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Related Experiment Videos

The Memorial Delirium Assessment Scale

W Breitbart1, B Rosenfeld, A Roth

  • 1Department of Psychiatry, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA.

Journal of Pain and Symptom Management
|March 1, 1997
PubMed
Summary

The Memorial Delirium Assessment Scale (MDAS) reliably measures delirium severity in hospitalized cancer and AIDS patients. This new scale shows high accuracy and is suitable for repeated clinical assessments.

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Area of Science:

  • Medical research
  • Clinical psychology
  • Psychiatry

Background:

  • Delirium is a common and serious condition in medically ill patients.
  • Accurate assessment of delirium severity is crucial for effective management.
  • Existing measures may have limitations for repeated clinical assessments.

Purpose of the Study:

  • To assess the reliability and validity of the Memorial Delirium Assessment Scale (MDAS).
  • To evaluate the MDAS as a tool for measuring delirium severity in medically hospitalized patients.

Main Methods:

  • Two studies were conducted with medically hospitalized cancer and acquired immunodeficiency syndrome (AIDS) patients.
  • Study 1: Assessed inter-rater reliability and internal consistency of the MDAS using multiple raters.

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  • Study 2: Compared MDAS ratings with other delirium and cognitive functioning measures.

    • Main Results:

    • The MDAS demonstrated high inter-rater reliability (0.92) and internal consistency (0.91).
    • MDAS ratings significantly differed between delirious and non-delirious patients (P < 0.0002).
    • MDAS scores strongly correlated with the Delirium Rating Scale (r = 0.88) and Mini-Mental State Examination (r = -0.91).

    Conclusions:

    • The MDAS is a brief, reliable, and valid tool for assessing delirium severity in medically ill populations.
    • The MDAS is suitable for use by multiple raters and for repeated assessments in clinical research.
    • The MDAS offers advantages over existing instruments for delirium assessment.