Gastrostomy-to-gastrojejunostomy tube conversion: impact of the method of original gastrostomy tube placement.

Kim CY, Patel MB, Miller MJ, Suhocki PV, Balius A, Smith TP
J Vasc Interv Radiol. 2010 21 (7): 1031-7

PMID: 20538477 · DOI:10.1016/j.jvir.2010.04.003

PURPOSE - To determine the outcome of gastrostomy tube-to-gastrojejunostomy tube conversion on the basis of the method of original gastrostomy tube placement.

MATERIALS AND METHODS - One hundred twenty-four patients (age range, 13-87 years; 72 male and 52 female patients) underwent conversion of a primarily placed gastrostomy tube to a gastrojejunostomy tube at the authors' institution between January 2000 and December 2008. The method of original gastrostomy tube placement was radiologic (n = 27), endoscopic (n = 75), laparoscopic (n = 2), or open surgery (n = 20). The method of placement was correlated with the success rates of gastrostomy-to-gastrojejunostomy tube conversion. Medical records and radiologic images were reviewed to determine the frequency of proximal migration of the jejunostomy tube into the stomach. Follow-up data were available for an average of 136 days after gastrostomy-to-gastrojejunostomy tube conversion (median, 63 days; range, 1-1,300 days).

RESULTS - Of 124 gastrostomy tube-to-gastrojejunostomy tube conversions, 109 (87.9%) were successfully performed. Procedural conversion failure occurred in one of the 27 radiologically inserted gastrostomy tubes (3.7%) compared to 14 of the 97 (14%) nonradiologically inserted gastrostomy tubes (P = .19), of which 12 were inserted endoscopically and two were inserted surgically. Of the 109 patients with successful tube conversion, jejunal tip malposition occurred at follow-up in 18 (16.5%). Of these, four patients developed aspiration pneumonia (22%), which contributed to patient death in two. The frequency of jejunal tip malposition was 3.8% (one of 26 patients) for radiologically placed gastrostomy tubes and 20% (17 of 83 patients) for nonradiologically placed gastrostomy tubes (P = .07). Combined, 32% of gastrostomy tubes placed nonradiologically resulted in either procedural failure or eventual jejunal tip malposition, compared to 7.4% of radiologically placed gastrostomy tubes (P = .01).

CONCLUSIONS - The frequency of procedural failure or eventual jejunal tip malposition with conversion of radiologically placed gastrostomy tubes to gastrojejunostomy tubes is significantly lower with radiologically placed gastrostomy tubes than with nonradiologically inserted gastrostomy tubes.

Copyright 2010 SIR. Published by Elsevier Inc. All rights reserved.

MeSH Terms (15)

Adolescent Adult Aged Aged, 80 and over Combined Modality Therapy Female Gastric Bypass Gastrostomy Humans Male Middle Aged Prosthesis Implantation Radiography, Interventional Treatment Outcome Young Adult

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