Abstract
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Aims: we aimed to provide a contemporary update on the trends of symptomatic gallbladder-associated hospital admissions and cholecystectomy in Australia and Aotearoa New Zealand (NZ).
Methods: national healthcare registries were used to obtain data on all episodes of cholecystectomy and hospital admissions for patients ≥15 years from public and private healthcare institutions.
Results: In Australia 2000-2019 there were 1,331,631 hospital admissions and 964,097 cholecystectomies, 873,249 90.6% laparoscopic. In NZ 2004-2019 there were 163,084 admissions and 98,294 cholecystectomies. The 15 - 54 year old age group saw operative / admission rates increase by +4.0% / +1.9% in Australia and +6.6% / +4.9% in NZ. Hospital admissions decreased -11.3% in Australia but rose +7.3% in NZ. Cholecystectomy rates declined by -4.1% in Australia and rose +6.8% in NZ. Intervention rate has risen in Australia by 11.8% 67.1% to 75.0% of hospital admissions
Conclusion: there has been a decline in symptomatic gallbladder-associated hospital admissions and interventions in Australia, but a rise in NZ with a shift to the 15 - 54 year age group. Future research should focus on identifying risk factors for increased disease and operative interventions amongst younger demographics.
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