Congenital Cytomegalovirus Infection: Association between Virus Burden in Infancy and Hearing Loss

To determine the relationship between the virus burden in infancy and hearing loss in congenital CMV infection. A cohort of 76 infants with congenital cytomegalovirus (CMV) infection identified by means of newborn virologic screening was monitored for outcome. The amount of infectious CMV was analyz...

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Veröffentlicht in:The Journal of pediatrics 2005-06, Vol.146 (6), p.817-823
Hauptverfasser: Boppana, Suresh B., Fowler, Karen B., Pass, Robert F., Rivera, Lisa B., Bradford, Russell D., Lakeman, Fred D., Britt, William J.
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container_end_page 823
container_issue 6
container_start_page 817
container_title The Journal of pediatrics
container_volume 146
creator Boppana, Suresh B.
Fowler, Karen B.
Pass, Robert F.
Rivera, Lisa B.
Bradford, Russell D.
Lakeman, Fred D.
Britt, William J.
description To determine the relationship between the virus burden in infancy and hearing loss in congenital CMV infection. A cohort of 76 infants with congenital cytomegalovirus (CMV) infection identified by means of newborn virologic screening was monitored for outcome. The amount of infectious CMV was analyzed in urine specimens obtained during early infancy. Peripheral blood (PB) samples obtained during early infancy were available from 75 children and CMV DNA was quantitated with a real-time quantitative polymerase chain reaction. Infants with clinical abnormalities at birth (symptomatic congenital CMV infection) had higher amounts of CMV in urine ( P = .005) and CMV DNA in PB ( P = .001) than infants with no symptoms. Eight children with and 4 children without symptoms had hearing loss. Among children without symptoms, those with hearing loss had a significantly greater amount of CMV in urine ( P = .03) and PB virus burden ( P = .02) during infancy than those with normal hearing. Infants with
doi_str_mv 10.1016/j.jpeds.2005.01.059
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A cohort of 76 infants with congenital cytomegalovirus (CMV) infection identified by means of newborn virologic screening was monitored for outcome. The amount of infectious CMV was analyzed in urine specimens obtained during early infancy. Peripheral blood (PB) samples obtained during early infancy were available from 75 children and CMV DNA was quantitated with a real-time quantitative polymerase chain reaction. Infants with clinical abnormalities at birth (symptomatic congenital CMV infection) had higher amounts of CMV in urine ( P = .005) and CMV DNA in PB ( P = .001) than infants with no symptoms. Eight children with and 4 children without symptoms had hearing loss. Among children without symptoms, those with hearing loss had a significantly greater amount of CMV in urine ( P = .03) and PB virus burden ( P = .02) during infancy than those with normal hearing. Infants with &lt;5 × 10 3 pfu/mL of urine CMV and infants with &lt;1 × 10 4 copies/mL of viral DNA in PB were at a lower risk for hearing loss. In children with asymptomatic congenital CMV infection, hearing loss was associated with increased amounts of urine CMV and PB CMV DNA during early infancy.</description><identifier>ISSN: 0022-3476</identifier><identifier>EISSN: 1097-6833</identifier><identifier>DOI: 10.1016/j.jpeds.2005.01.059</identifier><identifier>PMID: 15973325</identifier><identifier>CODEN: JOPDAB</identifier><language>eng</language><publisher>New York, NY: Mosby, Inc</publisher><subject>Audiometry ; Biological and medical sciences ; Cytomegalovirus Infections - complications ; Cytomegalovirus Infections - congenital ; Cytomegalovirus Infections - urine ; DNA, Viral - blood ; Ear, auditive nerve, cochleovestibular tract, facial nerve: diseases, semeiology ; Evoked Potentials, Auditory, Brain Stem ; Female ; Follow-Up Studies ; General aspects ; Hearing Loss, Sensorineural - virology ; Humans ; Infant ; Male ; Medical sciences ; Non tumoral diseases ; Otorhinolaryngology. 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A cohort of 76 infants with congenital cytomegalovirus (CMV) infection identified by means of newborn virologic screening was monitored for outcome. The amount of infectious CMV was analyzed in urine specimens obtained during early infancy. Peripheral blood (PB) samples obtained during early infancy were available from 75 children and CMV DNA was quantitated with a real-time quantitative polymerase chain reaction. Infants with clinical abnormalities at birth (symptomatic congenital CMV infection) had higher amounts of CMV in urine ( P = .005) and CMV DNA in PB ( P = .001) than infants with no symptoms. Eight children with and 4 children without symptoms had hearing loss. Among children without symptoms, those with hearing loss had a significantly greater amount of CMV in urine ( P = .03) and PB virus burden ( P = .02) during infancy than those with normal hearing. Infants with &lt;5 × 10 3 pfu/mL of urine CMV and infants with &lt;1 × 10 4 copies/mL of viral DNA in PB were at a lower risk for hearing loss. In children with asymptomatic congenital CMV infection, hearing loss was associated with increased amounts of urine CMV and PB CMV DNA during early infancy.</description><subject>Audiometry</subject><subject>Biological and medical sciences</subject><subject>Cytomegalovirus Infections - complications</subject><subject>Cytomegalovirus Infections - congenital</subject><subject>Cytomegalovirus Infections - urine</subject><subject>DNA, Viral - blood</subject><subject>Ear, auditive nerve, cochleovestibular tract, facial nerve: diseases, semeiology</subject><subject>Evoked Potentials, Auditory, Brain Stem</subject><subject>Female</subject><subject>Follow-Up Studies</subject><subject>General aspects</subject><subject>Hearing Loss, Sensorineural - virology</subject><subject>Humans</subject><subject>Infant</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Non tumoral diseases</subject><subject>Otorhinolaryngology. 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Infants with &lt;5 × 10 3 pfu/mL of urine CMV and infants with &lt;1 × 10 4 copies/mL of viral DNA in PB were at a lower risk for hearing loss. In children with asymptomatic congenital CMV infection, hearing loss was associated with increased amounts of urine CMV and PB CMV DNA during early infancy.</abstract><cop>New York, NY</cop><pub>Mosby, Inc</pub><pmid>15973325</pmid><doi>10.1016/j.jpeds.2005.01.059</doi><tpages>7</tpages></addata></record>
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subjects Audiometry
Biological and medical sciences
Cytomegalovirus Infections - complications
Cytomegalovirus Infections - congenital
Cytomegalovirus Infections - urine
DNA, Viral - blood
Ear, auditive nerve, cochleovestibular tract, facial nerve: diseases, semeiology
Evoked Potentials, Auditory, Brain Stem
Female
Follow-Up Studies
General aspects
Hearing Loss, Sensorineural - virology
Humans
Infant
Male
Medical sciences
Non tumoral diseases
Otorhinolaryngology. Stomatology
Polymerase Chain Reaction
Prospective Studies
Viral Load
title Congenital Cytomegalovirus Infection: Association between Virus Burden in Infancy and Hearing Loss
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