Retrospective Study
Copyright ©The Author(s) 2022.
World J Gastrointest Endosc. Jun 16, 2022; 14(6): 376-386
Published online Jun 16, 2022. doi: 10.4253/wjge.v14.i6.376
Table 1 Demographic and clinical features of the 64 patients analyzed
Parameter
n = 81
EUS diagnosis, n = 64
Missed EUS diagnosis, n = 17
P value
Male, n (%)51 (63)43 (67)8 (46)0.208
Age at enrollment, mean ± SD, yr61 ± 1862 ± 1859 ± 16
Previous cholecystectomy, n (%)19 (23)18 (28)00.028
Recurrent pancreatitis, n (%)14 (17)14 (22)00.101
One episode, n (%)7 (9)
≥ 2 episodes, n (%)6 (7)
Amylase, median (range)468 (107-4988)465 (123-4988)500 (107-4753)0.861
Lipase, median (range)777 (87-23840)774 (87-23840)780 (96-12800)0.914
Gamma-glutamyl transpeptidase, median (range)70 (9-1665)70 (9-1665)125 (11-640)0.707
Alkaline phosphatase, median (range)78 (32877)78 (32-877)90 (32-185)0.707
Direct bilirubin, median (range)0.7 (0.2-8.5)0.4 (0.2-3)0.7 (0.2-8.5)0.933
Alanine aminotransferase, median (range)34 (6-793)34 (6-793)33 (7-596)0.488
Aspartate aminotransferase, median (range)38 (11-704)34 (11-704)33 (15-301)0.732
Abdominal US, n (%)72 (89)63 (98)9 (54)< 0.001
Abdominal CECT, n (%)72 (89)56 (88)16 (94)1.000
MRCP, n (%)32 (39)28 (44)4 (24)0.220
EUS findings, n (%)NANANA
Normal (final IAP diagnosis)17 (21)
Biliary16 (20)
Microlithiasis / biliary sludge9 (11)
Acute on chronic pancreatitis25 (31)
Solid or cystic lesions11 (14)
Pancreatic adenocarcinoma4 (5)
Ampullary adenoma2 (3)
BD-IPMN with high-risk stigmata or worrisome features5 (6)
Pancreas divisum4 (5)
Ductal anomaly4 (5)
Autoimmune criteria4 (5)
Table 2 Frequencies of acute pancreatitis etiologies at endoscopic ultrasound according to the type of previous negative exam/s

Type of previous negative exam/s
Type of AP etiology at EUS
US
CECT
MRCP
US + CECT
US + MRCP
CECT + MRCP
US + CECT + MRCP
Biliary; microlithiasis/biliary sludge20%; 10% 16%; 5% 17%; 17% 19%; 7% 18%; 18% 14%; 14%16%; 16%
Acute on chronic37%29%38%32%39%33%37%
Solid or cystic lesions15%14%17%15%18%19%21%
Pancreas divisum3%6%4%5%4%5%5%
Anomalous pancreaticobiliary junction6%6%4%7%4%5%5%
Autoimmune criteria6%3%4%5%4%5%5%
Idiopathic13%26%16%17%3%9%11%