Anatomical Variations in the Pattern of the Right Hepatic Veins Draining the Posterior Segment of the Right Lobe of the Liver

Shilal, Poonam; Tuli, Anita

doi:10.7860/jcdr/2015/8736.5671

Cited by 13 publications

(18 citation statements)

References 12 publications

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“…(A12.3.09.005). Kalaycı et al (2014), Shilal & Tuli (2015), Li et al (2016), Zheng et al (2017) and Durand-López (2018) contributed to the study of venous drainage of the liver: The hepatic veins drain into the inferior vena cava; we describe them in two groups:…”

Section: Resultsmentioning

confidence: 91%

Anatomy of the Liver (A05.8.01.001). Worldwide Review, 2019. New Findings, Concepts and Definitions Support a Division of the Liver into Seven Portal Segments

Durand-López¹

2019

Int. J. Morphol.

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Due to a lack of consensus on the description of the human liver anatomy, we decided to explore different researches worldwide. Studies are focused on the hepatic vascularization. The results obtained through serial dissections in embryos, fetuses and adults have contributed to new definitions. Researchers around the world have agreed on finding the bases to propose a liver segmentation with seven portal segments.

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Section: Resultsmentioning

confidence: 91%

Anatomy of the Liver (A05.8.01.001). Worldwide Review, 2019. New Findings, Concepts and Definitions Support a Division of the Liver into Seven Portal Segments

Durand-López¹

2019

Int. J. Morphol.

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“…The venous outflow reconstruction is technically challenging for RL liver grafts with an undrained anterior sector, along with the presence of multiple IRHVs with vulnerability of congestion if not adequately reconstructed. Adding to the complexity is the presence of a wide variability in the pattern of branching of hepatic veins, difficulty in determining the optimal anastomotic site and direction especially in the presence of major IRHVs to anastomose which requires further time[ 14 , 15 ]. Authors recommend that short hepatic veins with a diameter ≥ 4 mm should be integrated into the drainage system, which is our approach[ 2 , 3 , 15 ].…”

Section: Discussionmentioning

confidence: 99%

Is right lobe liver graft without main right hepatic vein suitable for living donor liver transplantation?

Demyati

Akbulut

Çiçek

et al. 2020

WJH

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BACKGROUND Since the first living donor liver transplantation (LDLT) was performed by Raia and colleagues in December 1988, LDLT has become the gold standard treatment in countries where cadaveric organ donation is not sufficient. Adequate hepatic venous outflow reconstruction in LDLT is essential to prevent graft congestion and its complications including graft loss. However, this can be complex and technically demanding especially in the presence of complex variations and congenital anomalies in the graft hepatic veins. CASE SUMMARY Herein, we aimed to present two cases who underwent successful right lobe LDLT using a right lobe liver graft with rudimentary or congenital absence of the right hepatic vein and describe the utility of a common large opening drainage model in such complex cases. CONCLUSION Thanks to this venous reconstruction model, none of the patients developed postoperative complications related to venous drainage. Our experience with venous drainage reconstruction models shows that congenital variations in the hepatic venous structure of living liver donors are not absolute contraindications for LDLT.

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“…When we talk about portal segmentation we talk about vascular concepts and we have to define the characteristics of a portal segment, we can´t use the term lobe because it is a descriptive concept of surface anatomy. Shilal & Tuli (2015) opined "The pattern of drainage in the right posterior lobe of liver varies considerably. According to the pattern of drainage of tributaries of right hepatic vein, the right hepatic vein was classified into type I, type II, type III and type IV".…”

Section: Discussionmentioning

confidence: 99%

Seven Segmental Pedicles at the Porta Hepatis

Durand-López

Ramos-Serrano

2018

Int. J. Morphol.

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We wanted to know how many segmental portal branches were born from the primary branches of the hepatic portal vein in the porta hepatis, in order to determine the number of portal segments in human liver. We studied 286 human livers, age groups ranging from fetuses to octogenarians, both sexes and all races, using dissection, colored acrylic injection and reconstituted tomographic images. We found the porta hepatis channel formed by each and every portal segment; we found seven segmental terminal pedicles for seven portal segments, three planes of vertical and three planes of horizontal portal fissures. There are seven terminal portal pedicles that are formed in the porta hepatis from the right and left branches of the hepatic portal vein. The only variation was portal branch V emerging from the right branch in 79 % of cases or from the left branch in 21 %. The definition of hepatic portal segment is: Portion of parenchyma irrigated by terminal branches of the portal vein and the hepatic artery proper, isolated from the other segments by planes of portal fissures and forms the parenchymal channel of the porta hepatis where it receives its vascularization. We propose a new and simple portal segmentation based on the previous definition.

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Anatomical Variations in the Pattern of the Right Hepatic Veins Draining the Posterior Segment of the Right Lobe of the Liver

Cited by 13 publications

References 12 publications

Anatomy of the Liver (A05.8.01.001). Worldwide Review, 2019. New Findings, Concepts and Definitions Support a Division of the Liver into Seven Portal Segments

Anatomy of the Liver (A05.8.01.001). Worldwide Review, 2019. New Findings, Concepts and Definitions Support a Division of the Liver into Seven Portal Segments

Is right lobe liver graft without main right hepatic vein suitable for living donor liver transplantation?

Seven Segmental Pedicles at the Porta Hepatis

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