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Hydrodissection of the Gallbladder Bed: A Technique for Ablations Located Close to the Gallbladder

Authors
  • Garnon, Julien1
  • Koch, Guillaume1
  • Caudrelier, Jean1
  • Ramamurthy, Nitin2
  • Auloge, Pierre1
  • Cazzato, Roberto Luigi1
  • Gangi, Afshin1
  • 1 Nouvel Hôpital Civil, Department of Interventional Radiology, 1, place de l’hôpital, Strasbourg Cedex, 67096, France , Strasbourg Cedex (France)
  • 2 Norfolk and Norwich University Hospital, Department of Radiology, Norwich, UK , Norwich (United Kingdom)
Type
Published Article
Journal
CardioVascular and Interventional Radiology
Publisher
Springer-Verlag
Publication Date
Apr 08, 2019
Volume
42
Issue
7
Pages
1029–1035
Identifiers
DOI: 10.1007/s00270-019-02218-5
Source
Springer Nature
Keywords
License
Yellow

Abstract

ObjectiveTo report the technique of hydrodissection of the gallbladder bed, in order to separate the gallbladder wall from the liver surface during microwave ablation of liver malignancies located in segment V.Materials and MethodsBetween January 2018 and March 2018, percutaneous hydrodissection of the gallbladder fossa was performed during four microwave ablation procedures in three patients (One patient was treated twice for the same lesion, making a total of four procedures for three lesions.) All treated lesions were located in segment V and abutting the gallbladder. Number of hydrodissection needles, volume of hydrodissection, repartition of hydrodissection, separation of tumour from the gallbladder post-hydrodissection, technical success of hydrodissection/ablation, and complications were recorded and evaluated.ResultsHydrodissection of the gallbladder fossa was technically feasible in all four procedures, and microwave ablation was performed at maximum power without any early interruption. Time to perform hydrodissection was 11.3 min on average (range 7–18 min). Minimal distance between the ablation area and the GB increased from virtual to 10 mm on average (range 6–13), with a mean volume of dissection of 65 ml (range 40–100). Technical success was 75%. There was no complication related to the hydrodissection itself, and no acute or delayed gallbladder complication.ConclusionHydrodissection of the gallbladder bed is a feasible technique to separate the gallbladder from the liver surface. This could potentially decrease the risk of thermal injuries to the gallbladder wall when ablating tumours located in segment V.

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