[SURGICAL ANATOMY OF THE TRIBUTARIES OF INFERIOR VENA CAVA]

The results of the anatomical study of the inferior vena cava (IVC) and its tributaries on 27 fresh cadavers were analysed. It was established that in past hepatic part of IVC fall from 7 to 23 veins. The diameter of the main hepatic veins on average 12.3 mm, and back — 4.8 mm. In 63% of cases between the main and back hepatic veins have a free box of length 10 — 18 mm. Lumbar vein 2 — 8 pairs of branches in 92.6% of cases merge and flow into the IVC by one trunk, often closer to her left hemi circle. The diameter of the joint lumbar vein average 5.2 mm. Upper joint lumbar vein falls into the IVC at a distance of 13 — 23 mm from the confluence of the right renal vein. Back hepatic and joint lumbar vein may be a source of intraoperative bleeding, that is difficult to control. Identified anatomical features tributaries of IVC below the diaphragm should be borne in mind when removing blood clots from the IVC.