Comment on

• The effects of elevated intraabdominal pressure, hypercarbia, and positioning on the hemodynamic responses to laparoscopic colectomy in pigs.

  Horvath KD, Whelan RL, Lier B, Viscomi S, Barry L, Buck K, Bessler M. Horvath KD, et al. Surg Endosc. 1998 Feb;12(2):107-14. doi: 10.1007/s004649900608. Surg Endosc. 1998. PMID: 9479722
• The effects of pneumoperitoneum on gastric blood flow and traditional hemodynamic measurements.

  Knolmayer TJ, Bowyer MW, Egan JC, Asbun HJ. Knolmayer TJ, et al. Surg Endosc. 1998 Feb;12(2):115-8. doi: 10.1007/s004649900609. Surg Endosc. 1998. PMID: 9479723
• Hemodynamic and pulmonary changes during and after laparoscopic cholecystectomy. A comparison with traditional surgery.

  Volpino P, Cangemi V, D'Andrea N, Cangemi B, Piat G. Volpino P, et al. Surg Endosc. 1998 Feb;12(2):119-23. doi: 10.1007/s004649900610. Surg Endosc. 1998. PMID: 9479724 Clinical Trial.
• Comparison of pneumoperitoneum and abdominal wall lifting as to hemodynamics and surgical stress response during laparoscopic cholecystectomy.

  Ninomiya K, Kitano S, Yoshida T, Bandoh T, Baatar D, Matsumoto T. Ninomiya K, et al. Surg Endosc. 1998 Feb;12(2):124-8. doi: 10.1007/s004649900611. Surg Endosc. 1998. PMID: 9479725
• Laparoscopic insufflation of the abdomen reduces portal venous flow.

  Jakimowicz J, Stultiëns G, Smulders F. Jakimowicz J, et al. Surg Endosc. 1998 Feb;12(2):129-32. doi: 10.1007/s004649900612. Surg Endosc. 1998. PMID: 9479726