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Cochrane Database Syst Rev. 2011 Jun 15;(6):CD007617. doi: 10.1002/14651858.CD007617.pub2.

Interventions for supporting informal caregivers of patients in the terminal phase of a disease.

Author information

1
Marie Curie Palliative Care Research Unit, Department of Mental Health Sciences, Royal Free & University College Medical School, Hampstead Campus, Rowland Hill Street, London, UK, NW3 2PF.

Abstract

BACKGROUND:

Patients in the terminal phase of a disease may have complex needs. It is often family and friends who play a central role in providing support, despite health professional input and regardless of whether the patient is at home or elsewhere. Such informal caring may involve considerable physical, psychological, and economic stresses. A range of supportive programmes for caregivers is being developed including psychological support and practical assistance.

OBJECTIVES:

To assess the effects of supportive interventions that aim to improve the psychological and physical health of informal caregivers of patients in the terminal phase of their illness.

SEARCH STRATEGY:

We searched the Cochrane Central Register of Controlled Trials (CENTRAL, The Cochrane Library, Issue 2 2010); MEDLINE (1950 to May 2010); EMBASE (1980 to May 2010); PsycINFO (1872 to May 2010); CINAHL (1937 to May 2010); National Health Service Research Register (2000 to November 2008) and Dissertation Abstracts (1716 to May 2010). We searched the reference lists of relevant studies; contacted experts; and handsearched journals.

SELECTION CRITERIA:

Randomised controlled trials (RCTs) of interventions to support adults who were caring for a friend or relative with a disease in the terminal phase. Interventions could include practical and emotional support and/or the facilitation of coping skills. Interventions could support caregivers indirectly via patient care.

DATA COLLECTION AND ANALYSIS:

Two authors independently screened citations against the selection criteria. Data were extracted by one author and checked by another. This included extraction of any adverse effects. Risk of bias assessment was undertaken by two authors. We contacted trial authors to obtain missing information. Trial data were combined, where appropriate, on the review's primary outcomes.

MAIN RESULTS:

We included eleven RCTs involving 1836 caregiver participants. Nine interventions were delivered directly to the caregiver. Seven of these provided support in the caring role, another involved a family life review, and one grief therapy. None provided practical support. The other two interventions aimed to support caregivers indirectly via patient care. Overall the risk of bias is unclear, as all trials under-reported methods.There is low quality evidence that interventions directly supporting the caregiver significantly reduce psychological distress in the short term (8 trials: standardised mean difference (SMD) -0.15; 95% confidence interval (CI) -0.28 to -0.02). There is also low quality evidence that these interventions in the short term may marginally improve coping skills and quality of life, but neither results were statistically significant (7 trials: SMD -0.05; 95% CI -0.24 to 0.14; 6 trials: SMD 0.08; 95% CI -0.11 to 0.26, respectively). One study assessed physical outcomes, specifically sleep improvement, and found no difference (median effect 0.00). No study measured health service use or adverse outcomes. In one study, however, a subgroup of intervention participants had higher levels of family conflict.Evidence was less clear on the indirect interventions. While both trials in this category found that supporting the patient may reduce psychological distress, none of the four assessments were statistically significant. There were no evaluations of coping with the caring role, quality of life, service use or adverse outcomes. In one trial there was no difference between trial arms in the proportion of caregivers reporting good physical health.

AUTHORS' CONCLUSIONS:

There is evidence that supportive interventions may help reduce caregivers' psychological distress. These findings suggest that practitioners should enquire about the concerns of caregivers and should consider that they may benefit from additional support. There is, however, a need for further research to explore the benefits identified, and to assess the interventions' effects on physical health, and potential harms. Trials need to report their methods fully.

PMID:
21678368
DOI:
10.1002/14651858.CD007617.pub2
[Indexed for MEDLINE]
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