Buried bumper syndrome

Medical condition

Buried bumper syndrome (BBS) is a condition that affects feeding tubes placed into the stomach 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.

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