👉 ¿Tengo reflujo? Descubre si puedes tener esófago de Barrett

What is Barrett's esophagus and why are we talking about it?

Imagine your esophagus (the tube connecting your mouth to your stomach) has a special lining, like wallpaper in a room. Normally, that "wallpaper" is designed to protect you from food passing through, but it's not prepared to withstand stomach acid.

When you have reflux for a long time, acid constantly rises and damages that lining. Your body, being very clever, tries to defend itself by changing the type of "wallpaper" to one more resistant to acid. That change is what we call Barrett's esophagus.

Is having Barrett's bad?

Here's the important part: Barrett's esophagus is not cancer. It's an adaptive response by your body. However, in some people (very few), this change can be the first step toward more serious problems in the future. That's why we're interested in detecting and monitoring it.

But be aware: most people with Barrett's will never develop esophageal cancer. It's like having a risk factor, not a death sentence.

The key question: Does everyone with reflux need a gastroscopy?

The short answer is: NO

According to the latest guidelines from the American Gastroenterological Association (AGA) 2025 and the American Society for Gastrointestinal Endoscopy (ASGE), we don't recommend screening gastroscopies for everyone with reflux.

Performing endoscopies on everyone with reflux would be like X-raying the lungs of everyone who coughs: unnecessary, expensive, and wouldn't improve population health. Instead, doctors use a smarter approach: risk factor stratification.

What does "risk factor stratification" mean?

It's like classifying people into groups based on their actual probability of having Barrett's. If you have reflux but you're young, female, don't smoke, don't have obesity, and there are no family cases, your risk is very low and you probably don't need a gastroscopy. But if you meet several risk factors, then it makes sense to do one.

Risk factors: When does the probability of having Barrett's increase?

According to the most recent scientific evidence, these are the factors that increase your probability of developing Barrett's esophagus:

Male gender

Men have 2-3 times higher probability of developing Barrett's than women. We don't know exactly why, but it may be related to hormones and body fat distribution.

Impact: Significant risk factor established in all international guidelines.

Age over 50 years

Risk increases with age, especially after 50 years. This is probably due to cumulative exposure to acid over a longer time.

Impact: Key criterion in AGA and ESGE screening recommendations.

Obesity (especially central)

Obesity, especially fat accumulated in the abdomen, increases stomach pressure and promotes reflux. Additionally, visceral fat produces inflammatory substances that may contribute to Barrett's development.

Impact: Modifiable factor. Losing weight significantly reduces risk.

Smoking

Smoking weakens the esophageal sphincter (the valve separating the esophagus from the stomach), increases acid production, and reduces the esophagus's healing capacity.

Impact: Modifiable factor. Quitting smoking progressively reduces risk.

Family history

If you have first-degree relatives (parents, siblings) with Barrett's or esophageal adenocarcinoma, your risk increases considerably. Genetic factors may be involved.

Impact: Clear indication for endoscopic surveillance according to guidelines.

White race

For reasons we don't yet fully understand, white people have a higher incidence of Barrett's than other populations. Genetic and environmental factors may play a role.

Impact: Risk factor established in epidemiological studies.

Chronic reflux (GERD)

Having reflux symptoms for more than 5-10 years is the main risk factor. The longer and more intense the reflux, the greater the risk of developing Barrett's.

Impact: It's the necessary context. Without chronic reflux, Barrett's risk is minimal.

Hiatal hernia

Hiatal hernia (when part of the stomach moves up into the chest) promotes reflux and increases esophageal exposure to acid. It's very common in patients with Barrett's.

Impact: Anatomical factor contributing to persistent reflux.

How many risk factors are needed?

According to the AGA 2025 and ASGE guidelines:

• Gastroscopy recommended: Chronic reflux + at least 1-2 additional risk factors
• Gastroscopy NOT necessary: Isolated reflux without other risk factors
• High risk (gastroscopy highly recommended): Reflux + 3 or more risk factors

The decision should be individualized in each case, also considering your life expectancy and other conditions you may have.

Protective factors: What reduces your risk of Barrett's

Now for the good news. There are factors that can protect you against developing Barrett's esophagus. Some are things you can actively do, others are characteristics you already have:

Helicobacter pylori infection

Although it may seem strange, having Helicobacter pylori (the bacteria that causes ulcers) reduces the risk of Barrett's. Why? Because this bacteria reduces acid production in the stomach, and with less acid, there's less damage to the esophagus.

What does this mean in practice?

It does NOT mean you should keep the bacteria if you have it. If you have symptoms or an indication for treatment, you should eradicate it. But it does explain why some people with reflux don't develop Barrett's: because they have H. pylori that "buffers" the acid.

Diet rich in fruits and vegetables

A diet high in fruits, vegetables, and antioxidant-rich foods is associated with lower risk of Barrett's. Antioxidants and vitamins help protect esophageal cells from acid damage.

Practical recommendation:

• Eat at least 5 servings of fruits and vegetables daily
• Prioritize leafy greens, tomatoes, carrots, citrus fruits
• Reduce processed, fried, and very fatty foods

Regular use of aspirin or NSAIDs

Regular use of aspirin or non-steroidal anti-inflammatory drugs (NSAIDs like ibuprofen) has been associated with lower risk of Barrett's and its progression to cancer. These medications have anti-inflammatory effects that may protect the esophageal mucosa.

⚠️ Important warning:

We do NOT recommend taking aspirin or NSAIDs only to prevent Barrett's. These medications have side effects (ulcers, digestive bleeding) that can be serious. Only use them if you have another medical indication (cardiovascular protection, arthritis, etc.).

Maintaining healthy weight

Although obesity is a risk factor, the good news is that losing weight reduces risk. Even modest weight losses (5-10% of body weight) can significantly improve reflux symptoms and reduce Barrett's risk.

Key modifiable factor: If you have obesity and reflux, losing weight should be your number one priority. It's one of the most effective interventions you can do for yourself.

Bottom line: Risk vs. Protection

Your actual risk of Barrett's depends on the balance between risk factors and protective factors. For example, a 55-year-old man with chronic reflux and obesity has high risk, but if he doesn't smoke, eats healthily, and loses weight, he can significantly reduce that risk.

So, when DO I need a gastroscopy?

Based on the latest AGA 2025 and ASGE guidelines, these are the clear indications for performing a screening gastroscopy:

Criteria for Barrett's Screening Gastroscopy

Chronic reflux (>5 years) + At least 1 major risk factor

Major factors: Male >50 years, central obesity, active smoking, family history of Barrett's or esophageal adenocarcinoma.

Chronic reflux + 3 or more risk factors

Even if factors are "minor," accumulation of multiple factors significantly increases risk.

Family history of Barrett's or esophageal adenocarcinoma

Even if you only have mild reflux, if you have affected first-degree relatives, gastroscopy is indicated.

Alarm symptoms

Dysphagia (difficulty swallowing), unexplained weight loss, anemia, persistent vomiting. These symptoms require urgent gastroscopy regardless of risk factors.

My recommendation as a specialist

As an advanced endoscopy specialist, my advice is that you shouldn't self-diagnose or self-prescribe tests. Each case is unique and should be evaluated individually. In a 20-30 minute consultation we can:

• Evaluate your actual symptoms and their duration
• Review your risk and protective factors
• Decide together if you need a gastroscopy or not
• Design a personalized prevention plan

Where to get a gastroscopy?

If I ultimately determine you need a gastroscopy, I offer private endoscopy services in Madrid at several reference centers, with state-of-the-art equipment and comfortable sedation to make the test as pleasant as possible.

Quality endoscopy is essential for correctly detecting Barrett's. I use advanced high-definition techniques and chromoendoscopy that allow identification of very small lesions that could go unnoticed with conventional equipment.

And if I have Barrett's, what treatment options exist?

Relax: if Barrett's esophagus is detected, there are excellent endoscopic treatments that can eliminate problematic areas without major surgery. As an advanced endoscopy specialist, I master these cutting-edge techniques:

Radiofrequency Ablation

Technique using controlled energy to eliminate abnormal Barrett's cells. It's the most used treatment for Barrett's without dysplasia or with low-grade dysplasia.

Effectiveness: Over 90% complete eradication of Barrett's in selected patients.

EMR (Mucosal Resection)

Technique allowing removal of localized areas of Barrett's with visible dysplasia. Performed by endoscopy, without external incisions.

Advantage: Allows complete histological analysis of the lesion to confirm precise diagnosis.

ESD (Submucosal Dissection)

Most advanced technique for extensive lesions or early cancer. Allows en bloc resections even of very large areas.

Specialization: Requires advanced training. Trained in Japan in this technique.

Experience in advanced endoscopic treatments

I trained in advanced therapeutic endoscopy techniques at the National Cancer Center in Tokyo in 2013, where I learned the most innovative techniques for treating Barrett's and esophageal lesions. Since then, I've performed hundreds of procedures with excellent results.

You can learn more about these treatments on my page about Barrett's esophagus treatment, where I explain each therapeutic option in detail.

What can I do to prevent Barrett's?

The best strategy is to act on modifiable factors. Here's a concrete action plan:

1. Weight control

If you're overweight or obese, losing 5-10% of your body weight can make a big difference.

Realistic goal: If you weigh 200 lbs, losing 10-20 lbs already significantly reduces reflux and risk.

2. Quit smoking

Smoking not only increases Barrett's risk but also worsens reflux and increases cancer progression risk.

Immediate benefit: When you quit smoking, the esophageal sphincter progressively regains strength.

3. Dietary modifications

Increase fruits, vegetables, and fiber. Reduce very fatty, fried, spicy foods, chocolate, mint, coffee, and alcohol.

Practical tip: Eat light dinners at least 3 hours before bedtime.

4. Reflux treatment

If you have chronic reflux, it's essential to control it adequately with proton pump inhibitors (PPIs) or other treatments your doctor prescribes.

Goal: Control symptoms and reduce esophageal acid exposure.

5. Postural measures

Elevate the head of your bed 6-8 inches (not just with pillows). This reduces nighttime reflux.

Practical tip: Place wooden blocks or risers under the bed's headboard legs.

Conclusion: Your reflux under control

Remember these key points

Having reflux does NOT mean you'll get Barrett's. Most people with reflux never develop it.

You DON'T need a gastroscopy if you only have reflux without other risk factors. Endoscopy is recommended only in selected cases.

There are many things you can do to protect yourself: lose weight, quit smoking, eat healthily, and control reflux adequately.

If you have Barrett's, there are very effective endoscopic treatments that can eliminate it without major surgery.

The decision to perform a gastroscopy should be individualized according to your specific risk factors, age, life expectancy, and preferences.

As a specialist in gastroenterology and advanced endoscopy, I've helped hundreds of patients with reflux and Barrett's understand their situation and receive the most appropriate treatment. My goal is for you to be informed, calm, and well cared for.

If after reading this you have questions about your particular case, or want to know if you need a gastroscopy, I'd be happy to evaluate you in consultation and design the best plan together.

If I Have Reflux, Can I Have Barrett’s Esophagus? – 2026 Guide | Dr. Pedro de María Pallarés

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