Experience Using a New Gastric Tube Tip Localization System (Tumguide)

Toru Oshikiri; Yui Akiho; Mio Hanyu; Hajime Hara; Yuichiro Sato; Makoto Oohashi

doi:10.2344/23-0052

journal article Jun 01, 2025

Experience Using a New Gastric Tube Tip Localization System (Tumguide)

Toru Oshikiri Yui Akiho Mio Hanyu Hajime Hara Yuichiro Sato Makoto Oohashi

Anesthesia Progress Vol. 72 No. 2 pp. 100-103 · American Dental Society of Anesthesiology (ADSA)

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Abstract

This case report describes use of a new gastric tube tip localization system, the Tumguide (Otsuka Pharmaceutical Factory), in a 50-year-old male patient undergoing general anesthesia for treatment of a mandibular fracture. After induction of general anesthesia and intubation, a gastric tube was inserted using the Tumguide system. After the gastric tube was advanced approximately 50 cm, light from the Tumguide was confirmed emanating below the left rib. The gastric tube was ultimately advanced another 20 cm and fixed in place. A postoperative chest radiograph confirmed the gastric tube was positioned inside the stomach; however, it was withdrawn approximately 10 cm and resecured. Although there are various methods, like radiography, for confirming appropriate positioning of a gastric tube, the insertion process is blind. The Tumguide uses light with high biopermeability for illumination, which enables the gastric tube tip to be indirectly viewed as it is moved into position. Although this system has not gained wide usage, we feel this is a useful device that merits further exploration.

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References

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Bankier AA, Wiesmayr MN, Henk C, et al. Radiographic detection of intrabronchial malpositions of nasogastric tubes and subsequent complications in intensive care unit patients. Intensive Care Med. 1997;23:406–410.

[10]

Kurt B, Els S, Ivo D. Reliability of pH measurement and the auscultatory method to confirm the position of a nasogastric tube. Int J Nurs Stud. 2014;51:1427–1433. 24731474

[11]

Taylor S, Manara AR. X-ray checks of NG tube position: a case for guided tube placement. Br J Radiol. 2021; 94:20210432.

[12]

Peijin EMF, Siok BT, Gillan IF, et al. Adequacy of different measurement methods in determining nasogastric tube insertion lengths: an observational study. Int J Nurs Stud. 2019;92:73–78.

[13]

Ronenn R, William JR. Pneumothorax due to nasogastric feeding tubes report of four cases, review of the literature, and recommendations for prevention. Arch Intern Med. 1989;149:184–188.

[14]

Jackson RH, Payne DK, Bacon BR. Esophageal perforation due to nasogastric intubation. Am J Gastroenterol. 1990;85:439–442.

[15]

Yoshihisa N, Kenjiro I, Hiroaki S, et al. Perforation of abdominal esophagus following nasogastric feeding tube intubation: a case report. Int J Surg Case Rep. 2018;45:67–71.

[16]

Hirofumi H, Hanayo M, Teppei K, Yoshie T, Eiji M. Biologically transparent illumination is a safe, fast, and simple technique for detecting the correct position of the nasogastric tube in surgical patients under general anesthesia. PLoS One. 2021;16:e0250258.

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Details

Published: Jun 01, 2025
Vol/Issue: 72(2)
Pages: 100-103

Authors

T

Toru Oshikiri

Department of Dental Anesthesiology, The Nippon Dental University, School of Life Dentistry at Niigata, Japan

Y

Yui Akiho

Anesthesiology and Resuscitation, The Nippon Dental University Graduate School of Life Dentistry at Niigata, Japan

M

Mio Hanyu

Department of Dental Anesthesiology, The Nippon Dental University, School of Life Dentistry at Niigata, Japan

H

Hajime Hara

Department of Pharmacology, The Nippon Dental University, School of Life Dentistry at Niigata, Japan

Y

Yuichiro Sato

Department of Otorhinolaryngology, The Nippon Dental University, School of Life Dentistry at Niigata, Japan

M

Makoto Oohashi

Department of Dental Anesthesiology, The Nippon Dental University, School of Life Dentistry at Niigata, Japan

Cite This Article

Toru Oshikiri, Yui Akiho, Mio Hanyu, et al. (2025). Experience Using a New Gastric Tube Tip Localization System (Tumguide). Anesthesia Progress, 72(2), 100-103. https://doi.org/10.2344/23-0052

Experience Using a New Gastric Tube Tip Localization System (Tumguide)

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