Increased ERCP rate following the introduction of laparoscopic cholecystectomy.
1995
ABSTRACT Over the past 5 years there has been a remarkable change in the manner in which symptomatic gallstones are surgically managed. In this study we reviewed the experience of a large HMO to determine the relationship between the rate of increase of ERCP and that of cholecystectomy. All individuals enrolled in US Healthcare's HMO-PA, in the region of south-eastern Pennsylvania from 1988 through 1993, were included in the analysis. Using the HMO claims database, patients who underwent an open or laparoscopic cholecystectomy during the study period were identified. We then identified those patients who had a pre- or post-operative ERCP. Over the study period, there has been a substantial increase in cholecystectomies per 1000 members—from 1.37 in 1988 to 2.16 (p < 0.0001) in 1993. In our study population there were 1261 ERCPs performed in 979 patients with an average of 1.3 ERCPs per patient during the study period. The ERCP rate per 1000 members has increased from 0.16 to 0.56 (p < 0.0001) from 1988 to...
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