1. Allogeneic Venous Grafts of Different Origin Used for Portal Vein Reconstruction After Pancreaticoduodenectomy - Experimental Study.
- Author
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Palek R, Jonasova A, Rosendorf J, Mik P, Bajcurova K, Hosek P, Moulisova V, Eberlova L, Haidingerova L, Brzon O, Bednar L, Kriz T, Dolansky M, Treska V, Tonar Z, Vimmr J, and Liska V
- Subjects
- Allografts, Anastomosis, Surgical methods, Animals, Cadaver, Female, Hemodynamics, Male, Organ Size, Organ Sparing Treatments, Portal Vein anatomy & histology, Portal Vein diagnostic imaging, Portal Vein physiology, Postoperative Complications etiology, Pylorus, Plastic Surgery Procedures methods, Regional Blood Flow, Swine, Tissue and Organ Harvesting, Ultrasonography, Vena Cava, Inferior anatomy & histology, Vena Cava, Inferior diagnostic imaging, Vena Cava, Inferior physiology, Venous Thrombosis etiology, Computer Simulation, Pancreaticoduodenectomy, Portal Vein surgery, Vena Cava, Inferior transplantation
- Abstract
Background: In clinical medicine, little is known about the use of allografts for portal vein (PV) reconstruction after pancreaticoduodenectomy (PD). Portal and caval systems are physiologically different, therefore the properties of allografts from caval and portal systems were studied here in a pig model., Materials and Methods: PD with PV reconstruction with allogeneic venous graft from PV or inferior vena cava (IVC) was performed in 26 pigs. Biochemical analysis and ultrasonography measurements were performed during a 4-week monitoring period. Computer simulations were used to evaluate haemodynamics in reconstructed PV and explanted allografts were histologically examined., Results: The native PV and IVC grafts varied in histological structure but were able to adapt morphologically after transplantation. Computer simulation suggested PV grafts to be more susceptible to thrombosis development. Thrombosis of reconstructed PV occurred in four out of five cases in PV group., Conclusion: This study supports the use of allografts from caval system for PV reconstruction in clinical medicine when needed., (Copyright© 2019, International Institute of Anticancer Research (Dr. George J. Delinasios), All rights reserved.)
- Published
- 2019
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