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Case Reports
Loss of effectiveness with an implanted drug delivery system for intrathecal pain therapy due to corrosion.
- Marco Reining and Michael Kretzschmar.
- Department of Pain Medicine and Palliative Care, SRH Wald-Klinikum Gera GmbH, Gera, Germany.
- Pain Pract. 2023 Apr 1; 23 (4): 459462459-462.
IntroductionIntrathecal drug delivery is an established invasive treatment option. Most common complication is catheter malfunction, which can lead to overdose or withdrawal.Case PresentationA 61-year-old female patient underwent an elective replacement of an intrathecal drug delivery pump. The patient complained about a loss of effectiveness over the past 2 years. Intraoperatively, a white mass corresponding to morphine precipitation in the pump pocket was found, which appeared to be due to corrosion at the pump-catheter connection site.ConclusionsRecommendations on how to deal with the decreasing effectiveness of intrathecal drug delivery and on intraoperative catheter handling are provided.© 2022 The Authors. Pain Practice published by Wiley Periodicals LLC on behalf of World Institute of Pain.
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