Displaced G-tube: Difference between revisions
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==Background== | ==Background== | ||
*The percutaneous gastrostomy tube (PEG) is commonly indicated in: | *The percutaneous gastrostomy tube (PEG) is commonly indicated in: | ||
**Patients with impaired ability to tolerate PO for caloric supplementation, hydration, frequent enteral medication dosing | **Patients with impaired ability to tolerate PO for caloric supplementation, hydration, frequent enteral medication dosing | ||
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*Most PEGs are 18F to 28F and may be used for 12-24mo | *Most PEGs are 18F to 28F and may be used for 12-24mo | ||
*Displacement is estimated to occur in 1.6-20% of patients with PEG tubes | *Displacement is estimated to occur in 1.6-20% of patients with PEG tubes | ||
===Anatomy=== | ===Anatomy=== | ||
The G-tube creates a connection via a hollow tube, from the gastric lumen, through the gastric wall and peritoneum, and through the abdominal wall | The G-tube creates a connection via a hollow tube, from the gastric lumen, through the gastric wall and peritoneum, and through the abdominal wall | ||
==Clinical Features== | ==Clinical Features== | ||
*G-tube fully removed or partially removed with deflated balloon exposed | *G-tube fully removed or partially removed with deflated balloon exposed | ||
==Differential Diagnosis== | ==Differential Diagnosis== | ||
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{{DDX G-tube}} | {{DDX G-tube}} | ||
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==Evaluation== | ==Evaluation== | ||
*Clinical diagnosis | *Clinical diagnosis | ||
==Management== | ==Management== | ||
===Within 2-4 Weeks of Insertion=== | ===Within 2-4 Weeks of Insertion=== | ||
*'''''Do not attempt to replace the tube''''' | *'''''Do not attempt to replace the tube''''' | ||
*May not represent sufficient time for full epithelialization of the percutaneous tract | *May not represent sufficient time for full epithelialization of the percutaneous tract | ||
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*Urgent general surgical, gastroenterology, or radiology consult is recommended | *Urgent general surgical, gastroenterology, or radiology consult is recommended | ||
*Admit for IV antibiotics and monitor for peritonitis | *Admit for IV antibiotics and monitor for peritonitis | ||
===More Than 2-4 Weeks=== | ===More Than 2-4 Weeks=== | ||
*Reinsertion should be attempted as soon as possible | *Reinsertion should be attempted as soon as possible | ||
**Mature stomas close rapidly (within minutes to hours) | **Mature stomas close rapidly (within minutes to hours) | ||
*Replacement tubes should be of the same size as the initial tube | *Replacement tubes should be of the same size as the initial tube | ||
*If the original size is unknown, a 16 or 18 French G tube or a Foley catheter may generally be used | *If the original size is unknown, a 16 or 18 French G tube or a Foley catheter may generally be used | ||
===Replacing a G-Tube=== | ===Replacing a G-Tube=== | ||
#Deflate the balloon | #Deflate the balloon | ||
#Lubricate the tube with lidocaine jelly | #Lubricate the tube with lidocaine jelly | ||
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#*Inject of 10cc NS through the tube under direct ultrasound visualization of the stomach | #*Inject of 10cc NS through the tube under direct ultrasound visualization of the stomach | ||
#*Check tube fluid: gastric fluid pH is normally <4 | #*Check tube fluid: gastric fluid pH is normally <4 | ||
==Disposition== | ==Disposition== | ||
*Tubes in place less than 2-4 weeks need urgent surgical, gastroenterology, or radiology consult | *Tubes in place less than 2-4 weeks need urgent surgical, gastroenterology, or radiology consult | ||
*Otherwise, tubes may be reinserted as described above, with urgent surgical, gastroenterology, or radiology consult if the tube is not replaced easily | *Otherwise, tubes may be reinserted as described above, with urgent surgical, gastroenterology, or radiology consult if the tube is not replaced easily | ||
==External Links== | ==External Links== | ||
*[https://www.youtube.com/watch?v=1Ue63A2ULUI YouTube - Gtube Replacement] | *[https://www.youtube.com/watch?v=1Ue63A2ULUI YouTube - Gtube Replacement] | ||
==See Also== | ==See Also== | ||
*[[G-tube complications]] | |||
*[[Special:MyLanguage/G-tube complications|G-tube complications]] | |||
==References== | ==References== | ||
<references/> | <references/> | ||
[[Category:GI]][[Category:Procedures]] | [[Category:GI]][[Category:Procedures]] | ||
[[Category:Surgery]] | [[Category:Surgery]] | ||
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Latest revision as of 22:48, 4 January 2026
Background
- The percutaneous gastrostomy tube (PEG) is commonly indicated in:
- Patients with impaired ability to tolerate PO for caloric supplementation, hydration, frequent enteral medication dosing
- Oropharyngeal or esophageal obstruction
- Major facial trauma
- Passive gastric decompression
- Mechanical apposition of the stomach to the abdominal wall to prevent hiatal herniation
- Most PEGs are 18F to 28F and may be used for 12-24mo
- Displacement is estimated to occur in 1.6-20% of patients with PEG tubes
Anatomy
The G-tube creates a connection via a hollow tube, from the gastric lumen, through the gastric wall and peritoneum, and through the abdominal wall
Clinical Features
- G-tube fully removed or partially removed with deflated balloon exposed
Differential Diagnosis
G-tube complications
Evaluation
- Clinical diagnosis
Management
Within 2-4 Weeks of Insertion
- Do not attempt to replace the tube
- May not represent sufficient time for full epithelialization of the percutaneous tract
- Efforts at replacement may result in intra-peritoneal tube
- Urgent general surgical, gastroenterology, or radiology consult is recommended
- Admit for IV antibiotics and monitor for peritonitis
More Than 2-4 Weeks
- Reinsertion should be attempted as soon as possible
- Mature stomas close rapidly (within minutes to hours)
- Replacement tubes should be of the same size as the initial tube
- If the original size is unknown, a 16 or 18 French G tube or a Foley catheter may generally be used
Replacing a G-Tube
- Deflate the balloon
- Lubricate the tube with lidocaine jelly
- Position the patient reclined in bed to decrease abdominal pressure and relax abdominal wall musculature
- Reinsert the tube along the tract
- Never force the tube
- Forcing the tube may separate the stomach from the abdominal wall and result in intraperitoneal placement of the G tube
- If unable to replace g-tube, attempt one size smaller or a foley catheter
- Inflate the balloon with NS (amount written in milliliters on the port)
- Apply gentle traction to position the balloon against the gastric wall
- Adjust the external bolster against the skin with approximately 1cm of mobility and secure with tape and gauze
- Not recommended to place gauze between external bolster and skin
- Confirm positioning. Options include:
- Inject 20-30mL of water-soluble contrast [Gastrografin], then obtain an upright abdominal XR
- Inject of 10cc NS through the tube under direct ultrasound visualization of the stomach
- Check tube fluid: gastric fluid pH is normally <4
Disposition
- Tubes in place less than 2-4 weeks need urgent surgical, gastroenterology, or radiology consult
- Otherwise, tubes may be reinserted as described above, with urgent surgical, gastroenterology, or radiology consult if the tube is not replaced easily
External Links
See Also