We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Impact of the inferior vena cava morphology on fluid dynamics of the hepatic veins.
- Authors
Sakamoto, Katsunori; Iwamoto, Yukiharu; Ogawa, Kohei; Tamura, Kei; Ito, Chihiro; Iwata, Miku; Sakamoto, Akimasa; Shine, Mikiya; Nishi, Yusuke; Uraoka, Mio; Nagaoka, Tomoyuki; Honjo, Masahiko; Funamizu, Naotake; Takada, Yasutsugu
- Abstract
We reported previously that a large vertical interval between the hepatic segment of the inferior vena cava (IVC) and right atrium (RA), referred to as the IVC-RA gap, was associated with more intraoperative bleeding during hemi-hepatectomy. We conducted a computational fluid dynamics (CFD) study to clarify the impact of fluid dynamics resulting from morphologic variations around the liver. The subjects were 10 patients/donors with a large IVC-RA gap and 10 patients/donors with a small IVC-RA gap. Three-dimensional reconstructions of the IVC and hepatic vessels were created from CT images for the CFD study. Median pressure in the middle hepatic vein was significantly higher in the large-gap group than in the small-gap group (P = 0.008). Differences in hepatic vein pressure caused by morphologic variation in the IVC might be one of the mechanisms of intraoperative bleeding from the hepatic veins.
- Subjects
VENA cava inferior; HEPATIC veins; FLUID dynamics; COMPUTATIONAL fluid dynamics; RIGHT heart atrium
- Publication
Surgery Today, 2024, Vol 54, Issue 2, p205
- ISSN
0941-1291
- Publication type
Article
- DOI
10.1007/s00595-023-02733-6