Background: Acute pancreatitis (AP) is a major health threat, with a high mortality rate in severe forms. Though alcohol and bile-induced factors are the most common causes, increasing evidence suggests that viral infections such as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and human immunodeficiency virus (HIV) may also trigger AP development. Our study aims to explore this association in greater detail.
Methods: After the PROSPERO registration, we systematically searched PubMed, Embase, Cochrane Library, China Science and Technology Journal Database, China National Knowledge Infrastructure, and Wanfang Data Knowledge Service Platform in February 2023. We included studies with the following PECO framework: Population: AP patients, Exposure/Comparison: with/without virus infection, Outcome: mortality, severity, and complications of AP. Pooled odds ratios (OR) were calculated with 95 % confidence intervals (CIs).
Results: Altogether, 29 cohorts with 2,295,172 patients were identified for the meta-analysis and 858 cases for the qualitative synthesis. Patients with concurrent SARS-CoV-2 infection and AP exhibited heightened odds of in-hospital mortality (OR: 3.15, CI: 2.08-4.76), and necrosis (OR: 1.83, CI: 1.13-2.97). Mild AP was less prevalent in the SARS-CoV-2 group (OR: 0.37, CI: 0.14-0.97) compared to moderately severe and severe AP together. Contrarily, no evidence was found that concomitant HIV infection elevated in-hospital mortality (OR: 1.12, CI: 0.92-1.37) or sepsis occurrence (OR:1.21, CI: 0.41-3.59).
Conclusion: Patients co-diagnosed with AP and SARS-CoV-2 infection require heightened attention due to an increased risk of mortality and complications. No evidence was found that HIV infection elevated the risk of a more severe outcome.
Keywords: COVID-19; Digestive system; Immune system; Pancreatic disease; Risk factors.
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