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Is lenticulostriated vasculopathy an unfavorable prognostic finding in infants with congenital cytomegalovirus infection?
Journal of Clinical Virology 2017 June
BACKGROUND: Lenticulostriated vasculopathy (LSV) detected in head ultrasound (HUS) has been related to neurological and hearing sequelae in infants with congenital cytomegalovirus (cCMV) infection.
OBJECTIVE: To assess the role of LSV in predicting neurodevelopmental and hearing outcomes in infants with cCMV infection.
STUDY DESIGN: We enrolled consecutive infants who were affected by cCMV infection and underwent HUS within the first month of life. Data on clinical onset and course, laboratory findings, visual/hearing functions and neurodevelopmental outcome were collected. As controls, infants with suspected intrauterine exposure to Toxoplasma and with no confirmed congenital toxoplasmosis were considered.
RESULTS: Data from 161 infants with cCMV infection (105 symptomatic) and 133 controls were analyzed. HUS was normal in 66 (41%) cCMV patients. Among these, 28 (42.4%) were symptomatic and 38 (57.6%) asymptomatic infants. The percentage of patients with no HUS abnormalities was higher in asymptomatic (38/56, 67.9%) than in symptomatic infants (28/105, 26.7%) (p<0.05). LSV, as isolated or associated with other brain abnormalities, was diagnosed in 64/161 (39.7%) patients with cCMV compared to 24/133 (18%) controls (p<0.05). In cCMV group, LSV was found in 51 (48.6%) symptomatic infants and in 13 (72.2%) asymptomatic patients (p>0.05). Overall, in the whole population of 95 patients with cCMV and abnormal HUS results, LSV (alone or with other findings) did not represent a risk factor for unfavorable neurological and hearing outcome. Similar results were obtained when we limited the analysis to the group of symptomatic cCMV patients.
CONCLUSIONS: Although LSV is a common HUS finding in infants with cCMV infection, its presence is not predictive of an adverse outcome. Our data suggest that HUS as a single neuroimaging investigation is unreliable in selecting candidates to antiviral therapy, mainly in presence of LSV as isolated finding.
OBJECTIVE: To assess the role of LSV in predicting neurodevelopmental and hearing outcomes in infants with cCMV infection.
STUDY DESIGN: We enrolled consecutive infants who were affected by cCMV infection and underwent HUS within the first month of life. Data on clinical onset and course, laboratory findings, visual/hearing functions and neurodevelopmental outcome were collected. As controls, infants with suspected intrauterine exposure to Toxoplasma and with no confirmed congenital toxoplasmosis were considered.
RESULTS: Data from 161 infants with cCMV infection (105 symptomatic) and 133 controls were analyzed. HUS was normal in 66 (41%) cCMV patients. Among these, 28 (42.4%) were symptomatic and 38 (57.6%) asymptomatic infants. The percentage of patients with no HUS abnormalities was higher in asymptomatic (38/56, 67.9%) than in symptomatic infants (28/105, 26.7%) (p<0.05). LSV, as isolated or associated with other brain abnormalities, was diagnosed in 64/161 (39.7%) patients with cCMV compared to 24/133 (18%) controls (p<0.05). In cCMV group, LSV was found in 51 (48.6%) symptomatic infants and in 13 (72.2%) asymptomatic patients (p>0.05). Overall, in the whole population of 95 patients with cCMV and abnormal HUS results, LSV (alone or with other findings) did not represent a risk factor for unfavorable neurological and hearing outcome. Similar results were obtained when we limited the analysis to the group of symptomatic cCMV patients.
CONCLUSIONS: Although LSV is a common HUS finding in infants with cCMV infection, its presence is not predictive of an adverse outcome. Our data suggest that HUS as a single neuroimaging investigation is unreliable in selecting candidates to antiviral therapy, mainly in presence of LSV as isolated finding.
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