Variations in the bifurcation level of the abdominal aorta, formation level of the inferior vena cava, and insertion level of the left renal vein into the inferior vena cava and their clinical importance in laparoscopic surgery

Khader, Mustafa; Al-Hyasat, Tala Ghassan; Salameh, Ikram Yousef; Shatarat, Amjad

doi:10.1016/j.lers.2022.01.002

Laparoscopic, Endoscopic and Robotic Surgery

2022

DOI: 10.1016/j.lers.2022.01.002

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Variations in the bifurcation level of the abdominal aorta, formation level of the inferior vena cava, and insertion level of the left renal vein into the inferior vena cava and their clinical importance in laparoscopic surgery

Mustafa Khader

Tala Ghassan Al-Hyasat

Ikram Yousef Salameh

et al.

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2024

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Influence of Aortic Deviation on Abdominal Aorta Bifurcation Level Relative to Vertebral Position

Kiran,

Pasricha,

Bhatnagar

et al. 2024

Cureus

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Introduction Research on abdominal aortic deviation (AAD) and its impact on the vertebral level of abdominal aortic bifurcation (AAB) has been limited. We aimed to determine the level of AAB with respect to vertebral levels and assess the proportion of AAD and its impact on AAB. Materials and methods This single-arm, cross-sectional, retrospective study involved contrast-enhanced computed tomography (CECT) scans of the abdomen and pelvis of 208 subjects aged 18 years or older. AAD and AAB in terms of vertebral levels were noted using the digital imaging and communication in medicine (DICOM) viewing software RadiAnt (Medixant, Poznań, Poland). Results The rate of AAD was found to be 44 out of 208 (21.2%), 16 out of 98 (16.3%) in men and 28 out of 110 (25.45%) in women (p=0.10). The AAD rates in the 31-40-, 51-60-, and 71-80-year age groups were 11 out of 37 (29.7%), 17 out of 61 (27.8%), and three out of seven (42.8%) with p=0.03, respectively. AAB was seen in the middle of the L4 vertebrae in 65 cases (31.2%), followed by 49 cases (23.6%) in the L4 lower vertebrae. Twenty-three (20.9%) women had AAB above the L4, compared to 13 (13.2%) men (p=0.34). AAB was located below the L4 vertebral level in eight out of 44 (18.18%) subjects with AAD versus 41 out of 164 (25%) subjects without AAD (p=0.55). Conclusion AAD was observed in approximately one-fifth of the subjects in our study cohort, with a higher proportion among women and in elderly age groups. AAB was most commonly observed in the middle of the L4 vertebrae and AAD did not impact AAB levels.

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Influence of Aortic Deviation on Abdominal Aorta Bifurcation Level Relative to Vertebral Position

Kiran,

Pasricha,

Bhatnagar

et al. 2024

Cureus

View full text Add to dashboard Cite

show abstract

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Variations in the bifurcation level of the abdominal aorta, formation level of the inferior vena cava, and insertion level of the left renal vein into the inferior vena cava and their clinical importance in laparoscopic surgery

Cited by 1 publication

References 15 publications

Influence of Aortic Deviation on Abdominal Aorta Bifurcation Level Relative to Vertebral Position

Influence of Aortic Deviation on Abdominal Aorta Bifurcation Level Relative to Vertebral Position

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