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Schlappa, Michael; Wüst, Wolfgang; Siebler, Jürgen; Grützmann, Robert; Uder, Michael; Schmid, Axel

Efficacy and Safety of Angioplasty Balloon Interposition in CT-Guided Percutaneous Thermal Ablation of Hepatic Malignancies to Protect Adjacent Organs

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  • Medientyp: E-Artikel
  • Titel: Efficacy and Safety of Angioplasty Balloon Interposition in CT-Guided Percutaneous Thermal Ablation of Hepatic Malignancies to Protect Adjacent Organs
  • Beteiligte: Schlappa, Michael; Wüst, Wolfgang; Siebler, Jürgen; Grützmann, Robert; Uder, Michael; Schmid, Axel
  • Erschienen: Springer Science and Business Media LLC, 2022
  • Erschienen in: CardioVascular and Interventional Radiology
  • Sprache: Englisch
  • DOI: 10.1007/s00270-022-03184-1
  • ISSN: 0174-1551; 1432-086X
  • Schlagwörter: Cardiology and Cardiovascular Medicine ; Radiology, Nuclear Medicine and imaging
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  • Beschreibung: <jats:title>Abstract</jats:title><jats:sec> <jats:title>Purpose</jats:title> <jats:p>To evaluate the feasibility and safety of placing angioplasty balloons between the liver surface and adjacent organs in CT-guided thermal ablation of subcapsular liver malignancies in case of inadequate success of conventional dissection techniques.</jats:p> </jats:sec><jats:sec> <jats:title>Materials and Methods</jats:title> <jats:p>A retrospective, single-centre database query identified 327 hepatic malignancies in 153 patients treated in 215 sessions from 2016 to 2018 by thermal ablation. Demographic data, tumour size, distance to adjacent structures, complications and long-term outcomes were assessed when ancillary procedures were performed to protect adjacent organs.</jats:p> </jats:sec><jats:sec> <jats:title>Results</jats:title> <jats:p>In 21 of 327 (6.4%) ablations, thermal protection was necessary. Balloon interposition was successfully performed in 9 cases in 8 patients after hydrodissection or gas insufflation failed to separate adherent organs. Median pre- and post-balloon insertion distance was 0 mm [0–2 mm] and 17 mm [8–20 mm]. No balloons were damaged, ruptured or slid away from their initial position. Technical success of MWA and protection of adherent structures were achieved in all procedures. In a median follow-up of 11.5 months [0–49 months], the local control rate was 88.9% as 1 patient was treated twice with an interval of 3 months for local recurrence. Three non-process-related major complications and 1 minor complication occurred.</jats:p> </jats:sec><jats:sec> <jats:title>Conclusion</jats:title> <jats:p>Balloon interposition is a safe and feasible method to enable thermal ablation to a greater number of patients, even after established thermo-protective techniques fail to separate the colon or stomach from the liver surface.</jats:p> </jats:sec>