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Only replace your child’s MIC-G™ g-tube if you have been taught how to do so by your child’s doctor or nurse.
If your child’s MIC-G™ g-tube falls out and you have not been taught how to replace it, put the g-tube back in the stoma and cover the site with gauze to soak up drainage. Tape the gauze in place and call your doctor or nurse at Children’s Hospital right away.
Figure 1: MIC-G in stomach
sterile water or distilled water
5-10 cc/ml slip tip syringe
water soluble lubricant (such as K-Y Jelly®). Do not use oil or petroleum jelly (such as Vaseline®).
Figure 2: MIC-G™ Tube
Note: Plan to change the MIC-G™ g-tube just before a feeding. This will help limit the amount of stomach contents that leak onto your child’s belly during the change.
Wash your hands. Remove the new MIC-G™ g-tube from the package (Figure 2).
Check the new MIC-G™ g-tube balloon for any leaks. To check for leaks, attach the syringe to the balloon port of the new g-tube and fill the balloon with water using a 5-10 cc/ml syringe. Remove the syringe and look at the balloon. Check and see if any water leaks from the g-tube.
Gently pull back on the syringe plunger to remove the water from the balloon of the new MIC-G™ g-tube. Keep the syringe attached and set to the side.
Attach an empty 5-10 cc/ml syringe to the balloon port of the MIC-G™ g-tube that is in your child’s stomach. Pull back on the plunger until all of the water is removed from the balloon. If you cannot withdraw any water, check that the port opening is clean and not clogged with formula, and that you have a tight connection between the syringe and MIC-G™ g-tube balloon port. Then try again to withdraw water.
Gently remove the old MIC-G™ g-tube from your child’s stomach. You might feel a little resistance (tug) when you do this. This is normal. **If the g-tube feels stuck, stop trying to remove the tube and call your doctor or nurse right away for instructions. Do not use the tube. You child may need to be seen to have the g-tube checked and changed.
If the g-tube is removed easily, then grease the tip of the new MIC-G™ g-tube with the water-soluble lubricant.Draw up the prescribed amount of sterile or distilled water (usually 3-5cc) into the syringe.
Gently put the new MIC-G™ g-tube into the stoma to the 4-5 cm mark on the side of the g-tube and attach the syringe to balloon port.
Fill the balloon. Remove syringe.
Gently pull up on the MIC-G™ g-tube to position the balloon against the stomach wall. When you feel resistence hold the tube in place and gently slide the disk down to the stomach surface. Wipe away any extra lubricant.
After the new MIC-G™ g-tube is in place, attach the syringe to the gastric port and pull back on the syringe to draw out any stomach secretions (juices). This will help you know the MIC-G™ g-tube is in the right place in the stomach. **If you are not able to withdraw any secretions, DO NOT USE the g-tube and call your child’s doctor or nurse. It is possible that the g-tube is not in the the right place.
Always keep an extra MIC-G™ g-tube on hand. Your child’s doctor or nurse will give you a prescription for the tube. Give the prescription to your homecare supply company.
MIC-G™ g-tubes usually last 3 to 6 months. Change or resize:
If there are any cracks in the tube
If water is missing from the balloon after two weekly balloon checks
It is helpful to keep a spare syringe, roll of tape, and lubricant with you in case the tube needs to be replaced when you are not home.
You have any questions or concerns about your child’s g-tube
You do not get stomach juices (secretions) back up the extension tubing after the g-tube change.
The tube is clogged
The skin around the g-tube is red, swollen, warm, sore or bleeding
The stoma has a strange smell
There is pus or drainage around the g-tube
Your child has a fever of 101°F, along with any of the problems above
Your child throws up more than 3 times in 24 hours
The g-tube falls out and you cannot easily replace it
There is any redness or soreness around the skin that does not get better with routine skin care and dressing change
If your child is followed by General Surgery:
Monday–Friday, 8:30am–5:00pm - Call the General Surgery outpatient nurses at(617) 355-7716 or (617) 355-7704.
Weeknights, 5:00pm–8:30am, Weekends, or Holidays - Call the Children’s Hospital page operator at (617) 355-6369 and ask for the General Surgery Senior Resident on-call.
If your child is followed by Gastroenterology (GI):
Monday-Friday, 8:00am–4:30pm - Our GI nurses can help you with all types of g-tube questions. Call the GI office at (617) 355-6058 and ask to speak directly with one of the GI nurses.
Weekdays after 4:30pm, Weekends, or Holidays - Call the GI offices at (617) 355-6058 and ask to speak to the GI doctor on-call for urgent questions or emergencies.
Call the General Surgery outpatient nurses at (617) 355-7716 or (617) 355-7704.
Call the Children’s Hospital page operator at (617) 355-6369 and ask for the General Surgery Senior Resident on-call.
Weeknights, 5:00pm–8:30am, Weekends, or Holidays
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