Intro to Hepatitis Viruses Flashcards
Are hepatitis viruses closely evolutionarily related to each other?
no
What is similar among hepatitis viruses?
symptoms
all infect hepatocytes
Which hepatitis viruses can cause acute infections? How are these treated?
all of them
supportive care
What is the transmission route of hepatitis A?
fecal-oral
What are the transmission routes of Hepatitis B and C?
sex
birth
blood
What are the serology diagnoses for Hep A?
IgM = acute IgG = recovered/vaccinated
What is the serology diagnoses for Hep B?
- viral surface antigen = acute
- IgG against viral surface antigen = recovered/vaccianted
What are the serology diagnoses for Hep C?
EIA = real or false + RIBA = confirmation
What can acute infection with Hep B And C lead to?
cirrhosis and/or cancer
How is cirrhoses or cancer, caused by acute Hep B/C, treated?
polymerase inhibitors + IFN
What are the problems with polymerase inhibitors + IFN used to treat cirrhoses or cancer, caused by acute Hep B/C?
side effects
often ineffective
What two classes of drugs are replacing treatment of cirrhoses or cancer, caused by acute Hep B/C, with polymerase inhibitors + IFN?
- first gen protease inhibitors (for serotype 1)
- second gen antivirals
_______ and uncertain _______ for chronic Hep B&C invites competition from _______ medicine
grueling treatment
prognosis
alternative
What must be taken into account if using alternative medicine to treat chronic Hep B&C?
what patient is doing and consuming
is it happening with or instead of prescribed treatment