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Cirrhosis
2009
HealthWise: Cirrhosis
—Lucinda Porter, RN
In the 1840’s, a French physician looked at a diseased liver and coined the word cirrhosis from the Greek kirrhos for tawny. A common myth is that cirrhosis is caused solely by alcoholism. Actually, there are many causes. Examples are hepatitis B, C, and D, fatty liver disease, excess iron, certain drugs and supplements, and other liver diseases.
One in five people with chronic hepatitis C virus infection (HCV) will develop cirrhosis. It starts when the liver tries to eliminate HCV, by producing more liver enzymes. But for some, the liver can’t keep up with the pace and it builds scar tissue. This scar tissue is called fibrosis. Most with HCV have fibrosis and will not progress past this stage. If the damage becomes severe, the liver hardens into cirrhosis. If it happens, the process usually takes twenty or more years.
One way to describe cirrhosis is to picture a drip coffee maker. If you lived in a place where the water is hard, mineral deposits will build up in the holes the water passes through. In time, deposits accumulate so that water can’t pass through. Your coffee maker would have cirrhosis.
“Cirrhosis has been linked to as little as 2-3 daily glasses of alcohol for healthy women and 3-4 for men, according to the National Institute of Diabetes, Digestive, and Kidney Disease.”
There is a problem with this analogy. The mineral deposits can be cleaned out with various solutions, such as white vinegar. Although the liver acts as a filter, fibrosis and cirrhosis aren’t simply clogged up vessels. The liver is damaged because the constant assault from inflammation actually changes the architecture of the tissue. For this reason, products that promise to cleanse the liver are misleading because it is not an organ that can be “flushed out” with herbs or supplements.
Signs & Symptoms
The liver is referred to as a non-complaining organ. Although twinges are common, most patients don’t run to the clinic, writhing with liver pain. Typically patients find out they have HCV via a routine lab test, such as when applying for insurance or attempting to donate blood. Or, labs may be ordered to address vague complaints such as fatigue.
This silent feature is good news for those who abhor pain and bad news for those who can’t stand uncertainty. If the disease is silent, how does someone know if they have cirrhosis? There may be symptoms such as fatigue, appetite loss or nausea. However, these are symptoms of a host of other conditions, including HCV. So again, how does one know if they have cirrhosis? Your health provider can tell you.
The liver is normally soft and smooth. On exam, if your liver feels hard and coarse, this is a sign. The spleen may be enlarged. You may have red, spidery blotches, usually on upper body and face, called spider nevi.
The signs and symptoms of cirrhosis may be caused by other conditions, some of which are very minor. For instance, a red spider vein on the face may be just that. Don’t assume, don’t panic, don’t self-diagnose.
Lab tests are critical. Some typical lab abnormalities include:
• Decreased platelets –
the sticky part of the blood that helps clotting
• Increased blood clotting times
• Low cholesterol
Lab abnormalities that occur later in cirrhosis may include low
albumin and high bilirubin,both produced by the liver.
Ultrasound and other imaging studies may be ordered but are not reliable diagnostic tools. A liver biopsy is the surest way to confirm cirrhosis. For most, the risk of liver biopsy-related complications is low. This risk increases if there is cirrhosis, so make sure the physician performing the biopsy is experienced. If the procedure is done in a hospital during July, ask if a new resident will be doing the biopsy. If the answer is yes, ask yourself if you are comfortable with this since this is the start of rotation for new residents.
If lab tests point to a bleeding risk, a safer option is to have a transjugular biopsy. This procedure is done under sedation. A long, thin tube is guided to the liver through an incision made in the neck’s jugular vein. Liver tissue is obtained via a biopsy needle threaded through the tube. If there is accidental bleeding, the blood flows into the liver’s own vein rather than leaking into the abdomen.
Two Stages of Cirrhosis
Sometimes the symptoms of cirrhosis are not subtle. A friend found out she had cirrhosis after vomiting blood. Her liver was severely damaged. She probably had cirrhosis for awhile. I’ll explain the bleeding in a moment.
Cirrhosis is categorized as compensated or decompensated. Compensated cirrhosis means that the liver is performing relatively well in spite of the damage. Decompensated cirrhosis means that the liver is not functioning properly. Decompensated cirrhosis is also known as end-stage liver disease (ESLD). About one in five of those with HCV-induced cirrhosis will progress to a decompensated stage.
Let’s go back to the coffee maker analogy. Imagine that the holes through which the water passes are starting to get clogged from mineral deposits. This happened gradually. You probably didn’t notice that it took longer to brew. Maybe you thought the coffee maker was getting old. But it worked and every morning you still had coffee, so there was no reason to suspect anything. Then one day, the holes are completely clogged to the point that everything gushes back out the top of the machine. You have a mess of steam, water, and coffee grounds.
It is similar with cirrhosis. Blood flow eventually backs up into the liver’s portal vein. The circulatory system tries to push blood through the damaged organ. The blood pressure in the portal system increases. This is known as portal hypertension.
At this point, everything in the area is affected. The spleen gets bigger because blood backs up into it. Splenomegaly is the term for an enlarged spleen. Platelets get trapped in the spleen, reducing the body’s ability to clot. Also because of the increased pressure, varicose veins called varices form in the esophagus and stomach. These can burst, as in the case of my friend who vomited blood. The body’s decreased clotting ability combined with bleeding varices is potentially life-threatening.
“Compensated cirrhosis means that the liver is performing relatively well in spite of the damage. Decompensated cirrhosis means that the liver is not functioning properly.”
The liver has over 500
functions, so portal hypertension affects nearly every bodily
system. Here are some of the complications of advanced cirrhosis:
• susceptibility to bodily bruising and bleeding
• severe itching
• osteoporosis – bone loss
• increased infections
• cachexia – loss of muscle mass
• increased or decreased blood sugar
• breast enlargement in men along with atrophy of testes
• menstrual irregularities
• kidney abnormalities
• ascites – fluid retention, particularly abdominal and ankle
swelling
• jaundice – yellowing of eyes and skin
• cola-colored urine and/or clay-colored stools
• varices – esophageal and gastrointestinal bleeding
• hepatic encephalopathy – mental changes caused by accumulation of
toxins in the brain, such as poor memory and concentration or
impaired sleep
As stated earlier, the liver will compensate for the decreased function of 80% of those with HCV-induced cirrhosis. This means that the majority of those with cirrhosis are able to function despite cirrhosis. Most of these haven’t progressed enough to warrant a referral for liver transplant evaluation. Many will live long and active lives. These patients need regular medical visits to monitor their health, particularly because those with HCV and cirrhosis have an increased risk of liver cancer. Early diagnosis is a critical factor in liver cancer survival rate.
Although this subject is frightening, take comfort in this: 1) The majority of us with HCV will not progress to cirrhosis. 2) Of those that do progress, the majority can still live full, productive lives. Next month’s column will go into more detail, concluding with how to help ourselves live with cirrhosis or avoid it altogether.
Part Two
http://www.hcvadvocate.org/news/newsLetter/2009/advocate0209.html#3
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http://www.hcvadvocate.org/news/newsLetter/2009/advocate0109.html#3