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High hsCRP Concentration Is Associated With Acute Pancreatitis in Multifactorial Chylomicronemia Syndrome
Simon-Pierre Guay1,2, Martine Paquette1, Chantal Blais1
1Genetic Dyslipidemias Clinic, Montreal Clinical Research Institute, Montréal, Québec, H2W 1R7, Canada.
Background:
Multifactorial chylomicronemia syndrome (MCS) is a severe form of hypertriglyceridemia (hyperTG) associated with an increased risk of acute pancreatitis. However, the risk of acute pancreatitis is very heterogenous in MCS. Previous studies suggested that inflammation might promote disease progression in hyperTG-induced acute pancreatitis.
Objective:
To determine if low-grade inflammation is associated with acute pancreatitis in MCS.
Methods:
This study included 102 subjects with MCS for whom high-sensitivity C-reactive protein (hsCRP) concentration was measured at their first visit at the Montreal Clinical Research Institute.
Results:
Patients with MCS who had a previous history of acute pancreatitis had a significant higher hsCRP concentration (4.62 mg/L vs 2.61 mg/L; P = .003), and high hsCRP concentration (≥ 3 mg/L) was independently associated with acute pancreatitis prevalence (P < .05). Up to 64% of the variability in acute pancreatitis prevalence was explained by the maximal triglycerides (TG) concentration, hsCRP concentration, the presence of rare variants in TG-related genes, and fructose intake, based on a stepwise multivariate regression model (P < .0001).
Conclusion:
This retrospective study showed for the first time that hsCRP concentration is strongly associated with acute pancreatitis prevalence in MCS. It also suggests that low-grade inflammation may be a driver of acute pancreatitis in severe hypertriglyceridemia. Prospective studies could help determine the causality of this association and assess whether medication known to reduce low-grade inflammation could help prevent acute pancreatitis in individuals with severe hypertriglyceridemia.
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