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Ultrasound-guided percutaneous irreversible electroporation of hepatic and abdominal tumors not eligible for surgery or thermal ablation: a western report on safety and efficacy

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Abstract

Purpose

To report our first results on sixteen patients affected by liver and abdominal malignant tumors, unfit for surgery or thermal ablation, treated with US-guided percutaneous irreversible electroporation (IRE).

Methods

From June 2014 to December 2016, all patients meeting the inclusion criteria (malignant hepatic or abdominal tumors not eligible for resection or thermal ablation) and not meeting the exclusion criteria (heart arrhythmia, pro-hemorrhagic hematological alterations, tumor size > 8 cm, presence of a biliary metallic stent) referred to our institutions were prospectively enrolled to undergo percutaneous US-guided irreversible electroporation (IRE). Sixteen patients (age range 59–68 years, mean 63; 7 females) with 18 tumors (diameter range 1.3–7.5 cm) fulfilled the inclusion criteria and were included in the study. Data concerning efficacy (tested by a 1-week CEUS and a 4-week enhanced CT and/or enhanced MRI) and safety were recorded during a 18-month follow up.

Results

All patients completed a 35–50-min procedure without complications. One patient with 6 cm Klatskin tumor also underwent a second session for 1 month. A 1-week CEUS and a 4-week e-CT and/or e-MRI arterial phase contrast enhancement analysis showed an overall reduction of arterial flow with confirmation of unenhanced lesions for seven nodules. After 1–18 months of follow up, no major complications were recorded and no tumor-related death occurred. The lesions of two patients disappeared 3 and 6 months after their treatment, respectively.

Conclusions

IRE is a promising ablation modality in the treatment of malignant hepatic and abdominal tumors unsuitable for resection or thermal ablation.

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Authors and Affiliations

  1. Interventional Ultrasound Unit, Tortorella Clinical Institute, Salerno, Italy

    A. Giorgio & F. Amendola

  2. Oncology Unit, Tortorella Clinical Institute, Salerno, Italy

    A. Calvanese & E. Ingenito

  3. Interventional Ultrasound Unit, Athena Clinical Institute, Caserta, Italy

    B. Santoro

  4. Internal Medicine Unit, Ostuni Hospital, Ostuni (BR), Italy

    P. Gatti & E. Ciracì

  5. Radiation Therapy Unit, Campus Biomedico University, Rome, Italy

    P. Matteucci

  6. Pediatric Gastroenterology Unit, Fondazione Policlinico A.Gemelli IRCCS, Department of Woman and Child Health and Public Health; Roma- Italy, Rome, Italy

    V. Giorgio

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  1. A. Giorgio
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  2. F. Amendola
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  9. V. Giorgio
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Correspondence to A. Giorgio.

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The institutional review board approved the study and all patients gave their informed written consent.

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Giorgio, A., Amendola, F., Calvanese, A. et al. Ultrasound-guided percutaneous irreversible electroporation of hepatic and abdominal tumors not eligible for surgery or thermal ablation: a western report on safety and efficacy. J Ultrasound 22, 53–58 (2019). https://doi.org/10.1007/s40477-019-00372-7

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  • DOI: https://doi.org/10.1007/s40477-019-00372-7

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