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. 2022 Oct;36(10):7343-7351.
doi: 10.1007/s00464-022-09130-z. Epub 2022 Feb 24.

Correlation between anthropometric data and preparatory maneuvers difficulties during laparoscopic right liver resections: a single center prospective study

Nadia Russolillo  1   2 , Michele Casella  3 , Serena Langella  3 , Roberto Lo Tesoriere  3 , Paolo Ossola  3 , Alessandro Ferrero  3
Affiliations

Correlation between anthropometric data and preparatory maneuvers difficulties during laparoscopic right liver resections: a single center prospective study

Nadia Russolillo et al. Surg Endosc. 2022 Oct.

Abstract

Purpose: The difficulty of laparoscopic right liver resections (LRLR) is mainly associated with their poor accessibility. Anthropometric data rather than BMI was reported to predict transection time and blood loss. Aim of the study was to evaluate the correlation between anthropometric data and preparatory manoeuvres difficulties during LRLR.

Methods: All patients who underwent LRLR requiring full right liver mobilization from November 2019 to March 2021 were prospectively included in the study. Data on surgeons' difficulty perceptions on liver mobilization (LM), isolation of right hepatic vein (RHVI), liver manageability and visibility were rated with a 5-point scale. Data on cranio-caudal liver diameters (CCliv), CHALLENGE Index (CCliv/latero-lateral abdomen diameter), times needed to LM and RHVI were collected.

Results: Sixty-five patients (29 wedge and 36 anatomical resections) with a median BMI of 25.5 were analysed. One patient required open conversion due to oncological reason. No correlations between BMI and CCliv or CHALLENGE Index were found. Larger CCliv diameter correlated with longer time for both RHVI (r = 0.589, p = 0.002) and LM (r = 0.222, p = 0.049). Higher CHALLENGE index correlated with longer time for RHVI (r = 0.589, p = 0.002). The CHALLENGE index showed a linear correlation with difficulty to the isolation of RHV (r = 0.327, p = 0.045), whilst the liver manipulation difficulty increased with latero-lateral liver diameter (r = 0.244, p = 0.033). BMI had no correlation with the duration of preparatory maneuvers neither with surgeons' difficulties.

Conclusions: Anthropometric data can help to anticipate the difficulty of preparatory maneuvers during laparoscopic right liver resections.

Keywords: Anthropometric data; Laparoscopic liver resection; Liver measurement; Right liver mobilization; Right liver resection.

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