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Background: Headache is a debilitating complication following an aneurysmal subarachnoid hemorrhage (aSAH). Despite its impact on morbidity and quality of life, limited evidence characterizes the effectiveness of opioids. Objective: The aim of this study was to evaluate opioid associated reduction in pain scores in patients with aSAH-associated headache. Methods: This is a retrospective study of adult patients with an aSAH, Hunt and Hess grades I – III, admitted to a neurosciences intensive care unit. Descriptive and inferential statistics were used to characterize headache treatment strategies and opioid associated reduction in pain scores. Results: Opioids were used in up to 97.6% of patients for the management of aSAH-associated headache. Median reduction in pain after opioid administration was −1 (IQR: -3-0). Correlation between opioid dose and change in pain scores was negligible (rs = .01). Overall, 68.8% of patients were discharged on an opioid analgesic with predictive factors being severe headache (OR 2.52; 1.04 – 6.14) and oral morphine milligram equivalents ≥60 mg per day during the hospital stay (OR 3.02; 1.22 – 7.47). Conclusions: Opioids were associated with a small reduction in pain when assessed via the NRS. An increased opioid dose did not correlate with a greater reduction in assessed pain scores. A high percentage of patients remained on opioids throughout hospitalization and were eventually discharged on an opioid. The impact of discharge opioid prescriptions and risk of opioid persistence creates a cause for concern. It is imperative that we seek improved pain management strategies for aSAH-associated headache.
Background: Headache is a debilitating complication following an aneurysmal subarachnoid hemorrhage (aSAH). Despite its impact on morbidity and quality of life, limited evidence characterizes the effectiveness of opioids. Objective: The aim of this study was to evaluate opioid associated reduction in pain scores in patients with aSAH-associated headache. Methods: This is a retrospective study of adult patients with an aSAH, Hunt and Hess grades I – III, admitted to a neurosciences intensive care unit. Descriptive and inferential statistics were used to characterize headache treatment strategies and opioid associated reduction in pain scores. Results: Opioids were used in up to 97.6% of patients for the management of aSAH-associated headache. Median reduction in pain after opioid administration was −1 (IQR: -3-0). Correlation between opioid dose and change in pain scores was negligible (rs = .01). Overall, 68.8% of patients were discharged on an opioid analgesic with predictive factors being severe headache (OR 2.52; 1.04 – 6.14) and oral morphine milligram equivalents ≥60 mg per day during the hospital stay (OR 3.02; 1.22 – 7.47). Conclusions: Opioids were associated with a small reduction in pain when assessed via the NRS. An increased opioid dose did not correlate with a greater reduction in assessed pain scores. A high percentage of patients remained on opioids throughout hospitalization and were eventually discharged on an opioid. The impact of discharge opioid prescriptions and risk of opioid persistence creates a cause for concern. It is imperative that we seek improved pain management strategies for aSAH-associated headache.
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