Preoperative portal vein embolization for major liver resection

Rassam F, et al. Functional and volumetric assessment of liver segments after portal
vein embolization: Differences in hypertrophy response. Surgery. 2019 Apr;165(4):686-695.

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RESULTS: A total of 90 patients underwent portal vein embolization of the right liver. After 3 weeks, there was a significant increase in both volumetric and functional share of the future remnant liver (both P < .01). The increase in functional share exceeded the increase in volumetric share (P < .01). The median functional contribution of segment 4 after portal vein embolization was 41.5% (31.7%-48.7%) of the nonembolized lobe. Preoperative chemotherapy was not a significant predictor of the increase in function or volume. Compared with benign lesions, malignant diseases were significant negative predictors of the functional response.

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