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- W2321844418 abstract "Purpose: To evaluate the clinical feasibility and safety of hepatic radiofrequency (RF) ablation using a multipolar RF system permitting the si- multaneous use of up to six electrodes. Materials and Methods: Ten patients (3 female, 7 male, mean age 61) suffering from 29 hepatic metastases (range: 1 - 5) of different tumors were treated with a modified multipolar RF sys- tem (CelonLab Power, Celon Medical Instru- ments, Teltow, Germany) operating four to six needle-shaped internally cooled RF applicators. The procedure duration, applied energy and gen- erator output were recorded during the interven- tion. The treatment result and procedure-related complications were analyzed. The achieved coa- gulation volume was calculated on the basis of contrast-enhanced CT scans 24 hours after RF ab- lation. Results: Complete tumor ablation was achieved in all cases as determined by the post-interven- tional lack of contrast enhancement in the target region using four applicators in five patients, five applicators in one patient and six applicators in four patients. A mean energy deposition of 353.9 € 176.2 kJ resulted in a mean coagulation volume of 115.9 € 79.5 cm 3 . The mean procedure duration was 74.9 € 21.2 minutes. Four patients showed an intraabdominal hemorrhage which necessitated further interventional treatment (embolization; percutaneous histoacryl injec- tion) in two patients. Conclusion: Multipolar RF ablation of hepatic metastasis with up to six applicators was clini- cally feasible. In our patient population it was as- sociated with an increased risk of intraabdominal bleeding probably due to the multiple punctures associated with the use of multiple applicators." @default.
- W2321844418 created "2016-06-24" @default.
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- W2321844418 date "2008-01-01" @default.
- W2321844418 modified "2023-09-23" @default.
- W2321844418 title "Multipolar Hepatic Radiofrequency Ablation Using up to Six Applicators: Preliminary Results Multipolare Radiofrequenzablation der Leber mit bis zu sechs Applikatoren: erste Ergebnisse" @default.
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- W2321844418 hasPublicationYear "2008" @default.
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