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- W2891652461 abstract "e15689 Background: Carcinoid crisis is a life-threatening event caused by release of vasoactive substances from neuroendocrine tumors (NETs). Octreotide is often used in the periprocedural setting as prophylaxis against carcinoid crisis; however, there is no standardized protocol for its use. We aimed to describe the periprocedural management of patients with metastatic NETs who underwent liver-directed procedures at UCSF. Methods: We identified 54 patients with NETs with hepatic metastases who underwent either liver resection/ablation (n = 30) or liver-directed embolization (n = 24) between 2012 and 2016. Anesthesia records and clinical data were abstracted. Carcinoid crisis was defined by physician documentation. Hemodynamic instability was defined as ≥10 minutes of systolic blood pressure < 80 mmHg or > 180 mmHg or heart rate > 120. Pearson chi-squared tests were used to test associations with three outcomes: crisis, instability, or none. Results: Three (6%) patients were documented to have developed carcinoid crisis. Another 14 (26%) patients developed hemodynamic instability. Of 16 patients who received preprocedural octreotide, 1 (6%) had a carcinoid crisis and 5 (31%) developed hemodynamic instability. History of carcinoid syndrome, degree of hepatic involvement, and use of pre or intraprocedural octreotide were not associated with carcinoid crisis or at least hemodynamic instability. Patients undergoing embolization were less likely to develop hemodynamic instability versus those undergoing liver resection (17% vs 43%, Pearson chi-squared p = 0.04). Conclusions: Occurrence of documented carcinoid crisis was low in this high-risk population. However, a significant proportion of patients developed hemodynamic instability, suggesting that carcinoid crisis is a spectrum diagnosis and may be clinically under-recognized. Use of octreotide was not associated with risk of carcinoid crisis or hemodynamic instability; however, this analysis was limited by our modest sample size at a single institution. There remains a need to establish an objective definition of carcinoid crisis and to inform standardization of periprocedural use of octreotide for at-risk patients." @default.
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- W2891652461 date "2017-05-20" @default.
- W2891652461 modified "2023-09-24" @default.
- W2891652461 title "Periprocedural management of patients undergoing liver resection or liver-directed therapy for neuroendocrine tumor metastases." @default.
- W2891652461 doi "https://doi.org/10.1200/jco.2017.35.15_suppl.e15689" @default.
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