Hiatal hernia: causes, complaints, treatment

A hiatal hernia (HH, hiatal hernia, gastric hernia) is an enlargement of the esophageal opening of the diaphragm through which the esophagus normally penetrates into the abdominal cavity, and with a hernia, an abdominal organ, most often the stomach, penetrates into the chest. Sometimes intestinal loops and, extremely rarely, the spleen penetrate into the chest with hiatal hernia. This disease is quite common, it is found on average in 40% of the world's population. Fortunately, for the majority it does not cause any problems, but in 5 - 7% of all gastroenterological patients, complaints are caused by this particular disease (Figure 1).

Causes of hiatal hernia

Most often, it is not possible to find out the cause of the development of this disease in a particular patient. In general, hiatal hernia is a multifactorial disease and it can be difficult to identify one single cause unless there is a clear connection with trauma.

The following reasons for the development of a hiatal hernia are identified:

• Increased intra-abdominal pressure, for example due to overeating at night, or chronic constipation. Another reason for increased intra-abdominal pressure, and hence the development of hiatal hernia, is heavy physical labor.
• Congenital degenerative changes in the ligamentous apparatus and connective tissue.
• Age and associated connective tissue degeneration. Therefore, in these patients it is not uncommon to have a combination with an inguinal or ventral hernia.
• Blunt abdominal trauma.
• The presence of chronic diseases that disrupt the normal motility of the gastrointestinal tract (peptic ulcer, reflux esophagitis, cholelithiasis, diseases of the large intestine).
• Excess weight. In overweight people, intra-abdominal pressure increases, which leads to “squeezing” the stomach into the chest

Causes of the disease

The culprit behind the formation of a hernia is a decrease in the strength of the ligamentous apparatus that holds the cardiac section, which is responsible for preventing the contents of the stomach from being thrown back into the esophagus.

This can happen for a number of reasons:

• hereditary predisposition;
• weakened motor skills;
• excess body weight;
• flatulence;
• prolonged stay in an uncomfortable position;
• regular constipation;
• elderly age;
• increased physical activity;
• persistent cough;
• abdominal dropsy;
• severe vomiting;
• pregnancy;
• weakness of the muscle tissue connection;
• internal damage;
• burns of the esophagus;
• malignant tumors inside the abdominal cavity.

Classification of hiatal hernia

In our country, unfortunately, there are many classifications of this disease, but the most common classification proposed by B.V. Petrovsky and N.N. Kanshin. Following it, the following variants of the hiatal hernia are distinguished:

Axial:

• fixed
• unfixed

Without shortening of the esophagus

• cardiac
• cardiofundic
• subtotal
• total

With shortening of the esophagus

1st degree of cardia is fixed 4 cm above the diaphragm

Grade 2 cardia is fixed more than 4 cm in the chest

Paraesophageal

1. fundamental
2. antral
3. intestinal

Now let's figure out what is what. So, a hiatal hernia is called axial if the esophagogastric junction is located above the diaphragm. It is called cardiac if only the cardia (upper part of the stomach) is located above the diaphragm, cardiofundal hernia is called if both the cardia and the fundus of the stomach go into the mediastinum, subtotal hernia is called if 2⁄3 of the stomach goes into the mediastinum (above the esophageal opening of the diaphragm), and, accordingly, total This is when the entire stomach is located in the chest.

A paraesophageal hernia is a situation when the esophageal-gastric junction (cardia of the stomach or simply cardia) is located in the abdominal cavity, and any part of the stomach or other organ penetrates through the esophageal opening of the diaphragm into the mediastinum (Figure 2).

Let us recall the anatomy of the “path” from the esophagus to the stomach

After swallowing, the bolus of food is sent to the stomach through a muscular “tube” (esophagus). In an adult, it has an average length of 25 cm. Its task is to deliver crushed food processed by saliva to begin digestion. The organ has longitudinal muscles that push the contents towards the stomach, and powerful circular muscles that prevent return.

The esophagus in the upper part is surrounded by large vessels and the bronchial tree

The structure has 7 anatomical segments. We will be interested only in the 3 lower sections of the esophagus:

• Supradiaphragmatic - located 3–4 cm above the diaphragm. Here, diverticula, varicose veins are more often detected, ulcers and inflammation, and hernias form.
• Intradiaphragmatic (epicardial) - no more than 2 cm, passes through the thickness of the diaphragmatic muscle, through a special opening called the “esophageal”. In addition to the above pathology, it plays an important role in functional disorders, participates in the mechanism for regulating the opening of the cardia, has a powerful fibromuscular ring, ensures closure of the lumen and complete tightness between the esophagus and stomach at rest. Surrounded by fatty tissue, mobile.
• Abdominal or subdiaphragmatic - 3–4 cm in size, also called the “vestibule” of the cardiac part of the stomach, functionally united with the diaphragmatic, forms an angle (His) at the age of one year with a greater curvature at the confluence with the stomach. Inside the corner there is a fold that acts as a valve. It closes with pressure inside the stomach and prevents the reverse movement of food (regurgitation, belching).

The diaphragm is formed by a dense muscle layer. It separates the thoracic cavity from the abdominal cavity. It has through diaphragmatic openings for the passage of the esophagus, abdominal artery, sympathetic nerve and inferior vena cava. It entwines them with tendons to ensure pressure fluctuations and creates the necessary conditions for the functioning of the respiratory organs, heart and large vessels, and digestion.

In the mechanism of formation of an esophageal hernia, it is important to take into account such a natural weak point as the canal through which the esophagus passes inside the diaphragm.

Complaints with esophageal hernia

The most common complaint with hiatal hernia is heartburn.

. You can read more about heartburn here. Heartburn most often occurs at night or after eating while lying down; it often occurs after physical activity, especially in an inclined position. Sometimes heartburn is accompanied by chest pain. Most often, relief from this condition comes from taking antacids, such as reni, or drugs that reduce the production of hydrochloric acid in the stomach, such as omeprazole.

The next common symptom of this disease is pain

. It is of a burning nature, localized behind the sternum, and radiates to the right shoulder. The pain intensifies most often after eating or lying down. Sometimes it is accompanied by heart rhythm disturbances. Most often, the pain goes away after belching, or if the patient gets up and walks around. Sometimes pain in people with a hiatal hernia is confused with pain in the heart, especially since with hiatal hernia pain is often accompanied by arrhythmia. Pain is most often relieved by antispasmodics, no-spa, etc.

Another complaint among patients is belching

. Belching occurs with both food debris and air. Sometimes it is uncontrollable and occurs without reference to food intake. Often, this lack of control and unpredictability of the occurrence of the latter is the main reason for surgical treatment of patients with hiatal hernia.

Regurgitation

- throwing food into the oral cavity while lying down or bending over. This complaint is relatively uncommon and occurs more often with large hernias.

Dysphagia

- difficulty passing food through the esophagus, develops at the stage of complications of the hiatal hernia. Dysphagia is caused either by an inflammatory process in the walls of the esophagus, or by a cicatricial stricture (narrowing) of the esophagus. Dysphagia requires hospital treatment

Extraesophageal manifestations of hiatal hernia are also distinguished. The most common of this group of complaints is cough.

. Often a cough accompanies the patient for years. It occurs more often in a lying position or when bending over, after eating. The cough is accompanied by a constant sore throat.

The second most common extraesophageal complaint is arrhythmia

. Most often, arrhythmia occurs with a large hiatal hernia, when most of the stomach is in the chest. In this case, the arrhythmia is associated with eating or bending, or occurs in a lying position. Typically, when examining such patients, cardiologists do not find heart pathology. Another manifestation of hiatal hernia is chronic diseases of the ENT organs, pharyngitis and laryngitis. The connection between laryngitis or pharyngitis and the hiatal hernia can be confirmed or refuted using daily pH measurements of the esophagus.

In addition, the consequence of a hiatal hernia can be dental damage, hoarseness, bronchitis, and bronchial asthma.

Worrying symptoms

A hiatus hernia is not asymptomatic

With minor pathological changes, there are practically no clinical manifestations of the disease. In many patients, the presence of a hernia is detected during diagnostic tests of the abdominal or thoracic cavity.

In cases where various signs that bother a person arise, we are talking about the progression of the disease and this can lead to dangerous consequences. Among the negative symptoms are the following:

Course of hiatal hernia

HH is a very common disease. As I already wrote, up to 40% of the world's population have this disease, but most of them do not even suspect it. Problems begin when the sphincter between the esophagus and stomach stops working and the contents of the latter enter the esophagus. Or if the hernia of the PAD reaches a large size and causes complications associated with neighboring organs (arrhythmias, pneumonia, etc.). In most cases, with proper treatment, the course of the disease is favorable, and conservative therapy is sufficient. Therapy is aimed at reducing the reflux of gastric contents into the esophagus, relieving inflammation, and normalizing gastrointestinal motility. If conservative therapy is not effective, surgical intervention must be resorted to.

What are the signs of infringement?

Incarceration of a diaphragmatic hernia occurs due to a sudden spasm of the dilated esophageal ring. Sometimes it is the first symptom of the disease. More often it occurs in patients who are aware of their pathology, in violation of doctor’s recommendations, refusal or contraindications to surgery to remove a hernia.

Against the background of normal symptoms, sharp pain suddenly appears in the upper part of the epigastrium and in the chest. Irradiates to the collarbone, left scapula. At very high intensity it is accompanied by a state of shock. Prolonged vomiting, intensifying at a height of pain, continues for almost a day.

The abdomen is distended, intestinal motility is preserved, causing pain. If such signs appear, then surgical treatment of a hiatal hernia is necessary for life-threatening reasons. The patient should immediately call an ambulance.

Complications of hiatal hernia

Erosion and ulcers of the esophagus occur in 7 - 9% of cases in patients with hiatal hernia. This complication is associated with the aggressive action of gastric juice, which enters the esophageal mucosa. Usually the presence of ulcers and erosions is accompanied by the most severe complaints of patients. The danger of an ulcer is that if not treated correctly, a scar may form at the site of the ulcer, which in turn can lead to obstruction of the esophagus. In the presence of multiple erosions, chronic anemia may develop. The presence of an ulcer in the esophagus is an indication for surgery.

Bleeding and anemia with hiatal hernia occur in 11 - 20% of cases. Bleeding most often occurs due to vomiting, for example after poisoning. Such bleeding can be quite massive and require emergency hospitalization. Bleeding can be manifested by vomiting blood, or so-called coffee grounds, dark coffee-colored contents. Sometimes bleeding may appear as black, tarry stool. In case of repeated episodes of bleeding, surgical treatment is indicated.

Anemia occurs in two cases. The first is chronic minor blood loss against the background of the presence of multiple erosions of the esophageal mucosa. This bleeding occurs periodically and goes unnoticed, and can continue for months. The second reason is a violation of iron absorption against the background of inflammatory changes in the stomach. This anemia is called iron deficiency and develops when most of the stomach is in the chest. Anemia manifests itself as severe weakness.

Cicatricial stricture of the esophagus. With a long-term inflammatory process in the wall of the esophagus against the background of the hiatal hernia, scars are formed that narrow the lumen of the esophagus. A stricture appears, a disruption in the passage of food through the esophagus. This complication is manifested not by the ability to eat, first with solid food, but as the process progresses, with liquid

Incarcerated hiatal hernia. A very rare complication, but extremely dangerous, which in the absence of qualified medical care leads to death. This complication is manifested by the sudden appearance of severe bursting pain in the chest, a feeling of fullness. Patients constantly try to induce belching, which is either impossible or does not bring relief. This complication requires emergency surgery.

To summarize, I would like to repeat that with proper treatment, complications of the hiatal hernia develop quite rarely.

Combined pathologies and complications

Often, a hiatal hernia is combined with diseases of the biliary tract, peptic ulcer, intestinal diverticulosis, and is an anatomical substrate of gastroesophageal reflux disease.

Complications of hiatal hernia may include:

• inflammation of the lower esophagus (esophagitis),
• erosions and ulcers in this part of the esophagus,
• rarely bleeding,
• strangulated hernia.

Diagnosis of hiatal hernia

The main role in diagnosis is played by X-ray examination with barium and gastroscopy.

X-rays are performed on an empty stomach using a barium contrast solution. The doctor monitors the passage of contrast through the esophagus and stomach on the X-ray machine screen. Thanks to X-ray examination, it is possible to identify the size of the hernia, the presence or absence of reflux of gastric contents into the esophagus, the presence or absence of disturbances in the passage of contrast through the esophagus and stomach.

Gastroscopy allows you to assess the condition of the esophageal mucosa, the presence or absence of inflammation, erosions, ulcers, and the presence of narrowing. In the vast majority of cases, these two studies are sufficient to make the correct diagnosis. In some cases, a CT scan is performed to evaluate the presence or absence of a hiatal hernia and its size. If there are non-esophageal manifestations or an unclear clinical picture, daily pH measurements are performed. A thin probe is installed into the lumen of the esophagus for 24 hours, which records the reflux of gastric contents into the esophagus, making it possible to identify the connection between complaints and reflux of gastric contents.

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Treatment of hiatal hernia

In the vast majority of cases, conservative therapy is carried out, which in fact is symptomatic and is aimed at improving the well-being of patients and preventing the development of complications. The main cause of complaints from patients is the reflux of aggressive gastric contents into the esophagus. Therefore, proton pump inhibitors (esomeprazole, Nexium, etc.) are prescribed. This is a group of drugs that reduce the acidity of gastric juice, thereby minimizing the damaging effect on the esophageal mucosa. Enveloping drugs in the form of suspensions are also used, such as Gaviscon, Maolox, Almagel. These drugs effectively reduce the acidity of gastric juice and, by enveloping the walls of the esophagus, protect them from reflux. And the third group of drugs are prokinetics (Motilium, Ganaton). These are medications that improve and normalize the motility of the esophagus and stomach, thereby reducing the frequency of reflux.

This therapy leads to improved well-being and quality of life. Unfortunately, up to 80% of patients experience a relapse of complaints immediately after stopping taking the drugs and therefore have to take them constantly. Complete removal of a hiatal hernia is only possible through surgery. You can read about surgical treatment of hiatal hernia here

Author: Ph.D. Siyukhov R.Sh.

Clinical symptoms

Half of the cases are characterized by the absence of symptoms or mild clinical manifestations. This applies to small-sized hiatal hernias. The larger the hernial protrusion, the more pronounced the symptoms are observed.

The disease is characterized by pain, but its localization may vary. In addition to the epigastric region (the “solar plexus” area), pain sensations can be concentrated behind the sternum with irradiation to the back and between the shoulder blades (simulating a heart attack) or mask the disease as pancreatitis (have a shingles nature).

What signs of pain indicate the presence of a hiatal hernia?

• The appearance of pain after eating, lifting heavy objects, with bloating and taking a horizontal position of the body, when bending the body forward.
• Improvement after vomiting, belching, drinking water or taking an upright body position.

Symptoms accompanying severe pain when a hernia is strangulated:

• nausea;
• increased respiratory rate;
• vomiting streaked with blood;
• increased heart rate;
• cyanosis of the skin and mucous membranes;
• lowering blood pressure.

Sometimes the hiatal hernia causes cardiac arrhythmias. This must be taken into account during long-term and unsuccessful treatment with a cardiologist.

Gastroesophageal reflux disease (GERD) is considered a frequent companion of hiatal hernia, which provokes the appearance of a new symptom complex resulting from digestive disorders:

• vomiting air, eaten food or bile.
• Regurgitation not preceded by nausea. The symptom occurs when the body is positioned horizontally at night, following a heavy dinner, and can lead to the development of complications in the form of diseases of the bronchopulmonary system.

Other clinical manifestations characteristic of hiatus hernia:

• Dysphagia is a specific symptom characterized by impaired movement of food through the esophagus after swallowing. This complaint is provoked by drinking hot or cold water, swallowing a poorly chewed food bolus or large amounts of liquid, as well as stress factors.
• Severe heartburn.
• Persistent hiccups.
• Burning sensation in tongue.
• Hoarse voice.

Endoscopic examination in St. Petersburg: advantages of the ICLINIC clinic

Any symptom associated with digestive disorders often indicates the presence of a hiatal hernia. Therefore, to examine the digestive system in St. Petersburg, it is advisable to choose only a clinic with highly qualified doctors and the latest equipment. Diagnosis of esophageal hernia at the ICLINIC clinic is carried out only by doctors who have extensive clinical experience using endoscopic devices made in Japan. Each ICLINIC doctor has the necessary certificates and is certified in the specialty of endoscopy.

Diagnostic EGD performed at ICLINIC is performed under local anesthesia. If the patient wishes, professional anesthesia is used. The conclusion is issued immediately after the procedure and contains a description of all pathological conditions seen by the doctor. After endoscopy, it is easy to get to a gastroenterologist who will prescribe adequate treatment for the diagnosed diseases. If cancer is detected, confirmed histologically, the patient will be referred for timely surgery, which will save the person’s life.

The presence of discomfort, and even more so epigastric pain, requires immediate diagnosis and treatment. Don't delay your endoscopic procedure - contact ICLINIC today. Only timely fibrogastroduodenoscopy performed by doctors at our clinic can prolong the life of a sick person.