[Results of the introduction of laparoscopic cholecystectomy on morbidity and mortality of gallbladder surgery in a large regional hospital]

P C Schellekens, A B Bijnen, M Honing, J Lourens, P de Ruiter
Nederlands Tijdschrift Voor Geneeskunde 1995 April 8, 139 (14): 723-7

OBJECTIVE: To analyse the impact of the introduction of laparoscopic cholecystectomy on overall morbidity and mortality of gall bladder surgery.

DESIGN: Retrospective study.

SETTING: Medisch Centrum Alkmaar, Alkmaar.

METHODS: All cholecystectomies performed in our final 'prelaparoscopic' year 1990 were compared with all cholecystectomies performed in 1992, the year in which laparoscopic cholecystectomy has become a standard procedure, thus eliminating selection bias. The analysis included morbidity and mortality related to all procedures.

RESULTS: In 1990, 173 open cholecystectomies were performed, in 1992 40, and 146 laparoscopic ones; the conversion rate was 4%. The number of patients undergoing investigation for common bile duct stones did not change, but there was a shift from intraoperative cholangiography to preoperative ERCP. In 1992 more endoscopic sphincterotomies were performed (13.5%, versus 5.4% in 1990; p = 0.02). One patient died from complications due to diagnostic ERCP. There was no difference in mortality rate of all procedures taken together, between the two years (3/186 in 1992 (1.6%); 2/173 in 1990 (1.2%)). The morbidity rate of all procedures in 1992 was slightly less than in 1990 (chi 2 = 1.91; p = 0.2). There were no common bile duct injuries caused by laparoscopy. In 1992, the mean operation time was longer than in 1990 (82 versus 46 min; p < 0.001) and the median postoperative hospital stay was significantly shorter than in 1990 (2 versus 6 days; p < 0.001).

CONCLUSION: Introduction of laparoscopic cholecystectomy was responsible for shorter hospital stays and longer operation times. When common bile duct stones were predicted, endoscopic sphincterotomy was performed more frequently. These changes did not negatively influence morbidity and mortality rates for gall bladder surgery in general.

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