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Study Identifies Eight Signs Associated With Impending Death in Cancer Patients

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Key Points

  • Previous studies in end-of-life care have focused on physicians prognosticating better, but research on how to tell if a patient has entered the final days of life has been minimal.
  • The eight signs associated with impending death include both cognitive and physical symptoms.
  • Identifying these and more signs of imminent death would help both health-care providers and families plan more appropriately for the next steps of treatment and beyond.

Researchers at The University of Texas MD Anderson Cancer Center have identified eight highly specific physical and cognitive signs associated with imminent death in cancer patients. The findings, published by Hui et al in Cancer, could offer clinicians the ability to better communicate with patients and families. They may also guide both the medical team and caregivers on complex decision-making, such as discontinuation of tests and/or therapy, plans for hospital discharge, and hospice referral.

Previous studies in end-of-life care have focused on physicians prognosticating better. However, according to David Hui, MD, MSc, Assistant Professor of Palliative Care and Rehabilitation Medicine at MD Anderson, research on how to tell if a patient has entered the final days of life has been minimal. Knowing with a high degree of confidence that death is imminent could have significant implications for clinical practice. It may also help families and caregivers make more informed decisions.

“In the past, studies trying to understand the signs associated with impending death were conducted in people who were recognized as dying, so there’s a potential bias built into this model. With our study, we observed a list of signs in patients from the time they were admitted to the palliative care unit. They were observed systematically, twice a day, without knowing if the patient would die or be discharged,” said Dr. Hui.

The study shows that very simple observations by doctors and care teams can help make a very important diagnosis, and may inform both the patient and the family so that they can make difficult personal decisions, he explained.

Study Details

For the prospective study, Dr. Hui and colleagues at MD Anderson and Barretos Cancer Hospital (an MD Anderson Sister Institution in Brazil) observed 357 cancer patients admitted to their respective palliative care units, of which 57% ultimately died. The researchers systematically observed 52 physical and cognitive signs (identified by Dr. Hui and colleagues in previous research) twice a day from the patient’s admission to discharge or death.

Of those 52 signs, the researchers identified the eight most highly associated with impending death within 3 days. The signs are: nonreactive pupils, decreased response to verbal stimuli, decreased response to visual stimuli, inability to close eyelids, drooping of the nasolabial fold, neck hyperextension, grunting of vocal cords, and upper gastrointestinal bleeding.

“When cancer patients reach the last days of life, it is an extremely emotional time for families. Their stress levels cannot be understated,” said Dr. Hui. “Knowing when death is imminent would provide more information so caregivers can plan appropriately. For clinicians, having this information could help reassure families that we are providing the best care possible.”

Dr. Hui stresses that this research is not yet practice-changing, but is an important step in understanding these eight signs and their relation to impending death. Also, says Dr. Hui, the findings are only representative of imminent cancer death and should not be generalized to other causes of death.  

Follow-up studies in different settings are planned. Dr. Hui and colleagues will look at the reliability of the identified signs, as well as evaluate this research in other countries and in the hospice setting.

Dr. Hui is the corresponding author for the Cancer article.

The content in this post has not been reviewed by the American Society of Clinical Oncology, Inc. (ASCO®) and does not necessarily reflect the ideas and opinions of ASCO®.


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