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Preoperative right portal vein embolisation: indications and results

Embolizzazione pre-chirurgica del ramo portale di destra: indicazioni e risultati

  • Vascular and Interventional Radiology/Radiologia Vascolare Ed Interventistica
  • Published:
La radiologia medica Aims and scope Submit manuscript

Abstract

Purpose

The purpose of this retrospective study was to evaluate the efficacy of right portal vein embolisation (PVE) in inducing contralateral liver hypertrophy before extended hepatectomy.

Materials and methods

Twenty-six consecutive patients, 14 with liver metastases (ten from colorectal cancer; four from carcinoid tumours) and 12 with biliary cancers (ten Klatskin tumours; one gallbladder tumour; one intrahepatic cholangiocarcinoma) with insufficient predicted future remnant liver (FRL) underwent right PVE to induce hypertrophy of the contralateral hemiliver prior to surgical resection. Total liver volume, tumour volume and FRL volume were calculated on a 3D workstation. The ratio of the FRL to the total functional liver volume was <30% in all patients.

Results

The FRL volume increased by 5%–25% (15% on average) after right PVE in patients with liver metastases and by 9%–19% (14% on average) in patients with biliary cancers. In all patients, the ratio of FRL to functional liver volume was ≥30% after right PVE. No postoperative deaths due to severe liver failure occurred in the 20 patients who underwent extended hepatectomy.

Conclusions

Right PVE extends the indications for hepatectomy in patients with liver metastases and those with biliary cancers who have an insufficient potential hepatic functional reserve.

Riassunto

Obiettivo

Lo scopo del nostro studio retrospettivo è stato di valutare l’efficacia dell’embolizzazione del ramo portale destro (RPVE) come trattamento pre-chirurgico per indurre l’ipertrofia del fegato sinistro in pazienti candidati a resezione epatica.

Materiali e metodi

Ventisei pazienti consecutivi, 14 portatori di metastasi epatiche (colon-retto, 10 pazienti; carcinoide, 4 pazienti) e 12 portatori di neoplasia delle vie biliari (neoplasia di Klatskin, 10 pazienti; neoplasia della colecisti, 1 paziente; colangiocarcinoma intraepatico, 1 paziente) con potenziale riserva funzionale epatica (FRL) insufficiente sotto stati sottoposti a RPVE come trattamento pre-chirurgico. Mediante una workstation 3D è stato calcolato il volume epatico totale, il volume del tumore ed il volume del FRL. In tutti i pazienti il rapporto FRL/ volume epatico totale funzionante era <30%.

Risultati

Il volume del FRL ha dimostrato un incremento volumetrico compreso tra il 5%–25% (15% in media) dopo RPVE nei pazienti con metastasi epatiche e tra il 9%–19% (14% in media) in pazienti con neoplasie biliari. In tutti i pazienti il rapporto FRL/volume epatico funzionante dopo RPVE era <30%. Venti pazienti sono stati sottoposti a chirurgia resettiva epatica e nessun paziente è deceduto per insufficienza epatica grave.

Conclusioni

L’embolizzazione portale allarga le indicazioni alla chirurgia resettiva epatica in pazienti con metastasi epatiche e neoplasie delle vie biliari con potenziale riserva funzionale insufficiente.

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Correspondence to B. Barbaro.

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Barbaro, B., Caputo, F., Tebala, C. et al. Preoperative right portal vein embolisation: indications and results. Radiol med 114, 553–570 (2009). https://doi.org/10.1007/s11547-009-0383-9

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  • DOI: https://doi.org/10.1007/s11547-009-0383-9

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