Investigators are seeking to determine the impact of recent alcohol, smoking or psychotropic drug use prior to intensive care unit (ICU) admission on incidence of delirium and sedation requirements. Study design: A prospective observational study, in a medical ICU of a tertiary university hospital. Methods: For all new ICU admissions, a 1-page questionnaire including Alcohol Use Disorders Identification Test (AUDIT-C), smoking history and prior medication use was given to the patient or closest family members. Delirium was assessed by trained ICU nurses using Intensive Care Delirium Screening Checklist and Richmond Agitation-Sedation Scale.
Study Type
OBSERVATIONAL
Enrollment
200
Patients or their proxy/closest family member(s) undergo a comprehensive questionnaire including AUDIT-C about his/her alcohol behavior during last year and will be categorized into two groups: Those with AUDIT-C\>4 versus AUDIT-C of 4 or below.
Patients or their proxy/closest family member(s) undergo a comprehensive questionnaire including smoking history during last year and will be categorized into two groups: Current smoker versus ex- or never smoker (we also recorded smoking pack-years to distinguish heavy smokers)
Patients or their proxy/closest family member(s) undergo a comprehensive questionnaire including psychotropic medication use prior admission to ICU and will be categorized into two groups: Those who use psychotropic medication versus those who do not use psychotropic medication.
Seoul National University Hospital
Seoul, South Korea
Delirium during ICU stay
Time frame: From date of ICU admission until the date of ICU discharge, whichever came first, assessed up to 3 months
ICU length of stay
Time frame: From date of ICU admission until the date of first documented discharge from ICU or death, whichever came first, assessed up to 3 months
Mortality
Death in MICU
Time frame: From date of ICU admission until the date of death, assessed up to 3 months
Maximal doses of dexmedetomidine
Time frame: From date of ICU admission until the date of first documented discharge from ICU or death, whichever came first, assessed up to 3 months
Cumulative dose of dexmedetomidine
Cumulative dose of dexmedetomidine during the patient's MICU stay
Time frame: From date of ICU admission until the date of first documented discharge from ICU or death, whichever came first, assessed up to 3 months
Cumulative dose of midazolam
Cumulative dose of midazolam during the patient's MICU stay
Time frame: From date of ICU admission until the date of first documented discharge from ICU or death, whichever came first, assessed up to 3 months
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