Posterosuperior Segments of the Liver: Comparison of Short-Term Outcomes between Open and Minimally Invasive Surgery Performed by a Single Surgeon

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Laparoscopic posterosuperior liver segment resection is considered technically challenging. This is a retrospective single-center single-surgeon study. The aim of the present study is to investigate the short-term outcomes in a single institution between laparoscopic (LLR) and open (OLR) posterosuperior liver segments (PSSs) resections performed by a single surgeon at Parma University Hospital. The patients were divided into Group 1 (OLR) and Group 2 (LLR) and stratified in two different time settings according to the experience of the surgeon (2010–2015 and 2016–2021). A total 112 patients were included in the study. The 75.3% of OLR were performed in the first period, while 70.2% of LLR were carried out during the second period (2016–2021). The Iwate score was significantly (p < 0.001) higher in OLR group compared to the LLR group. Most of the advanced (77%) and expert (100%) LLRs were performed during the second period. LOS was shorter in LLR group comparing to OLR group (p < 0.001). The postoperative morbidity rate was similar in both groups (p > 0.05). The presence of liver cirrhosis and multiple lesions were identified as risk factors for severe postoperative complications. PSS-LLR has become much safer and more effective due to increasing surgeon’s expertise along with the implementation of cutting-edge technology and innovative surgical techniques.

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