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Background: There is currently no established therapy for allodynia, which is a type of neuropathic pain. However, high concentrations of topical anesthetics can anesthetize the skin and i...

Delirium in patients with terminal cancer is irreversible and increases treatment resistance, which leads to a deterioration in quality of life.To investigate factors affecting the effectiveness and safety of intravenous chlorpromazine for irreversible delirium in patients with terminal cancer.Multiple regression analysis for factors affecting treatment effectiveness was carried out based on a retrospective comparison between responders and nonresponders to intravenous chlorpromazine.Ninety-seven patients with terminal cancer who were treated with intravenous chlorpromazine for irreversible delirium were included.The rate of patients with ≥50% improvement in mean Nursing Delirium Screening Scale score from pretreatment to day three of chlorpromazine treatment was 0.48 (95% confidence interval [CI]: 0.38-0.58). Factors affecting chlorpromazine treatment effectiveness were hyperactive delirium (odds ratio [OR]: 6.25, 95% CI: 1.14-34.5) and longer survival (OR: 1.096, 95% CI: 1.05-1.14). The mean chlorpromazine dose was low, at 17.9 mg/day. Adverse events were reported in 11 patients (11.3%) by day three of chlorpromazine treatment, and all were observed in patients who survived less than two weeks after chlorpromazine treatment. Patients who died, who had decreased blood pressure during chlorpromazine administration, and who showed acute akathisia all displayed shock index ≥1.Intravenous administration of low-dose chlorpromazine may be an effective and safe treatment option for delirium in patients with terminal cancer who have hyperactive delirium, longer predictive prognosis, and shock index1.

Self-care systems for early-stage specialist palliative care for cancer patients and their family caregivers have received much attention recently. Resonant breathing is an established method for maximizing heart rate variability (HRV), but it has not been implemented for home self-care.We aimed to examine the usefulness and ease of implementation for family caregivers to administer resonant breathing using a portable device at home.We divided caregivers into two groups-a home self-care group and a control group-and we conducted a randomized open-label study, with rate of change in HRV being the primary outcome.We administered HRV biofeedback (HRV-BF) using resonant breathing to 54 family caregivers who felt burdened by their nursing care responsibilities.Among the self-care group, 92.6% of participants completed the study in their homes; 28 days after intervention initiation, the resonant breathing implementation rate at home was 86.1%. There was an interaction between time course and grouping in our HRV comparisons: the change rate in the home self-care group was higher during HRV-BF than before HRV-BF.Because family caregivers in our study learned to quickly administer resonant breathing using a portable device at home, resonant breathing improved rapidly, along with autonomic nerve function and quality of life.