Reflux Physiology

Reflux Physiology

Articles tagged with "Reflux Physiology".

How Esophageal Movement Patterns Trigger GERD Episodes

Tags: Esophageal Motility, GERD Mechanism, Sphincter Relaxation, Reflux Physiology

November 7, 2025

What Esophageal Movements Predict When Acid Reflux Will Occur?

Specific esophageal movement patterns during transient lower esophageal sphincter relaxation can predict when acid reflux episodes will occur in GERD patients. Research shows that particular combinations of esophageal shortening, widening, and positioning changes create the perfect conditions for stomach acid to flow backward into the esophagus.

Dr. Kumar’s Take

This research helps us understand why some people with normal sphincter function still develop GERD - it’s not just about the sphincter opening, but how the entire esophagus moves during that opening. These movement patterns explain why certain positions, activities, or timing can trigger reflux episodes even in people without obvious anatomical problems. Understanding these mechanics gives us better insight into why lifestyle modifications like avoiding bending over after meals actually work.

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How Slow Gastric Emptying Worsens GERD: Updated Research

Tags: Gastric Emptying, GERD Mechanism, Delayed Emptying, Reflux Physiology

November 7, 2025

How Does Slow Gastric Emptying Contribute to GERD Symptoms?

Delayed gastric emptying significantly worsens gastroesophageal reflux disease by increasing gastric volume and pressure, promoting reflux episodes, and creating a cycle where reflux further impairs gastric motility. This relationship explains why some GERD patients don’t respond well to acid suppression alone and may benefit from treatments that address gastric emptying dysfunction.

Dr. Kumar’s Take

This research highlights an often-overlooked aspect of GERD - the role of gastric emptying. When the stomach doesn’t empty properly, it creates a perfect storm for reflux: increased volume, higher pressure, and more opportunities for acid to flow backward. What’s particularly important is that this creates a vicious cycle - reflux can damage the vagus nerve and gastric motility, leading to even slower emptying. This explains why some patients need prokinetic agents or dietary modifications beyond just acid suppression.

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