Part 2 of our TORCH series discusses CMV, the most common infectious cause of hearing loss in the US.

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This episode was written by Dr. Tammy Yau and Dr. Lidia Park, with content support from Dr. Dean Blumberg. Drs. Tammy and Lidia take full responsibility for any errors or misinformation.

Key points:

-Findings include blueberry muffin rash, microcephaly, periventricular calcifications, sensorineural hearing loss, and jaundice.

-Infection persists lifelong and treatment with valganciclovir is meant to prevent long term sequelae

-Monitor for myelosuppression with treatment.

-Frequent hearing screening is needed.

Sources:

AAP Red Book CMV chapter

Fowler KB, Boppana SB. Congenital cytomegalovirus infection. Semin Perinatol. 2018 Apr;42(3):149-154. doi: 10.1053/j.semperi.2018.02.002. Epub 2018 Mar 2. PMID: 29503048.