Wk 4 Hepatitis Flashcards
Hep E and D are…
not common in USA
What are 2 other viruses that can cause hepatitis
Epstein-Barr
Cytomegalovirus
Hepatitis can have other causes not from a virus such as… (4)
Alcohol abuse
Drugs
Chemicals
Bacteria
What are the most common strains of viral hepatitis?
B and C
What type of viral hepatitis is VERY dangerous in pregnancies?
E
What is the pathogenesis of viral hepatitis?
Infection which leads to inflammatory mediators that cluster around liver, causing lysis of cells and death, then tissue hypoxia. End result: edema and swelling
In many cases __ types of viral hepatitis are asymptomatic
ALL
Viral hepatitis causes elevated __
LFTs
Viral hepatitis is NOT consistent with…
cellular damage within the liver
When is the prodromal stage of viral hepatitis?
2 weeks after exposure
In the prodromal phase, viral hepatitis is __ __.
highly transmissible
What are the symptoms of the prodromal phase of viral hepatitis?
Fatigue Anorexia Malaise Nausea Vomiting HA hyperalgesia cough low grade fever
What is hyperalgesia?
Extreme sensitivity to pain
When is the icteric phase of viral hepatitis?
Begins with jaundice
What happens to the liver in the icteric phase of viral hepatitis?
Liver is enlarged and may be painful to palpation
What are symptoms of the icteric phase of viral hepatitis?
jaundice dark urine clay-colored stools fatigue abdominal pain
What is different about the abdominal pain in the icteric phase versus the prodromal phase of viral hepatitis?
It either persists or increases in severity
After the icteric phase, what can happen to a patient with viral hepatitis?
They can develop chronic hepatitis
What is the recovery phase of viral hepatitis?
Resolution of jaundice
When is the recovery phase of viral hepatitis?
6-8 weeks after exposure with diminished symptoms
What is something important to note about the recovery phase of viral hepatitis?
Liver remains enlarged/tender
Most patients with acute viral hepatitis…
recover completely with no complications
What is the overall mortality rate for viral hepatitis?
Less than 1% unless the patient is elderly or has comorbidities
What are 4 potential complications of viral hepatitis?
Chronic hepatitis
Liver cirrhosis
Liver cancer
Fulminant viral hepatitis - acute liver failure
Hep A is considered a…
food borne illness related to unclean sanitation and improper handling of food
What is the transmission of hepatitis A?
Mainly fecal-oral
What other ways can hepatitis A be spread?
Parenteral or sexually
What is the severity of hepatitis A?
Usually mild, acute onset
Hepatitis A does NOT lead to what?
chronic hepatitis
What are the symptoms of hepatitis A?
fatigue fever n/v/d stomach pain dark pee clay colored stool jaundice
Who can get hepatitis A?
Really anyone, children and adults
How do you prevent hepatitis A infection?
Hand hygiene
Hepatitis A vaccine
How is hepatitis B spread?
IV drug use
Sexual contact
What is the onset like of hepatitis B?
insidious
How long is the incubation period of hepatitis B?
60-180 days before they may or may not show symptoms
How many patients who are infected with hepatitis B will develop chronic hepatitis B?
About 10%
Hepatitis be is a severe disease and may have a…
prolonged course
Who can get hepatitis B?
Anyone
What are 3 ways to prevent hepatitis B?
HBV vaccine
Safe sex
Hygiene
If hepatitis B becomes chronic, what are 2 complications that can happen?
Liver Cancer
Liver failure
What is associated with both liver cancer and liver failure?
cirrhosis of the liver
How is hepatitis C spread?
Parenteral Sexual Mother to fetus Medical mistakes Sharing toothbrushes or razors
What is the onset like of hepatitis C?
Insidious
What are the severity of the symptoms of hepatitis C?
Mild to severe
What percent of patients with hepatitis C will develop chronic hepatitis?
80%
Who can get hepatitis C?
Anyone
What is important to note about hepatitis C?
There is no vaccine
What are the symptoms of hepatitis C? (4)
No symptoms
Stomach pain
Vomiting
Jaundice
What does hepatitis C not spread through? (2)
Breast feeding
Insect bites
What does hepatitis C lead to? (2)
Hepatocellular carcinoma
Need for liver transplant
How is hepatitis C prevented? (3)
Do not participate in high risk activities
Screen blood
hygiene
What is the dosing for the hepatitis A vaccine?
2 doses 6 months apart
What is the recommendation for getting the hepatitis A vaccine?
All children beginning at 12 months
Special high risk populations
What is the dosing for the hepatitis B vaccine?
3 doses at least 4 months apart
Who is recommended to get the hepatitis B vaccine?
All infants beginning as newborns
What are the two classes of drugs for chronic hepatitis B?
Interferons
Nucleoside analogs
Why are there 2 classes of drugs we use to treat chronic hepatitis B?
Because the virus has mutated causing certain strains to be resistant to treatments
Treatment for chronic hepatitis B is reserved for those who are…
high-risk patients that are showing liver damage
What are 3 indicators of a high-risk patient in need of hepatitis B treatment?
Elevated AST levels
Hepatic inflammation
Advanced fibrosis
What are the disadvantages of treating hepatitis B?
Prolonged therapy
Costs and adverse effects
High relapse
The adverse side effects of chronic hepatitis b drugs are…
Interfere with a lot of drugs patients may take for other conditions
tone of side effects
For hepatitis C, who is treatment recommended for?
Only those with chronic disease, but this concept is changing with the introduction of newer drugs
Hepatitis C is NOW…
Easily treatable and eliminated in most all patients
What is chronic hepatitis C treated with?
direct-acting antiviral therapy
What else might you see being added to the regimen for treatment of hepatitis C? (2)
Interferon-based regiments
Nucleoside analogue
Direct-acting antiviral therapy drugs are very expensive but…
Because they work so well they are considered cost beneficial
Can a patient with active/chronic hepatitis take Tylenol?
Yes but it is recommended that they take less than 2g a day
What is the maximum daily recommendation of Tylenol for someone who does not have liver damage?
4g
If someone has advanced liver disease we would want to avoid…
Tylenol and NSAIDs
What is pegylated interferon-alpha is used for what?
Hep B
Ribavirin is used for what?
Hep B