ROLE OF PREOPERATIVE ULTRASONOGRAPHY IN IDENTIFYING POTENTIAL PROBLEMS IN LAPAROSCOPIC CHOLECYSTECTOMY.

Litwin DE, Girotti MJ, Poulin EC, et al: laparoscopic cholecystectomy Trans-Canada experience with 2,201 cases. Can J Surg 35: 291-296,1992.

Legorreta AP, Silber JH, Costantino GN, Kobylinski RW, Zatz SL. Increased cholecystectomy rate after the introduction of laparoscopic cholecystectomy. JAMA 1993; 270 (12): 1429-32

Vander Velpen G C, Shimi S M, Cuschieri A. Outcome after cholecystectomy for symptomatic gallstone disease and effect of surgical access: laparoscopic v open approach. Gut 1993; 34: 1448-51.

Nathanson L K Shimi S, Cuschieri A. Laparoscopic cholecystectomy : the Dundee technique. BrJ Surg 1991; 78: 155-9

Nathanson L K, Easter D W, Cuschieri A. Ligation of the structures of the cystic pedicle during laparoscopic cholecystectomy. Am J Surg 1991;161 350-4

Meyers WC: A prospective analysis of 1,518 laparoscopic cholecystectomies. N Engl J Med 324:1072-1078,1991.

Eagle K M, Brudage B H, ChaitmanB R etal. Guidelines for perioperative cardiovascular evaluation for noncardiac surgery: report of ACC/AHA Task Force on Practice Guidelines. Circulation 1996; 93: 278- 317

McLoughlin RF, Gibney RG, Mealy K, et al: Radiological investigation in laparoscopic compared with conventional cholecystectomy an early assessment. Clin Radiol 45:267- 270, 1992.

Lam C M, Murray F E, Cuschieri A. Increased cholecystectomy rate after the introduction of laparoscopic cholecystectomy in Scotland. Gut 1996; 38: 282-4

Zucker KA, Bailey RW, Gadacz TR, et al: laparoscopic guided cholecystectomy. Am J Surg 161:36-42, 1991.