Living With Reflux? When Hiatus Hernia Could Be the Real Cause for Heartburn

Understanding reflux, long-term PPI risks, and when surgery offers the best long-term solution

Hiatus hernia (also called hiatal hernia) is a common yet frequently misunderstood condition. Many people live with symptoms for years—often managed with medications such as proton pump inhibitors (PPIs) without realising that the underlying problem is anatomical, not just acid-related.

At Melbourne Gastro Surgery, we often see patients who have “managed” reflux for a long time, only to discover that a hiatus hernia is the root cause of their ongoing symptoms. Understanding what a hiatus hernia is, why it develops, and when surgery should be considered can make a significant difference to long-term health and quality of life.

What Is a Hiatus Hernia?

A hiatus hernia occurs when part of the stomach moves up into the chest through an opening in the diaphragm called the oesophageal hiatus. Normally, the diaphragm and the lower oesophageal sphincter (LES) work together to keep stomach contents from refluxing into the oesophagus. When this anatomy is disrupted, reflux becomes far more likely.

Types of Hiatus Hernia

 

1.Sliding hiatus hernia

• • The most common type
  • The stomach and the gastro-oesophageal junction slide up into the chest
  • Often associated with gastro-oesophageal reflux disease (GORD)

2.Para-oesophageal (rolling) hernia

• Less common but potentially more serious
• The stomach rolls up beside the oesophagus
• Can lead to obstruction, strangulation, or bleeding

While sliding hernias commonly cause reflux symptoms, para-oesophageal hernias may present subtly—or suddenly become a surgical emergency.

What Causes a Hiatus Hernia?

Hiatus hernias usually develop due to a combination of mechanical pressure and tissue weakness. Common contributing factors include:

• Age-related weakening of the diaphragm
• Chronic increased abdominal pressure, such as:
  • Obesity
  • Chronic coughing
  • Constipation and straining
  • Heavy lifting
• Pregnancy, due to increased intra-abdominal pressure
• Previous abdominal or oesophageal surgery
• Congenital factors, where the hiatus is naturally wider

Importantly, lifestyle factors that increase abdominal pressure also increase the risk of symptom progression over time.

Common Symptoms of a Hiatus Hernia

Symptoms vary depending on the type and size of the hernia, but commonly include:

• Persistent heartburn or acid reflux
• Regurgitation of food or sour fluid
• Chest discomfort or pain (often mistaken for cardiac pain)
• Difficulty swallowing (dysphagia)
• Chronic cough, throat clearing, or hoarse voice
• Bloating and early satiety
• Shortness of breath (especially with large para-oesophageal hernias)

Left untreated, chronic reflux can lead to complications such as oesophagitis, strictures, Barrett’s oesophagus, and an increased risk of oesophageal cancer.

Why Medications Alone Are Often Not Enough

The Role of PPIs

Proton pump inhibitors (PPIs) such as omeprazole, esomeprazole, and pantoprazole are commonly prescribed to reduce stomach acid. They can be very effective at controlling symptoms, but they do not fix the anatomical defect of a hiatus hernia.

In many patients, symptoms return as soon as medication is reduced or stopped.

Long-Term Side Effects of Proton Pump Inhibitors

While PPIs are generally safe for short-term use, long-term dependency has been associated with several potential risks, particularly when used for many years.

Documented and emerging concerns include:

• Nutrient deficiencies, including:
  • Vitamin B12
  • Magnesium
  • Calcium
• Increased fracture risk, particularly hip and spine fractures
• Higher risk of chronic kidney disease
• Increased susceptibility to gastrointestinal infections, such as Clostridioides difficile
• Altered gut microbiome, which may affect digestion and immunity

For many patients, the question becomes not whether PPIs work—but whether lifelong medication is the best long-term strategy.

When Should Surgical Repair Be Considered?

Surgery is not required for everyone with a hiatus hernia. However, timely surgical repair should be strongly considered when:

• Symptoms persist despite optimal medical therapy
• Increasing doses of PPIs are required for symptom control
• There are complications such as:
  • Severe oesophagitis
  • Barrett’s oesophagus
  • Recurrent aspiration or chronic cough
• A large para-oesophageal hernia is present
• Quality of life is significantly impaired

Early referral for surgical assessment often allows for planned, minimally invasive surgery, rather than emergency intervention later.

Benefits of Surgical Hiatus Hernia Repair

Modern hiatus hernia repair is typically performed laparoscopically (keyhole surgery) and often combined with an anti-reflux procedure such as a fundoplication.

Fundoplication types explained.

Watch this video to find out more

Key advantages include:

• Correction of the underlying anatomical defect
• Significant reduction or complete resolution of reflux symptoms
• Ability to stop or reduce long-term PPI use
• Protection against future complications
• Improved sleep, energy levels, and overall quality of life

In experienced hands, outcomes are excellent, with high patient satisfaction and durable long-term results.

Tackling Reflux and Weight Issues

If you are dealing with weight issues and also have severe reflux, then it would be worth asking your surgeon if they offer a Gastric Bypass.

A Roux-en-Y gastric bypass (RYGB) is considered the gold standard for treating gastroesophageal reflux disease (GERD) in individuals with obesity because it simultaneously addresses the mechanical causes of reflux and the underlying condition of obesity. Unlike other bariatric procedures like sleeve gastrectomy, which can worsen or induce reflux, RYGB utilises multiple anatomical and physiological mechanisms to provide superior symptom relief. It is best to discuss your suitability with your surgeon.

Why Timing Matters

Delaying surgery can allow the hernia to enlarge, making repair more complex and increasing the risk of complications. Early intervention—when appropriate often results in:

• Shorter operative time
• Lower complication rates
• Faster recovery
• Better long-term symptom control

In surgery, as in many aspects of health, timing is everything.

Final Thoughts 

Hiatus hernia is not just about acid—it is about anatomy. While medications have an important role, they are often a temporary solution to a structural problem. For the right patient, timely surgical repair offers a definitive, long-term solution that can restore comfort, reduce medication dependence, and protect oesophageal health.

If reflux symptoms are persistent or progressively worsening, a surgical opinion can provide clarity, options, and peace of mind.

Persistent reflux is not something you have to live with.

If medications are no longer working—or you’re concerned about long-term PPI use—expert advice can make all the difference.

📞 Contact our Melbourne or Hobart practices today on 03 94667799  to discuss your options with one of our experienced upper GI surgeons.

Trusted Resources for Further Reading

For patients seeking additional reputable information, the following resources are helpful:

• Mayo Clinic – Hiatal Hernia Overview

• Cleveland Clinic – Hiatal Hernia Symptoms & Treatment

• Gastroenterological Society of Australia – Reflux & Upper GI Disorders
  

Key Research References

1. Kahrilas PJ, et al. The role of hiatus hernia in GERD. Gut. 2012.
2. Savarino V, et al. Risks associated with long-term PPI use. Gut. 2018.

Oor JE, et al. Laparoscopic hiatal hernia repair: long-term outcomes. Annals of Surgery. 2016.