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Estimation of physiologic ability and surgical stress system (E-PASS) has been shown to be effective in predicting morbidity after surgery for perihilar cholangiocarcinoma (PHCC). Nevertheless, E-PASS does not include an assessment of the disease specific risk factors. The aim of the study was to estimate the combined impact of E-PASS and specific preoperative factors on major morbidity for PHCC patients.A retrospective analysis of a prospectively collected data was performed. Severe morbidity according to complication comprehensive index was defined as ≥40 points. A value of comprehensive risk score (CRS) ≥1 was taken as critical.Multivariate analysis of perioperative data from 122 patients revealed significant impact of five factors (CRS ≥1, future liver remnant volume50%, T4 stage, moderate and severe cholangitis, INR) on the risk of severe morbidity after resection. The AUC for the combination of these factors was classified as good predictive value (0.810, 95% CI 0.729-0.891) and poor predictive value (0.673, 95% CI 0.573-0.773) for CRS alone (p = 0.040).A combination of E-PASS with disease specific risk factors is a reliable predictive model for major morbidity for patients undergoing radical surgery for PHCC.

Aim . To compare early and long-term outcomes of laparoscopic and robot-assisted liver resections with open procedures. Material and Methods. Retrospective case-control study was performed. Pseudo-randomization was used to compare homogeneous data. We have assessed survival in patients with various forms of cholangiocellular carcinoma and colorectal cancer metastases after minimally invasive liver resections. Results. For the period 2013–2017 two hundred and fifteen minimally invasive liver resections were performed including 49 robot-assisted and 166 laparoscopic ones. Malignant tumors were in 45% of cases, benign tumors – in 42%, parasitic neoplasms – in 13%. Early results of minimally invasive resections and 70 comparable open liver resections were compared. All procedures were carried out within the same period at one institution. Immediate results were significantly better after minimally invasive liver resections both before pseudo-randomization and after that. There were 60 pairs of patients after pseudo-randomization. In groups of minimally invasive and open resections blood loss was 396 (0–3400) and 853 (20–6000) ml respectively, time of surgery – 319 (85–580) and 376 (180–775) min, incidence of severe (Clavien–Dindo II and over) complications – 10% (n = 6) and 23% (n = 14), length of postoperative hospital-stay – 9 (3–90) and 12 (2–39) days, respectively. 3-year survival after mini-invasive liver resections for colorectal cancer metastases was 70%, various forms of cholangiocellular carcinoma – 40%. Conclusion. Conventional liver resections can be successfully performed in laparoscopic or robot-assisted fashion in certain patients at specialized center of surgical hepatology with sufficient experience in open and laparoscopic liver surgery.