METHODS: All LLRs performed between 01/2011 until 01/2019 were identified from our prospective institutional database. Patient characteristics as well as intra- and postoperative data were analyzed. Postoperative complications were graded according to Dindo-Clavien classification. Difficulty of LLR was classified using IWATE- and Halls-score.
RESULTS: We identified 100 LLR, of which 13 were performed in liver cirrhosis. Conversion rate was 4%, postoperative complications (≥°III) occurred in 10% of the patients, and two patients died within 90 days. Higher difficulty levels were associated with higher intraoperative blood loss (P < .001 and P = .002), longer duration of surgery (both P < .001) and hospital stay (P = .012 and P = .033) for the Halls- and IWATE-scores, respectively. ROC curve analysis revealed better performance for the Halls- than for the IWATE-score regarding morbidity as well as for mortality.
CONCLUSIONS: The IWATE- and the Halls-score correlate well with postoperative morbidity. The Halls-score predicted postoperative morbidity and mortality slightly better than the IWATE-score.