Which crisis in sickle cell anemia is caused by parvovirus B19?

Which crisis in sickle cell anemia is caused by parvovirus B19?

Parvovirus B19 infection causes transient aplastic crisis in sickle cell disease (SCD) due to a temporary interruption in the red blood cell production.

How does human parvovirus B19 infection lead to anemia?

Human parvovirus B19 (B19) infection causes human bone marrow failure, by affecting erythroid-lineage cells which are well-known target cells for B19.

Which virus is known as fifth disease and affiliated with sickle cell anemia?

The cause of fifth disease is the human parvovirus -B19. This same virus is also associated with other disorders including aplastic anemia, polyarthropathy, and hydrops fetalis.

How does parvovirus B19 cause aplastic anemia?

As stated before, proteins of parvovirus B19 are expressed even in marrow cells other than erythroid progenitors where viral propogation takes place. Direct cytotoxicity by these viral proteins causes destruction of marrow elements.

What are the symptoms of Parvo in humans?

What are the symptoms of a parvovirus infection?

• Swollen joints (more common in adults).
• Painful joints (more common in adults).
• Fatigue.
• Low-grade fever.
• Headache.
• Upset stomach.
• Arthritis (some cases have caused chronic arthritis or even rheumatoid arthritis).

Can parvovirus B19 cause anemia?

Parvovirus B19 infection can trigger an acute cessation of red blood cell production, causing transient aplastic crisis, chronic red cell aplasia, hydrops fetalis, or congenital anemia.

Can parvovirus cause aplastic anemia?

Human parvovirus B19 (B19 virus) infection is known to induce aplastic crisis in patients with hemolytic anemia. In healthy subjects, B19 infection may sometimes cause mild pancytopenia, but these changes are transient and recovery is spontaneous.

Can parvovirus infect humans?

Parvovirus B19 infects only humans. You can have a range of symptoms depending on your age and overall health. About two out of 10 people who get infected with this virus will have no symptoms. Others may have only mild, rash illness.