• J Pain Symptom Manage · Feb 2010

    Neuroleptic dose in the management of delirium in patients with advanced cancer.

    • David Hui, Shirley H Bush, Laura E Gallo, J Lynn Palmer, Sriram Yennurajalingam, and Eduardo Bruera.
    • Department of Palliative Care & Rehabilitation Medicine, University of Texas M. D. Anderson Cancer Center, Houston, Texas 77030, USA.
    • J Pain Symptom Manage. 2010 Feb 1; 39 (2): 186-96.

    AbstractNeuroleptics are commonly used in the management of delirium. Limited information is available regarding the dosage requirements and efficacy of neuroleptics in the palliative care setting. We determined the type and dose of neuroleptic use by delirium subtype. The medical records of 99 inpatients with advanced cancer were reviewed retrospectively. The doses of different neuroleptics, expressed as haloperidol equivalent daily doses (HEDDs), were correlated with delirium recall, recalled delirium symptom frequency, and associated distress from the patients', family caregivers', nurses' and palliative care specialists' perspectives. Subtypes of delirium included hypoactive in 20 (20%), mixed in 66 (67%), and hyperactive in 13 (13%). The median HEDD was 2.5mg, interquartile range (Q1-Q3) 1-4.7 mg (mean 4.0+/-5.9 mg), and it was significantly higher in agitated and mixed delirium as compared with hypoactive delirium (P=0.008). The neuroleptic dose was low and appeared to be ineffective in preventing patient delirium recall, with 73 (74%) patients remembering their episode of delirium as distressing. HEDD did not correlate with delirium recall, recalled symptom frequency, or distress for patients and family caregivers. However, HEDD increased with nurses' distress related to patients' symptoms (disorientation to place P=0.002, disorientation to time P=0.008, delusions P=0.041, and agitation P<0.001), and palliative care specialists' distress related to patients' hallucinatory symptoms (P=0.006) and agitation (P=0.006). In this study, the administered neuroleptic dose was influenced more by health care professional distress than by delirium symptom frequency. Future studies should examine the efficacy of neuroleptic dose according to individual delirium symptoms.Copyright 2010 U.S. Cancer Pain Relief Committee. Published by Elsevier Inc. All rights reserved.

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