Correlation Between White Matter Lesions and Intelligence Quotient in Patients With Congenital Cytomegalovirus Infection - 06/02/16
, Mitsuo Motobayashi, MD, PhD a, Makoto Nishioka, MD a, Tomoki Kaneko, MD, PhD b, Shoko Yamauchi, MD a, Yoichiro Kawasaki, MD a, Naoko Shiba, MD, PhD a, Shin-ya Nishio, PhD c, Hideaki Moteki, MD, PhD c, Maiko Miyagawa, MD, PhD c, Yutaka Takumi, MD, PhD c, Shin-ichi Usami, MD, PhD c, Kenichi Koike, MD, PhD aAbstract |
Background |
It is well known that congenital cytomegalovirus infection exhibits white matter and other types of lesions in magnetic resonance imaging (MRI), but little is known on the clinical significance of white matter lesions because they are also present in asymptomatic congenital cytomegalovirus infection. We investigated for relationships among white matter lesions, intelligence quotient, and other neurodevelopmental features.
Methods |
Nine children (five boys and four girls; mean age: 87.4 months, range: 63-127 months) with sensorineural hearing loss (five bilateral and four unilateral) had been diagnosed as having congenital cytomegalovirus infection by positive polymerase chain reaction findings of dried umbilical cords. They were evaluated for the presence of autistic features, tested using Wechsler Intelligence Scale for Children–Fourth Edition for intelligence quotient, and underwent brain MRI to measure white matter lesion localization and volume.
Results |
At the time of MRI examination (mean age: 69.4 months, range: 19-92 months), white matter lesions were detected in eight of nine patients. Five subjects were diagnosed as having autism spectrum disorders. We observed increased white matter lesion volume was associated with lower intelligence quotient scores (R2 = 0.533, P = 0.026) but not with autism spectrum disorders.
Conclusions |
In individuals with congenital cytomegalovirus, an increased white matter lesion volume is associated with lower intelligence quotient scores but not with an increased likelihood of autistic behavior.
El texto completo de este artículo está disponible en PDF.Keywords : autism spectrum disorders, brain magnetic resonance imaging, congenital cytomegalovirus infection, intelligence quotient, white matter lesion
Esquema
| Financial Disclosure: The authors have indicated they have no financial relationships relevant to this study to disclose. |
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| Conflict of Interest: The authors have indicated they have no potential conflicts of interest to disclose. |
Vol 55
P. 52-57 - février 2016 Regresar al número
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