Observation is highly effective in select hemodynamically stable patients with liver laceration and active extravasation and leads to few additional interventions in these patients, while angioembolization is associated with higher rates of drain placement for abscess or biloma and increased length of stay (LOS).
An observation-first strategy for liver injuries with “blush” on computed tomography is safe and effective. J Trauma Acute Care Surg. 2023 Feb 1;94(2):281-287. doi: 10.1097/TA.0000000000003786. Epub 2022 Sep 23.