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Clinician Article

Estimating the effect of palliative care interventions and advance care planning on ICU utilization: a systematic review.



  • Khandelwal N
  • Kross EK
  • Engelberg RA
  • Coe NB
  • Long AC
  • Curtis JR
Crit Care Med. 2015 May;43(5):1102-11. doi: 10.1097/CCM.0000000000000852. (Review)
PMID: 25574794
Read abstract Read evidence summary
Disciplines
  • Family Medicine (FM)/General Practice (GP)
    Relevance - 7/7
    Newsworthiness - 4/7
  • General Internal Medicine-Primary Care(US)
    Relevance - 7/7
    Newsworthiness - 4/7
  • Intensivist/Critical Care
    Relevance - 6/7
    Newsworthiness - 5/7
  • Hospital Doctor/Hospitalists
    Relevance - 6/7
    Newsworthiness - 4/7
  • Internal Medicine
    Relevance - 6/7
    Newsworthiness - 4/7
  • Oncology - Palliative and Supportive Care
    Relevance - 6/7
    Newsworthiness - 4/7

Abstract

OBJECTIVE: We conducted a systematic review to answer three questions: 1) Do advance care planning and palliative care interventions lead to a reduction in ICU admissions for adult patients with life-limiting illnesses? 2) Do these interventions reduce ICU length of stay? and 3) Is it possible to provide estimates of the magnitude of these effects?

DATA SOURCES: We searched MEDLINE, EMBASE, Cochrane Controlled Clinical Trials, and Cumulative Index to Nursing and Allied Health Literature databases from 1995 through March 2014.

STUDY SELECTION: We included studies that reported controlled trials (randomized and nonrandomized) assessing the impact of advance care planning and both primary and specialty palliative care interventions on ICU admissions and ICU length of stay for critically ill adult patients.

DATA EXTRACTION: Nine randomized controlled trials and 13 nonrandomized controlled trials were selected from 216 references.

DATA SYNTHESIS: Nineteen of these studies were used to provide estimates of the magnitude of effect of palliative care interventions and advance care planning on ICU admission and length of stay. Three studies reporting on ICU admissions suggest that advance care planning interventions reduce the relative risk of ICU admission for patients at high risk of death by 37% (SD, 23%). For trials evaluating palliative care interventions in the ICU setting, we found a 26% (SD, 23%) relative risk reduction in length of stay with these interventions.

CONCLUSIONS: Despite wide variation in study type and quality, patients who received advance care planning or palliative care interventions consistently showed a pattern toward decreased ICU admissions and reduced ICU length of stay. Although SDs are wide and study quality varied, the magnitude of the effect is possible to estimate and provides a basis for modeling impact on healthcare costs.


Clinical Comments

General Internal Medicine-Primary Care(US)

This is a topic in serious need of investigation. However, this meta-analysis, published without assessment of heterogeneity of the studies, without assessment of the criteria for referral to palliative care, without controlling for the characteristics of the patient population, does not provide a useful answer.

Hospital Doctor/Hospitalists

This is generally indicative of what most of us have observed already. It may be useful to understand more about the specifics of interventions which are more effective.

Intensivist/Critical Care

This is important work to demonstrate that there is evidence for better supporting patients and their caregivers through the difficult processes of end-of-life decision making. This work also highlights the need for ongoing funding and support of this type of research as we ultimately need to use critical care resources more wisely and target those patients who will indeed benefit from intensive care. Patients who are clearly going to die also need better care, ideally not in an ICU.

Oncology - Palliative and Supportive Care

These are interesting results. They highlight the importance of advance care planning in general and palliative care involvement in ICU.

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