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Background: Epithelioid hemangioendothelioma (EHE) patients can experience severe pain. Nonsteroidal anti-inflammatory drugs, including ketorolac tromethamine, can effectively treat cancer-related pain, provide an opioid-sparing effect, and may be particularly effective for EHE pain. There are limited data describing prolonged (>5 days) continuous intravenous (IV) ketorolac infusion for cancer-related pain and no data on its use in EHE. Case Description: A 67-year-old woman with metastatic hepatic EHE suffered from chronic intractable pleuritic pain unresponsive to trials of nonopioid, opioid, adjuvant medications, and nonpharmacological interventions. In the hospital, continuous IV ketorolac infusion at 3.8 mg/hour (91.2 mg/day) effectively managed pain. With thorough monitoring, the patient was discharged on continuous IV ketorolac infusion at 3 mg/hour (72 mg/day). Infusion continued for 79 days without clinical or laboratory evidence of ketorolac toxicity. Conclusion: Ketorolac tromethamine as a long-term infusion is a potentially viable analgesic for patients with intractable EHE-related pain unresponsive to standard therapies.


Eric Tsu, Paul Mathew, Emma Ernst, Tamara Vesel. Intravenous Ketorolac Infusion for Intractable Pleuritic Pain Secondary to Metastatic Epithelioid Hemangioendothelioma. Journal of palliative medicine. 2021 Nov;24(11):1744-1748

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PMID: 34297626

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