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Comparative Study
. 2015 Nov 24:19:413.
doi: 10.1186/s13054-015-1124-1.

Intensive care at the end of life in patients dying due to non-cancer chronic diseases versus cancer: a nationwide study in Denmark

Thomas Lyngaa  1 , Christian Fynbo Christiansen  2 , Henrik Nielsen  3 , Mette Asbjørn Neergaard  4 , Anders Bonde Jensen  5 , Kristina Grønborg Laut  6 , Søren Paaske Johnsen  7
Affiliations
Comparative Study

Intensive care at the end of life in patients dying due to non-cancer chronic diseases versus cancer: a nationwide study in Denmark

Thomas Lyngaa et al. Crit Care. .

Abstract

Introduction: It is unknown to what extent use of palliative care and focus on proactive planning of end-of-life (EOL) care among cancer patients is also reflected by less use of intensive care. We aimed to examine the use of intensive care in the EOL in patients dying as a result of non-cancer diseases compared with patients dying due to cancer.

Methods: We conducted a nationwide follow-up study among 240,757 adults dying as a result of either non-cancer chronic disease or cancer in Denmark between 2005 and 2011. Using the Danish Intensive Care Database, we identified all admissions and treatments in intensive care units (ICU) during the patients' last 6 months before death. We used prevalence ratios (aPRs) adjusted for age, sex, comorbidity, marital status and residential region to compare the 6-month prevalence of ICU admissions as well as treatment with invasive mechanical ventilation (MV), non-invasive ventilation (NIV), renal replacement therapy (RRT) and inotropes and/or vasopressors. In addition, length of ICU stay and death during ICU admission were compared among non-cancer and cancer patients dying between 2009 and 2011.

Results: Overall 12.3 % of non-cancer patients were admitted to an ICU within their last 6 months of life, compared with 8.7 % of cancer patients. The overall aPR for ICU admission was 2.11 [95 % confidence interval (CI) 1.98-2.24] for non-cancer patients compared with cancer patients and varied widely within the non-cancer patients (patients with dementia, aPR 0.19, 95 % CI 0.17-0.21; patients with chronic obstructive lung disease, aPR 3.19, 95 % CI 2.97-3.41). The overall aPRs for treatment among non-cancer patients compared with cancer patients were 1.40 (95 % CI 1.35-1.46) for MV, 1.62 (95 % CI 1.50-1.76) for NIV, 1.19 (95 % CI 1.07-1.31) for RRT and 1.05 (95 % CI 0.87-1.28) for inotropes and/or vasopressors. No difference in admission length was observed. Non-cancer patients had an increased risk of dying in an ICU (aPR 1.23, 95 % CI 0.99-1.54) compared with cancer patients.

Conclusions: Overall, patients dying as a result of non-cancer diseases were twice as likely to be admitted to ICUs at the EOL as patients dying due to cancer. Further studies are warranted to explore whether this difference in use of intensive care reflects an unmet need of palliative care, poor communication about the EOL or lack of prognostic tools for terminally ill non-cancer patients.

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Figures

Fig. 1
Fig. 1
Flowchart depicting inclusion criteria of study population and grouping of cancer and non-cancer patients [number (%)]. ICU intensive care unit
Fig. 2
Fig. 2
Forest plot of the adjusted prevalence ratios for admission to an intensive care unit (ICU) within the last 6 months before death among patients dying as a result of non-cancer chronic diseases compared with patients dying due to cancer. CI confidence interval
See this image and copyright information in PMC

References

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