Buried bumper syndrome

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Buried bumper syndrome
Specialty Gastroenterology
Symptoms Asymptomatic, tube dysfunction
Complications Bleeding, infection, abscess, peritonitis
Usual onset>1 year after G tube placement
CausesExcessive tightening of the external bumper
Risk factors Obesity, weight gain, malnutrition, corticosteroid therapy, and poor wound healing.
Diagnostic method Upper endoscopy
TreatmentGastrostomy tube removal
Frequency0.3–2.4% of people with a G-tube

Buried bumper syndrome (BBS) is a condition that affects feeding tubes placed into the stomach (gastrostomy tubes) through the abdominal wall. Gastrostomy tubes include an internal bumper, which secures the inner portion of the tube inside the stomach, and external bumper, which secures the outer portion of the tube and opposes the abdomen. Buried bumper syndrome occurs when the internal bumper of a gastrostomy tube erodes into the wall of the stomach. The internal bumper may become entirely buried within the fistulous tract. The main causative factor is excessive tightening of the external bumper, leading to increased pressure of the internal bumper on the wall of the stomach. Additional risk factors include: obesity, weight gain, malnutrition, corticosteroid therapy, and poor wound healing.

Contents

Buried bumper syndrome may be entirely asymptomatic, though tube dysfunction is common. The gastrostomy tube may leak around the entry site, or it may become difficult to infuse feeds, fluids or medications. Less often, bleeding, infection, abscess or peritonitis may occur. Diagnosis is achieved most often with upper endoscopy. Computed tomography imaging may also confirm the diagnosis. Treatment consists of removal of the gastrostomy tube, either via simple external traction or endoscopic removal. Surgery is rarely necessary.

Signs and symptoms

Buried bumper syndrome may be asymptomatic, especially early in the course. Dysfunction of the tube occurs commonly, including leakage around the insertion site, inability to administer feedings or fluids, or need for more pressure when giving feeds. [1] Buried bumper syndrome may cause abdominal pain or swelling (erythema) at the site of insertion of the PEG tube. Less commonly, buried bumper syndrome may also be complicated by acute infectious illness (sepsis), abscess formation, gastrointestinal bleeding or peritonitis. [2] [3] In some cases, the internal bumper may be felt by palpating the abdomen. [2] Inspection of the tube typically reveals an inability to easily rotate the tube. [2]

Cause

Buried bumper syndrome occurs when this internal bumper erodes into the wall of the stomach, sometimes becoming entirely buried within the wall of the stomach. Buried bumper syndrome tends to be a late complication of gastrostomy tube placement, but can rarely occur as early as 1 to 3 weeks after tube placement. [4] [5] Most cases occur more than 1 year after initial placement of the PEG tube. [2]

Excessive tightening of the external bumper is the primary risk factor for buried bumper syndrome. Maintaining the external bumper in a loose position may help prevent buried bumper syndrome. [6] Additional risk factors include obesity, medications, poor wound healing, malnutrition, etc. Feeding tubes with soft balloon internal bumpers are less likely to cause buried bumper syndrome, compared with more firm or stiff polyurethane internal bumpers. [7]

Diagnosis

Buried bumper syndrome may be suspected based on features consistent with this disorder. The diagnosis is confirmed either endoscopically (via upper endoscopy) or with computed tomography. [8] Upper endoscopy may reveal overgrowth of stomach tissue over the internal bumper (incomplete buried bumper syndrome). [1] If the bumper has eroded deep into the gastric mucosa, it may not be visualized during endoscopic evaluation (complete buried bumper syndrome). [1]

Prevention

Prevention consists of maintaining a space of 1–2 cm between the external bumper of the gastrostomy tube and the abdominal wall, which avoids excess pressure of the internal bumper onto the stomach wall. Mobilizing and rotating the tube may prevent mucosal overgrowth and aid in avoiding buried bumper syndrome. [7]

Treatment

Treatment of buried bumper syndrome consists of removal of the gastrostomy tube. For mild cases with externally removable tubes, simple external traction may be used to remove the tube. Several different approaches may be utilized, including endoscopy. [9] [10] If endoscopic removal is pursued, a new feeding tube may be placed during the same procedure. [11] Where endoscopic removal is not possible, surgery may be necessary (laparoscopic or laparotomy).

Epidemiology

Buried bumper syndrome occurs in 0.3–2.4% of patients. Malnutrition, malignancy, chemoradiation, and corticosteroid therapy are additional risk factors. [7]

History

In 1980, the first percutaneous endoscopic gastrostomy (PEG) tube was reported, as an alternative to an open surgical placement of feeding tubes. The first cases of buried bumper syndrome were reported in 1988 and 1989. [7] The term "buried bumper syndrome" was first used in 1990. [9]

See also

Related Research Articles

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<span class="mw-page-title-main">Endoscopy</span> Procedure used in medicine to look inside the body

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References

  1. 1 2 3 Blumenstein, I; Shastri, YM; Stein, J (14 July 2014). "Gastroenteric tube feeding: techniques, problems and solutions". World Journal of Gastroenterology. 20 (26): 8505–24. doi: 10.3748/wjg.v20.i26.8505 . PMC   4093701 . PMID   25024606.
  2. 1 2 3 4 Satiya, J; Marcus, A (27 March 2019). "The Buried Bumper Syndrome: A Catastrophic Complication of Percutaneous Endoscopic Gastrostomy". Cureus. 11 (3): e4330. doi: 10.7759/cureus.4330 . PMC   6538410 . PMID   31183309.
  3. ↑ Lazaridis, N; Murino, A; Telese, A; Koukias, N; Despott, EJ (December 2019). "A multimodality endoscopic approach for the management of buried bumper syndrome". Endoscopy. 51 (12): E410–E411. doi: 10.1055/a-0896-2594 . PMID   31362313.
  4. ↑ Pinho, J; Libânio, D; Pimentel-Nunes, P; Dinis-Ribeiro, M (April 2018). "The Challenging Acute Buried Bumper Syndrome: A Case Report". GE Portuguese Journal of Gastroenterology. 25 (3): 151–153. doi:10.1159/000485104. PMC   5939786 . PMID   29761152.
  5. ↑ Geer, W; Jeanmonod, R (September 2013). "Early presentation of buried bumper syndrome". The Western Journal of Emergency Medicine. 14 (5): 421–3. doi:10.5811/westjem.2013.2.15843. PMC   3789897 . PMID   24106531.
  6. ↑ SHEERS, R; CHAPMAN, S (1 October 1998). "The buried bumper syndrome: a complication of percutaneous endoscopic gastrostomy". Gut. 43 (4): 586. doi:10.1136/gut.43.4.586a. PMC   1727284 . PMID   9882193.
  7. 1 2 3 4 Cyrany, J; Rejchrt, S; Kopacova, M; Bures, J (14 January 2016). "Buried bumper syndrome: A complication of percutaneous endoscopic gastrostomy". World Journal of Gastroenterology. 22 (2): 618–27. doi: 10.3748/wjg.v22.i2.618 . PMC   4716063 . PMID   26811611.
  8. ↑ Biswas, S; Dontukurthy, S; Rosenzweig, MG; Kothuru, R; Abrol, S (2014). "Buried bumper syndrome revisited: a rare but potentially fatal complication of PEG tube placement". Case Reports in Critical Care. 2014: 634953. doi: 10.1155/2014/634953 . PMC   4010002 . PMID   24829838.
  9. 1 2 Klein, S; Heare, BR; Soloway, RD (April 1990). "The "buried bumper syndrome": a complication of percutaneous endoscopic gastrostomy". The American Journal of Gastroenterology. 85 (4): 448–51. PMID   2109527.
  10. ↑ Boyd, JW; DeLegge, MH; Shamburek, RD; Kirby, DF (May 1995). "The buried bumper syndrome: a new technique for safe, endoscopic PEG removal". Gastrointestinal Endoscopy. 41 (5): 508–11. doi:10.1016/s0016-5107(05)80013-6. PMID   7615233.
  11. ↑ Venu, RP; Brown, RD; Pastika, BJ; Erikson LW, Jr (October 2002). "The buried bumper syndrome: a simple management approach in two patients". Gastrointestinal Endoscopy. 56 (4): 582–4. doi:10.1067/mge.2002.128109. PMID   12297784.
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