Do your lungs feel like they're filled with water? Let's talk about pleural effusion!

Have you ever felt a slight heaviness in your chest, a strange feeling when you breathe? Or have you ever heard someone say, "The lungs are full of water"? That's what we're going to talk about today. This is medically known as pleural effusion.

Simply put, what is pleural effusion?

Okay, now let's see what this is in simple terms. Your lungs are inside your chest cavity. Around these lungs, and on the inside of your chest cavity, there are two very thin membranes. We call these membranes the pleura . It's like they're covered on both sides.

Normally, there is a very small amount of fluid between these two pleural membranes. Think of it like the oil that lubricates the two parts of a machine. This fluid is what allows your lungs to move, expand, and contract easily when you breathe.

However, in this condition called pleural effusion , the amount of fluid between the two pleural membranes is much higher than normal . This means that either your body is producing too much of this fluid, or the fluid that is produced is not being properly reabsorbed back into the body. That's when we say "the lungs are full of water."

Are there types of pleural effusion?

Yes, doctors divide pleural effusion into two main types, depending on the nature of the fluid that collects around the lungs.

1. Transudative or protein-poor, watery fluid: This type of fluid usually occurs when the pressure of fluids in the body increases. For example, someone with cirrhosis (a liver disease) or heart failure may have this type of fluid. This is when fluid leaks out of the blood vessels.

2. Exudative or protein-rich fluid: The main causes of this type of fluid are cancer (for example, lung cancer, breast cancer) or some kind of infection . In this, too much fluid leaks through the smallest blood vessels or the fluid is not removed properly by the lymphatic system.

Treatment methods are determined based on this type. So it is very important for a doctor to know the nature of this fluid.

How common is this condition?

In fact, pleural effusion is a more common condition than you might think . For example, it is reported that about 1.5 million people in the United States alone develop this condition every year. This condition is also seen in our country.

What are the symptoms of pleural effusion?

You may have other symptoms depending on the underlying condition that caused the pleural effusion. However, there are several symptoms that are specific to pleural effusion.

• Chest pain: This pain may worsen, especially when taking a deep breath or coughing. It may feel like something is stabbing you from the inside.
• Dyspnea: Difficulty breathing, a feeling of suffocation. This may be worse with exertion.
• Orthopnea: This is a somewhat specific symptom. It means that you have difficulty breathing in positions other than sitting or standing upright (for example, lying down). Some people sleep with two or three pillows to prop themselves up because they feel suffocated when lying down.

However, some people may have pleural effusion without any symptoms . They only find out about it when they have a chest X-ray for another reason.

Why is this happening? What are the reasons for this?

There are many causes of pleural effusion. Sometimes more than one cause can be involved. As we discussed earlier, doctors try to determine the cause by determining whether the fluid that collects is transudative ( watery) or exudative (protein-rich). Sometimes, a condition called pulmonary embolism (PE) can be both types.

The main causes of transudative fluid accumulation are:

• Heart Failure: This is the most common cause. When the heart is not working properly, the body's fluid regulation is disrupted.
• Cirrhosis: A serious condition that occurs in the liver.
• Nephrotic Syndrome: This is a kidney problem. This condition can occur when the kidneys excrete too much protein.

The main reasons for the accumulation of exudative fluid are:

• Pneumonia: An infection of the lungs.
• Cancer: Especially lung cancer , breast cancer , or lymphoma .
• Kidney Disease
• Inflammatory Disease: Various inflammatory conditions that occur in the body.
• Post open-heart surgery

There are also less common reasons:

• Tuberculosis
• Autoimmune Disease: This means that the body's own immune system attacks its own cells.
• Bleeding due to chest injuries.
• Chylothorax: This occurs when fluid called 'chyle' from the lymphatic system collects in the chest cavity. It is often caused by an injury.
• Rare chest and abdominal infections.
• Exposure to asbestos.
• Esophageal Rupture
• Pancreatitis
• Meig's Syndrome: Caused by a benign tumor that develops in the ovary.
• Ovarian Hyperstimulation Syndrome
• Some medications
• Abdominal surgeries.
• Radiation Therapy

In some cases, the fluid itself may contain malignant cells , or it may accumulate as a side effect of chemotherapy .

Who is at higher risk of developing this?

There are several risk factors that can contribute to the development of pleural effusion.

• Having medical conditions that cause it: For example, if you have heart disease, liver disease, kidney disease, or cancer, you are at higher risk of developing pleural effusion.
• Use of tobacco products: People who smoke are more likely to have lung problems.
• Exposure to asbestos: This is a common building material. Long-term exposure to it can cause lung damage.

What complications can this cause?

If pleural effusion is not treated properly, some complications can occur.

• An infection can turn into an abscess: The fluid that collects can become infected with germs, causing it to become an abscess.
• Scarring around the lungs: Scar tissue can form where the fluid was, interfering with lung function.
• Damage to your lungs.

How do you find this situation exactly?

When you go to see a doctor, he or she will first ask you about your medical history . What other illnesses do you have and when did these symptoms start? Then they will do a physical exam . They will listen to your lungs as you breathe (with a stethoscope). Only then will they order the necessary tests.

What tests are being done for this?

Doctors use these tests to diagnose and understand the nature of a pleural effusion:

• Chest X-ray: This can help determine if fluid has accumulated and how much.
• Chest CT scan (Computed Tomography - CT scan): Can produce clearer, more detailed images than X-rays. It can also check for the condition of the lungs under the fluid and for other things like tumors.
• Chest ultrasound:This also helps to find the location and amount of fluid, as well as the exact spot where to insert a fine needle to remove the fluid.
• Thoracentesis or Biopsy: This involves inserting a very thin needle into your chest cavity between two of your ribs to take a sample of the fluid that has collected. Sometimes a small piece of the pleural membrane (biopsy) may also be taken.
• Pleural Fluid Analysis: The fluid sample is sent to the lab for testing. This can determine the amount of protein, types of cells, whether there are germs, or cancer cells. This is what can tell you exactly whether the fluid is transudative or exudative.

If these simple tests don't find the cause, you may need to have a procedure called a thoracoscopy . This is also called video-assisted thoracic surgery (VATS) . This is done while you are under general anesthesia. This involves inserting a small camera and instruments into your chest to get a better look at the pleura and surrounding areas. Treatment is often done at the same time as this procedure.

How is this treated?

There are two main goals when treating pleural effusion: One is to remove the excess fluid . The other is to stop the fluid from building up again . Doctors choose treatment based on the underlying cause and how much difficulty you have breathing because of the fluid.

Medicines

• If you have fluid retention due to a condition like congestive heart failure , doctors will prescribe diuretics (also known as "water pills" because they help the body eliminate excess fluid through urine) and other medications for heart failure.
• If it is due to an infection, you will need to take antibiotics .
• If the condition is caused by cancer (malignant effusion), you may receive chemotherapy , radiation therapy , or an infusion of a liquid medicine into the chest cavity.

Treatment methods (Procedures)

• If you have trouble breathing, your doctor may do a therapeutic thoracentesis (this is similar to taking a fluid sample, but as much fluid as possible is removed). Or they may insert a chest tube . This involves inserting a small tube into your chest and allowing fluid to drain into a bottle.
• Sometimes, especially when fluid builds up due to cancer, the fluid can build up again even after it is removed. In such difficult-to-control cases, a doctor may use a chest tube to drain the fluid.A type of medication called a sclerosing agent is injected into the pleural cavity. This medication intentionally causes a scar (fibrosis) between the two pleural membranes. This is also called pleural sclerosis or pleurodesis . When this scar is formed, the two pleural membranes stick together, preventing the fluid from accumulating again. This method is only about 50% effective in stopping the fluid from accumulating again.

Surgery

If drainage or pleural sclerosis are not enough to control your condition, you may need surgery. Your surgeon will examine you carefully and discuss the pros and cons of surgery with you.

There are two main types of surgery:

1. Video-Assisted Thoracoscopic Surgery (VATS): This involves making one to three very small incisions (about half an inch) in the chest and inserting a camera and surgical instruments through them to perform the surgery. This method is used for pleural effusions that are difficult to control or that are recurring due to cancer. During the surgery, something like talc or an antibiotic is placed in the pleural cavity to try to stop the fluid from collecting again.

2. Thoracotomy (traditional, "open" chest surgery): In this procedure, the surgeon makes a 6-8 inch incision in the chest. This is the most common procedure used if you have an infection. A thoracotomy removes all of the fibrous tissue and helps to thoroughly clean out the infection in the pleural cavity. You may need to have a chest tube inserted to drain the fluid for two days to two weeks after surgery.

Are there any possible side effects from the treatment?

Yes, as with any medical treatment, treatments for pleural effusion can cause some side effects.

• Pulmonary Edema: This can occur, especially if a large amount of fluid is removed at once.
• Blood Clots
• Abnormal Heart Rhythms
• Pneumothorax: This is a collapse of the lungs due to air filling the lungs. Sometimes this can happen when the needle that is used to remove fluid is hit.

How long does it take to recover?

This varies depending on the treatment performed.

• If you had a thoracentesis , you will need to be a little careful for about two days.
• If you had VATS surgery, you may need to stay in the hospital for a few days afterward.
• If you had a thoracotomy (open surgery), you will need to stay in the hospital for about a week.

What can we do to reduce this risk?

It's difficult to prevent many of the things that cause pleural effusion. However, you can reduce your risk somewhat by:

• Stay away from tobacco products.
• Avoid exposure to asbestos.
• If your doctor has advised you, adopt a low-salt diet.
• Take your prescribed diuretics (water pills) on time.
• If your doctor tells you to, limit your fluid intake.

What should we expect with this situation?

After you have received treatment, you will need to have X-rays again . The doctor will want to know if the treatment was successful. You will also need to continue to receive treatment for the condition that caused the pleural effusion.

The severity of your condition depends on these factors:

• What is the main cause of pleural effusion?
• Does it affect your breathing?
• It's about whether it responds well to treatment.

What is the outlook for this situation?

The outlook, or prognosis , varies greatly depending on what caused your pleural effusion and what other medical conditions you have. For some people, pleural effusion treatment is successful. However, pleural effusion can come back .

The outlook for pleural effusion caused by cancer is not very good. And if you don't treat pleural effusion properly, it's not good either.

How do you take care of yourself?

Some conditions that cause pleural effusion require long-term treatment . Talk to your doctor about the best long-term treatment for your condition. Then, follow your treatment plan exactly . Take your medications on time and maintain the lifestyle changes your doctor recommends.

When is it best to see a doctor?

Go to all follow-up appointments your doctor has ordered to manage your chronic condition. If you experience difficulty breathing , seek medical attention immediately . Don't delay.

What are the important questions to ask your doctor?

You can ask the doctor questions like:

• Why did I develop this pleural effusion?
• How often do I need to come see you (follow-up appointments)?
• What are the chances of me developing pleural effusion again?
• What are the long-term effects of my pleural effusion?

So, you have a pleural effusion, maybe you didn't have any symptoms. The key is to find the cause.. Once the doctor knows the cause, he or she will take steps to treat it. Answering the doctor's questions correctly can help rule out some of the causes. It's normal to feel scared when you're having trouble breathing, so don't be afraid to ask questions about anything you want to understand.

So, what are the things we need to remember from all of this?

Pleural effusion is the accumulation of fluid between the pleura, the membranes that surround the lungs. Some people also call this "water in the lungs."

• There can be a number of reasons for this. Things like heart disease, pneumonia, and cancer are the main ones.
• Symptoms may include chest pain and difficulty breathing . Some people may not have any symptoms at all.
• A doctor can diagnose this through X-rays, CT scans, or a fluid sample test (thoracentesis) .
• Treatment is aimed at the underlying cause and removing the fluid . Medication, fluid removal techniques, and sometimes even surgery may be required.
• The most important thing is to see a doctor as soon as possible if you have difficulty breathing or feel a lump in your chest. Early detection makes treatment easier and reduces the risk of complications.

If you have any further questions about this, don't hesitate to talk to your doctor. Stay healthy!

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