Hepatic portal venous gas: physiopathology, etiology, prognosis and treatment.

Hepatic portal venous gas (HPVG), an ominous radiologic sign, is associated in some cases with a severe underlying abdominal disease requiring urgent operative intervention. HPVG has been reported with increasing frequency in medical literature and usually accompanies severe or lethal conditions. The diagnosis of HPVG is usually made by plain abdominal radiography, sonography, color Doppler flow imaging or computed tomography (CT) scan.

Effect of intravenous crystalloid infusion on postoperative nausea and vomiting after thyroidectomy: a prospective, randomized, controlled study.

Background And Objective: Intravenous administration of compound sodium lactate (CSL) 30 ml kg to women undergoing gynaecological laparoscopy reduced the incidence of vomiting, nausea and antiemetic use when compared with 10 ml kg. The aim of this study was to evaluate the effect of intravenous fluid administration on nausea and vomiting after thyroidectomy.

Methods: With ethics committee approval, 100 patients scheduled for thyroid surgery were included in this prospective, controlled, double blind study.