Limpias Kamiya KJ, Hosoe N, Takabayashi K, Hayashi Y, Sun X, Miyanaga R, Fukuhara K, Fukuhara S, Naganuma M, Nakayama A, Kato M, Maehata T, Nakamura R, Ueno K, Sasaki J, Kitagawa Y, Yahagi N, Ogata H, Kanai T. Endoscopic removal of foreign bodies: A retrospective study in Japan. World J Gastrointest Endosc 2020; 12(1): 33-41 [PMID: 31942232 DOI: 10.4253/wjge.v12.i1.33]
Corresponding Author of This Article
Naoki Hosoe, FACG, MD, PhD, Associate Professor, Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo 160-8582, Japan. nhosoe@z5.keio.jp
Research Domain of This Article
Gastroenterology & Hepatology
Article-Type of This Article
Observational Study
Open-Access Policy of This Article
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World J Gastrointest Endosc. Jan 16, 2020; 12(1): 33-41 Published online Jan 16, 2020. doi: 10.4253/wjge.v12.i1.33
Table 1 Patient background
Number of patients (%)
Sex (male/female)
106 (49.3)/109 (50.7)
Age group
< 15 yr
2 (0.9)
15-59 yr
77 (35.8)
60-79 yr
109 (50.7)
> 79 yr
27(12.6)
Outpatient/inpatient
180 (83.7)/35 (16.3)
Table 2 Foreign body type and retrieved location
Number of patients (%)
Foreign body type
PTP medications
72 (33.5)
Food bolus
47 (21.9)
Anisakis parasite
41 (19.1)
Dental prosthesis
23 (10.7)
Fish bone
9 (4.2)
Video capsule device
7 (3.3)
Spoon
3 (1.4)
Others
13 (6.0)
Location
Laryngopharynx
5 (2.3)
Esophagus
130 (60.5)
Stomach
68 (31.6)
Small intestine
8 (3.7)
Colon
4 (1.9)
Table 3 Common foreign bodies at each anatomical location
Anatomical location
Most common foreign bodies (number/total number)
%
Laryngopharynx
PTP (2/5)
40.0
Dental prosthesis (2/5)
40.0
Esophagus
PTP (63/130)
48.5
Food bolus (47/130)
36.2
Stomach
Anisakis parasite (39/68)
57.4
Dental prosthesis (9/68)
13.2
PTP (7/68)
10.3
Small intestine
Dental prosthesis (3/8)
37.5
Video capsule device (2/8)
25.0
Colon
Video capsule device (3/4)
75.0
Table 4 Procedure type and time
Number of patients (%)
Procedure type
EGD
207 (96.3)
CS
3 (1.4)
SBE
5 (2.3)
Procedure time (mean ± SD, min)
Laryngopharynx
14.2 ± 2.7
Esophagus
14.5 ± 1.1
Stomach
14.7 ± 1.3
Small intestine
31.1 ± 1.0
Colon
45.2 ± 2.7
Table 5 Foreign bodies and devices most used for extraction
Foreign body type
Device (number/total number)
Percentage (%)
PTP
Large caliber transparent cap and grasping forceps (60/72)
83.3
Food bolus
Grasping forceps (36/47)
76.5
Anisakis parasite
Biopsy forceps (40/41)
97.5
Dental prosthesis
Large caliber transparent cap and grasping forceps (17/23)
73.9
Fish bone
Large caliber transparent cap and grasping forceps (8/9)
88.8
Capsule device
Net retriever (6/7)
85.7
Spoon
Over-tube and polypectomy snare (2/3)
66.6
Citation: Limpias Kamiya KJ, Hosoe N, Takabayashi K, Hayashi Y, Sun X, Miyanaga R, Fukuhara K, Fukuhara S, Naganuma M, Nakayama A, Kato M, Maehata T, Nakamura R, Ueno K, Sasaki J, Kitagawa Y, Yahagi N, Ogata H, Kanai T. Endoscopic removal of foreign bodies: A retrospective study in Japan. World J Gastrointest Endosc 2020; 12(1): 33-41