Research Article
Balloon-Assisted Enteroscopy for Retrieval of Small Intestinal Foreign Bodies: A KASID Multicenter Study
Table 2
Association between clinical characteristics and successful retrieval of all foreign bodies and capsule endoscopes using balloon-assisted enteroscopy.
| | Variables | Overall FB | Capsule endoscopes | Retrieval success
() | Retrieval failure
() | | Retrieval success
() | Retrieval failure
() | |
| | Age (yr), median (range) | 62 (32-92) | 55 (19-86) | 0.389 | 44 (33-70) | 42 (24-86) | 0.717 | | Sex ( (%)) | | | 0.714 | | | 0.596 | | Male | 11 (64.7%) | 12 (70.6%) | | 6 (85.7%) | 7 (63.6%) | | | Female | 6 (35.3%) | 5 (29.4%) | | 1 (14.3%) | 4 (36.4%) | | | Previous abdominal operation history ( (%)) | 7 (41.2%) | 9 (52.9%) | 0.492 | 0 | 4 (36.4%) | 0.119 | | Previous small bowel operation ( (%)) | 3 (17.6%) | 7 (41.2%) | 0.259 | 0 | 3 (27.3%) | 0.245 | | FB (capsule or not) ( (%)) | | | 0.169 | | | NA | | Capsule | 7 (41.2%) | 11 (64.7%) | | | | | | Not capsule | 10 (58.8%) | 6 (35.3%) | | | | | | Category of FB ( (%)) | | | 0.695 | | | NA | | Capsule endoscope | 7 (41.2%) | 11 (64.7%) | | | | | | Duodenal stent | 3 (17.6%) | 2 (11.8%) | | | | | | Biliary drainage catheter | 3 (17.6%) | 1 (5.9%) | | | | | | Gallstones | 2 (11.8%) | 1 (5.9%) | | | | | | Other | 2 (11.8%)† | 2 (11.8%)‡ | | | | | | FB shape ( (%)) | | | 0.748 | | | NA | | Blunt | 10 (58.8%) | 12 (70.6%) | | | | | | Long | 6 (35.3%) | 4 (23.5%) | | | | | | Sharp-pointed | 1 (5.9%) | 1 (5.9%) | | | | | | Length of FB (mm), median (range) | 26 (10-120) | 26 (20-220) | 0.614 | | | NA | | Diameter of FB (mm), median (range) | 11 (1-50) | 11 (1-20) | 0.808 | | | NA | | Duration of retention (days), median (range) | 8 (1-23) | 15 (0-364) | 0.230 | 8 (1-22) | 14 (1-61) | 0.126 | | FB location ( (%)) | | | 0.094 | | | 0.203 | | Jejunum | 11 (64.7%) | 5 (29.4%) | | 3 (42.9%) | 1 (9.1%) | | | Ileum | 6 (35.3%) | 11 (64.7%) | | 4 (57.1%) | 9 (81.8%) | | | Indefinite | 0 | 1 (5.9%) | | 0 | 1 (9.1%) | | | Symptom presence ( (%)) | 14 (82.4%) | 6 (35.3%) | 0.013 | 5 (71.4%) | 1 (9.1%) | 0.013 | | Obstructive sign ( (%)) | 8 (47.1%) | 2 (11.8%) | 0.057 | 5 (71.4%) | 9 (81.8%) | 1.000 | | Enteroscopy type ( (%)) | | | 0.688 | | | 1.000 | | Double-balloon | 12 (70.6%) | 14 (82.4%) | | 5 (71.4%) | 9 (81.8%) | | | Single-balloon | 5 (29.4%) | 3 (17.6%) | | 2 (28.6%) | 2 (18.2%) | | | Enteroscopy route ( (%)) | | | 0.210 | | | 0.230 | | Anterograde | 13 (76.5%) | 8 (47.1%) | | 5 (71.4%) | 4 (36.4%) | | | Retrograde | 3 (17.6%) | 7 (41.2%) | | 1 (14.3%) | 6 (54.5%) | | | Bidirectional | 1 (5.9%) | 2 (11.8%) | | 1 (14.3%) | 1 (9.1%) | | | Balloon dilation ( (%)) | 2 (11.8%) | 4 (23.5%) | 0.656 | 2 (28.6%) | 3 (27.3%) | 1.000 |
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FB: foreign body; CE: capsule endoscope; BAE: balloon-assisted enteroscopy; NA: not applicable. †Other, needle and intragastric bariatric balloon. ‡Other, embolization coil and razor blade.
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