Abstract
The aim of the study is to clarify the clinical characteristics of patients with chronic pancreatitis (CP) who had no prior acute pancreatitis (AP) attack. We retrospectively analyzed patients with CP who were admitted to our center between January 2012 and January 2020. A total of 274 patients were divided into the following 3 groups: group A: CP without prior AP (n = 103 [37.6%]), group B: CP preceded by a single episode of AP (n = 39 [14.23%]), and group C: CP preceded by recurrent AP (n = 132 [48.18%]). At the diagnosis, patients in group A had a higher incidence of pancreatic duct stones (41.7% vs 25.8%, P = 0.012), higher proportion of idiopathic CP (68.9% vs 48.5%, P = 0.001), and higher mean pancreatic volume change rate (37.61% vs 10.48%, P = 0.007) compared with Group C. Patients in group A underwent the most episodes of extracorporeal shockwave lithotripsy therapy among the 3 groups (P < 0.001). Approximately 37.6% of patients had no prior AP attack before CP diagnosis. Patients with CP without prior AP had higher incidence of pancreatic duct stones and pancreas volume shrank faster.
Published Version
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