ArticleApplied nursing research : ANR2022
Association of enteral feeding with microaspiration in critically ill adults.
Article in Applied nursing research : ANR, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 7 citations in OpenAlex.
- Impact of a Staged Enteral Nutrition Nursing Pathway Based on Dynamic Assessment of Tolerance and Aspiration Risk vs Usual Care on Feeding Intolerance in Older Adult Patients With Acute Ischemic Stroke and Dysphagia: A Single-Center Randomized Controlled Trial.Medical science monitor : international medical journal of experimental and clinical research · 2026Trial
- Continuous versus intermittent cuff pressure monitoring in preventing ventilator-associated pneumonia: a multicentre randomised controlled trial.Antimicrobial resistance and infection control · 2025Trial
- Article
- Use of Machine Learning Models to Predict Microaspiration Measured by Tracheal Pepsin A.American journal of critical care : an official publication, American Association of Critical-Care Nurses · 2025Article
- Nutritional care in patients undergoing laparoscopic/minimally invasive surgeries for gastrointestinal tumours.Wideochirurgia i inne techniki maloinwazyjne = Videosurgery and other miniinvasive techniques · 2023Review
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
Abstract
aimThis study explored relationships between enteral feeding and tracheal pepsin A.
backgroundMechanically ventilated (MV) patients receiving enteral feeding are at risk for microaspiration. Tracheal pepsin A, an enzyme specific to gastric cells, was a proxy for microaspiration of gastric secretions.
methodsSecondary analysis of RCT data from critically ill, MV adults was conducted. Microaspiration prevention included elevated head of bed, endotracheal tube cuff pressure management, and regular oral care. Tracheal secretions for pepsin A were collected every 12 h. Microaspiration was defined as pepsin A ≥ 6.25 ng/mL. Positive pepsin A in >30 % of individual tracheal samples was defined as abundant microaspiration (frequent aspirator). Chi-squared, Fisher's Exact test, and generalized linear model (GLM) were used.
resultsTracheal pepsin A was present in 111/283 (39 %) mechanically ventilated patients and 48 (17 %) had abundant microaspiration. Enteral feeding was associated with tracheal pepsin A, which occurred within 24 h of enteral feeding. Of the patients who aspirated, the majority received some enteral feeding 96/111 (86 %), compared to only 15/111 (14 %) who received no feeding. A greater number of positive pepsin A events occurred with post-pyloric feeding tube location (55.6 %) vs. gastric (48.6 %), although significant only at the event-level. Frequent aspirators (abundant pepsin A) had higher pepsin A levels compared to infrequent aspirators.
conclusionsOur findings confirmed the stomach as the microaspiration source. Contrary to other studies, distal feeding tube location did not mitigate microaspiration. Timing for first positive pepsin A should be studied for possible association with enteral feeding intolerance.
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