1[1]O'Leary E, Hubbard K, Tormey W, et al. Laparoscopic cholecystectomy: Haemodynamic and neuroendocrine responses after pneumoperitoneum and changes in position. Br J Anaesth,1996,76:640-644.
2[2]Hirvonen EA, Poikolainen EO, Paakkonen ME, et al. The adverse hemodynamic effects of anesthesia, head-up tilt, and carbon dioxide pneumoperitoneum during laparoscopic cholecystectomy. Surg Endosc,2000,14:272-277.
3[3]Fan SZ, Cheng YJ, Liu CC. Heart rate variability-a useful non-invasive tool in anesthesia. Acta Anaesthesiol Sin,1994,32:51-56.
4[4]Kato M, Komatsu T, Kimura T, et al. Analysis of heart rate variability during isoflurane anesthesia. Anesthesiology,1992,77:669-674.
5[5]Deutschman CS, Harris AP, Fleisher LA. Changes in heart rate variability under propofol anestheisa: a possible explanation for popofol-induced bradycardia. Anesth Analg,1994,79:373-377.
6[6]Johannsen G, Andersen M, Juhl B. The effect of general anesthesia on the haemodynamic events during laparoscopy with CO2 insufflation. Acta Anaesthesiol Scand,1989,33:132-136.
7[7]Nyarwaya JB, Mazoit JX, Samii K. Are pulse oximetry and end-tidal carbon dioxide tension monitoring reliable during laparoscopic surgery? Anaesthesia,1994,49:775-778.
8[8]Rothe CF, Flanagan AD, Maass-Moreno R. Reflex control of vascular capacitance during hypoxia, hypercapnia, or hypoxic hypercapnia. Can J Physiol Pharmacol,1990,68:384-391.