September

Neu N Torch Infections Clinics in Perinatology 2015

Maniklal S Global Burden of Congenital Cmv Clin Micro Reviews 2013

Mo Y Zika virus: review for clinicians Brit Med Bulletin 2016

 

CONGENITAL INFECTIONS

 TORCH Infections

Neu N, et al. Clinics in Perinatology 2015; 42: 77-43

  • What are the “expanded” TORCH infections?
  • What are the forms of the toxoplasmosis parasite, and what tissues do the tachyzoite invade and form cysts?
  • What are the typical clinical manifestations of congenital toxoplasmosis?
  • Can infection with toxoplasmosis progress after birth?
  • What is the treatment for toxoplasmosis, for mother and infant?
  • Describe the clinical features of congenital syphilis
  • What does the VDRL and RPR tests detect, and explain why they are non-specific. What are more specific tests?  What is the prozone effect?
  • When are the two highest risk periods for a foetus developing congenital rubella syndrome (CRS)?
  • What cardiac lesions are seen with CRS? What other TORCH infections can lead to cardiac lesions?
  • Which TORCH infections are associated with hearing loss?
  • For how long is an infant with CRS considered contagious?
  • What diagnostic tests can confirm CRS?
  • What are the clinical features of foetal parvovirus B19 infection? Why is anaemia so common in parvovirus infections?
  • What factors increase the risk of perinatal HIV transmission?
  • At what age should HIV-exposed infants be tested with an HIV nucleic acid test (e.g. DNA PCR) to be reliably negative?
  • What stage in pregnancy does most Hepatitis B transmission occur?
  • What proportion of infants infected with Hepatitis B perinatally develop chronic hepatitis B?
  • What is the ideal preventative treatment for newborn known to be Hepatitis B exposed?

 

The “Silent” Global Burden of Congenital CMV

Manicklal S, et al. Clinical Microbiology Reviews 2013; 26: 86-100

  • It used to be thought that only mothers with primary CMV are at risk of having a newborn with congenital CMV. Is this true?  And what implications does this have for countries like PNG?
  • What clinical features would make you suspect maternal primary CMV infection (primary infection in a pregnant woman)?
  • What is the commonest complication of congenital CMV? What are the other clinical features?
  • What are the risk factors for CMV transmission in pregnancy?
  • What is the treatment for symptomatic CMV infection in the newborn? What are the benefits and what are the side-effects of this treatment?

 

Zika virus – a review for clinicians

Mo Y, et al.  British Medical Bulletin, 2016; June: 1-12

  • When was Zika virus first discovered?
  • What are the vectors for Zika and what other viruses share these vectors?
  • What countries in Oceania are known to have Zika virus?
  • What are the known modes of transmission of Zika virus?
  • What are the clinical features of Zika virus infection, and how do these clinical features differ from those caused by other viruses carried by the same vectors?
  • Besides microcephaly identified in Brazil, what are the other neurological manifestations of Zika virus infection
  • What are the diagnostic tests for Zika virus and what are the problems with these tests?

 

September 2016 Q&A Congenital Infections