Ultrasound Assessment of Gastric Contents in Fasted Surgical Patients With Previous Subtotal Gastrectomy

Ultrasound Assessment of Gastric Contents in Fasted Surgical Patients With Previous Subtotal Gastrectomy

Investigators assess the gastric contents by ultrasonography in fasted patients with previous subtotal gastrectomy.

Investigators evaluate the gastric contents by ultrasonography in fasted patients with previous subtotal gastrectomy, quantitatively and qualitatively. The frequency of visualization fully will be also analyzed.

Inclusion Criteria:

• The preoperative fasted patients with previous subtotal gastrectomy

Exclusion Criteria:

• Other anatomical abnormality or mass of stomach except gastrectomy