Nitin Aggarwal1, Klaus Bielefeldt. 1. Division of Gastroenterology, University of Pittsburgh Medical Center, 200 Lothrop St., Pittsburgh, PA, 15213, USA.
Abstract
AIM: We have recently shown an increase in cholecystectomies for biliary dyskinesia. Based on these results, we hypothesized that diagnostic criteria are less stringently applied which may contribute to ongoing resource utilization. METHODS: Using billing codes, patients seen for biliary dyskinesia were identified and data were extracted from the electronic medical record to confirm the diagnosis, obtain demographic and clinical data and assess resource utilization 1 year prior to and after cholecystectomy. RESULTS: A total of 972 patients were identified, with 894 undergoing cholecystectomy. In 259 patients, symptoms had started <3 months prior to evaluation. Functional gallbladder imaging revealed a mean gallbladder ejection fraction of 23.1 ± 0.7 %; of the patients undergoing surgery, 116 had a normal gallbladder ejection fraction. Sufficient up data for pre- and post-operative assessment of resource utilization was available for 368 patients. Emergency room (ER) visits decreased from 0.86 ± 0.07 to 0.69 ± 0.03 (P < 0.05), while hospitalization rates remained unchanged after surgery. Patients not meeting consensus criteria for the diagnosis of biliary dyskinesia were more likely to use opioids and have ER visits prior to and after cholecystectomy. Using multiple logistic regression benzodiazepine use, migraine history and prior ER visits independently predicted postoperative resource utilization. CONCLUSIONS: Our data demonstrate that a significant number of patients undergo cholecystectomy for biliary dyskinesia, even though they do not meet currently accepted diagnostic criteria. While healthcare resource utilization drops within the first year after surgery, ER visits and hospitalizations remain common, suggesting a more limited benefit of surgical approaches in these patients.
AIM: We have recently shown an increase in cholecystectomies for biliary dyskinesia. Based on these results, we hypothesized that diagnostic criteria are less stringently applied which may contribute to ongoing resource utilization. METHODS: Using billing codes, patients seen for biliary dyskinesia were identified and data were extracted from the electronic medical record to confirm the diagnosis, obtain demographic and clinical data and assess resource utilization 1 year prior to and after cholecystectomy. RESULTS: A total of 972 patients were identified, with 894 undergoing cholecystectomy. In 259 patients, symptoms had started <3 months prior to evaluation. Functional gallbladder imaging revealed a mean gallbladder ejection fraction of 23.1 ± 0.7 %; of the patients undergoing surgery, 116 had a normal gallbladder ejection fraction. Sufficient up data for pre- and post-operative assessment of resource utilization was available for 368 patients. Emergency room (ER) visits decreased from 0.86 ± 0.07 to 0.69 ± 0.03 (P < 0.05), while hospitalization rates remained unchanged after surgery. Patients not meeting consensus criteria for the diagnosis of biliary dyskinesia were more likely to use opioids and have ER visits prior to and after cholecystectomy. Using multiple logistic regression benzodiazepine use, migraine history and prior ER visits independently predicted postoperative resource utilization. CONCLUSIONS: Our data demonstrate that a significant number of patients undergo cholecystectomy for biliary dyskinesia, even though they do not meet currently accepted diagnostic criteria. While healthcare resource utilization drops within the first year after surgery, ER visits and hospitalizations remain common, suggesting a more limited benefit of surgical approaches in these patients.
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