Abstract
To study the risk factors of severe blood loss in extensive liver resections, consequences of hemorrhagic problems and their correction. The study included 374 patients. Group 1 comprised 282 patients (118 men and 164 women aged 54.1±0.7 years) who underwent surgery between 2000 and 2012. Group 2 included 92 patients (34 women and 58 men aged 53.6±1.3 years) operated on for the period 2013-2019. Technical equipment for mobilization and dissection of hepatic parenchyma has fundamentally changed for the period 2013-2019. This processes reduced blood loss by more 50% and consumption of donor blood components (red blood cells by 2.8 times, FFP by 1.8 times). Compression of hepatoduodenal ligament (Pringle maneuver) and tumor type did not affect intraoperative blood loss. Neoplasms over 10 cm increased blood loss. An increase in the number of resected segments by 2 times contributed to increase of blood loss by 2.7 times. Body mass index >25 kg/m2 was also associated with higher blood loss.
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