M, Calappi E, et al. Prone positioning improves pulmonary function in obese patients during generalanesthesia [J]. AnesthAnalg,1996,83(3): 578 -583.
4Soro M, Garcia-Perez ML, Belda FJ, ct al. Effects of prone po- sition on alveolar dead space and gas exchange during general anaesthesia in surgery of long duration [ J ]. Eur J Anaesthesiol, 2007,24(5) : 431 -437.
5Habre W, Petak F, Sly PD, et al. Protective effects of volatile a- gents against methacholine-induced bronchoconstriction in rats [ J ]. Anesthesiology, 2001,94 ( 2 ) : 348 - 353.
6Goff M J, Arain SR, Ficke D J, et al. Absence of bronchodilation during desflurane anesthesia: a comparison tosevoflurane and thiopental [ J ]. Anesthesiology, 2000,93 ( 2 ) : 404 - 408.
7Mahajan RP, Hennessy N, Aitkenhead AR, et al. Effect of three different surgical prone positions on lung volumes in healthyvol- unteers [ J ]. Anaesthesia, 1994,49 ( 7 ) : 583 - 586.
8Manna EM, Ibraheim OA, Samarkandi AH, et al. The effect of prone position on respiratory mechanics during spinal surgery [ J ]. Middle East J Anesthesiol,2005,18 (3) : 623 - 630.
