Gastric Lavage Technique
Gastric Lavage Technique - Related Videos
04:18
Enhanced Spatial Mapping of Mouse Gastric Muscle Layers Using a Modified Swiss Roll Technique
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2025
This protocol outlines a whole-stomach immunostaining method modified from the "Swiss roll" technique originally developed for the murine intestine.
04:59
Peritoneal Low-density Neutrophil Isolation: A Technique to Obtain Low-density Neutrophils from Peritoneal Lavage Fluid Using Magnetic Activated Cell Sorting
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2023
In this video, we describe the procedure for isolating low-density neutrophils, or LDNs, from the peritoneal lavage fluid of a postoperative human patient. The LDNs thus obtained can be used in further downstream experiments to understand their role in tumor growth and progression.
11:47
Bronchoalveolar Lavage (BAL) for Research; Obtaining Adequate Sample Yield
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Cited by 47 •
2014
We describe a research technique for fiberoptic bronchoscopy and bronchoalveolar lavage using low pressure suction. The technique is used to harvest immune cells from the lung bronchoalveolar surfaces. Local anesthetic and mild conscious sedation (midazolam) is used. Subjects tolerate the procedure well and experience minimal side effects.
07:03
Bronchoalveolar Lavage of Murine Lungs to Analyze Inflammatory Cell Infiltration
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Cited by 155 •
2017
The health status of the lung is reflected by the type and number of immune cells that are present in the bronchioles of the lung. We describe a bronchoalveolar lavage technique that allows the isolation and study of nonadherent cells and soluble factors from the lower respiratory tract of mice.
07:37
Roux-en-Y Gastric Bypass Operation in Rats
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Cited by 45 •
2012
Numerous studies using gastric bypass rat models have been recently conducted to uncover the underlying physiological mechanisms of Roux-en-Y gastric bypass operations. This article aims to demonstrate and discuss the technical and experimental details of our published gastric bypass rat model to understand advantages and limitations of this experimental tool.
FAQs
The value of early treatment comes from the relationship between gastric contents and drug absorption. Removing material from the stomach can reduce the amount remaining available for absorption, but benefit depends on how soon care begins after exposure. Pharmacology therefore links the procedure’s possible usefulness to timing, the ingested substance, and the severity of the expected poisoning.
Airway protection is essential because fluid or stomach contents can enter the respiratory tract during the procedure. This aspiration risk is a major reason clinicians do not treat lavage as a routine response to overdose. Securing the airway before inserting the tube helps address a central procedural hazard while the team evaluates whether potential benefit justifies further risk.
Gastric lavage illustrates a risk-benefit decision rather than a standard step for every ingestion. Clinicians reserve it for carefully selected cases involving potentially life-threatening poisoning, particularly when treatment can start soon after exposure. The decision must weigh possible removal of gastric material against aspiration, esophageal injury, fluid disturbances, and other complications.
The procedure begins with airway protection, followed by placement of a large-bore orogastric tube. Clinicians then instill small volumes of fluid and aspirate them repeatedly to evacuate stomach contents. This sequence combines safety preparation with mechanical removal, and the repeated cycles allow continued removal of material from the stomach while the team monitors the procedure’s potential hazards.
A large-bore orogastric tube is the key access device identified for this technique. Its placement provides a route for both fluid instillation and aspiration, while small-volume cycles support repeated evacuation of stomach contents. The equipment and operating pattern matter because the method depends on physically accessing the stomach and removing material without overlooking procedural complications.
In pharmacology, the technique connects emergency treatment with drug absorption and toxicokinetics, as well as with the timing of exposure and intervention. It provides a framework for considering early gastrointestinal removal in selected poisonings, while its limited and time-sensitive benefit reinforces why clinicians must individualize treatment according to the ingestion’s potential severity and procedural risks.