The aim of this study was to evaluate the clinical response to a combination of intrathecal morphine and levobupivacaine in advanced cancer patients who were highly opioid-tolerant, being previously treated with multiple opioid trials unsuccessfully. Initial intrathecal morphine dose was calculated from the previous opioid consumption using a morphine oral-intrathecal ratio of 100:1. Then, doses of both drugs were modified during the treatment according to the clinical needs and balanced with adverse effects. Fifty-five patients were assessed during admission, before starting the intrathecal treatment, during the titration phase, and followed up to death, by frequent phone contacts or visits, as available. Pain and symptom intensities were recorded before starting the intrathecal treatment (T0), at time of hospital discharge (T dis), and then at 1 month (T1), 3 months (T3), 6 months (T6) intervals, and the last observation, at least 1 week before death (T death). Fifty-five patients were selected for starting an intrathecal treatment. Thirty-two patients were males. The mean age was 60 years (95% CI 57-63), and 65.4% of patients were under 65 years. The most frequent indication was the presence of adverse effects and poor pain control. Complete data with adequate follow-up until death were available in 45 patients. Statistical differences in pain intensity were found at the different time intervals examined until death. Statistical decreases in the intensity of drowsiness and confusion were found until 1 month after starting intrathecal therapy. Statistical differences were found in daily intrathecal morphine doses, with a 3-fold increase at time of hospital discharge. Subsequently, further increases in doses were not significant. Conversely, systemic opioids, expressed as oral morphine equivalents, significantly decreased at all the intervals examined until death. Early complications included mild bleeding in 2 patients, without consequences, headache in 4 patients, bladder catheterization in 6 patients, reoperation for bleeding or changes of catheter position in 4 patients, unrelated death in 1 patient, and stroke in another 1. Late complications included local infection in 2 patients, and discontinuation of intrathecal therapy due to spinal compression. In patients who had received multiple trial of opioids and routes of administration, the intrathecal treatment started with an oral-intrathecal morphine conversion ratio of 100:1, and local anesthetics at the most convenient clinical doses provided a long-term improvement of analgesia, with a decrease in adverse effects and opioid consumption until death.
The aim of this study was to assess the effects of red blood cell transfusion, and the subsequent increase in hemoglobin values, on anemia-related symptoms in a cohort of patients with cancer with different survival times. A red blood cell transfusion was recommended to a consecutive sample of patients with hemoglobin levels of 8 +/- 0.5 g/dL. The number of units to be ordered was decided according the hemoglobin values with a mean target of increasing the hemoglobin values by approximately 2 g/dL. Hemoglobin values, anemia-related signs and symptoms, including well-being, fatigue, and dyspnea, were recorded at admission (T0), 1 day after the last transfusion (T1), and 15 days afterward (T2) by telephone contact or visit. Well-being, fatigue, and dyspnea were measured on a numerical scale of 0-10. Sixty-one patients were recruited in the period of study. One hundred thirty-three units of red blood cells were transfused (mean 2.18, 95% confidence interval [CI] 0.6). Complete data were available for 40 patients. Hemoglobin values and well-being significantly increased after transfusion (T1), maintaining acceptable values 15 days afterward (T2). Significant changes in fatigue and dyspnea were found immediately after transfusion, although the effect was partially lost 15 days after transfusion. No statistical differences were found between patients with different survival times. Fatigue was significantly lower in patients with longer survival times in comparison with patients with shorter survival times (p = 0.04). Blood transfusion in patients with hemoglobin values of approximately 8 g/dL improved anemia-related symptoms on a short-term basis. This benefit is independent of the stage of disease and survival. However, the effects on dyspnea and fatigue tend to decrease within 15 days, despite the maintenance of hemoglobin values attained after transfusions, suggesting that other factors may play a role.
Terminally ill cancer patients near the end of life may experience intolerable suffering refractory to palliative treatment. Although sedation is considered to be an effective treatment when aggressive efforts fail to provide relief in terminally ill patients, it remains controversial. The aim of this study was to assess the need and effectiveness of sedation in dying patients with intractable symptoms, and the thoughts of relatives regarding sedation. A prospective cohort study was performed on a consecutive sample of dying patients admitted to an acute pain relief and palliative care unit within a cancer center. Indications for sedation, opioid and midazolam doses, level of delirium and sedation, nutrition, hydration, rattle, inability to cough and swallow, pharyngeal aspiration, duration of sedation and survival, and use of anticholinergics or other drugs were recorded. Family members were interviewed. Forty-two of 77 dying patients were sedated, and had a longer survival than those who were not sedated (P=0.003). Prevalent indications for sedation were dyspnea and/or delirium. Twelve patients began with an intermediate sedation, and 38 patients started with definitive sedation. The median sedation duration was 22 hours. Opioid doses did not change during sedation. Agitated delirium significantly decreased with increasing doses of midazolam, whereas the capacity to communicate concomitantly decreased. Interviewed relatives were actively involved in the process of end-of-life care, and the decision to sedate, and the efficacy of sedation, were considered appropriate by almost all relatives. Controlled sedation is successful in dying patients with untreatable symptoms, did not hasten death, and yielded satisfactory results for relatives. This study also points to the importance of palliative care and the experience of professionals skilled in both symptom control and end-of-life care.
In conclusion, a permanent peritoneal catheter was a valuable method to remove abdominal fluids and reduce symptom burden attributable to ascites and was also easy to use at home. Complication rate was acceptable and balanced by the benefits of the technique which avoided frequent paracentesis and associated complications.
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