Gastrostomy feeding tube insertion is done in part using a procedure called endoscopy. This is a way of looking inside the body using a flexible tube with a small camera on the end of it. The endoscope is inserted through the mouth and down the esophagus, which leads to the stomach.

After the endoscopy tube is inserted into the stomach, the skin over the left side of the belly (abdomen) area is cleaned and numbed. Your surgeon makes a small surgical cut in this area. The G-tube is inserted through this cut into the stomach. The tube is small, flexible, and hollow. Your surgeon uses stitches to close the stomach around the tube.

Gastrostomy feeding tubes are put in for different reasons. They may be needed for a short time or permanently. This procedure may be used for:

• Babies with birth defects of the mouth, esophagus, or stomach (for example, esophageal atresia or tracheal esophageal fistula)
• People who cannot swallow correctly
• People who cannot take enough food by mouth to stay healthy
• People who often breathe in food when eating

Risks for surgical or endoscopic feeding tube insertion are:

• Bleeding
• Infection

You will be given a sedative and a painkiller. In most cases, these medicines are given through a vein (IV line) in your arm. You should feel no pain and not remember the procedure.

A numbing medicine may be sprayed into your mouth to prevent the urge to cough or gag when the endoscope is inserted. A mouth guard will be inserted to protect your teeth and the endoscope.

Dentures must be removed.

This is most often a simple surgery with a good outlook. Follow any self-care instructions you're given, including:

• How to care for the skin around the tube
• Signs and symptoms of infection
• What to do if the tube is pulled out
• Signs and symptoms of tube blockage
• How to empty the stomach through the tube
• How and what to feed through the tube
• How to hide the tube under clothing
• What normal activities can be continued

The stomach and abdomen will heal in 5 to 7 days. Moderate pain can be treated with medicine. Feedings will start slowly with clear liquids, and increase slowly.

Gastrostomy tube insertion; G-tube insertion; PEG tube insertion; Stomach tube insertion; Percutaneous endoscopic gastrostomy tube insertion

Kessel D, Robertson I. Treating gastrointestinal conditions. In: Kessel D, Robertson I, eds. Interventional Radiology: A Survival Guide. 4th ed. Philadelphia, PA: Elsevier; 2017:chap 42.

Murray TE, Lee MJ. Gastrostomy and jejunostomy. In: Mauro MA, Murphy KP, Thomson KR, Venbrux AC, Morgan RA, eds. Image-Guided Interventions. 3rd ed. Philadelphia, PA: Elsevier; 2021:chap 91.

Twyman SL, Davis PW. Percutaneous endoscopic gastrostomy placement and replacement. In: Fowler GC, ed. Pfenninger and Fowler's Procedures for Primary Care. 4th ed. Philadelphia, PA: Elsevier; 2020:chap 92.

Updated by: Debra G. Wechter, MD, FACS, General Surgery Practice Specializing in Breast Cancer, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.