Abstract
Introduction • Background: We provide end-of-life care to veterans with various diagnoses both in acute and long-term care settings. During our practice we noticed differences in dose requirements of various medications used to control symptoms based on primary terminal diagnoses. Literature review did not show any evidence suggesting correlation of doses of medications and primary terminal diagnoses in end-of-life care. Objective To review medication use, doses, symptoms and diagnoses to establish whether terminal diagnosis would impact the amount of medications required for symptom management in end-of-life care. Methods We conducted a retrospective chart review of patients who died in the Topeka VA Medical Center inpatient setting from January 1, 2018 to May 31, 2018. Various clinical events were reviewed during the last 48 hours of life of these deceased patients. Results There were 20 patients who died during the review period; 19 (95%) of them were men. Average age was 74.45 years (range 66 to 95). Out of the total, 5 (25%), 5 (25%) and 4 (20%) of patients had terminal diagnosis of dementia, malignancy and thought disorder respectively. Thirteen (65%) died in acute medical setting and the rest of them died in long-term care setting. None of these patients had a change in care setting during last 48 hours of life. All of these patients experienced pain, anxiety and terminal delirium during last 48 hours of their life, based on clinical assessment. Opiates, lorazepam and haloperidol were used to manage these symptoms during end-of-life care. All of these patients required parenteral (intravenous or subcutaneous) use of medications for symptom control during the last 48 hours of life. Data showed differences in dose requirements of medications based on the primary terminal diagnosis. During the last 48 hours of life, patients with primary terminal diagnosis of dementia required 146.8 mg of parenteral morphine equivalent (PME), 40.9 mg of lorazepam and 68.5 mg of haloperidol in comparison to 42 mg, 11.7 mg and 14.9 mg of respective medications for patients without primary terminal diagnosis of dementia. During the same period, patients with primary terminal diagnosis of thought disorders required 53.6 mg of haloperidol compared to 19 mg for other patients. The PME requirement for patients with and without malignancy as primary terminal diagnosis was 67.8 mg and 68.4 mg respectively. Conclusions During the last 48 hours of their life, patients with primary terminal diagnosis of dementia required 3 times more morphine, 4 times more lorazepam and 4 times more haloperidol than patients without primary terminal diagnosis of dementia for management of end-of-life symptoms. During the last 48 hours of their life, patients with primary terminal diagnosis of thought disorder required 2.5 times more haloperidol than patients without primary terminal diagnosis of thought disorder. During the last 48 hours of their life, patients with primary terminal diagnosis of malignancy required almost the same doses of morphine equivalent as patients without primary terminal diagnosis of malignancy. Limitations: - Very small sample size - Retrospective review of charts - Single site - Short period of study Implications for Future Research: Our data suggest that patients with dementia required much higher doses of opiate, lorazepam and haloperidol for symptom management during their end-of-life care. This is contradictory to the commonly prevalent clinical understanding that these medications should be used in lower doses in patients with diagnosis of dementia. Further research is needed to study the relation of terminal diagnosis and medication requirements in end-of-life care. Further research is also needed to study physiological and biochemical changes during the terminal state that might influence amount of medications required to treat symptoms. Sponsored by the VA Caucus This research was funded by None
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