title: Sensitivity and specificity of the Confusion Assessment Method for the Intensive Care Unit (CAM-ICU) and the Intensive Care Delirium Screening Checklist (ICDSC) for detecting post-cardiac surgery delirium: A single-center study in Japan.
abstract: OBJECTIVE
  To compare the Confusion Assessment Method for the Intensive Care Unit (CAM-ICU) and the Intensive Care Delirium Screening Checklist (ICDSC) for detecting post-cardiac surgery delirium.
  
  
  BACKGROUND
  These tools have not been tested in a specialized cardio-surgical ICU.
  
  
  METHODS
  Sensitivities and specificities of each tool were assessed in a cardio-surgical ICU in Japan by two trained nurses independently. Results were compared with delirium diagnosed by psychiatrists using the Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, Text Revision.
  
  
  RESULTS
  There were 110 daily, paired assessments in 31 patients. The CAM-ICU showed 38% sensitivity and 100% specificity for both nurses. All 20 false-negative cases resulted from high scores in the auditory attention screening in CAM-ICU. The ICDSC showed 97% and 94% sensitivity, and 97% and 91% specificity for the two nurses (cutoff ≥4).
  
  
  CONCLUSIONS
  In a Japanese cardio-surgical ICU, the ICDSC had a higher sensitivity than the CAM-ICU.
authors.affiliation: Department of Psychiatry, Tokyo Women's Medical University School of Medicine, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan. Electronic address: nishimura.katsuji@twmu.ac.jp.
authors.forename: Katsuji
authors.initials: K
authors.lastname: Nishimura
authors.affiliation: Department of Psychiatry, Tokyo Women's Medical University School of Medicine, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan.
authors.forename: Kanako
authors.initials: K
authors.lastname: Yokoyama
authors.affiliation: Department of Nursing, Tokyo Women's Medical University Hospital, Tokyo, Japan.
authors.forename: Noriko
authors.initials: N
authors.lastname: Yamauchi
authors.affiliation: Department of Nursing, Tokyo Women's Medical University Hospital, Tokyo, Japan.
authors.forename: Masako
authors.initials: M
authors.lastname: Koizumi
authors.affiliation: Tokyo Women's Medical University School of Nursing, Tokyo, Japan.
authors.forename: Nozomi
authors.initials: N
authors.lastname: Harasawa
authors.affiliation: Department of Nursing, Tokyo Women's Medical University Hospital, Tokyo, Japan.
authors.forename: Taeko
authors.initials: T
authors.lastname: Yasuda
authors.affiliation: Department of Nursing, Tokyo Women's Medical University Hospital, Tokyo, Japan.
authors.forename: Chizuru
authors.initials: C
authors.lastname: Mimura
authors.affiliation: Tokyo Women's Medical University School of Nursing, Tokyo, Japan.
authors.forename: Hazuki
authors.initials: H
authors.lastname: Igita
authors.affiliation: Department of Psychiatry, Tokyo Women's Medical University School of Medicine, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan.
authors.forename: Eriko
authors.initials: E
authors.lastname: Suzuki
authors.affiliation: Department of Psychiatry, Tokyo Women's Medical University School of Medicine, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan.
authors.forename: Yoko
authors.initials: Y
authors.lastname: Uchiide
authors.affiliation: Department of Anaesthesiology, Tokyo Women's Medical University School of Medicine, Tokyo, Japan.
authors.forename: Yusuke
authors.initials: Y
authors.lastname: Seino
authors.affiliation: Department of Anaesthesiology, Tokyo Women's Medical University School of Medicine, Tokyo, Japan.
authors.forename: Minoru
authors.initials: M
authors.lastname: Nomura
authors.affiliation: Department of Cardiovascular Surgery, Tokyo Women's Medical University School of Medicine, Tokyo, Japan.
authors.forename: Kenji
authors.initials: K
authors.lastname: Yamazaki
authors.affiliation: Department of Psychiatry, Tokyo Women's Medical University School of Medicine, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan.
authors.forename: Jun
authors.initials: J
authors.lastname: Ishigooka
mesh_terms: D000328:Adult; D000368:Aged; D006348:Cardiac Surgical Procedures; D057189:Checklist; D003422:Critical Care / Q000379:methods; D003693:Delirium / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007362:Intensive Care Units; D007564:Japan; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000453:epidemiology*; D012680:Sensitivity and Specificity
keywords: CAM-ICU; Delirium; ICDSC; Intensive care unit; Post-cardiac surgery delirium