- Things to Know
- What Is It?
- Symptoms and Signs
- 4 Stages
- Edema and Ascites
- Bleeding and Spleen
- Liver Cancer
- Alcohol & Fatty Liver
- Inherited Disorders
- How to Treat
- Life Expectancy
Things to know about cirrhosis of the liver
Cirrhosis is a complication of liver disease that involves loss of liver cells and irreversible scarring of the liver. Alcohol and viral hepatitis B and C are common causes of cirrhosis, although there are many other causes.
- Cirrhosis can cause weakness, loss of appetite, easy bruising, yellowing of the skin (jaundice), itching, and fatigue.
- Diagnosis of cirrhosis can be suggested by history, physical examination, and blood tests, and can be confirmed by liver biopsy.
- Complications of cirrhosis include:
- Swelling of the abdomen (ascites) and/or in the hip, thigh, leg, ankle, and foot
- Spontaneous bacterial peritonitis
- Bleeding from varices
- Hepatic encephalopathy
- Hepatorenal syndrome
- Hepatopulmonary syndrome
- Liver cancer
- Treatment of cirrhosis is designed to prevent further damage to the liver, treat complications of cirrhosis, and prevent or detect liver cancer early.
- Transplantation of the liver is an important option for treating patients with advanced cirrhosis.
- There is no cure for cirrhosis of the liver, and for some people the prognosis is poor. The life expectancy for advanced cirrhosis is 6 months to 2 years depending on complications of cirrhosis, and if no donor is available for liver transplantation The life expectancy for people with cirrhosis and acholic hepatitis can be as high as 50%.
- The life expectancy is more than 12 years for a person with cirrhosis and no major complications.
What is cirrhosis?
Cirrhosis is a complication of many liver diseases characterized by abnormal structure and function of the liver. The diseases that lead to cirrhosis do so because they injure and kill liver cells, after which the inflammation and repair that is associated with the dying liver cells cause scar tissue to form. The liver cells that do not die multiply in an attempt to replace the cells that have died. This results in clusters of newly-formed liver cells (regenerative nodules) within the scar tissue. There are many causes of cirrhosis including chemicals (such as alcohol, fat, and certain medications), viruses, toxic metals (such as iron and copper that accumulate in the liver as a result of genetic diseases), and autoimmune liver disease in which the body's immune system attacks the liver.
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Why does cirrhosis cause problems?
The liver is an important organ in the body. It performs many critical functions, two of which are producing substances required by the body, for example, clotting proteins that are necessary in order for blood to clot, and removing toxic substances that can be harmful to the body, for example, such as drugs. The liver also has an important role in regulating the supply of glucose (sugar) and lipids (fat) that the body uses as fuel. In order to perform these critical functions, the liver cells must be working normally, and they must have close proximity to the blood because the substances that are added or removed by the liver are transported to and from the liver by the blood.
The relationship of the liver to the blood is unique. Unlike most organs in the body, only a small amount of blood is supplied to the liver by arteries. Most of the liver's supply of blood comes from the intestinal veins as the blood returns to the heart. The main vein that returns blood from the intestines is called the portal vein. As the portal vein passes through the liver, it breaks up into increasingly smaller and smaller veins. The tiniest veins (called sinusoids because of their unique structure) are in close contact with the liver cells. Liver cells line up along the length of the sinusoids. This close relationship between the liver cells and blood from the portal vein allows the liver cells to remove and add substances to the blood. Once the blood has passed through the sinusoids, it is collected in increasingly larger and larger veins that ultimately form a single vein, the hepatic vein, which returns the blood to the heart.
In cirrhosis, the relationship between blood and liver cells is destroyed. Even though the liver cells that survive or are newly formed may be able to produce and remove substances from the blood, they do not have a normal, intimate relationship with the blood, and this interferes with the liver cells' ability to add or remove substances from the blood. In addition, the scarring within the cirrhotic liver obstructs the flow of blood through the liver and to the liver cells. As a result of the obstruction to the flow of blood through the liver, blood "backs up" in the portal vein, and the pressure in the portal vein increases, a condition called portal hypertension. Because of the obstruction to flow and high pressures in the portal vein, blood in the portal vein seeks other veins in which to return to the heart, veins with lower pressures that bypass the liver. Unfortunately, the liver is unable to add or remove substances from the blood that bypasses it. It is a combination of reduced numbers of liver cells, loss of the normal contact between blood passing through the liver and the liver cells, and blood bypassing the liver that leads to many of the signs of cirrhosis.
A second reason for the problems caused by cirrhosis is the disturbing relationship between the liver cells and the channels through which bile flows. Bile is a fluid produced by liver cells that has two important functions: to aid in digestion and to remove and eliminate toxic substances from the body. The bile produced by liver cells is secreted into very tiny channels that run between the liver cells that line the sinusoids, called canaliculi. The canaliculi empty into small ducts which then join together to form larger and larger ducts. All of the ducts combine into one duct that enters the small intestine which can help with the digestion of food. At the same time, toxic substances contained in the bile enter the intestine and then are eliminated in the stool. In cirrhosis, the canaliculi are abnormal and the relationship between liver cells and canaliculi is destroyed, just like the relationship between the liver cells and blood in the sinusoids. As a result, the liver is not able to eliminate toxic substances normally, and they can accumulate in the body. To a minor extent, digestion in the intestine also is reduced.
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What are the signs and symptoms of cirrhosis?
People with cirrhosis may have few or no symptoms and signs of liver disease. Some of the symptoms may be nonspecific and don't suggest the liver is their cause. Common symptoms and signs of cirrhosis include:
- Yellowing of the skin (jaundice) due to the accumulation of bilirubin in the blood
- Loss of appetite
- Easy bruising from decreased production of blood clotting factors by the diseased liver.
People with cirrhosis of the liver also develop symptoms and signs from the complications of the disease.
What are the stages of cirrhosis of the liver?
Cirrhosis in itself is already a late stage of liver damage. In the early stages of liver disease, there will be inflammation of the liver. If this inflammation is not treated it can lead to scarring (fibrosis). At this stage, it is still possible for the liver to heal with treatment.
If fibrosis of the liver is not treated, it can result in cirrhosis. At this stage, the scar tissue cannot heal, but the progression of the scarring may be prevented or slowed. People with cirrhosis who have signs of complications may develop the end-stage liver disease (ESLD) and the only treatment at this stage is liver transplantation.
- Stage 1 cirrhosis involves some scarring of the liver, but few symptoms. This stage is considered compensated cirrhosis, where there are no complications.
- Stage 2 cirrhosis includes worsening portal hypertension and the development of varices.
- Stage 3 cirrhosis involves the development of swelling in the abdomen and advanced liver scarring. This stage marks decompensated cirrhosis, with serious complications and possible liver failure.
- Stage 4 cirrhosis can be life-threatening and people have developed the end-stage liver disease (ESLD), which is fatal without a transplant.
Edema, ascites, and bacterial peritonitis complications of cirrhosis
Edema and ascites
As cirrhosis of the liver becomes severe, signals are sent to the kidneys to retain salt and water in the body. The excess salt and water first accumulate in the tissue beneath the skin of the ankles and legs because of the effect of gravity when standing or sitting. This accumulation of fluid is called peripheral edema or pitting edema. (Pitting edema refers to the fact that pressing a fingertip firmly against an ankle or leg with edema causes an indentation in the skin that persists for some time after the release of the pressure. Any type of pressure, such as from the elastic band of a sock, maybe enough to cause pitting.) The swelling often is worse at the end of a day after standing or sitting and may lessen overnight when lying down. As cirrhosis worsens and more salt and water are retained, fluid also may accumulate in the abdominal cavity between the abdominal wall and the abdominal organs (called ascites) causing swelling of the abdomen, abdominal discomfort, and increased weight.
Spontaneous bacterial peritonitis (SBP)
Fluid in the abdominal cavity (ascites) is the perfect place for bacteria to grow. Normally, the abdominal cavity contains a very small amount of fluid that can resist infection well, and bacteria that enter the abdomen (usually from the intestine) are killed or find their way into the portal vein and to the liver where they are killed. In cirrhosis, the fluid that collects in the abdomen is unable to resist infection normally. In addition, more bacteria find their way from the intestine into the ascites. Infection within the abdomen and the ascites, called spontaneous bacterial peritonitis or SBP, is likely to occur. SBP is a life-threatening complication. Some patients with SBP have no symptoms, while others have a fever, chills, abdominal pain and tenderness, diarrhea, and worsening ascites.
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Bleeding and spleen complications of cirrhosis
Bleeding from esophageal varices
In the cirrhotic liver, the scar tissue blocks the flow of blood returning to the heart from the intestines and raises the pressure in the portal vein (portal hypertension). When the pressure in the portal vein becomes high enough, it causes blood to flow around the liver through veins with lower pressure to reach the heart. The most common veins through which blood bypasses the liver are the veins lining the lower part of the esophagus and the upper part of the stomach.
As a result of the increased flow of blood and the resulting increase in pressure, the veins in the lower esophagus and upper stomach expand and then are referred to as esophageal and gastric varices; the higher the portal pressure, the larger the varices and the more likely a patient is to bleed from the varices into the esophagus or stomach.
Bleeding from varices is severe and without immediate treatment can be fatal. Symptoms of bleeding from varices include vomiting blood (it may appear as red blood mixed with clots or "coffee grounds"), passing stool that is black and tarries due to changes in the blood as it passes through the intestine (melena), and orthostatic dizziness or fainting (caused by a drop in blood pressure, especially when standing up from a lying position).
Bleeding may rarely occur from varices that form elsewhere in the intestines, for example, the colon. Patients hospitalized because of actively bleeding esophageal varices have a high risk of developing spontaneous bacterial peritonitis, though the reasons for this are not yet understood.
The spleen normally acts as a filter to remove older red blood cells, white blood cells, and platelets (small particles important for the clotting of blood.). The blood that drains from the spleen joins the blood in the portal vein from the intestines. As the pressure in the portal vein rises in cirrhosis, it increasingly blocks the flow of blood from the spleen. The blood "backs up," accumulating in the spleen, and the spleen swells in size, a condition referred to as splenomegaly. Sometimes, the spleen is so enlarged it causes abdominal pain.
As the spleen enlarges, it filters out more and more of the blood cells and platelets until their numbers in the blood are reduced. Hypersplenism is the term used to describe this condition, and it is associated with a low red blood cell count (anemia), low white blood cell count (leukopenia), and/or a low platelet count (thrombocytopenia). Anemia can cause weakness, leucopenia can lead to infections, and thrombocytopenia can impair the clotting of blood and result in prolonged bleeding
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Liver (cancer and hepatic) complications of cirrhosis
Liver cancer (hepatocellular carcinoma)
Cirrhosis due to any cause increases the risk of primary liver cancer (hepatocellular carcinoma). Primary refers to the fact that the tumor originates in the liver. Secondary liver cancer is one that originates elsewhere in the body and spreads (metastasizes) to the liver.
The most common symptoms and signs of primary liver cancer are abdominal pain and swelling, an enlarged liver, weight loss, and fever. In addition, liver cancers can produce and release a number of substances, including ones that cause an increase in red blood cell count (erythrocytosis), low blood sugar (hypoglycemia), and high blood calcium (hypercalcemia).
Some of the protein in food that escapes digestion and absorption is used by bacteria that are normally present in the intestine. While using the protein for their own purposes, the bacteria make substances that they release into the intestine to then be absorbed into the body. Some of these substances, such as ammonia, can have toxic effects on the brain. Ordinarily, these toxic substances are carried from the intestine in the portal vein to the liver where they are removed from the blood and detoxified.
When cirrhosis is present, liver cells cannot function normally either because they are damaged or because they have lost their normal relationship with the blood. In addition, some of the blood in the portal vein bypasses the liver through other veins. The result of these abnormalities is that toxic substances cannot be removed by the liver cells, and instead accumulate in the blood.
When the toxic substances accumulate sufficiently in the blood, the function of the brain is impaired, a condition called hepatic encephalopathy. Sleeping during the day rather than at night (reversal of the normal sleep pattern) is an early symptom of hepatic encephalopathy. Other symptoms include irritability, inability to concentrate or perform calculations, memory loss, confusion, or depressed levels of consciousness. Ultimately, severe hepatic encephalopathy causes coma and death.
The toxic substances also make the brains of patients with cirrhosis very sensitive to drugs that are normally filtered and detoxified by the liver. Doses of many drugs may have to be reduced to avoid a toxic buildup in cirrhosis, particularly sedatives and drugs used to promote sleep. Alternatively, drugs may be used that do not need to be detoxified or eliminated from the body by the liver, such as drugs eliminated by the kidneys.
Patients with worsening cirrhosis can develop the hepatorenal syndrome. This syndrome is a serious complication in which the function of the kidneys is reduced. It is a functional problem in the kidneys, meaning there is no physical damage to the kidneys. Instead, the reduced function is due to changes in the way the blood flows through the kidneys themselves. The hepatorenal syndrome is defined as progressive failure of the kidneys to clear substances from the blood and produce adequate amounts of urine while other important functions of the kidney, such as retention of salt, are maintained. If liver function improves or a healthy liver is transplanted into a patient with hepatorenal syndrome, the kidneys usually begin to work normally again. This suggests that the reduced function of the kidneys is the result of either the accumulation of toxic substances in the blood or abnormal liver function when the liver fails. There are two types of hepatorenal syndrome. One type occurs gradually over months. The other occurs rapidly over a week or two.
Rarely, some patients with advanced cirrhosis can develop hepatopulmonary syndrome. These patients can experience difficulty breathing because certain hormones released in advanced cirrhosis cause the lungs to function abnormally. The basic problem in the lung is that not enough blood flows through the small blood vessels in the lungs that are in contact with the alveoli (air sacs) of the lungs. Blood flowing through the lungs is shunted around the alveoli and cannot pick up enough oxygen from the air in the alveoli. As a result, the patient experiences shortness of breath, particularly with exertion.
What are common causes of cirrhosis?
Common causes of cirrhosis of the liver include:
- Nonalcoholic fatty liver disease
- Cryptogenic causes
- Chronic viral hepatitis (A, B, and C)
- Autoimmune hepatitis
- Inherited (genetic) disorders
- Primary biliary cirrhosis (PCB)
- Primary sclerosing cholangitis (PSC)
- Infants born without bile ducts
Less common causes of cirrhosis include:
- Unusual reactions to some drugs
- Prolonged exposure to toxins
- Chronic heart failure (cardiac cirrhosis).
In certain parts of the world (particularly Northern Africa), infection of the liver with a parasite (schistosomiasis) is the most common cause of liver disease and cirrhosis.
Alcohol and nonalcoholic fatty liver disease
Alcohol is a very common cause of cirrhosis, particularly in the Western world. Chronic, high levels of alcohol consumption injure liver cells. Thirty percent of individuals who drink daily at least eight to sixteen ounces of hard liquor or the equivalent for fifteen or more years will develop cirrhosis. Alcohol causes a range of liver diseases, which include simple and uncomplicated fatty liver (steatosis), more serious fatty liver with inflammation (steatohepatitis or alcoholic hepatitis), and cirrhosis.
Nonalcoholic fatty liver disease (NAFLD)
Nonalcoholic fatty liver disease (NAFLD) refers to a wide spectrum of liver diseases that, like alcoholic liver disease, range from simple steatosis to nonalcoholic steatohepatitis (NASH), to cirrhosis. All stages of NAFLD have in common the accumulation of fat in liver cells. The term nonalcoholic is used because NAFLD occurs in individuals who do not consume excessive amounts of alcohol, yet in many respects, the microscopic picture of NAFLD is similar to what can be seen in liver disease that is due to excessive alcohol. NAFLD is associated with a condition called insulin resistance, which, in turn, is associated with metabolic syndrome and diabetes mellitus type 2. Obesity is the main cause of insulin resistance, metabolic syndrome, and type 2 diabetes. NAFLD is the most common liver disease in the United States and is responsible for up to 25% of all liver diseases. The number of livers transplanted for NAFLD-related cirrhosis is on the rise. Public health officials are worried that the current epidemic of obesity will dramatically increase the development of NAFLD and cirrhosis in the population.
Hepatitis, primary biliary cirrhosis, and primary sclerosing cholangitis
Chronic viral hepatitis (hep B and C)
Chronic viral hepatitis is a condition in which hepatitis B or hepatitis C virus infects the liver for years. Most patients with viral hepatitis will not develop chronic hepatitis and cirrhosis. The majority of patients infected with hepatitis A recover completely within weeks, without developing chronic infection. In contrast, some patients infected with hepatitis B virus and most patients infected with hepatitis C virus develop chronic hepatitis, which, in turn, causes progressive liver damage and leads to cirrhosis, and, sometimes, liver cancers.
Autoimmune hepatitis is a liver disease found more commonly in women that are caused by an abnormality of the immune system. The abnormal immune activity in autoimmune hepatitis causes progressive inflammation and destruction of liver cells (hepatocytes), leading ultimately to cirrhosis.
Primary biliary cirrhosis (PBC)
Primary biliary cirrhosis (PBC) is a liver disease caused by an abnormality of the immune system that is found predominantly in women. The abnormal immunity in PBC causes chronic inflammation and destruction of the small bile ducts within the liver. The bile ducts are passages within the liver through which bile travels to the intestine. Bile is a fluid produced by the liver that contains substances required for digestion and absorption of fat in the intestine, as well as other compounds that are waste products, such as the pigment bilirubin. (Bilirubin is produced by the breakdown of hemoglobin from old red blood cells.). Along with the gallbladder, the bile ducts make up the biliary tract. In PBC, the destruction of the small bile ducts blocks the normal flow of bile into the intestine. As the inflammation continues to destroy more of the bile ducts, it also spreads to destroy nearby liver cells. As the destruction of the hepatocytes proceeds, scar tissue (fibrosis) forms and spreads throughout the areas of destruction. The combined effects of progressive inflammation, scarring, and the toxic effects of accumulating waste products culminate in cirrhosis.
Primary sclerosing cholangitis (PSC)
Primary sclerosing cholangitis (PSC) is an uncommon disease frequently found in patients with Crohn's disease and ulcerative colitis. In PSC, the large bile ducts outside of the liver become inflamed, narrowed, and obstructed. Obstruction to the flow of bile leads to infections of the bile ducts and jaundice, eventually causing cirrhosis. In some patients, injury to the bile ducts (usually because of surgery) also can cause obstruction and cirrhosis of the liver.
Inherited disorders, cryptogenic cirrhosis, and biliary atresia in infants
Inherited (genetic) disorders
Inherited (genetic) disorders result in the accumulation of toxic substances in the liver, which leads to tissue damage and cirrhosis. Examples include the abnormal accumulation of iron (hemochromatosis) or copper (Wilson disease). In hemochromatosis, patients inherit a tendency to absorb an excessive amount of iron from food. Over time, iron accumulation in different organs throughout the body causes cirrhosis, arthritis, heart muscle damage leading to heart failure, and testicular dysfunction causing loss of sexual drive. Treatment is aimed at preventing damage to organs by removing iron from the body through phlebotomy (removing blood). In Wilson disease, there is an inherited abnormality in one of the proteins that control copper in the body. Over time, copper accumulates in the liver, eyes, and brain. Cirrhosis, tremor, psychiatric disturbances, and other neurological difficulties occur if the condition is not treated early. Treatment is with oral medication, which increases the amount of copper that is eliminated from the body in the urine.
Cryptogenic cirrhosis (cirrhosis due to unidentified causes) is a common reason for liver transplantation. It is termed called cryptogenic cirrhosis because for many years doctors have been being unable to explain why a proportion of patients developed cirrhosis. Doctors now believe that cryptogenic cirrhosis is due to NASH (nonalcoholic steatohepatitis) caused by long-standing obesity, type 2 diabetes, and insulin resistance. The fat in the liver of patients with NASH is believed to disappear with the onset of cirrhosis, and this has made it difficult for doctors to make the connection between NASH and cryptogenic cirrhosis for a long time. One important clue that NASH leads to cryptogenic cirrhosis is the finding of a high occurrence of NASH in the new livers of patients undergoing liver transplants for cryptogenic cirrhosis. Finally, a study from France suggests that patients with NASH have a similar risk of developing cirrhosis as patients with long-standing infection with hepatitis C virus. (See discussion that follows.) However, the progression to cirrhosis from NASH is thought to be slow and the diagnosis of cirrhosis typically is made in people in their sixties.
Infants can be born without bile ducts (biliary atresia) and ultimately develop cirrhosis. Other infants are born lacking vital enzymes for controlling sugars that lead to the accumulation of sugars and cirrhosis. On rare occasions, the absence of a specific enzyme can cause cirrhosis and scarring of the lung (alpha-1 antitrypsin deficiency).
Less common causes of cirrhosis include unusual reactions to some drugs and prolonged exposure to toxins, as well as chronic heart failure (cardiac cirrhosis). In certain parts of the world (particularly Northern Africa), infection of the liver with a parasite (schistosomiasis) is the most common cause of liver disease and cirrhosis.
How is cirrhosis diagnosed and evaluated?
The single best test for diagnosing cirrhosis is a biopsy of the liver. Liver biopsies carry a small risk for serious complications, and biopsy often is reserved for those patients in whom the diagnosis of the type of liver disease or the presence of cirrhosis is not clear. The history, physical examination, or routine testing may suggest the possibility of cirrhosis. If cirrhosis is present, other tests can be used to determine the severity of cirrhosis and the presence of complications. Tests also may be used to diagnose the underlying disease that is causing cirrhosis. Examples of how doctors diagnose and evaluate cirrhosis are:
- The patient's history. The doctor may uncover a history of excessive and prolonged intake of alcohol, a history of intravenous drug abuse, or a history of hepatitis. This can suggest the possibility of liver disease and cirrhosis.
- Patients who are known to have chronic viral hepatitis B or C have a higher probability of having cirrhosis.
- Some patients with cirrhosis have enlarged livers and/or spleens. A doctor can often feel (palpate) the lower edge of an enlarged liver below the right rib cage and feel the tip of the enlarged spleen below the left rib cage. A cirrhotic liver also feels firmer and more irregular than a normal liver.
- Some patients with cirrhosis, particularly alcoholic cirrhosis, have small red spider-like markings (telangiectasias) on the skin, particularly on the chest that are made up of enlarged, radiating blood vessels. However, these spider telangiectasias also can be seen in individuals without liver disease.
- Jaundice (yellowing of the skin and the whites of the eyes due to elevated bilirubin in the blood) is common among patients with cirrhosis, but jaundice can occur in patients with liver diseases without cirrhosis and other conditions such as hemolysis (excessive break down of red blood cells).
- Swelling of the abdomen (ascites) and/or the lower extremities (edema) due to retention of fluid is common among patients with cirrhosis, although other diseases can cause them commonly, for example, congestive heart failure.
- Patients with abnormal copper deposits in their eyes or certain types of neurologic disease may have Wilson disease, a genetic disease in which there are abnormal handling and accumulation of copper throughout the body, including the liver, which can lead to cirrhosis.
- Esophageal varices may be found unexpectedly during upper endoscopy (EGD), strongly suggesting cirrhosis.
- Computerized tomography (CT or CAT) or magnetic resonance imaging (MRI) scans and ultrasound examinations of the abdomen done for reasons other than evaluating the possibility of liver disease may unexpectedly detect enlarged livers, abnormally nodular livers, enlarged spleens, and fluid in the abdomen, which suggest cirrhosis.
- Advanced cirrhosis leads to a reduced level of albumin in the blood and reduced blood clotting factors due to the loss of the liver's ability to produce these proteins. Reduced levels of albumin in the blood or abnormal bleeding suggest cirrhosis.
- An abnormal elevation of liver enzymes in the blood (such as ALT and AST) that are obtained routinely as part of yearly health examinations suggests inflammation or injury to the liver from many causes as well as cirrhosis.
- Patients with elevated levels of iron in their blood may have hemochromatosis, a genetic disease of the liver in which iron is handled abnormally and which leads to cirrhosis.
- Autoantibodies (antinuclear antibody, anti-smooth muscle antibody, and anti-mitochondrial antibody) sometimes are detected in the blood and may be a clue to the presence of autoimmune hepatitis or primary biliary cirrhosis, both of which can lead to cirrhosis.
- Liver cancer (hepatocellular carcinoma) may be detected by CT and MRI scans or ultrasound of the abdomen. Liver cancer most commonly develops in individuals with underlying cirrhosis.
- Elevation of tumor markers such as alpha-fetoprotein suggests the presence of liver cancer.
- If there is an accumulation of fluid in the abdomen, a sample of the fluid can be removed using a long needle to be examined and tested. The results of testing may suggest the presence of cirrhosis as the cause of the fluid.
What are treatment options for cirrhosis?
Treatment of cirrhosis includes
- preventing further damage to the liver,
- treating the complications of cirrhosis,
- preventing liver cancer or detecting it early, and
- liver transplantation.
Preventing further damage to the liver
Consume a balanced diet and one multivitamin daily. Patients with PBC with impaired absorption of fat-soluble vitamins may need additional vitamins D and K.
Avoid drugs (including alcohol) that cause liver damage. All patients with cirrhosis should avoid alcohol. Most patients with alcohol-induced cirrhosis experience an improvement in liver function with abstinence from alcohol. Even patients with chronic hepatitis B and C can substantially reduce liver damage and slow the progression towards cirrhosis with abstinence from alcohol.
Avoid nonsteroidal anti-inflammatory drugs (NSAIDs, e.g., ibuprofen). Patients with cirrhosis can experience worsening of liver and kidney function with NSAIDs.
Eradicate hepatitis B and hepatitis C virus by using anti-viral medications. Not all patients with cirrhosis due to chronic viral hepatitis are candidates for drug treatment. Some patients may experience serious deterioration in liver function and/or intolerable side effects during treatment. Thus, decisions to treat viral hepatitis have to be individualized, after consulting with doctors experienced in treating liver diseases (hepatologists).
Remove blood from patients with hemochromatosis to reduce the levels of iron and prevent further damage to the liver. In Wilson's disease, medications can be used to increase the excretion of copper in the urine to reduce the levels of copper in the body and prevent further damage to the liver.
Suppress the immune system with drugs such as prednisone and azathioprine (Imuran) to decrease inflammation of the liver in autoimmune hepatitis.
Treat patients with PBC with a bile acid preparation, ursodeoxycholic acid (UDCA), also called ursodiol (Actigall). Results of an analysis that combined the results from several clinical trials showed that UDCA increased survival among PBC patients during 4 years of therapy. The development of portal hypertension also was reduced by the UDCA. It is important to note that despite producing clear benefits, UDCA treatment primarily retards progression and does not cure PBC. Other medications such as colchicine and methotrexate also may have benefits in subsets of patients with PBC.
Immunize patients with cirrhosis against infection with hepatitis A and B to prevent a serious deterioration in the liver. There are currently no vaccines available for immunizing against hepatitis C.
Treatment for edema, acites, and hypersplenism complications
Edema and ascites
Retaining salt and water can lead to swelling of the ankles and legs (edema) or abdomen (ascites) in patients with cirrhosis. Doctors often advise patients with cirrhosis to restrict dietary salt (sodium) and fluid to decrease edema and ascites. The amount of salt in the diet usually is restricted to 2 grams per day and fluid to 1.2 liters per day. In most patients with cirrhosis, salt and fluid restriction is not enough and diuretics have to be added.
Diuretics are medications that work in the kidneys to promote the elimination of salt and water into the urine. A combination of the diuretics spironolactone (Aldactone) and furosemide (Lasix) can reduce or eliminate the edema and ascites in most patients. During treatment with diuretics, it is important to monitor the function of the kidneys by measuring blood levels of blood urea nitrogen (BUN) and creatinine to determine if too much diuretic is being used. Too much diuretic can lead to kidney dysfunction that is reflected in elevations of the BUN and creatinine levels in the blood.
Sometimes, when the diuretics do not work (in which case the ascites are said to be refractory), a long needle or catheter is used to draw out the ascitic fluid directly from the abdomen, a procedure called abdominal paracentesis. It is common to withdraw large amounts (liters) of fluid from the abdomen when the ascites are causing painful abdominal distension and/or difficulty breathing because it limits the movement of the diaphragms.
Another treatment for refractory ascites is a procedure called transjugular intravenous portosystemic shunting (TIPS).
The spleen normally acts as a filter to remove older red blood cells, white blood cells, and platelets (small particles important for the clotting of blood). The blood that drains from the spleen joins the blood in the portal vein from the intestines. As the pressure in the portal vein rises in cirrhosis, it increasingly blocks the flow of blood from the spleen. The blood "backs up," accumulating in the spleen, and the spleen swells in size, a condition referred to as splenomegaly. Sometimes, the spleen is so enlarged it causes abdominal pain.
As the spleen enlarges, it filters out more and more of the blood cells and platelets until their numbers in the blood are reduced. Hypersplenism is the term used to describe this condition, and it is associated with a low red blood cell count (anemia), low white blood cell count (leukopenia), and/or a low platelet count (thrombocytopenia). Anemia can cause weakness, leucopenia can lead to infections, and thrombocytopenia can impair the clotting of blood and result in prolonged bleeding.
Treatment for bleeding from varices complications
If large varices develop in the esophagus or upper stomach, patients with cirrhosis are at risk for serious bleeding due to rupture of these varices. Once varices have bled, they tend to rebleed and the probability that a patient will die from each bleeding episode is high (30% to 35%). Treatment is necessary to prevent the first bleeding episode as well as rebleeding. Treatments include medications and procedures to decrease the pressure in the portal vein and procedures to destroy the varices.
- Propranolol (Inderal), a beta-blocker, is effective in lowering the pressure in the portal vein and is used to prevent initial bleeding and rebleeding from varices in patients with cirrhosis. Another class of oral medications that lower portal pressure is nitrates, such as isosorbide dinitrate (Isordil). Nitrates often are added to propranolol if propranolol alone does not adequately lower portal pressure or prevent bleeding.
- Octreotide (Sandostatin) also decreases portal vein pressure and has been used to treat variceal bleeding.
- During upper endoscopy (EGD) sclerotherapy or band ligation can be performed to obliterate varices, stop active bleeding, and prevent rebleeding. Sclerotherapy is less commonly used due to a higher risk of complications as compared to band ligation. Band ligation involves applying rubber bands around the varices to obliterate them. (Band ligation of the varices is analogous to rubber banding of hemorrhoids.)
- Transjugular intrahepatic portosystemic shunt (TIPS) is a non-surgical, radiologic procedure to decrease the pressure in the portal vein. TIPS is performed by a radiologist who inserts a stent (tube) through a neck vein, down the inferior vena cava, and into the hepatic vein within the liver. The stent then is placed so that one end is in the high-pressure portal vein and the other end is in the low-pressure hepatic vein. This tube shunts blood around the liver and by so doing lowers the pressure in the portal vein and varices and prevents bleeding from the varices. TIPS is particularly useful in patients who fail to respond to beta-blockers or variceal banding. TIPS also is useful in treating patients with ascites that do not respond to salt and fluid restriction and diuretics. TIPS can be used in patients with cirrhosis to prevent variceal bleeding while the patients are waiting for liver transplantation. The most common side effect of TIPS is hepatic encephalopathy. Another major problem with TIPS is the development of narrowing and blocking (occlusion) of the stent, causing recurrence of portal hypertension and variceal bleeding and ascites. Fortunately, there are methods to open blocked stents. Other complications of TIPS include bleeding due to inadvertent puncture of the liver capsule or a bile duct, infection, heart failure, and liver failure.
- A surgical operation to create a shunt (passage) from the high-pressure portal vein to veins with lower pressure can lower blood flow and pressure in the portal vein and prevent varices from bleeding. One procedure is called distal splenorenal shunt (DSRS). A surgical shunt may be considered for patients with portal hypertension who have early cirrhosis. The risks of major shunt surgery in these patients are less than in patients with advanced cirrhosis. During DSRS, the surgeon detaches the splenic vein from the portal vein and attaches it to the renal vein. Blood is then shunted from the spleen around the liver, lowering the pressure in the portal vein and varices and preventing bleeding from the varices.
Treatment for hepatic encephalopathy
Patients with an abnormal sleep cycle, impaired thinking, odd behavior, or other signs of hepatic encephalopathy usually should be treated with a low protein diet and oral lactulose. Dietary protein is restricted because it is a source of toxic compounds that cause hepatic encephalopathy. Lactulose, which is a liquid, traps toxic compounds in the colon so they cannot be absorbed into the bloodstream, and thus cause encephalopathy. Lactulose is converted to lactic acid in the colon, and the acidic environment that results is believed to trap the toxic compounds produced by the bacteria. To be sure adequate lactulose is present in the colon at all times, the patient should adjust the dose to produce 2 to 3 semiformed bowel movements a day. Lactulose is a laxative, and the effectiveness of treatment can be judged by loosening or increasing the frequency of stools.
Rifaximin (Xifaxan) is an antibiotic taken orally that is not absorbed into the body but rather remains in the intestines. It is the preferred mode of treatment of hepatic encephalopathy. Antibiotics work by suppressing the bacteria that produce the toxic compounds in the colon.
Treatment for spontaneous bacterial peritonitis complications
Patients suspected of having spontaneous bacterial peritonitis usually will undergo paracentesis. The fluid that is removed is examined for white blood cells and cultured for bacteria. Culturing involves inoculating a sample of the ascites into a bottle of nutrient-rich fluid that encourages the growth of bacteria, thus facilitating the identification of even small numbers of bacteria. Blood and urine samples also are often obtained for culturing because many patients with spontaneous bacterial peritonitis also will have infections in their blood and urine. Many doctors believe the infection may have begun in the blood and the urine and spread to the ascitic fluid to cause spontaneous bacterial peritonitis. Most patients with spontaneous bacterial peritonitis are hospitalized and treated with intravenous antibiotics such as cefotaxime (Claforan). Patients usually treated with antibiotics include:
- Ascites fluid cultures that contain bacteria.
- Patients without bacteria in their blood, urine, and ascitic fluid but who have elevated numbers of white blood cells (neutrophils) in the ascitic fluid (greater than 250 neutrophils/cc). Elevated neutrophil numbers in ascitic fluid often mean there is a bacterial infection. Doctors believe the lack of bacteria with culturing in some patients with increased neutrophils is due either to a very small number of bacteria or ineffective culturing techniques.
Spontaneous bacterial peritonitis is a serious infection. It often occurs in patients with advanced cirrhosis whose immune systems are weak, but with modern antibiotics and early detection and treatment, the prognosis of recovering from an episode of spontaneous bacterial peritonitis is good.
In some patients, oral antibiotics (norfloxacin [Noroxin] or sulfamethoxazole and trimethoprim [Bactrim]) can be prescribed to prevent spontaneous bacterial peritonitis. Not all patients with cirrhosis and ascites should be treated with antibiotics to prevent spontaneous bacterial peritonitis, but some patients are at high risk for developing spontaneous bacterial peritonitis and warrant preventive treatment.
- Patients with cirrhosis who are hospitalized for bleeding varices have a high risk of developing spontaneous bacterial peritonitis and should be started on antibiotics early during the hospitalization to treat presumed spontaneous bacterial peritonitis
- Patients with recurring episodes of spontaneous bacterial peritonitis
- Patients with low protein levels in the ascitic fluid (ascitic fluid with low levels of protein is more likely to become infected).
Prevention and early detection for liver cancer, and liver transplantation
Prevention and early detection of liver cancer
Several types of liver disease that cause cirrhosis (such as hepatitis B and C) are associated with a high incidence of liver cancer. It is useful to screen for liver cancer in patients with cirrhosis, as early surgical treatment or transplantation of the liver can cure the patient of cancer. The difficulty is that the methods available for screening are only partially effective, identifying at best only half of patients at a curable stage of their cancer. Despite the partial effectiveness of screening, most patients with cirrhosis, particularly hepatitis B and C, are screened yearly or every six months with ultrasound examination of the liver and measurements of cancer-produced proteins in the blood, for example, alpha-fetoprotein.
Cirrhosis is irreversible. Liver function usually gradually worsens despite treatment, and complications of cirrhosis increase and become difficult to treat. When cirrhosis is far advanced liver transplantation often is the only option for treatment. Recent advances in surgical transplantation and medications to prevent infection and rejection of the transplanted liver have greatly improved survival after transplantation. On average, more than 80% of patients who receive transplants are alive after five years. Not everyone with cirrhosis is a candidate for transplantation. Furthermore, there is a shortage of livers to transplant, and they're usually is a long (months to years) wait before a liver for transplanting becomes available. Measures to slow the progression of liver disease, and treat and prevent complications of cirrhosis are vitally important.
What is the prognosis and life expectancy for cirrhosis of the liver?
The prognosis and life expectancy for cirrhosis of the liver varies and depends on the cause, the severity, any complications, and any underlying diseases.
- In compensated cirrhosis, patients have not developed any major complications and the average survival rate is more than 12 years.
- The prognosis is worse for patients who have decompensated cirrhosis and have developed complications such as ascites, variceal hemorrhage, spontaneous bacterial peritonitis, hepatocellular carcinoma, hepatorenal syndrome, or hepatopulmonary syndrome.
- Patients with decompensated cirrhosis often require liver transplantation and in those who are unable to receive an organ transplant, life expectancy may be less than 6 months.
What research is ongoing to prevent and treat cirrohsis of the liver?
Progress in the management and prevention of cirrhosis continues. Research is ongoing to determine the mechanism of scar formation in the liver and how this process of scarring can be interrupted or even reversed. Newer and better treatments for viral liver disease are being developed to prevent the progression to cirrhosis. Prevention of viral hepatitis by vaccination, which is available for hepatitis B, is being developed for hepatitis C. Treatments for the complications of cirrhosis are being developed or revised, and tested continually. Finally, research is being directed at identifying new proteins in the blood that can detect liver cancer early or predict which patients will develop liver cancer.
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Bruha, R, et al. Alcoholic liver disease. World J Hepatol. 2012 Mar 27; 4(3): 81–90. Published online 2012 Mar 27. doi: 10.4254/wjh.v4.i3.81<https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3321494/>
Chopra, MD, et al. Patient education: Cirrhosis (Beyond the Basics). UpToDate. Updated: May 2018.
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