Study groups
The 24 patients included in the study were randomly allocated into one of the following groups, divided according to the liver puncture technique used for the biopsy. The patients in both groups were admitted to hospital and fasted for 8 h. The pre-anesthetic, intraoperative and post-anesthetic methods were performed according to the routine of the anesthesiologist, using previously established anesthetic procedures. The first procedure performed was the liver biopsy and then, the patient’s baseline surgery was performed.