About Bochdalek Hernia

Overview
Bochdalek hernia is a congenital (present at birth) hernia that occurs when there is a defect in the diaphragm, the muscle that separates the chest cavity from the abdominal cavity. This defect allows organs, such as the stomach, intestines, or liver, to protrude through the diaphragm and into the chest cavity. Bochdalek hernia is typically diagnosed in newborns and can cause life-threatening respiratory and cardiovascular problems. However, it is very rare in adults. Surgical repair is recommended for adult cases of Bochdalek hernia, although the optimal surgical method is still uncertain. Left-sided hernias are more common in both newborns and adults, while right-sided hernias are extremely rare in adults due to early closure of the right pleuroperitoneal canal and the protective effect of the liver.
Causes and Risk Factors

Bochdalek hernia is a congenital diaphragmatic defect that occurs due to the failure of formation of the back side of the diaphragm while the baby is growing before birth. The exact cause of this defect is not fully understood, but there are several factors that can contribute to the development of Bochdalek hernia including:

  • Increased intra-abdominal pressure: In some cases, an increase in intra-abdominal pressure can exacerbate the diaphragmatic defect and lead to herniation. This can occur during pregnancy or as a result of prolonged operations under pneumoperitoneum, a procedure where air or gas is placed into the abdominal cavity to create space for surgical instruments.
  • Iatrogenic weakness: Surgical procedures that weaken the diaphragm, such as hepatectomy (surgery that removes part or all of the liver), esophagogastrectomy (surgery to remove the esophagus and part of the stomach), or transthoracic hiatal hernia repairs (surgery to correct a part of the stomach that pushed through to the chest), may also contribute to the development of Bochdalek hernia.

Bochdalek hernia is primarily a congenital condition, a condition that is present at birth, and cannot be prevented. Avoiding situations that increase intra-abdominal pressure, such as heavy lifting or straining during bowel movements, may potentially reduce the risk of developing Bochdalek hernia. However, it's important to note that these measures have not been specifically proven to prevent this condition.

It's essential to consult with a healthcare provider for a comprehensive evaluation and personalized advice regarding Bochdalek hernia. They can provide guidance on managing any underlying risk factors and recommend appropriate treatment options if necessary.

Symptoms

Common symptoms of Bochdalek hernia include:

  • Chest pain
  • Dyspnea (shortness of breath)
  • Gastrointestinal bleeding
  • Abdominal pain
  • Abdominal distension
  • Vomiting
  • Impaired respiration
  • Obstruction of the prolapsed gastrointestinal tract
  • Strangulation of the herniated intestine (which can be fatal if necrosis or perforation occurs)

It's important to note that some cases of Bochdalek hernia can remain asymptomatic until adulthood. It may be discovered through radiographic examination, such as a chest X-ray.

Diagnosis

The diagnosis of Bochdalek hernia can be challenging, but there are several examinations, tests, and procedures commonly performed to aid in the diagnosis. These include:

  • Physical examination: A thorough physical examination can help identify symptoms such as dyspnea (shortness of breath) and abdominal pain.
  • Chest X-ray: This imaging test can reveal the presence of a hernia by showing abnormal structures, such as the presence of abdominal organs in the chest cavity.
  • CT scan: A computed tomography (CT) scan provides detailed images of the chest and abdomen, allowing for a more accurate diagnosis of Bochdalek hernia.
  • Blood tests: Blood tests may be performed to evaluate overall health and rule out other potential causes of symptoms.

To determine severity of Bochdalek hernia, additional examinations, tests, and procedures may be necessary. Some potential options could include:

  • Pulmonary function tests: These tests assess lung function and can help determine if the hernia is affecting respiratory function.
  • Echocardiogram: An echocardiogram uses ultrasound waves to create images of the heart, which can help evaluate cardiac function in relation to the hernia.
  • Endoscopy: This procedure involves inserting a flexible tube with a camera into the digestive tract to examine the esophagus, stomach, and upper small intestine for any abnormalities caused by the hernia.

It is essential to consult with a healthcare provider who can provide personalized advice based on your individual situation. They will be able to recommend appropriate examinations, tests, and procedures to diagnose and determine the stage or severity of Bochdalek hernia.

Treatment Options

The goals of treatment for Bochdalek hernia are to reduce (return) the herniated content into the abdominal cavity and close the diaphragmatic defect by doing the following. This is accomplished with surgical repair. There are two surgical approaches:

  • Laparotomy (abdominal approach): The abdominal approach allows for easier recognition and management of potential complications.
  • Thoracoscopy (minimally invasive approach): This approach offers direct visualization of herniated contents.

There are no specific medications or self-care/health behavior changes recommended to treat Bochdalek hernia. However, maintaining a healthy lifestyle and following post-operative care instructions can contribute to overall well-being.

Treatment options may vary depending on individual circumstances. It's best to consult with a healthcare provider for personalized advice and guidance.

What are the symptoms of Bochdalek Hernia?

How is Bochdalek Hernia diagnosed?

What are the treatment options for Bochdalek Hernia?