A descriptive overview of cases of congenital cytomegalovirus at a tertiary hospital between 2017 and 2023

Introduction. Cytomegalovirus infection (CMV) is the most common congenital infection in developed countries. The aim of our study was to describe the features of the children that have congenital CMV infection at our hospital for the last 6 years. Material and methods. . A retrospective descriptive study was designed that included all the children with CMV congenital infection that were diagnosed at tertiary hospital of Madrid Community between 2017 and 2023. Results. Twenty-two children were included. 54.5% have a prenatal diagnosis, 50% of them were in the third trimester, 25% at first trimester and 25% at the second. 22.7% were pre- term. CMV was isolated in all the samples with CV more than 1000 copies/ml. When CMV was made in blood, 11/22 (50%) had a high CV. Only one newborn had a high CV at CRL. 44% have affectation at transfontanellar ultrasound evidenced by vasculopathy (62%), intraventricular hemorrhage (IVH) or periventricular calcifications (20%). 68% were asymptomatic, al-though 20% had a retarded intrauterine growth (RIG) at birth or clinical features or analytical were objectified (neutropenia, thrombocytopenia, cholestasis). 33% got treatment with valganciclovir and 33% had sequelae (hearing loss). Conclusions. CMV congenital infection is still a severe public health issue in developed countries. Most of the cases are mild or asymptomatic even though we should have high clinical suspicion with compatible symptoms and consistent maternal history in order to make an early diagnosis and treatment to prevent or reduce sequelae.