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Background: The assessment of gastric pool is of crucial importance both post-operatively and in intestinal obstruction. Till nowadays, the evaluation of the presence of persistent gastric pool is obtained by positioning a naso-gastric tube. Considerable gastric pool may be present as occasional finding of some imaging studies (such as traditional X-ray, ultrasound or CT). Gastric pool assessment is very important in surgical patients. Moreover, naso-gastric tube positioning is an invasive procedure and it is often overused. On the contrary, ultrasonography is noninvasive and commonly used in medical wards in order to face a variety of problems. Aim: The main aim of the study is to evaluate the feasibility of gastric pool assessment by ultrasound. Materials and Methods: We have set an ultrasound evaluation of gastric pool using two ultrasonographic projections in 10 healthy volunteers and we have verified it in 20 operated patients. Results: Gastric pool is well visible and can be quantified in all the cases. The method is simple and easily reproducible bed-side. Discussion: Evidences from the present study suggest the evaluation of gastric pool with this ultrasonographic technique: a non-invasive, repeatable, low-cost and bed-side ultrasound technique. Conclusions: The gastric pool’s assessment using ultrasounds is possible and useful in surgical patients in order to select good indications for naso-gastric tube positioning.

Evaluation of Gastric Pool in Surgical Patients with Ultrasonographic Technique