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<strong>KCE</strong> Reports 111 Interventions in Alzheimer’s Disease 19<br />

Nurs. 2006;54(1):86-93.<br />

Nguyen Q-A, Paton C. The use of aroma<strong>the</strong>rapy to treat behavioural problems in<br />

dementia. Int J Geriatr Psychiatry. 2008;23(4):337-46.<br />

March 2007<br />

3.2 REVIEWS OF NON-PHARMACOLOGICAL INTERVENTIONS<br />

3.2.1 Introduction<br />

A systematic review of a very broad range of psychological approaches to <strong>the</strong><br />

management of neuropsychiatric symptoms of dementia was published by <strong>the</strong> Old Age<br />

Task Force of <strong>the</strong> World Federation of Biological Psychiatry. 5 The SBU health<br />

technology assessment <strong>report</strong> covering various aspects of dementia, also includes a<br />

systematic review of care interventions. 21 Many studies reviewed in this HTA were<br />

rejected because of lack of adequate diagnoses. 21 The reason suggested could be <strong>the</strong><br />

lack of involvement of a physician in many studies. O<strong>the</strong>r important large reviews are<br />

<strong>the</strong> NICE 1 and <strong>the</strong> DIMDI <strong>report</strong> 28 , and several Cochrane reviews.<br />

These main reviews, as well as o<strong>the</strong>rs will be discussed below, and <strong>the</strong> level of evidence<br />

supporting <strong>the</strong> various interventions will be mentioned.<br />

Interventions may target <strong>the</strong> patient, <strong>the</strong> caregiver or both. Likewise outcomes of <strong>the</strong>se<br />

interventions may be assessed in patients, caregivers or both. Outcome parameters vary<br />

a lot between studies.<br />

Whereas some reviews focus specifically on <strong>the</strong> type of interventions, o<strong>the</strong>r reviews<br />

focus on a specific symptom or cluster of symptoms (mostly behavioral problems e.g.<br />

agitation, aggression, wandering) and consider <strong>the</strong> different interventions to improve it.<br />

Fur<strong>the</strong>r, different authors tend to group <strong>the</strong> studies in different ways, illustrating <strong>the</strong><br />

lack of standardization of interventions in this research area and also illustrating <strong>the</strong><br />

many variations and combinations of interventions that are evaluated in <strong>the</strong> studies. The<br />

fact that few studies addressed <strong>the</strong> same issues in comparable ways is a major<br />

methodological problem, limiting <strong>the</strong> level of evidence which can be associated with<br />

such unique interventions.<br />

In <strong>the</strong> next paragraphs, we will describe:<br />

• Interventions addressing <strong>the</strong> patient<br />

o studies focusing on specific interventions : interventions addressing patient<br />

cognition, patient emotion, patient sensory enhancement; physical activity<br />

interventions; communication/interaction/relationship interventions;<br />

environmental adaptations<br />

o studies focusing on signs and symptoms: non-pharmacological<br />

interventions for challenging behavior, neuropsychiatric symptoms and<br />

wandering<br />

o studies focusing on technological support<br />

• Interventions that include <strong>the</strong> caregiver<br />

o Staff education: effects on patients or caregivers<br />

o Psychoeducation/psychosocial interventions for informal caregivers:<br />

effects on patients or caregivers<br />

o Respite care and special care units: effects on informal caregiver<br />

depression and stress<br />

o Interventions to delay institutionalization<br />

o Miscellaneous

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