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Cost-effectiveness of bariatric and metabolic surgery, and implications of COVID-19 in the United Kingdom

Galvain, T, Patel, S, Kabiri, M, Tien, S, Casali, G and Pournaras, DJ (2021) Cost-effectiveness of bariatric and metabolic surgery, and implications of COVID-19 in the United Kingdom. Surgery for Obesity and Related Diseases, 17 (11). pp. 1897-904. ISSN 1550-7289

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Background: People living with obesity have been among those most disproportionately impacted by the COVID-19 pandemic, highlighting the urgent need for increased provision of bariatric and metabolic surgery (BMS).
Objectives: To evaluate the possible clinical and economic benefits of BMS compared with nonsurgical treatment options in the UK, considering the broader impact that COVID-19 has on people living with obesity.
Setting: Single-payer healthcare system (National Health Service, England).
Methods: A Markov model compared lifetime costs and outcomes of BMS and conventional treatment among patients with body mass index (BMI) ≥ 40 kg/m2, BMI ≥ 35 kg/m2 with obesity-related co-morbidities (Group A), or BMI ≥ 35 kg/m2 with type 2 diabetes (T2D; Group B). Inputs were sourced from clinical audit data and literature sources; direct and indirect costs were considered. Model outputs included costs and quality-adjusted life years (QALYs). Scenario analyses whereby patients experienced COVID-19 infection, BMS was delayed by five years, and BMS patients underwent endoscopy were conducted.
Results: In both groups, BMS was dominant versus conventional treatment, at a willingness-to-pay threshold of £25,000/QALY. When COVID-19 infections were considered, BMS remained dominant and, across 1000 patients, prevented 117 deaths, 124 hospitalizations, and 161 intensive care unit admissions in Group A, and 64 deaths, 65 hospitalizations, and 90 intensive care unit admissions in Group B. Delaying BMS by 5 years resulted in higher costs and lower QALYs in both groups compared with not delaying treatment.
Conclusion: Increased provision of BMS would be expected to reduce COVID-19-related morbidity and mortality, as well as obesity-related co-morbidities, ultimately reducing the clinical and economic burden of obesity.

Item Type: Article
Uncontrolled Keywords: 1103 Clinical Sciences, 1117 Public Health and Health Services
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
R Medicine > R Medicine (General)
R Medicine > RD Surgery
Divisions: Computer Science & Mathematics
Publisher: Elsevier
Related URLs:
Date Deposited: 08 Apr 2022 11:18
Last Modified: 08 Apr 2022 11:30
DOI or Identification number: 10.1016/j.soard.2021.07.009
URI: https://researchonline.ljmu.ac.uk/id/eprint/16631

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