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Simulation and navigation of living donor hepatectomy using a unique three-dimensional printed liver model with soft and transparent parenchyma

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Abstract

Three-dimensional printed liver models have been used for preoperative simulation. Unlike the standard three-dimensional system on a monitor, the three-dimensional printed model can be observed from any angle manually; therefore, surgeons can obtain a clear image directly from the model. We herein report the use of a unique three-dimensional liver model with a soft and transparent liver parenchyma. Through the parenchyma, the surgeons can observe the intrahepatic vessels and perform incisions in the model as a preoperative simulation. In this study, we applied this model to donor hepatectomy, which under most circumstances requires meticulous attention to detail. The actual processes and uses of a three-dimensional liver model in clinical surgery for liver transplantation are presented.

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Authors and Affiliations

  1. Department of Gastroenterological and Transplant Surgery, Hiroshima University Hospital, 1-2-3, Kasumi, Hiroshima, 734-8551, Japan

    Shintaro Kuroda, Tsuyoshi Kobayashi & Hideki Ohdan

  2. Department of Fixed Prosthodontics, School of Dental Medicine, Tsurumi University, Yokohama, Japan

    Takuya Kihara

  3. Department of Oral Biology and Engineering, Division of Oral Health Sciences, Institute of Biomedical and Health Sciences, Hiroshima University Graduate School, Hiroshima, Japan

    Yurina Akita & Hiroki Nikawa

Authors
  1. Shintaro Kuroda
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  2. Takuya Kihara
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  3. Yurina Akita
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  4. Tsuyoshi Kobayashi
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  5. Hiroki Nikawa
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  6. Hideki Ohdan
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Correspondence to Shintaro Kuroda.

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As shown in the movie, we performed preoperative simulation of the right-lobe graft in the LDLT using the 3D model. The elasticity of model’s parenchyma was similar to that of an actual normal liver. In addition, the see-through parenchyma enabled the observation of vessels situated at a deep level. First, we cut the branch of the middle hepatic vein (MHV). Next, we cut the right hepatic artery (RHA), right portal vein (RPV), B6+5+8, and B7. Finally, we cut the IRHV, MHV-V8, and RHV. In this manner, the donor’s right hemihepatectomy was completed. (MPG 73672 kb)

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Kuroda, S., Kihara, T., Akita, Y. et al. Simulation and navigation of living donor hepatectomy using a unique three-dimensional printed liver model with soft and transparent parenchyma. Surg Today 50, 307–313 (2020). https://doi.org/10.1007/s00595-019-01868-9

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  • DOI: https://doi.org/10.1007/s00595-019-01868-9

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