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. 2021 Sep;44(9):1423-1429.
doi: 10.1007/s00270-021-02865-7. Epub 2021 Jul 6.

Efficiency and Safety of Balloon-Assisted Gastrostomy

Gilbert Maroun  1 , Robyn Pugash  1 , Harley Meirovich  1 , Elizabeth David  2
Affiliations

Efficiency and Safety of Balloon-Assisted Gastrostomy

Gilbert Maroun et al. Cardiovasc Intervent Radiol. 2021 Sep.

Abstract

Purpose: To examine the safety and efficiency of balloon-assisted gastrostomy for insertion of large bore feeding tubes compared to conventional techniques using dilators.

Materials and methods: Retrospective review of all fluoroscopically guided percutaneous gastrostomy tube insertions between July 2017 and September 2019 was performed. Collected data points included patient demographics, initial pathology, type of gastrostomy tube (G tube) inserted [(Avanos standard balloon retained (Mic-G), or low-profile balloon retained (Mic-Key)], type of insertion technique (balloon-assisted or -nested dilator technique), fluoroscopy time, amount of sedation required, technical success, and complications. The focus of the study was method of tract dilatation - either balloon-assisted gastrostomy (BAG group) versus nested or sequential dilators (dilator group). Two hundred patients were included in this study; 100 patients were evaluated in each group.

Results: There were no significant differences between the two groups. The overall rate of minor complications (grades 1 and 2, according to the CIRSE classification system) was higher in the dilator group (11%, compared to 7% in the BAG group) but did not reach statistical significance. Males were associated with lower risk of minor complications (OR 0.19, 95% CI (0.07, 0.53)), while age did not present a significant association. Patients in the BAG group received a significantly lower amount of fentanyl (p < 0.001) and midazolam (p < 0.001) than patients in the dilator group.

Conclusion: Balloon-assisted gastrostomy is a safe and effective technique for large bore gastrostomy placement. Patients required less sedation, allowing for faster recovery and discharge time in outpatients at our institution.

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