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Activity-based cost analysis of opioid-related nausea and vomiting among inpatients

Leopold Eberhart, MD, Tilo Koch, MSc, Peter Kranke, MD, Dirk Rüsch, MD, Alexander Torossian, MD, Stefan Nardi-Hiebl, MBA

Abstract


Objective: Nausea and/or vomiting (N/V) are frequent side effects of opioid drugs. These are of major concerns to patients and caregivers and only few studies have focused on their economical costs.

Design: This is a prospective, nonproduct-related, activity-based evaluation of personnel and material costs of opioid-related N/V among inpatients.

Setting: Data were obtained from surgical, general medicine, and palliative care wards at 16 German hospitals of different size, healthcare mandate, and ownership.

Patients, participants: According to predefined criteria, of 462 documented N/V events, 340 were diagnosed as opioid related.

Interventions: Elicited activities and pharmacological interventions for N/V episodes followed local standards.

Main outcome measure: Both materials used and the time engaged to treat patients with N/V were documented on an “ad hoc” activity recording form. The total cost of an opioid-related N/V episode was calculated based on standard wages of the involved personnel and standard costs of the inherent materials used.

Results: Mean staff tenure time for handling an episode of N/V was 26.2 ± 19.8 minutes (nausea 16.9 ± 28.7 minutes; nausea + vomiting: 33.4 ± 26.8 minutes). In the German context, this corresponds to average personnel costs of 18.06 ± 13.64. Material cost contributes to another 13.49 ± 13.38 of costs mainly depending on acquisition costs of antiemetic drugs.

Conclusions: N/V showed to have impact on workload of nurses and (to lesser extent) physicians and economic burden of 31 ± 22 for each N/V episode. In view of these results, the potential costs of strategies to minimize the incidence of N/V (use of antiemetics and/or the use of new analgesics) should be outweighed against the incurred costs of N/V.


Keywords


: nausea (opioid-related), vomiting (opioid-related), opioids (side effects), economic analysis, activity-based costing

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References


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DOI: https://doi.org/10.5055/jom.2014.0238

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