2Girardis M, Da Broi V, Antonutco G, et al. The effect of laparoscopic cholecystectomy on cardio cascular function and pulmonary gas exchange[J].Anesth Analg, 1996,83(1) : 134-140.
3Junghans T,Bohm B,Grundel K, et al. Effects of pneumoper itoneum with carbon dioxide, argon, or helium on hemodynamic and respiratory function[J]. Arch Surg,1997,132(2) 272-278.
5Zuckerman R, Gold M, Venkins P,et al. The effects of pneumoperitoneum and patient position on hemodynamics during laparoseopic cholecystectomy[J]. Surg End ose, 2001, 15(6) :562-565.
6Yavuz Y, Rnning K, Lyng O, et al. Effect of increased intraabdominal pressure on cardiac output and tissue blood flow assessed by color-labeled microspheres in the pig[J].Surg Endosc, 2001 ,15(2) :149-155.
9Antoniou SA, Pointner R, Granderath FA. Single-incision laparoscopic cholecystectomy: a systematic review [J]. Surgical Endoscopy, 2011, 25(2): 367-377.
10Ouimet A J, Gawronski B, Dozois DJA. Cognitive vulnerability to anx- iety: A review and an integrative model [J]. Clinical Psychology Revi- ew, 2009, 29(6): 459-470.