Assessment of a New Method to Verify Feeding Tube Placement by Syringe Aspiration in a Porcine Model

Background: Malpositioned feeding tubes carry the risk of serious complications. However, common bedside methods of differentiating tracheal from gastric feeding tube placement are neither accurate nor practical. Therefore, we conducted an animal study to verify feeding tube placement by syringe asp...

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Main Authors: Hung-Jung Lin, Ning-Ping Foo, How-Ran Guo, Chih-Chan Lin, Chun-Chang Lin, Kuo-Tai Chen
Format: Article
Language:English
Published: Taiwan Society of Geriatric Emergency and Critical Medicine (TSGECM) 2012-09-01
Series:International Journal of Gerontology
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1873959812000415
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author Hung-Jung Lin
Ning-Ping Foo
How-Ran Guo
Chih-Chan Lin
Chun-Chang Lin
Kuo-Tai Chen
author_facet Hung-Jung Lin
Ning-Ping Foo
How-Ran Guo
Chih-Chan Lin
Chun-Chang Lin
Kuo-Tai Chen
author_sort Hung-Jung Lin
collection DOAJ
description Background: Malpositioned feeding tubes carry the risk of serious complications. However, common bedside methods of differentiating tracheal from gastric feeding tube placement are neither accurate nor practical. Therefore, we conducted an animal study to verify feeding tube placement by syringe aspiration test. Methods: A total of 26 pigs were anesthetized and intubated with tracheal tubes in the trachea and the esophagus. The animals were divided into two groups. The animals in the mechanical ventilation group were paralysed and received mechanical ventilation. The animals in the spontaneous breathing group maintained spontaneous breathing. The feeding tubes were then inserted through the tracheal tubes, into the trachea and esophagus, so that the anterior openings of the feeding tubes were located in the trachea and esophagus. A feeding syringe was then attached and 30 ml of air was aspirated into the syringe. The ability to aspirate air without resistance was defined as a positive syringe aspiration test. If there was resistance as air was aspirated, it was defined as a negative syringe aspiration test. In the next step, 20 esophageal ventilations were given to create a distended stomach in the experimental animals, and the syringe aspiration test was repeated in the same manner described above. Results: The syringe aspiration test was positive for feeding tubes placed in the trachea and was negative for feeding tubes located in the esophagus in both the mechanical ventilation group and the spontaneous breathing group. Conclusion: The syringe aspiration test is an effective method of differentiating tracheal from esophageal feeding tube placement.
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spelling doaj.art-f8555bafbb3e46b2b58d1c7731bc31cc2022-12-22T02:55:26ZengTaiwan Society of Geriatric Emergency and Critical Medicine (TSGECM)International Journal of Gerontology1873-95982012-09-016322022310.1016/j.ijge.2012.01.023Assessment of a New Method to Verify Feeding Tube Placement by Syringe Aspiration in a Porcine ModelHung-Jung Lin0Ning-Ping Foo1How-Ran Guo2Chih-Chan Lin3Chun-Chang Lin4Kuo-Tai Chen5Emergency Department, Chi-Mei Medical Center, Taipei, TaiwanDepartment of Emergency Medicine, Chi-Mei Medical Center, Liouying, Taipei, TaiwanDepartment of Environmental and Occupational Health and Department of Environmental and Occupational Medicine, Medical College, National Cheng Kung University, Taipei, TaiwanDepartment of Medical Research, Chi-Mei Medical Center, Taipei, TaiwanDepartment of Nursing, Chi-Mei Medical Center, Taipei, TaiwanEmergency Department, Chi-Mei Medical Center, Taipei, TaiwanBackground: Malpositioned feeding tubes carry the risk of serious complications. However, common bedside methods of differentiating tracheal from gastric feeding tube placement are neither accurate nor practical. Therefore, we conducted an animal study to verify feeding tube placement by syringe aspiration test. Methods: A total of 26 pigs were anesthetized and intubated with tracheal tubes in the trachea and the esophagus. The animals were divided into two groups. The animals in the mechanical ventilation group were paralysed and received mechanical ventilation. The animals in the spontaneous breathing group maintained spontaneous breathing. The feeding tubes were then inserted through the tracheal tubes, into the trachea and esophagus, so that the anterior openings of the feeding tubes were located in the trachea and esophagus. A feeding syringe was then attached and 30 ml of air was aspirated into the syringe. The ability to aspirate air without resistance was defined as a positive syringe aspiration test. If there was resistance as air was aspirated, it was defined as a negative syringe aspiration test. In the next step, 20 esophageal ventilations were given to create a distended stomach in the experimental animals, and the syringe aspiration test was repeated in the same manner described above. Results: The syringe aspiration test was positive for feeding tubes placed in the trachea and was negative for feeding tubes located in the esophagus in both the mechanical ventilation group and the spontaneous breathing group. Conclusion: The syringe aspiration test is an effective method of differentiating tracheal from esophageal feeding tube placement.http://www.sciencedirect.com/science/article/pii/S1873959812000415complicationsfeeding tubeplacement verificationsyringe aspirationtube insertion
spellingShingle Hung-Jung Lin
Ning-Ping Foo
How-Ran Guo
Chih-Chan Lin
Chun-Chang Lin
Kuo-Tai Chen
Assessment of a New Method to Verify Feeding Tube Placement by Syringe Aspiration in a Porcine Model
International Journal of Gerontology
complications
feeding tube
placement verification
syringe aspiration
tube insertion
title Assessment of a New Method to Verify Feeding Tube Placement by Syringe Aspiration in a Porcine Model
title_full Assessment of a New Method to Verify Feeding Tube Placement by Syringe Aspiration in a Porcine Model
title_fullStr Assessment of a New Method to Verify Feeding Tube Placement by Syringe Aspiration in a Porcine Model
title_full_unstemmed Assessment of a New Method to Verify Feeding Tube Placement by Syringe Aspiration in a Porcine Model
title_short Assessment of a New Method to Verify Feeding Tube Placement by Syringe Aspiration in a Porcine Model
title_sort assessment of a new method to verify feeding tube placement by syringe aspiration in a porcine model
topic complications
feeding tube
placement verification
syringe aspiration
tube insertion
url http://www.sciencedirect.com/science/article/pii/S1873959812000415
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