Liver transplantation in a patient with complex anomaly of the inferior vena cava

No prior work had resolved the surgical management of patients presenting with multiple congenital vascular malformations during liver replacement. That uncertainty drove clinicians to rely on standard techniques despite potential anatomical barriers. It was already known that noninvasive imaging has increased the detection of venous irregularities in asymptomatic adults. However, the specific challenges posed by combined infrarenal duplication and hepatic agenesis remained poorly defined. Prior research has shown that vascular anomalies can complicate major abdominal procedures by altering typical blood flow patterns. This gap motivated a closer examination of how surgeons might safely navigate complex venous anatomy. The literature lacks detailed accounts of successful outcomes in individuals with such extensive structural variations. These findings provide a template for managing rare vascular presentations during high-stakes organ replacement.

The aim of this report is to describe the first successful orthotopic liver transplantation in an adult with a complex anomaly of the major venous return. This study addresses the challenges of performing major surgery in patients with congenital venous malformations. The researchers seek to highlight the importance of preoperative imaging for identifying anatomical variations that could complicate standard procedures. The motivation for this work stems from the need to reduce operative risks such as severe hemorrhage. By documenting this case, the authors provide a practical guide for surgical teams encountering similar structural irregularities. The study explores how to reconstruct hepatic drainage when the standard venous anatomy is absent or duplicated. It also evaluates the feasibility of performing such procedures without the use of venovenous bypass. This report serves as a clinical reference for managing rare vascular presentations in asymptomatic candidates.

The review approach involved documenting the surgical management of a patient with multiple congenital venous malformations. Surgeons performed an orthotopic liver transplant while addressing the absence of the hepatic portion of the major vein. The team utilized a venous abdominal angio CT to map the patient's complex vascular architecture prior to the procedure. During the operation, the short suprahepatic segment was identified and clamped to maintain control. The surgical team sectioned the right, middle, and left hepatic veins to create a single, wide cuff. This reconstruction utilized venoplasty to ensure a secure connection for the donor organ. No venovenous bypass support was employed throughout the entire duration of the surgery. Postoperative assessment included a follow-up imaging scan to verify the integrity of the vascular anastomosis.

The primary finding was the successful completion of an orthotopic liver transplant in a patient with multiple, complex venous anomalies. The patient experienced an uneventful postoperative course following the reconstruction of the hepatic veins. Imaging confirmed normal blood flow at the anastomosis site between the receptor and the donor liver. The surgical team successfully joined the right, middle, and left hepatic veins into a single, wide cuff. This technique allowed for a secure connection to the donor organ without requiring venovenous bypass. The preoperative venous abdominal angio CT accurately identified the infrarenal duplication and azygos continuation. These results demonstrate that complex vascular anatomy can be managed effectively during major abdominal surgery. The report confirms that asymptomatic individuals may possess significant anatomical variations that require specialized surgical planning.

The authors propose that successful organ replacement is achievable even when significant venous structural variations exist. This case demonstrates that careful surgical planning allows for the reconstruction of hepatic drainage without requiring venovenous bypass. The researchers suggest that creating a wide cuff from multiple hepatic veins facilitates a secure connection to the donor organ. Synthesis and implications indicate that preoperative identification of these anomalies remains a primary factor in preventing severe intraoperative hemorrhage. The team emphasizes that clinicians should maintain a high index of suspicion for vascular irregularities in all candidates. This report serves as a reminder that asymptomatic individuals may harbor significant anatomical deviations that require specialized surgical approaches. The findings highlight the necessity of detailed vascular mapping to ensure optimal patient safety during complex procedures. These results confirm that anatomical complexity does not preclude successful transplantation when managed with precise surgical technique.