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A diagnosis of delirium during a visit to the emergency department (ED) is a poor prognostic factor for patients with advanced cancer, according to research published in The Oncologist.
The study showed that patients with advanced cancer who were diagnosed with delirium during an ED visit were more likely to be admitted to the hospital or intensive care unit (ICU) and more likely to die earlier than patients without delirium.
This shows the importance of accurately diagnosing delirium in advanced cancer patients, said Ahmed Elsayem, MD, of the University of Texas MD Anderson Cancer Center in Houston.
Previous studies have shown that delirium is associated with poor survival in advanced cancer patients being treated in ICUs or receiving palliative care in hospices, but no one had investigated whether the same was true for patients visiting EDs.
“To the best our knowledge, this is the first study to show the poor survival of advanced cancer patients in the emergency department setting,” Dr Elsayem said.
He and his colleagues previously conducted a study in which they assessed the frequency of delirium in advanced cancer patients visiting the ED at MD Anderson. The researchers tested for delirium using 2 questionnaires—the Confusion Assessment Method (CAM) and Memorial Delirium Assessment Scale (MDAS).
Questioning 243 patients in total, the team found that 44 patients, or 18%, were suffering with delirium according to at least 1 of the questionnaires.
In the current study, Dr Elsayem and his colleagues determined how many of these cancer patients, with and without delirium, were subsequently admitted to hospital and ICUs, as well as how long the patients lived after their visit to the ED.
Results
The rate of hospitalization was 82% among patients with delirium according to CAM and/or MDAS, 77% among patients with delirium according to MDAS only, and 49% among patients without delirium (P=0.0013). Rates of ICU admission were 18%, 14%, and 2%, respectively (P=0.0004).
The median overall survival was 1.23 months for patients with delirium according to CAM and/or MDAS, 4.70 months for patients with delirium according to MDAS only, and 10.45 months for patients without delirium. The difference between the patients with and without delirium was significant (P<0.0001).
Given the influence delirium appears to have on survival, Dr Elsayem said prompt diagnosis and management in hospital EDs is essential.
He noted that, in many cases, delirium in advanced cancer patients can be resolved by simply stopping or modifying their medication and treating any associated infections.
“Treating the triggers if known—such as stopping medications—is the main treatment for an episode of delirium,” Dr Elsayem said.
He also suggested that further research needs to be done on this topic, including conducting similar studies on delirium in advanced cancer patients in other EDs and with larger groups of patients. 
A diagnosis of delirium during a visit to the emergency department (ED) is a poor prognostic factor for patients with advanced cancer, according to research published in The Oncologist.
The study showed that patients with advanced cancer who were diagnosed with delirium during an ED visit were more likely to be admitted to the hospital or intensive care unit (ICU) and more likely to die earlier than patients without delirium.
This shows the importance of accurately diagnosing delirium in advanced cancer patients, said Ahmed Elsayem, MD, of the University of Texas MD Anderson Cancer Center in Houston.
Previous studies have shown that delirium is associated with poor survival in advanced cancer patients being treated in ICUs or receiving palliative care in hospices, but no one had investigated whether the same was true for patients visiting EDs.
“To the best our knowledge, this is the first study to show the poor survival of advanced cancer patients in the emergency department setting,” Dr Elsayem said.
He and his colleagues previously conducted a study in which they assessed the frequency of delirium in advanced cancer patients visiting the ED at MD Anderson. The researchers tested for delirium using 2 questionnaires—the Confusion Assessment Method (CAM) and Memorial Delirium Assessment Scale (MDAS).
Questioning 243 patients in total, the team found that 44 patients, or 18%, were suffering with delirium according to at least 1 of the questionnaires.
In the current study, Dr Elsayem and his colleagues determined how many of these cancer patients, with and without delirium, were subsequently admitted to hospital and ICUs, as well as how long the patients lived after their visit to the ED.
Results
The rate of hospitalization was 82% among patients with delirium according to CAM and/or MDAS, 77% among patients with delirium according to MDAS only, and 49% among patients without delirium (P=0.0013). Rates of ICU admission were 18%, 14%, and 2%, respectively (P=0.0004).
The median overall survival was 1.23 months for patients with delirium according to CAM and/or MDAS, 4.70 months for patients with delirium according to MDAS only, and 10.45 months for patients without delirium. The difference between the patients with and without delirium was significant (P<0.0001).
Given the influence delirium appears to have on survival, Dr Elsayem said prompt diagnosis and management in hospital EDs is essential.
He noted that, in many cases, delirium in advanced cancer patients can be resolved by simply stopping or modifying their medication and treating any associated infections.
“Treating the triggers if known—such as stopping medications—is the main treatment for an episode of delirium,” Dr Elsayem said.
He also suggested that further research needs to be done on this topic, including conducting similar studies on delirium in advanced cancer patients in other EDs and with larger groups of patients.
A diagnosis of delirium during a visit to the emergency department (ED) is a poor prognostic factor for patients with advanced cancer, according to research published in The Oncologist.
The study showed that patients with advanced cancer who were diagnosed with delirium during an ED visit were more likely to be admitted to the hospital or intensive care unit (ICU) and more likely to die earlier than patients without delirium.
This shows the importance of accurately diagnosing delirium in advanced cancer patients, said Ahmed Elsayem, MD, of the University of Texas MD Anderson Cancer Center in Houston.
Previous studies have shown that delirium is associated with poor survival in advanced cancer patients being treated in ICUs or receiving palliative care in hospices, but no one had investigated whether the same was true for patients visiting EDs.
“To the best our knowledge, this is the first study to show the poor survival of advanced cancer patients in the emergency department setting,” Dr Elsayem said.
He and his colleagues previously conducted a study in which they assessed the frequency of delirium in advanced cancer patients visiting the ED at MD Anderson. The researchers tested for delirium using 2 questionnaires—the Confusion Assessment Method (CAM) and Memorial Delirium Assessment Scale (MDAS).
Questioning 243 patients in total, the team found that 44 patients, or 18%, were suffering with delirium according to at least 1 of the questionnaires.
In the current study, Dr Elsayem and his colleagues determined how many of these cancer patients, with and without delirium, were subsequently admitted to hospital and ICUs, as well as how long the patients lived after their visit to the ED.
Results
The rate of hospitalization was 82% among patients with delirium according to CAM and/or MDAS, 77% among patients with delirium according to MDAS only, and 49% among patients without delirium (P=0.0013). Rates of ICU admission were 18%, 14%, and 2%, respectively (P=0.0004).
The median overall survival was 1.23 months for patients with delirium according to CAM and/or MDAS, 4.70 months for patients with delirium according to MDAS only, and 10.45 months for patients without delirium. The difference between the patients with and without delirium was significant (P<0.0001).
Given the influence delirium appears to have on survival, Dr Elsayem said prompt diagnosis and management in hospital EDs is essential.
He noted that, in many cases, delirium in advanced cancer patients can be resolved by simply stopping or modifying their medication and treating any associated infections.
“Treating the triggers if known—such as stopping medications—is the main treatment for an episode of delirium,” Dr Elsayem said.
He also suggested that further research needs to be done on this topic, including conducting similar studies on delirium in advanced cancer patients in other EDs and with larger groups of patients.