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Updated: Jan 23, 2026

Procurement of Parathyroid Glands from Living Donor Pigs and Ex Vivo Identification
Published on: August 1, 2025
Experience and outcomes in living donor liver procurement using the water jet scalpel
Michinori Hamaoka1, Tsuyoshi Kobayashi1, Shintaro Kuroda1
1Department of Gastroenterological and Transplant Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Background:
The aim of the present study was to clarify treatment outcomes of living donor liver procurement using the water jet scalpel (WJS).
Methods:
This single-center, retrospective cohort study included 40 living donors who underwent liver procurement from January 2014 to December 2018. One living donor who underwent posterior segmentectomy was excluded. Clinical data and outcomes after surgery for 20 WJS donors and 19 Cavitron Ultrasonic Surgical Aspirator (CUSA) donors were compared.
Results:
Preoperative and excised graft data did not differ significantly between the WJS and CUSA groups. Operation time (P = 0.025) and parenchymal transection time (P = 0.007) were significantly shorter in the WJS group. There was no difference between the groups in terms of short-term outcomes after surgery. Multivariate analysis revealed that WJS offered significant advantages over CUSA in terms of shortening parenchymal transection time (P = 0.017).
Conclusion:
Living donor liver procurement using WJS contributes to shortening of parenchymal transection time while maintaining the same level of safety as when using CUSA.
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