Diaphragmatic Rupture
A tear in the breathing muscle that divides the chest and abdomen
Quick Facts
- Type: Chest and abdominal injury
- Common cause: High-energy trauma, crashes
- Main symptoms: Shortness of breath, chest and belly pain
- Treatment: Surgical repair
Overview
The diaphragm is the large, dome-shaped muscle that separates the chest from the abdomen and does most of the work of breathing. A diaphragmatic rupture is a tear in this muscle. When it tears, organs from the abdomen, such as the stomach or intestines, can push up into the chest, crowding the lungs and making it hard to breathe.
Diaphragmatic rupture almost always results from major trauma, such as a car crash or a penetrating wound. It is a serious injury that usually requires surgery. Sometimes it is recognized right away, but in other cases a small tear is found later when abdominal organs gradually move into the chest.
Symptoms
Symptoms depend on the size of the tear and which organs move into the chest. They may include:
- Shortness of breath or difficulty breathing
- Chest pain or upper abdominal pain
- Pain that spreads to the shoulder
- Rapid heartbeat
- Bowel sounds heard in the chest
- Nausea and vomiting
Because this injury comes from major trauma, there are often other serious injuries as well. Sudden severe difficulty breathing, chest pain, or signs of shock after trauma are emergencies that need immediate care.
Causes
A diaphragmatic rupture happens when strong force or a sharp object tears the muscle. Common causes include:
- Blunt trauma: A sudden rise in abdominal pressure during a high-speed crash or a fall can burst the diaphragm.
- Penetrating trauma: Stab or gunshot wounds to the lower chest or upper abdomen.
- Crush injuries: Severe compression of the trunk.
The left side of the diaphragm tears more often than the right, partly because the liver helps protect the right side. These ruptures frequently occur with injuries to other chest and abdominal organs.
Risk Factors
- High-energy motor vehicle crashes
- Falls from a height
- Penetrating wounds to the lower chest or upper abdomen
- Crush injuries to the trunk
- Multiple severe injuries from major trauma
Diagnosis
A diaphragmatic rupture can be tricky to spot, so doctors use several tests:
- Chest X-ray: May show abdominal organs or a stomach tube curling up into the chest.
- CT scan: The main test, showing the tear and any organs that have moved into the chest.
- Other imaging: Sometimes additional studies are used to clarify the injury.
- Surgical exploration: In severe trauma, the injury may be found and repaired during an operation for other injuries.
Because some tears are small at first, a rupture is occasionally diagnosed weeks or longer after the original injury.
Treatment
A torn diaphragm does not heal on its own and almost always needs surgical repair.
- Surgery: The displaced organs are returned to the abdomen and the diaphragm is stitched closed, sometimes reinforced with a patch.
- Treating other injuries: Chest and abdominal injuries are managed at the same time.
- Breathing support: Oxygen or a breathing machine may be needed if the lungs are compressed.
- Supportive care: Fluids, blood if needed, and pain control.
With surgical repair, many people recover well, though recovery time depends on the severity of the injury and any associated trauma.
Prevention
- Always wear a seatbelt while driving
- Use protective equipment at work and in sports
- Follow safety rules around weapons and machinery
- Seek prompt care after major chest or abdominal trauma
When to See a Doctor
A diaphragmatic rupture is a medical emergency. Call emergency services or go to an emergency department immediately after major trauma if you have:
- Difficulty breathing or shortness of breath
- Severe chest or upper abdominal pain
- Rapid heartbeat, dizziness, or fainting
- Vomiting with chest or belly pain after an injury
Even if symptoms seem mild at first, any significant chest or abdominal trauma should be evaluated, because a small tear can enlarge and cause problems days to years later.
Frequently Asked Questions
What is a diaphragmatic rupture?
It is a tear in the diaphragm, the muscle that separates the chest from the abdomen and powers breathing. When it tears, abdominal organs can push into the chest and crowd the lungs, making breathing difficult.
What causes the diaphragm to rupture?
It is almost always caused by major trauma, such as a high-speed car crash, a fall, a crush injury, or a penetrating wound to the lower chest or upper abdomen. The left side tears more often than the right.
How is a diaphragmatic rupture treated?
A torn diaphragm does not heal on its own and needs surgery. The displaced organs are returned to the abdomen and the muscle is stitched closed, sometimes with a reinforcing patch, while other injuries are also treated.
Can a diaphragmatic rupture be missed?
Yes. A small tear may cause few symptoms at first and be found weeks, months, or even years later when abdominal organs gradually move into the chest. This is why significant chest or abdominal trauma should always be evaluated.
When is this injury an emergency?
Difficulty breathing, severe chest or upper abdominal pain, a racing heartbeat, or fainting after major trauma are emergencies. Call emergency services right away, as this injury often comes with other serious injuries.
References
- American College of Surgeons. Thoracic and Diaphragmatic Trauma.
- Mayo Clinic. Chest and abdominal trauma.
- MedlinePlus, U.S. National Library of Medicine. Diaphragm injury.
- National Heart, Lung, and Blood Institute (NHLBI). Chest injuries and breathing.