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Comparison between mushroom-type and balloon-type gastrostomy buttons
1Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
Summary
This study compared Bard and Mic-key gastrostomy buttons, finding Bard buttons lasted longer but had more valve issues. Mic-key buttons failed more often due to balloon rupture.
Area of Science:
- Pediatric surgery
- Gastroenterology
- Medical device engineering
Background:
- Gastrostomy buttons are crucial for enteral feeding in children.
- Advancements have led to different designs, including mushroom-tip (Bard) and balloon-stabilized (Mic-key) buttons.
Purpose of the Study:
- To compare the longevity and failure modes of Bard and Mic-key gastrostomy buttons.
- To evaluate the performance characteristics of two common gastrostomy button types.
Main Methods:
- Retrospective analysis of gastrostomy button insertions at a single institution (Royal Children's Hospital, Brisbane) from 1988 to 1995.
- Comparison of average button longevity and reasons for removal between Bard and Mic-key devices.
Main Results:
- Bard buttons demonstrated a longer average longevity (378.82 days) compared to Mic-key buttons (259.62 days).
- Valve incompetence was the primary reason for Bard button removal (38%), while balloon rupture was the main cause for Mic-key button removal (44%).
Conclusions:
- Both Bard and Mic-key gastrostomy buttons have distinct advantages and disadvantages.
- The choice of gastrostomy button may depend on patient-specific factors and the desired balance between longevity and failure mode profile.