Abstract
Background
Obesity is epidemic in the USA. Limited data exist examining obesity’s influence on necrotizing pancreatitis (NP) disease course.
Methods
Retrospective review of prospectively maintained database of 571 adult necrotizing pancreatitis patients treated between 2007 and 2018. Patients were grouped according to body mass index (BMI) at disease onset. Patient characteristics, necrotizing pancreatitis course, and outcomes were compared between non-obese (BMI < 30) and obese (BMI > 30) patients.
Results
Among 536 patients with BMI data available, 304 (57%) were obese (BMI > 30), and 232 (43%) were non-obese (BMI < 30). NP etiology in the obese group was more commonly biliary (55% versus 46%, p = 0.04) or secondary to hypertriglyceridemia (10% versus 2%, p < 0.001) and less commonly alcohol (17% versus 26%, p = 0.01). Obese patients had a higher incidence of baseline comorbid disease. The CT severity index was similar between groups though obese patients had a higher rate of > 50% pancreatic gland necrosis (27% versus 19%, p = 0.02). The rates of infected necrosis and organ failure were higher among obese patients. Percutaneous drainage was more common in obese patients. Time to first necrosis intervention was earlier with increasing BMI. NP disease duration was longer in obese patients. The overall mortality rate of non-obese and obese patients did not differ. However, mortality rate increased with increasing BMI.
Conclusion
Necrotizing pancreatitis in obese patients is characterized by a prolonged disease course, a higher risk of organ failure, infected necrosis, and the need for early necrosis-related intervention. Mortality increases with increasing BMI.
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SP McGuire, SL Keller, TK Maatman, and KA Lewellen were involved in acquisition, analysis, and interpretation of data. SP McGuire and NJ Zyromski drafted and revised the manuscript. SP McGuire, TK Maatman, EP Ceppa, MG House, A Nakeeb, TK Nguyen, SN Quigley, CM Schmidt, and NJ Zyromski were involved in the conception of the project, interpretation of the data, and revision of work. All authors were involved in the final approval. NJ Zyromski serves as the mentor and corresponding author and agrees to be accountable for the work.
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McGuire, S.P., Keller, S.L., Maatman, T.K. et al. Obesity Worsens Local and Systemic Complications of Necrotizing Pancreatitis and Prolongs Disease Course. J Gastrointest Surg 26, 2128–2135 (2022). https://doi.org/10.1007/s11605-022-05383-0
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DOI: https://doi.org/10.1007/s11605-022-05383-0