Asbestosis Symptoms

Like mesothelioma, another serious disease caused by asbestos exposure, asbestosis has a long latency period, meaning that symptoms do not appear for a long period of time, even after exposure has ceased. Once asbestos fibers have been introduced into the body, particularly into the lungs, they are nearly impossible to remove and cause severe health problems over time. In the case of asbestosis, the latency period may be 20 years or more.

The primary symptoms of asbestosis are lung-related. Since accumulations of asbestos fibers in the lungs causes scar tissue to build up, decreased lung function is a key sign. Gradually increasing shortness of breath, dry cough, sporadic chest pain, and tightness in the chest are all pulmonary symptoms of asbestosis. These symptoms will get progressively worse if the disease is left untreated – at first, shortness of breath may only be a problem when the patient is exercising, but eventually it will affect the patient even if he or she is resting.

However, symptoms may not be limited to the lungs – clubbing, a thickening of the tissue under the fingernails that forces the nail to form a convex shape and the tips of the fingers to bulge, may also be an indicator of asbestosis. Clubbing occurs in patients with disorders that prevent oxygen from properly circulating throughout the body, and the lung scarring that is characteristic of asbestosis is such a disorder.

While there is no cure for asbestosis since the damage to the lungs cannot be reversed, there are treatments to alleviate the symptoms. Draining of the fluid around the lungs or wearing an oxygen mask may temporarily relieve shortness of breath. Some patients are helped by the use of inhaled medications usually prescribed for asthma. In severe cases of lung scarring, the patient may need a lung transplantation.

In some cases, patients with asbestosis may also develop malignant mesothelioma, a rare and aggressive cancer of the lining of the chest or abdomen. While the symptoms of both diseases are similar, the life expectancy for mesothelioma patients is much lower, since the cancer progresses very quickly once it develops.

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Asbestosis Diagnosis

The first step in making a diagnosis of asbestosis, a disease caused by scar tissue in the lungs, is the medical and occupational history a doctor takes when first consulting with a patient. Since asbestosis is caused exclusively by inhalation of asbestos fibers, the doctor will want to know whether there is a chance that the patient’s current symptoms may be related to past asbestos exposure. Asbestosis can have a latency period of between 10 and 20 years, so the patient will likely need to give an occupational history that covers several decades.

If the doctor suspects asbestosis, there are several tests that can determine the nature of the lung problem. Pulmonary function testing measures airflow and volume of air in the lungs, and requires the patient to perform various activities that may include forced or rapid breathing or breathing in a gas such as nitrogen or helium. Measurements of amount and rate of breath are made using an instrument called a spirometer, so this process is also called spirometry.

Spirometry can alert the doctor if lung function is compromised, but it cannot always pinpoint the specific problem. Noninvasive imaging tests are often used to give the doctor a better look at the patient’s lungs. Simple chest X-rays are useful for this purpose, as lung scarring will appear as patches of excessive whiteness. Computed tomography (CT) scans also make use of X-rays to create an image of the inside of the body, but provide a more detailed image than a standard X-ray machine and are especially useful in diagnosing asbestosis in its earlier stages. Depending on the available equipment, the doctor may order a high resolution CT (HRCT) scan.

Finally, a bronchoscopy may be necessary to get a better picture of the patient’s airways and collect samples of lung or other tissue for analysis. A bronchoscope is a long, thin tube that is inserted into the patient’s nose or mouth and down the windpipe. Flexible bronchoscopes may be used with patients who are awake, but larger, rigid bronchoscopes require the patient to be under general anesthesia. The doctor may take a tissue sample either by injecting saline through the tube and collecting it again or by passing special brushes or needles through the tube to biopsy small pieces of the lung tissue.

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Asbestosis Causes

Asbestosis is a chronic inflammation of the lungs caused exclusively by inhaling asbestos fibers. Though it is not a type of cancer, it is a serious health condition and can be fatal. Though asbestos was known to be a cause of serious lung problems even earlier, a pathologist named Dr. Cooke first used the term “asbestosis” to describe a 1927 case of a 33-year old man who had worked in a carding room where asbestos fibers were processed. As the name suggests, there were no doubts of the connection between the disease and its origins with asbestos.

Asbestosis most often results from occupational exposure – coming into contact with asbestos in the course of one’s job. Anywhere that asbestos was mined or processed, or asbestos-containing materials were sawed, cut, or otherwise damaged posed a danger of airborne asbestos fibers. According to the CDC, construction workers accounted for nearly one in four patients who died of asbestosis. However, insulation workers and boilermakers had the highest mortality rate of any profession. Once inhaled into the lungs, asbestos fibers are unable to be removed by the immune system and often irritate the surrounding tissue, causing the fibrosis that is characteristic of asbestosis.

While primary exposure is more likely to cause asbestosis, secondary exposure also posed a risk to family members and friends of those who worked with asbestos. Fibers could stick on clothes and hair and be transported home if the asbestos worker did not change clothes or properly wash before leaving work. Since most workers were unaware of the dangers of the material, they did not take these precautions, and asbestosis has been known to develop in those who washed the clothes of asbestos workers.

Smoking alone will not cause asbestosis, but several studies have suggested that a person who smokes and is exposed to asbestos has a greater chance of developing lung problems, including asbestosis and lung cancer, than a nonsmoker who is exposed. Smokers and former smokers with asbestosis may also have a higher mortality rate than nonsmokers with asbestosis.

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Asbestosis

Asbestosis is a breathing disorder that is developed from inhaling asbestos fibers. After several years, the inhalation of these fibers can lead to scarring in the lungs and shortness of breath, among other symptoms. For many years, asbestos fibers were used in flooring materials and insulation. As a result, many people working in the construction industry contracted asbestosis after coming into contact with the asbestos fibers. Beginning in the 1970s, however, the government began to regulate the use of asbestos so fewer people would contract the disease. Today, the use of asbestos is highly regulated by the government to limit exposure to the substance.

Symptoms of Asbestosis

For those exposed to asbestos, the symptoms may not become visible for up to 50 years. However, symptoms do increase gradually over time, and include shortness of breath, lack of desire to exercise, clubbing of fingers, coughing and chest pain. If you experience any of these symptoms for a prolonged period of time, see a doctor immediately. There are several treatment options that help reduce the severity of these symptoms.

Exposure to Asbestos

While asbestos occurs naturally in the environment, very little exposure to asbestos will not cause serious harm to the lungs. Those who are most likely to become sick from the substance are those who have prolonged exposure to asbestos – such as construction workers, miners, or those who spend a lot of time in buildings that still contain asbestos. Although the government regulates the use of asbestos inconstruction, there are still a few buildings that remain from the era when asbestos was commonly utilized in construction. Many of these buildings are older, pre-1970s, and have not had asbestos removed from the site since. Removing asbestos from a building can often be very costly, and sometimes companies or individuals do not have the means to have it removed. However, if you do own a home or business that still contains asbestos, seek the help of a professional before having it removed. This will ensure that the asbestos is removed safely and entirely from the premises.

Risk Factors

The severity of complications that arise from asbestosis typically correlate with the length of time of exposure to asbestos. The longer the exposure period, the harsher the complications. Sometimes, these complications can be disabling or even fatal, whereas others are hardly noticeable. Smoking increases the risk of contracting cancer in individuals who were exposed to asbestos, since the lungs are already damaged. Other complications include high blood pressure in the lungs (pulmonary hypertension) and heart problems related to this. Asbestosis is primarily a disease that attacks the lung tissues, so these are the most at-risk organs in the body after contracting the disease. Symptoms related to asbestosis will generally not increase in severity after being removed from exposure.

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Illnesses With Similar Symptoms

One of the reasons that mesothelioma can be difficult to diagnose is that itssymptoms, particularly early on, can be confused with the symptoms of several other common illnesses. Quite frequently, patients who are eventually diagnosedwith mesothelioma first tend to think they have a cold, the flu, bronchitis, or pneumonia. Doctors will often prescribe antibiotics or other types of treatment that do not work for mesothelioma. This delayed treatment allows the disease to spread.

The Common Cold

Cold symptoms can begin slowly with the onset of a sore throat, then nasal drainage that is clear and watery. This is followed by sneezing, fatigue and a slight fever, normally 100 F or less. Post-nasal drip can cause the coughing and sore throat to worsen.

The cough is a fairly common symptom of a cold. While usually not severe, the cough can last as long as two weeks and will be worse in people who have asthma or other lung-related problems. Colds can sometimes be accompanied by bacterial infections, the signs of which are cough that is worse and coughing up dark mucus. It can even cause some pain in the lower section of the lungs. A cold will normally last only from 4 to 10 days.

Influenza

The flu is often confused with a cold because many of those symptoms are similar. The flu comes on more suddenly than a cold and the symptoms that accompany the flu will usually make you feel worse than a cold. Some of those symptoms are:

• Fever typically over 100 degrees. The fever is usually ongoing, although it can come and go. If the fever is high, the other symptoms are often more severe.
• Sweats and chills
• Headache
• Dry cough, sore throat, and runny nose. These symptoms may be more noticeable after the fever stops.
• Muscle pain and body aches in the back, arms, and/or legs
• Fatigue and an overall feeling of weakness and a loss of appetite
• Nasal congestion

The symptoms of the flu normally don’t include anything stomach or intestinal related.

Bronchitis

Bronchitis symptoms usually start after some type of upper respiratory infection like a cold or the flu, about 3 or 4 days later. The symptoms include:

• Cough. This is the primary symptom of acute bronchitis. It will start out as a dry cough without mucus and eventually will begin to produce mucus.
• Low-grade fever under 101 degrees.
• Feeling fatigued
• Pain, tightness, or burning in the chest that is worse when breathing and coughing
• Wheezing sounds when breathing, particularly during any type of exertion
• Hoarseness

A normal case of acute bronchitis lasts from 2 to 3 weeks, but often they can last a month or more. Chronic bronchitis results from long periods of inflammation that scars the bronchial tubes. The cough that accompanies chronic bronchitis is worse in the morning and when the weather is damp. People with chronic bronchitis are subject to frequent colds and flu.

Pneumonia

Pneumonia that is caused by bacteria normally starts after a cold or influenza. The symptoms are:

• A cough that produces mucus
• Fever, but in older adults this is not as common is it is in children and young adults
• Chills and shaking
• Shortness of breath and shallow breathing
• Pain in the chest wall that is worse when coughing and breathing
• Rapid heartbeat
• Fatigue
• Nausea and vomiting

Non-bacterial pneumonia symptoms include the cough with mucus, shortness of breath, and fever. This type of pneumonia comes on more slowly and is usually not as severe as bacterial pneumonia.

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Early Symptoms of Mesothelioma

Mesothelioma is a rare form of cancer that many people are not even aware they may have. The symptoms are very subtle in the beginning and may go unnoticed. Some people experience no symptoms at all. This can lead to mesothelioma being left undiagnosed or misdiagnosed for several years. It is imperative that a person seek out medical attention at the first signs of mesothelioma. If the mesothelioma is left undiagnosed and untreated, the cancer can spread throughout the body.

Latency Period

This particular type of cancer can lay dormant for up to 50 years after exposure to asbestos. If a person knows they have been exposed to asbestos it is important to relay that information to a doctor. The doctor will most likely schedule regular mesothelioma screenings. Asbestos exposure is directly related to the onset of mesothelioma. Even a brief exposure to asbestos can result in mesothelioma. A doctor will monitor the lungs closely to watch for any signs of the disease. A person has a higher rate of survival if the cancer is caught in its earliest stages. The highest rates of survival are best if caught before symptoms even begin to develop.

Basic Symptoms of Mesothelioma

Early symptoms of mesothelioma are generally shortness of breath and a heavy feeling in the chest area. Ninety percent of all patients will notice these two symptoms. However, because the symptoms do not seem serious many choose not to seek out medical care. The shortness of breath or heaviness is caused by a fluid buildup in the lungs. These two symptoms should be taken seriously, especially if a person has a history of asbestos exposure.

Types of Mesothelioma

The lung or chest area is the most common place for mesothelioma to occur. This type is referred to as pleural mesothelioma. The abdominal cavity is also prone to develop mesothelioma. Any tumor found in that area is referred to as peritoneal mesothelioma. The symptoms associated with the different types of mesothelioma are similar and may overlap each other. Pericardial mesothelioma involves the lining around the heart.

Additional Symptoms of Mesothelioma

Some symptoms common with pleural mesothelioma include back, chest or side pain, difficulty swallowing, cough, fatigue and weight loss. Peritoneal mesothelioma is often accompanied by abdominal pain, nausea and vomiting, back pain, anemia and bowel obstruction. Both types of mesothelioma may leave a person feeling very weak. It is extremely important a person visits their doctor if they notice any of these symptoms. The longer mesothelioma is allowed to go untreated the less favorablethe outcome.

Similar Diseases and Illnesses

Any of the earlier mentioned symptoms can also indicate asbestosis, which is abenign result of asbestos exposure. However, an asbestosis diagnosis does not mean a person will not develop mesothelioma later. It is crucial a person has their symptoms evaluated to determine whether or not they are benign or malignant. Asbestosis will need to be closely monitored as well just in case it becomes malignant and can pose serious health concerns.

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Types of Mesothelioma

Mesothelioma is a rare form of cancer that originates from the mesothelium, a protective lining that sheaths the internal organs of the body. The different types of mesothelioma are terms used to differentiate where in the body the cancer exists.

Pleural Mesothelioma

Pleural mesothelioma typically develops within the chest cavity and lungs. The most common type of malignant mesothelioma, it often spreads to numerous other organs and lymph nodes in the body. The difficulty in diagnosing and detecting pleural mesothelioma makes treatment tougher. Symptoms such as chest pains, weight loss and fever are far too common to be noticed as a precursor for cancer. More severe symptoms such as breathing difficulties and fluid buildup may not appear until after the disease has progressed. The survival rate for sufferers of pleural mesothelioma is tragically low. Only 8% live beyond three-to-five years after the onset of initial symptoms, and the average life expectancy is closer to 12 months.

Pericardial Mesothelioma

The least common form of malignant mesothelioma, pericardial mesothelioma affects the heart. This rare form of cancer is found in the sac that surrounds the heart, also known as the pericardium. The cancer prevents the heart from transporting oxygen to the body efficiently, and as a result the patient's body deteriorates from an elevated heart rate. Heart attack, nausea, chest pain, and shortness of breath are signs of pericardial mesothelioma.

Peritoneal Mesothelioma

Peritoneal mesothelioma develops in the abdominal area and can quickly spread to the liver, bowel, or spleen. Fluid buildup or severe stomach pain can be a sign of peritoneal mesothelioma, in addition to vomiting, bowel trouble, fever, and tumescent feet. Patients generally only survive 10 months from the day of the initial symptoms.

Malignant Versus Benign

The aforementioned types of mesothelioma are malignant forms, and are thusly the most dangerous. Malignant mesothelioma is often the product of asbestosinhalation from

individuals who have worked or resided in areas not up to current health and safety standards. Since the disease has a high latency period, often times it is not diagnosed until it has progressed far beyond any rectifiable measure.

As the name suggests, benign mesothelioma is a form of non-malignant mesothelioma that is easily treatable. While benign tumors can at times be cancerous, unlike malignant mesothelioma, the tumors do not spread, making it easier to isolate and remove.

Mesothelioma in Uncommon Locations

In addition to pleural, pericardial, peritoneal, and benign mesothelioma, the cancer can also strike the ovaries and testes. These tumors are born in the membrane lining the organs. The total number of cases of testicular or ovarian mesothelioma are less than a hundred, and symptoms are rarely identified. As a result, the prognosis for this type of mesothelioma are not promising. The effects of the disease are such that any individual who has had prolonged asbestos exposure orinitial symptoms of mesothelioma should consult a doctor.

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