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  • Title: Periventricular intraparenchymal cystic lesions: critical determinant of neurodevelopmental outcome in preterm infants.
    Author: Zorzi C, Angonese I, Zaramella P, Benini F, Dalla Barba B, Cavedagni M, Melli R, De Carolis G.
    Journal: Helv Paediatr Acta; 1988 Nov; 43(3):195-202. PubMed ID: 2464559.
    Abstract:
    During a four-year period, 154 surviving preterm infants of 32 weeks gestation or less were prospectively examined by cerebral ultrasound for periventricular-intraparenchymal cystic lesions (IPCL) subsequent to ischemic and/or haemorrhagic damage. Neurological and developmental outcome was assessed with examinations at 0, 3, 6, 12, 18, 24, 36, 48 months of age corrected for prematurity. Twenty-four (15.5%) patients were found to have IPCL changes at ultrasound. In 8 cases, a porencephalic cyst subsequent to grade IV IVH (Papile's classification) was found; all had cerebral palsy and severe developmental deficit was present in 4. Diffuse bilateral PVL was found in 8 cases: 1 was not evaluable, 7 developed cerebral palsy; the developmental delay was severe in 4, moderate in 2 patients, and only 1 was normal. Four patients had localized bilateral PVL: 3 patients had mild diplegia and 1 was normal; the developmental outcome was normal only in 1 case, 1 had a severe cognitive delay, and 2 were moderate. In the remaining 4 cases, the ultrasound showed a monolateral localized PVL: 1 patient had mild diplegia and moderate cognitive delay, 3 were normal. - This study confirms the important role of the ultrasonographic diagnosis of IPCL in preterm infants to foresee later neurodevelopmental outcome. Extensive parenchymal lesions were strongly associated with major neurodevelopmental handicaps, while localized and small lesions were correlated with more favorable neurological as well as developmental prognosis.
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