Hiatal Hernia – types, causes, symptoms, tests & treatment

Introduction to Hiatal Hernia: A hiatal hernia occurs when a portion of the stomach protrudes upward into the chest through an opening in the diaphragm called the hiatus. This condition can cause discomfort and may lead to complications if left untreated. Understanding the causes, symptoms, and treatment options for hiatal hernia is crucial for managing the condition effectively and improving quality of life.

Causes of Hiatal Hernia:

  1. Weakness in the Diaphragm: The hiatus, a natural opening in the diaphragm, may weaken over time due to factors such as aging, injury, or pressure on the abdominal muscles.
  2. Increased Intra-abdominal Pressure: Conditions that increase pressure in the abdomen, such as obesity, pregnancy, heavy lifting, or persistent coughing, can contribute to the development of hiatal hernia.
  3. Congenital Factors: Some individuals may have a genetic predisposition to hiatal hernia, leading to structural abnormalities in the diaphragm.

Types of Hiatal Hernia:

  1. Sliding Hiatal Hernia: The most common type, where the gastroesophageal junction and a portion of the stomach slide upward into the chest when pressure increases in the abdomen. This type may be associated with gastroesophageal reflux disease (GERD).
  2. Paraesophageal Hiatal Hernia: Less common but potentially more serious, this type occurs when a portion of the stomach pushes through the diaphragm next to the esophagus, remaining in the chest cavity.

Symptoms of Hiatal Hernia:

  1. Heartburn: A burning sensation in the chest, often worsened by lying down or bending over, which may indicate gastroesophageal reflux.
  2. Difficulty Swallowing: Known as dysphagia, this symptom may occur due to the protrusion of the stomach into the esophagus, causing obstruction.
  3. Regurgitation: Sour-tasting fluid or food may flow back into the mouth due to the reflux of stomach contents.
  4. Chest Pain: Discomfort or pain in the chest area, sometimes mistaken for heart-related issues.
  5. Feeling of Fullness: Sensation of abdominal fullness or pressure, particularly after eating large meals.
  6. Belching or Hiccups: Excessive belching or hiccups may occur due to irritation of the diaphragm or reflux of stomach gases.

Diagnosis of Hiatal Hernia:

  1. Medical History and Physical Examination: Evaluation of symptoms, risk factors, and medical history by a healthcare provider.
  2. Imaging Studies: Diagnostic tests such as barium swallow, upper endoscopy (esophagogastroduodenoscopy), or esophageal manometry may be performed to visualize the esophagus and stomach and assess the function of the lower esophageal sphincter.
  3. pH Monitoring: Measurement of acid levels in the esophagus over a period to assess for gastroesophageal reflux.

Treatment Options for Hiatal Hernia:

  1. Lifestyle Modifications: Dietary changes, weight loss, and avoiding triggers such as alcohol, caffeine, and spicy foods may help alleviate symptoms.
  2. Medications: Over-the-counter or prescription medications such as antacids, proton pump inhibitors (PPIs), or H2 receptor antagonists may be prescribed to reduce acid reflux and relieve symptoms.
  3. Surgery: In cases where lifestyle changes and medications are ineffective or complications arise, surgical intervention such as laparoscopic Nissen fundoplication or hiatal hernia repair may be recommended to reposition the stomach and repair the hiatus.