American Speech-Language-Hearing Association

EBP Compendium: Summary of Systematic Review


Assessment of Quality of Life as Outcome in Dementia and MCI Intervention Trials: A Systematic Review

Scholzel-Dorenbos, C. J., van der Steen, M. J., et al. (2007).
Alzheimer Disease and Associated Disorders, 21(2), 172-178.

Indicators of Review Quality:

The review addresses a clearly focused question No
Criteria for inclusion of studies are provided Yes
Search strategy is described in sufficient detail for replication Yes
Included studies are assessed for study quality No
Quality assessments are reproducible No

Description: This is a review of randomized controlled trials (RCT) investigating the use of quality of life measures as outcome measures for patients with dementia or mild cognitive impairment.

Question(s) Addressed:

Question not specifically stated.

Population: Patients with dementia or mild cognitive impairment

Intervention/Assessment: All types of intervention, both drug and non-drug therapy

Number of Studies Included: 10

Years Included: Through 2006

Findings:

Conclusions:

  • Assessment/Diagnosis
    • Asessment Instruments
      • Cognitive-Communication
        • Quality of Life
          • While quality of life should be an important outcome measure for interventions with persons with dementia or mild cognitive impairment, relatively few studies (4.4% of dementia-related RCTs) use this outcome measure.
          • No measures of responsiveness can be obtained from this review; however, the author stresses the importance of quality of life outcome measures and suggests two measures (QoL in Late-Stage Dementia Scale and Goal Attainment Scaling) which appear to have good sensitivity. 

Keywords: Dementia, Mild Cognitive Impairment

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Added to Compendium: December 2011

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