Research Article

Risk Evaluation of Endoscopic Retrograde Cholangiopancreatography-Related Contrast Media Allergic-Like Reaction: A Single Centre Experience

Table 2

Characteristic of study patients.

CharacteristicsAll patients Iodine allergic patients

Endoscopic procedure, no2295127
Age (years), mean ± SD
Gender
 (i) Male, no (%)1067 (46.5) 46 (36.2)
 (ii) Female, no (%)1228 (53.5)81 (63.8)
Year of the procedure
 (i) 2010, no (%)345 (15.0) -
 (ii) 2011, no (%)338 (14.7) -
 (iii) 2012, no (%)349 (15.2) -
 (iv) 2013, no (%)403 (17.6) -
 (v) 2014, no (%)411 (17.9) -
 (vi) 2015, no (%)449 (19.6)-
Allergy
 (i) Yes, no (%)828 (36.1)127 (100.0)
 (ii) No, no (%)1467 (63.9)0 (0.0)
Iodine Allergy
 (i) Yes, no (%)127 (5.5) 127 (100.0)
 (ii) No, no (%)2168 (94.5)0 (0.0)
History of severe iodine allergic reaction
 (i) Yes, no (%)0 (0.0)17 (13.3)
Prior iodine allergic reaction reported
 (i) Rash, no (%)-36 (28.3)
 (ii) Oedema-angioedema, no (%)-34 (26.7)
 (iii) Others-unknown, no (%)-57 (44.8)
ERCP indication
 (i) Lithiasis, no (%)978 (42.6)40 (31.5)
 (ii) Cholangitis, no (%)442 (19.3)35 (27.5)
 (iii) Main biliary obstructive lesion, no (%)508 (22.1)30 (23.6)
 (iv) Stent manipulation, no (%)228 (9.9)14 (11.0)
 (v) Chronic pancreatitis, no (%)24 (1.0)0 (0.0)
 (vi) Biliary leak, no (%)26 (1.1)1 (0.8)
 (vii) Other, no (%)89 (3.9)7 (5.5)
Hospitalised for ERCP
 (i) Yes, no (%)-77 (60.6)
 (ii) No, no (%)-47 (37.0)
 (iii) Unknown, no (%)-3 (2.4)