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- W4387666345 abstract "Background Irreversible electroporation is a novel approach for treating locally advanced pancreatic adenocarcinoma. However, this ablative technique is not without risk and has the potential to precipitate adverse events. The aim of this study was to delineate risk factors that increase this risk, as well as to elucidate the risk profile associated with irreversible electroporation in the setting of locally advanced pancreatic adenocarcinoma. Methods A review of our prospective multi-institutional database from December 2015 to March 2022 of patients with locally advanced pancreatic adenocarcinoma who underwent irreversible electroporation was analyzed for adverse events. These were then compared with a control population of patients undergoing pancreatectomy for adenocarcinoma. Results Adverse events occurred in 51 patients of the 201 patients treated with irreversible electroporation compared with 78 of the 200 patients treated with pancreatectomy. The irreversible electroporation group had a significantly greater incidence of postoperative ascites in stage 3C patients. The most common complications in the irreversible electroporation group were infectious (n = 13), gastrointestinal bleed (n = 11), and ascites (n = 7). Multivariate analysis demonstrated increased risk of severe (grade ≥3) adverse events in the irreversible electroporation cohort who received high dose, neoadjuvant radiation (hazard ratio, 2.4; 95% confidence interval, 1.4–5.4), irreversible electroporation electrodes bracketing the superior mesenteric artery, superior mesenteric vein, and portal venous vein (hazard ratio, 1.9; 95% confidence interval, 1.3–3.4), and who had a bile duct stent in place for >6 months (hazard ratio, 1.7; 95% confidence interval, 1.2–5.6). There were similar rates of 90-day mortality in both groups, irreversible electroporation 2.4% vs pancreatectomy 2.8%. Conclusion This study revealed a 25% rate of adverse events associated with irreversible electroporation in locally advanced pancreatic adenocarcinoma, which was significantly less (P = .004) than the 39% rate of adverse events associated with pancreatectomy in early-stage disease. Certain unique adverse events in the irreversible electroporation group have been established and should be understood in the care of these patients." @default.
- W4387666345 created "2023-10-17" @default.
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- W4387666345 date "2023-10-01" @default.
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- W4387666345 title "Multi-institutional review of adverse events associated with irreversible electroporation in the treatment of locally advanced pancreatic cancer" @default.
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- W4387666345 doi "https://doi.org/10.1016/j.surg.2023.08.042" @default.
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