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Yamagata Med J（ISSN 0288-030X）2021；39
斎藤，矢萩，須田，小杉，新宮，櫻田
（2）
：84-91
DOI 10.15022/00005045
A Clinical Study on the Onset of Delirium-like behavior after
Endoscopic Retrograde Pancreatic Cholangiography
Shizuka Saito＊，＊＊， Tomoko Yahagi＊，＊＊， Yoshie Suda＊，＊＊， Naoko Kosugi＊＊，
Megumi Shingu＊，＊＊＊， Kaori Sakurada＊＊＊＊
Yamagata University Faculty of Medicine, Graduate School of Nursing
＊＊
Division of Nursing, Yamagata University Hospital
＊＊＊
Yoshioka Hospital
＊＊＊＊
Department of Fundamental Nursing, Yamagata University Faculty of Medicine, School of Nursing
ABSTRACT
Background: Endoscopic retrograde cholangiopancreatography（ERCP）- performed for diseases of
the biliary tract, gallbladder, or pancreas - is often followed by placement of a drainage tube to drain
bile and pancreatic juice. Following ERCP and tube placement, however, some patients may become
delirious, which carries the risk of self-removal of the drain. We sought to investigate the actual
conditions of patients' state of alertness, onset of delirium, and incidence of self-removal of the tube
after ERCP.
Materials and Methods: Twenty-seven patients（17 males and 10 females, mean age 71.7y）who
underwent ERCP were included in this prospective study. We examined patient characteristics,
post-anesthesia recovery（Aldrete）score, Delirium screening tool（DST）assessment 24 hours after
ERCP, need for physical restraints, and incidence of self-removal of the tube.
Results: The most common diagnosis was common bile duct stones, in nine patients. Mean Aldrete
score at return and 2 h later was 9.2 and 9.6 points, respectively. Tubes were inserted in 18 patients
（67%）
, and physical restraints were used in 9 patients per the attending physician’
s and nurse’
discretion（33%）
. Only one patient was determined to be at risk for delirium. In this study, we found
that the incidence of delirium after ERCP was low and that the treatment was safe.
Conclusion: In Hospital A, the incidence of delirium-like behavior after ERCP was low.
Keywords: Delirium, ERCP, self-removal, Physical restraint
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