References

Koskinen R, Meriläinen J, Gissler M & Virtanen M (1999) Finnish Perinatal Statistics 1997-1978. National Research and Development Centre for Welfare and Health (STAKES), Helsinki.

Bregman J & Kimberlin LVS (1993) Developmental outcome in extremely premature infants. Pediatr Clin North Am 937-953.

Cartlidge PHT & Steward JH (1997) Survival of very low birthweight and very preterm infants in a geographically defined population. Acta Paediatr 86: 105-110.

Svenningsen NW, Björklund K & Lindroth M (1997) Changing trend in perinatal management and outcome of extremely low birthweight (ELBW) infants. Acta Paediatr 422: 89-91.

Lemons JA, Bauer CR, Oh W, Korones SB, Papile L-A, Stoll BJ, Verter J, Temprosa M, Wright LL, Ehrenkranz RA, Fanaroff AA, Stark A, Carlo W, Tyson JE, Donovan EF, Shankaran S & Stevenson DK (2001) Very low birth weight outcomes of the National Institute of Child Health and Human Development Neonatal Research Network, January 1995 through December 1996. Pediatrics 107 (1): URL: http://www.pediatrics.org/cgi/content/full/107/1/e1.

Leonard CH & Piecuch RE (1997) School age outcome in low birth weight preterm infants. Semin Perinatol 21:240-253.

Hack M & Fanaroff AA (2000) Outcomes of children of extremely low birthweight and gestational age in the 1990s. Semin Neonatol 5: 89-106.

Lee K, Kim B, Khosnood B, Hsieh H, Chen T-J, Herschel M & Mittendorf R (1995) Outcome of very low birth weight infants in industrialized countries: 1947-1987. Am J Epidemiol 141: 1188-1193.

Finnström O, Otterblad Olausson P, Sedin G, Serenius F, Svenningsen N, Thiringer K, Tunell R & Wesström G (1998) Neurosensory outcome and growth at three years in extremely low birthweight infants: Follow-up results from the Swedish national prospective study. Acta Paediatr 87: 1055-1060.

Vohr BR & Msall ME (1997) Neuropsychological and functional outcomes of very low birth weight infants. Semin Perinatol 21: 202-220.

O´Shea TM, Preisser JS, Klinepeter KL & Dillard RG (1998) Trends in mortality and cerebral palsy in a geographically based cohort of very low birth weight neonates born between 1982 to 1994. Pediatrics 101: 642-647.

Cooke RWI (1999) Trends in incidence of cranial ultrasound lesions and cerebral palsy in very low birthweight infants 1982-93. Arch Dis Child Fetal Neonatal Ed 80: F115-F117.

The International Neonatal Network, Scottish Neonatal Consultants, Nurses Collaborative Study Group (2000) Risk adjusted and population based studies of the outcome for high risk infants in Scotland and Australia. Arch Dis Child Fetal Neonatal Ed 82: F118-F123.

Tommiska V, Heinonen K, Ikonen Sami, Kero Pentti, Pokela M-L, Renlund M, Virtanen M & Fellman V (2001) A national short-term follow-up study of extremely low birth weight infants born in Finland in 1996-1997. Pediatrics 107 (1): URL: http://www.pediatrics.org/cgi/content/full/107/1/e2.

Colver AF, Gibson M, Hey EN, Jarvis SN, Mackie PC & Richmond R for the North of England Collaborative Cerebral Palsy Survey (2000) Increasing rates of cerebral palsy across the severity spectrum in north-east England 1964-1993. Arch Dis Child Fetal Neonatal Ed 83: F7-F12.

Hack M, Wilson-Costello D, Friedman H, Taylor GH, Schluchter M & Fanaroff AA (2000) Neurodevelopment and predictors of outcomes of children with birth weights of less than 1000 g 1992-1995. Arch Pediatr Adolesc Med 154: 725-731.

Wood NS, Marlow N, Costeloe K, Gibson AT & Wilkinson AR (2000) Neurologic and developmental disability after extremely preterm birth. EPICure Study Group. N Engl J Med 343: 429-430.

Escobar GJ, Littenberg B & Petitti DB (1991) Outcome among surviving very low birthweight infants: A meta-analysis. Arch Dis Child 66: 204-211.

Borradori C, Fawer C-L, Buclin T & Calame A (1997) Risk factors of sensorineural hearing loss in preterm infants. Biol Neonate 71: 1-10.

Holt J, Weidle B, Kaaresen PI, Fundingsrud HP & Dahl LB (1998) Very low birthweight infants: Outcome in a sub-Arctic population. Acta Paediatr 87: 446-451.

Dunin-Wsowicz D, Rowecka-Trzebicka K, Milewska-Bobula B, Kassur-Siemieñska B, Bauer A, Idzik M, Lipka B & Marciñski P (2000) Risk factors for cerebral palsy in very low birthweight infants in the 1980s and 1990s. J Child Neurol 15: 417-420.

Olsen P, Vainionpää L, Pääkkö E, Korkman M, Pyhtinen J & Järvelin M-R (1998) Psychological findingds in preterm children related to neurologic status and magnetic resonance imaging. Pediatrics 102: 329-336.

Stewart AL, Rifkin L, Amess PN, Kirbride V, Townsend JP, Miller DH, Lewis SW, Kingsley DPE, Moseley IF, Foster O & Murray RM (1999) Brain structure and neurocognitive and behavioural function in adolescents who were born very preterm. Lancet 353: 1653-1657.

Stjernquist K & Svenningsen NW (1999) Ten-year follow-up of children born before 29 gestational weeks: health, cognitive development, behaviour and school achievement. Acta Pediatr 88: 557-562.

Saigal S (2000) Follow-up of very low birth weight babies to adolescence. Semin Neonatol 5: 107-118.

Weindling AM (2000) Intervention after brain injury to reduce disability. Semin Neonatol 5: 53-60.

Volpe JJ (1995) Neurological evaluation; Hypoxic-ischemic encephalopathy; and Intracranial hemorrhage. In: JJ Volpe (ed) Neurology of the newborn. Third edition. W.B. Sounders Company, Philadelphia, Pennsylvania p 95-463.

Mercuri E, von Siebenthal K, Daniëls H, Guzzetta F & Casaer P (1994) Multimodality evoked responses in the neurological assessment of the newborn. Eur J Pediatr 153: 622-631.

De Vries LS (1996) Neurological assessment of the preterm infant. Acta Paediatr 85: 765-771.

Ylppö A (1913) Icterus Neonatorum und Gallenfarbstoffsekretion beim Foetus und Neugeboren. Zeitschrift für Kinderheilkunde 9:208-374.

Perinatal Audit (1996): A report produced for the European Association of Perinatal Medicine. Prenatal and Neonatal Med 1: 162-194.

ICD-10 Tautiluokitus (1999) Finnish version of the International Statistical Classification of Diseases and Related Health Problems, Tenth Revision in Geneva 1992 Sosiaali- ja terveysalan tutkimus- ja kehittämiskeskus. 2nd Ed. Ro-Offset Oy Turenki, p 255-258, 302-304, 338-339, 564-565.

WHO (1980) International classification of impairments, disabilitities and handicaps. Geneva, WHO.

Hagberg B, Hagberg G & Olow I (1975) The changing panorama of cerebral palsy in Sweden 1954-1970. Acta Paediatr Scand 64:187-192.

Hagberg B & Hagberg G (1993) The origins of cerebral palsy. Recent advantages in Paediatrics 11: 67-83.

Lindström K & Bremberg (1997) The contribution of developmental surveillance to early detection of cerebral palsy. Acta Paediatr 86: 736-739.

Stewart A & Kirkbride V (1996) Very preterm infants at fourteen years: Relationship with neonatal ultrasound brain scans and neurodevelopmental status at one year. Acta Paediatr 416: 44-47.

Vohr BR, Wright LL, Dusick AM, Mele L, Verter J, Steichen JJ, Simon NP, Wilson DC, Broyles S, Bauer CR, Delaney-Black V, Yolton KA, Fleisher BE, Papile L-A & Kaplan MD (2000) Neurodevelopmental and functional outcomes of extremely low birth weight infants in the National Institute of Child Health and Human Development Neonatal Research Network, 1993-1994. Pediatrics 105: 1216-1226.

WHO (1991) Grades of hearing impairment. Hearing Network News no 1, September.

Volpe JJ (1998) Neurologic outcome of prematurity; Neurological review. Arch Neurol 55: 297-300.

Pharoah POD, Cooke T, Johnson MA, King R & Mutch L (1998) Epidemiology of cerebral palsy in England and Scotland, 1984-9. Arch Dis Child Fetal Neonatal Ed 79: F21-F25.

Doyle LW for The Victorian Infant Collaborative Study Group (1997) Improvind outcome into the 1990s for infants weighting 500-999 g at birth. Arch Dis Child Fetal Neonatal Ed 77: F91-F94.

Piecuch RE, Leonard CH & Cooper BA (1998) Infants with birth weight 1,000-1,499 grams born in three time periods: Has outcome changed over time? Clin Pediatr 37: 537-546.

Järvenpää A-L, Virtanen M & Pohjavuori M (1991) The outcome of extremely low birthweight infants. Ann Med 23: 699-704.

Lago P, Freato F, Bettiol T, Chiandetti L, Vianello A & Zaramella P (1999) Is the CRIP score (clinical risk index for babies) a valid tool in predicting neurodevelopmental outcome in extremely low birth weight infants? Biol Neonate 76: 220-227.

Hagberg B, Hagberg G, Olow I & von Wendt L (1996) The changing panorama of cerebral palsy in Sweden. VI. Prevalence and origin in the birth year period 1987-90. Acta Paediatr 85: 954-60.

Salokorpi T, Rajantie I, Viitala J, Rita H & von Wendt L (1999) Does perinatal hypocarbia play a role in the pathogenesis of cerebral palsy? Acta Paediatr 88: 571-575.

Salokorpi T, Sajaniemi N, Hällback H, Kari A, Rita H & von Wendt L (1997) Randomized study of the effect of antenatal dexamethasone on growth and development of premature children at the corrected age of 2 years. Acta Paediatr 86: 294-298.

Spinillo A, Capuzzo E, Orcesi S, Stronati M, Di Mario M & Fazzi E (1997) Antenatal and delivery risk factors simultaneously associated with neonatal death and cerebral palsy in peterm infants. Early Hum Dev 48: 81-91.

Heiser A, Grimmer I, Metze B & Obladen M (1995) Parent’s estimation of psychomotor development in very low birthweight (VLBW) infants. Early Hum Dev 42: 131-139.

Bührer C, Grimmer I, Metze B & Obladen M (2000) The CRIB (clinical risk index for babies) score and neurodevelopmental impairment at one year corrected age in very low birth weight infants. Intensive Care Med 26: 325-329.

Marlow ES, Hunt LP & Marlow N (2000) Sensorineural hearing loss and prematurity. Arch Dis Child Fetal Neonatal Ed 82: F141-F144.

Herrgård E, Karjalainen S, Martikainen A & Heinonen K (1995) Hearing loss at the age of 5 years of children born preterm- a matter of definition. Acta Paediatr 84: 1160-1164.

Veen S, Sassen ML, Schreuder AM, Ens-Dokkum MH, Verloove-Vanhorick SP, Brand R, Grote JJ & Ruys JH (1993) Hearing loss in very preterm and very low birthweight infants at the age of 5 years in a nationwide cohort. Int J Pediatr Otorhinolaryngol 26: 11-28.

Murphy DJ, Squier MV, Hope PL, Sellers S & Johnson A (1996) Clinical associations and time of onset of cerebral white matter damage in very preterm babies. Arch Dis Child Fetal Neonatal Ed 75: F27-F32.

Paneth N, Rudelli R, Kazam E & Monte W (1994) Brain damage in the preterm infant. Clinics in developmental medicine No.131. Mac Keith press by The Spastics Society, London, England.

Volpe JJ (1997) Brain injury in the premature infant. Neuropathology, clinical aspects, pathogenesis, and prevention. Clin Perinatol 24: 567-587.

Takashima S, Iida K & Deguchi K (1995) Periventricular leukomalacia, glial development and myelination. Early Hum Dev 43: 177-184.

Perlman JM (1998) White matter injury in the preterm infant: An important determination of abnormal neurodevelopment outcome. Early Hum Dev 53: 99-120.

Boylan GB, Young K, Panerai RB, Rennie JM & Evans DH (2000) Dynamic cerebral autoregulation in sick newborn infants. Pediatr Res 48: 12-17.

Inder TE & Volpe JJ (2000) Mechanisms of perinatal brain injury. Semin Neonatol 5:3-16.

Greisen G (1992) Ischaemia of the preterm brain. Biol Neonate 62: 243-247.

Guzzetta F (1991) Ischemic and hemorrhagic cerebral lesions of the newborn. Childs Nerv Syst 7: 417-424.

Miyawaki T, Matsui K & Takashima S (1998). Developmental characteristics of vessel density in the human fetal and infant brains. Early Hum Dev 53: 65-72.

Børch K & Greisen G (1998) Blood flow distribution in the normal human preterm brain. Pediatr Res 43: 28-33.

Coughtrey H, Rennie JM & Evans DH (1992) Postnatal evolution of slow variability in cerebral blood flow velocity. Arch Dis Child 67: 412-415.

Anthony MY, Evans DH & Levene MI (1993) Neonatal cerebral blood flow velocity responses to changes in posture. Arch Dis Child 69: 304-308.

Rubinstein M, Denays R, Ham HR, Piepsz A, Van Pachterbeke T, Haumont D & Noël P (1989) Functional imaging of brain maturation in humans using iodine-123 iodoamphetamine and SPECT. J Nucl Med 30: 1982-1985.

Meek JH, Tyszczuk L, Elwell CE & Wyatt JS (1998). Cerebral blood flow increases over the first three days of life in extremely preterm neonates. Arch Dis Child Fetal Neonatal Ed 78: F33-F37.

Tanaka S, Mito T & Takashima S (1995) Progress of myelination in the human fetal spinal nerve roots, spinal cord and brainstem with myelin basic protein immunohistochemistry. Early Hum Dev 41:49-59.

Resch B, Vollaard E, Maurer U, Haas J, Rosegger H & Müller W (2000) Risk factors and determinants of neurodevelopmental outcome in cystic periventricular leukomalacia. Eur J Pediatr 159: 663-670.

Wu YW & Colford JM (2000) Chorioamnionitis as a risk factor for cerebral palsy: A meta-analysis. JAMA 284: 1417-1424.

Dammann O & Leviton A (2000) Brain damage in preterm newborns: Biological response modification as a strategy to reduce disabilities. J Pediatr 136: 433-438.

Wheater M & Rennie JM (2000) Perinatal infection is an important risk factor for cerebral palsy in very low birthweight infants. Dev Med Child Neurol 42: 364-367.

Sie LTL, van der Knaap MS, van Wezel-Meijler G & Valk J (1997) MRI assessment of myelination of motor and sensory pathways in the brain of preterm and term-born infants. Neuropediatrics 28: 97-105.

McArdle CB, Richardson CJ, Nicholas DA, Mirfakhraee M, Hayden CK & Amparo EG (1987) Developmental features of the neonatal brain:MR imaging. Part I. Gray-white matter differentiation and myelination. Radiology 162: 223-229.

Barkovich AJ, Kjos BO, Jackson DE & Norman D (1988) Normal maturation of the neonatal and infant brain: MR imaging at 1.5 T. Radiology 166: 173-180.

Battin MR, Maalouf EF, Counsell SJ, Herlihy AH, Rutherford MA, Azzopardi D & Edwards AD (1998) Magnetic resonance imaging of the brain in very preterm infants: Visualization of the germinal matrix, early myelinaiton, and cortical folding. Pediatrics 101: 957-962.

Papile L-A, Burstein J, Burstein R & Koffler H (1978) Incidence and evolution of subependymal and intaventricular hemorrhage: A study of infants with birth weights less than 1,500 gm. J Pediatr 92: 529-534.

Tortorolo G, Luciano R, Papacci P & Tonelli T (1999) Intraventricular hemorrhage: past, present and future, focusing on classification, pathogenesis and prevention. Childs Nerv Syst 15: 652-661.

Ment LR, Vohr B, Allan W, Westerveld M, Katz KH, Schneider KC & Makuch RW (1999) The etiology and outcome of cerebral ventriculomegaly at term in very low birth weight preterm infants. Pediatrics 104: 243-248.

Roland EH & Hill A (1997) Intraventricular hemorrhage and posthemorrhagic hydrocephalus. Current and potential future interventions. Clin Perinatol 24: 589-605.

Kuban K, Sanocka U, Leviton A, Allred E, Pagano M, Damman O, Share J, Rosenfeld D, Abiri M, DiSalvo D, Doubilet P, Kairam R, Kazam E, Kirpekar M & Schonfeld S (1999) White matter disorders of prematurity: Association with intraventricular hemorrhage and ventriculomegaly. J Pediatr 134: 539-546.

Skullerud K & Westre B (1986) Frequency and prognostic significance of germinal matrix hemorrhage, periventricular leukomalacia, and pontosubicular necrosis in preterm neonates. Acta Neuropathol 70: 257-261.

De Vries LS, Groenendaal F, van Haastert IC, Eken P, Rademaker KJ & Meiners LC (1999) Asymmetrical myelination of the posterior limb of the internal capsule in infants with periventricular haemorrhagic infarction: An early predictor of hemiplgia. Neuropediatrics 30: 314-319.

De Vries LS, Groenendaal F, Eken P, van Haastert IC, Rademaker KJ & Meiners LC (1997) Infarcts in the vascular distribution of the middle cerebral artery in preterm and fullterm infants. Neuropediatrics 28: 88-96.

Van Wezel-Meijler G, Hummel TZ, Oosting J, de Groot L, Sie LTL, Huisman J, Lafeber HN & van der Knaap MS (1999) Unilateral thalamic lesion in premature infants: Risk factors and short-term prognosis. Neuropediatrics 30: 300-306.

Banker BQ & Larroche J-C (1962) Periventricular leukomalacia of infancy; A forum of neonatal anoxic encephalopathy. Arch Neurol 7: 386-410.

Iida K, Takashima S & Takeuchi Y (1992) Etiologies and distribution of neonatal leukomalacia. Pediatr Neurol 8: 205-209.

De Vries LS, Dubowitz V, Lary S, Whitelaw A, Dubowitz LMS, Kaiser A, Silverman M & Wigglesworth JS (1985) Predictive value of cranial ultrasound in the newborn baby: a reappraisal. Lancet ii: 137-143.

Eken P, de Vries LS, van der Graaf Y, Meiners LC & van Nieuwenhuizen O (1995) Hemorrhagic-ischemic lesions of the neonatal brain: correlation between cerebral visual impairment, neurodevelopmental outcome and MRI in infancy. Dev Med Child Neurol 37: 41-55.

Inder TE, Hüppi PS, Warfield S, Kikinis R, Zientara GP, Barnes PD, Jolesz F & Volpe JJ (1999) Periventricular white matter injury in the premature infant is followed by reduced cerebral gray matter volume at term. Ann Neurol 46: 755-760.

Kuban KCK & Leviton A (1994) Cerebral palsy. N Engl J Med 330: 188-195.

Takashima S, Mito T, Houdou S & Ando Y (1989) Relationship between periventricular hemorrhage, leukomalacia and brainstem lesions in prematurely born infants. Brain Dev 11: 121-124.

Sohma O, Mito T, Mizuguchi M & Takashima s (1995) The prenatal age critical for the development of the pontosubicular necrosis. Acta Neuropathol 90: 7-10.

Denays R, Ham H, Tondeur M, Piepsz A & Noël P (1992) Detection of bilateral and symmetrical anomalies in technetium-99m-HMPAO brain SPECT studies. J Nucl Med 33: 485-490.

Hüppi PS, Schucknecht B, Boesch C, Bossi E, Felblinger J, Fusch C & Herschkowitz N (1996) Structural and neurobehavioral delay in postnatal brain development of preterm infants. Pediatr Res 39: 895-901.

Taylor MJ, Saliba E & Laugier J (1996) Use of evoked potentials in preterm neonates. Arch Dis Child Fetal Neonatal Ed 74: F70-F76.

Perlman JM & Rollins N (2000) Surveillance protocol fot the detection of intracranial abnormalities in premature neonates. Arch Pediatr Adolesc Med 154: 822-826.

Helmke K, Winkler P & Kock C (1987) Sonographic examination of the brain stem area in infants. Pediatr Radiol 17: 1-6.

Graham M, Trounce JQ, Levene MI & Rutter N (1987) Prediction of cerebral palsy in very low birthweight infants: Prospective ultrasound study. Lancet ii:593-596.

Sinha SK, D"Souza SW, Rivlin E & Chiswick ML (1990) Ischaemic brain lesions diagnosed at birth in preterm infants: Clinical events and developmental outcome. Arch Dis Child 65: 1017-1020.

De Vries LS, Eken P, Groenendaal F, Rademaker KJ, Hoogervorst B & Bruinse HW (1998) Antenatal onset of haemorrhagic an/or ischaemic lesions in preterm infants: Prevalence and associated obstetric variables. Arch Dis Child Fetal Neonatal Ed 78: F51-F56.

Lai FF & Tsou KY (1999) Transient periventricular echodensities and developmental outcome in preterm infants. Pediatr Neurol 21: 797-801.

Vohr B, Allan WC, Scott DT, Katz KH, Schneider KC, Makuch RW & Ment LR (1999) Early-onset intraventricular hemorrhage in preterm neonates: Incidence of neurodevelopmental handicap. Semin Perinatol 23: 212-217.

Larcos G, Gruenewald SM & Lui K (1994) Neonatal subependymal cysts detected by sonography: Prevalence, sonographic findings, and clinical significance. AJR Am J Roentgenol 162: 953-956.

Carson SC, Hertzberg BS, Bowie JD & Burger PC (1990) Value of sonography in the diagnosis of intracranial hemorrhage and periventricular leukomalacia: A postmortem study of 35 cases. AJNR Am J Neuroradiol 11: 677-683.

Pinto-Martin JA, Riolo S, Cnaan A, Holzman C, Susser MW & Paneth N (1995) Cranial ultrasound prediction of disabling and nondisabling cerebral palsy at age two in a low birth weight population. Pediatrics 95: 249-254.

De Vries LS, Rademaker KJ, Groenendaal F, Eken P, van Haastert IC, Vandertop WP, Gooskens R & Meiners LC (1998) Correlation between neonatal cranial ultrasound, MRI in infancy and neurodevelopmental outcome in infants with a large intraventricular haemorrhage with or without unilateral parenchymal involvement. Neuropediatrics 29: 180-188.

Govaert P, Matthys E, Zecic A, Roelens F, Oostra A & Vanzieleghem B (2000) Perinatal cortical infarction within middle cerebral artery trunks. Arch Dis Child Fetal Neonatal Ed 82: F59-F63.

Townsend SF, Rumack CM, Thilo EH, Merenstein GB & Rosenberg AA (1999) Late neurosonographic screening is important to the diagnosis of periventricular leukomalacia and ventricular enlargement in preterm infants. Pediatr Radiol 29: 347-352.

Yamamoto N, Utsu M, Serizawa M, Ohki S, Murakoshi T, Seguchi M, Iwase K & Maeda K (2000) Neonatal periventricular leukomalacia preceded by fetal periventricular echodensity. Fetal Diagn Ther 15: 198-208.

Ito T, Kadowaki K, Takahashi H, Nagata N, Makio A & Terakowa N (1997) Clinical features of and cardiotocographic findings for premature infants with antenatal periventricular leukomalacia. Early Hum Dev 47: 195-201.

Perlman JM, Risser R & Broyles RS (1996) Bilateral cystic periventricular leukomalacia in the premature infant: Associated risk factors. Pediatrics 97: 822-827.

Virkola K (1988) The lateral ventricle in early infancy. thesis, Univ Helsinki. p 51-94.

Poland RL, Slovis TL & Shankaran S (1985) Normal values for ventricular size as determined by real time sonographic techniques. Pediatr Radiol 15: 12-14.

Pellicer A, Cabañas F, García-Alix A, Rodriguez JP & Quero J (1993) Natural history of ventricular dilatation in preterm infants: prognostic significance. Pediatr Neurol 9: 108-114.

Weisglas-Kuperus N, Baerts W, Fetter WPF & Sauer PJJ (1992) Neonatal cerebral ultrasound, neonatal neurology and perinatal conditions as predictors of neurodevelopmental outcome in very low birthweight infants. Early Hum Dev 31: 131-148.

Leviton A & Gilles F (1996) Ventriculomegaly, delayed myelination, white matter hypoplasia, and periventricular leukomalacia: How are they related? Pediatr Neurol 15: 127-136.

Saukkonen A-L (1989) Childhood hydrocephalus. thesis, Acta Univ Oulu D p 15-18.

De Vries LS, Dubowitz LMS, Pennock JM & Bydder GM (1989) Extensive cystic leucomalacia: correlation of cranial ultrasound, magnetic resonance imaging and clinical findings in sequential studies. Clin Radiol 40: 158-166.

Chamnanvanakij S Rogers CG Luppino C Broyles SR Hickman J Perlman JM (2000) Linear hyperechogenicity eithin the basal ganglia and thalamus of preterm infants. Pediatr Neurol 23: 129-133.

Hashimoto T, Tayama M, Miyazaki M & Kuroda Y (1991) Development of the brainstem: Assessment by MR Imaging. Neuropediatrics 22: 139-146.

Konishi Y, Hayakawa K, Kuriyama M, Fujii Y, Sudo M, Konishi K & Ishii Y (1993) Developmental features of the brain in preterm and fullterm infants on MR imaging. Early Hum Dev 34:155-162

McArdle CB, Richardson CJ, Hayden CK, Nicholas DA, Crofford MJ & Amparo EG (1987) Abnormalities of the neonatal brain:MR imaging. Part I. Intracranial hemorrhage. Radiology 163: 387-394.

McArdle CB, Richardson CJ, Nicholas DA, Mirfakhraee M, Hayden CK & Amparo EG (1987) Developmental features of the neonatal brain:MR imaging. Part II. Ventricular size and extracerebral space. Radiology 162: 230-234.

Martin E, Boesch C, Zuerrer M, Kikinis R, Molinari L, Kaelin P, Boltshauser E & Duc G (1990) MR imaging of brain maturation in normal and developmentally handicapped children. J Comput Assist Tomogr 14: 685-692.

Sonigo PC, Rypens FF, Carteret M, Delezoide A-L & Brunelle FO (1998) MR imaging of fetal cerebral anomalies. Pediatr Radiol 28: 212-222.

Dietrich RB, Bradley WG, Zaragoza IV, EJ, Otto RJ, Taira RK, Wilson GH & Kangarloo H (1988) MR evaluation of early myelination patterns in normal and developmentally delayed infants. AJNR Am J Neuroradiol 9: 69-76.

Ballesteros MC, Hansen PE & Soila K (1993) MR imaging of the developing human brain. Radiographics 13: 611-622.

Toft PB, Leth H, Ring PB, Peitersen B, Lou H & Henriksen O (1995) Volumetric analysis of the normal infant brain and in intrauterine growth retardation. Early Hum Dev 43: 15-29.

Van der Knaap MS, van Wezel-Meijler G, Barth PC, Barkhof F, Adèr HJ & Valk J (1996) Normal gyration and sulcation in preterm and term neonates: Appearance on MR images. Radiology 200: 389-396.

Maalouf EF, Duggan PJ, Rutherford MA, Counsell SJ, Fletcher AM, Battin M, Cowan F & Edwards AD (1999) Magnetic resonance imaging of the brain in a cohort of extremely preterm infants. J Pediatr 135: 351-357.

Antonelli AR, Bonfioli F, Nicolai P & Peretti G (1988) The relationship of head and brainstem size to main parameters of ABR in the developmental age and in adults. Acta Otolaryngol 105:587-590.

Hayakawa K, Konishi Y, Matsuda T, Kuriyama M, Konishi K, Yamashita K, Okumura R & Hamanaka D (1989) Development and aging of brain midline structures: Assessment with MR imaging. Radiology 172: 171-177.

Raininko R, Autti T, Vanhanen SL, Ylikoski A, Erkinjuntti T & Santavuori P (1994) The normal brain stem from infancy to old age; A morphometric study. Neuroradiology 36: 364-368.

Hittmair K, Kramer J, Rand T, Bernert G & Wimberger D (1996) Infratentorial brain maturation: a comparison of MRI at 0.5 and 1.5 T. Neuroradiology 38: 360-366.

Martin E, Krassnitzer S, Kaelin P & Boesch C (1991) MR imaging of the brainstem: normal postnatal development. Neuroradiology 33: 391-395.

Garel C, Brisse H, Sebag G, Elmaleh M, Oury J-F & Hassan M (1998) Magnetic resonsnce imaging of the fetus. Pediatr Radiol 28: 201-211.

Schouman-Claeys E, Henry-Feugeas M-C, Roset F, Larroche J-C, Hassine D, Sadik J-C, Frija G & Gabilan JC (1993) Periventricular leukomalacia: Correlation between MR imaging and autopsy findings during the first 2 months of life. Radiology 189: 59-64.

Felderhoff-Mueser U, Rutherford MA, Squier WV, Cox Ph, Maalouf EF, Counsell SJ, Bydder GM & Edwards AD (1999) Relationship between MR Imaging and histopathologic findings of the brain in extremely sick preterm infants. AJNR Am J Neuroradiol 20:1349-1357.

Skranes JS, Vik T, Nilsen G, Smevik O, Andersson HW & Brubakk AM (1993) Cerebral magnetic resonance imaging and mental and motor function of very low birth weight children at six years of age. Neuropediatrics 24: 256-262.

Okumura A, Hayakawa F, Kato T, Kuno K & Watanabe K (1997a) MRI findings in patients with spastic cerebral palsy. I: Correlation with gestational age at birth. Dev Med Child Neurol 39: 363-368.

Okumura A, Kato T, Kuno K, Hayakawa F & Watanabe K (1997b) MRI findings in patients with spastic cerebral palsy. II: Correlation with type of cerebral palsy. Dev Med Child Neurol 39: 369-372.

Aida N, Nishimura G, Hachiya Y, Matsui K, Takeuchi M & Itani Y (1998) MR imaging of erinatal rain damage: Comparison of clinical outcome with initial and follow-up MR finding. AJNR Am J Neuroradiol 19: 1909-1921.

Van Wezel-Meijler G, van der Knaap MS, Sie LTL, Oosting J, Taest van Amerongen AHM, Cranendonk A & Lafeber HN (1998) Magnetic resonance imaging of the brain in premature infants during the neonatal period. Normal phenomena and reflection of mild ultrasound abnormalities. Neuropediatrics 29: 89-96.

Van Wezel-Meijler G, van der Knaap MS, Oosting J, Sie LTL, de Groot L, Huisman J, Valk J & Lafeber HN (1999) Predictive value of neonatal MRI as compared to ultrasound in premature infants with mild periventricular white matter changes. Neuropediatrics 30: 231-238.

Guit GL, van de Bor M, den Ouden L & Wondergem JHM (1990) Prediction of neurodevelopmental outcome in the preterm infant: MR-staged myelination compared with cranial US. Radiology 175: 107-109.

Gomori JM, Grossman RI, Goldberg HI, Hackney DB, Zimmerman RA & Bilaniuk LT (1987) High-field spin-echo MR imaging of superficial and subependymal siderosis secondary to neonatal intraventricular hemorrhage. Neuroradiology 29: 339-342.

Keeney SE, Adcock EW & McArdle CB (1991) Prospective observations of 100 high-risk neonates by high-field (1.5 Tesla) magnetic resonance imaging of the central nervous system: I. Intraventricular and extracerebral lesions. Pediatrics 87: 421-430.

Zuerrer M, Martin E & Boltshauser E (1991) MR imaging of intracraniel hemorrhage in neonates and infants at 2.35 Tesla. Neuroradiology 33: 223-229.

Bouza H, Dubowitz LMS, Rutherford M & Pennock LM (1994) Prediction of outcome in children with congenital hemiplegia: A magnetic resonance imaging study. Neuropediatrics 25: 60-66.

De Vries LS, Connell JA, Dubowitz LMS, Oozeer RC, Dubowitz V & Pennock JM (1987) Neurological, electrophysiological and MRI abnormalities in infants with extensive cystic leukomalacia. Neuropediatrics 18: 61-66.

Baenziger O, Maritin E, Steinlin M, Good M, Largo R, Burger R, Fanconi S, Duc G, Buchli R, Rumpel H & Boltshauser E (1993) Early pattern recognition in severe perinatal asphyxia: A prospective MRI study. Neuroradiology 35: 437-442.

Groenendaal F, van der Grond J, Eken P, van Haastert I, Rademaker KJ, Toet MC & de Vries LS (1997) Early cerebral proton MRS and neurodevelopmental outcome in infants with cystic leukomalacia. Dev Med Child Neurol 39: 373-379.

Sugita K, Takeuchi A, Iai M & Tanabe Y (1989) Neurologic sequelae and MRI in low-birth weight patients. Pediatr Neurol 5: 365-369.

Yokochi K (1997) Thalamic lesions revealed by MR associated with periventricular leukomalacia and clinical profiles of subjects. Acta Paediatr 86: 493-496.

Van de Bor M, Guit GL, Schreuder AM, van Bell F, Wondergem J, den Ouden L & Vielvoye GJ (1990) Does very preterm birth impair myelination of the central nervous system? Neuropediatrics 21: 37-39.

Johnson MA, Pennock JM, Bydder GM, Dubowitz LMS, Thomas DJ & Young IR (1987) Serial MR imaging in neonatal cerebral injury. Am J Neuroradiol 8: 83-92.

Van de Bor M, den Ouden L & Guit GL (1992) Value of cranial ultrasound and magnetic resonance imaging in predicting neurodevelopmental outcome in preterm infants. Pediatrics 90: 196-199.

Natsume J, Watanabe K, Kuno K, Hayakawa F & Hashizume Y (1995) Clinical, neurophysiologic, and neuropathological features of an infant with brain damage of total asphyxia type (Myers). Pediatr Neurol 13:61-64

Haddad J, Contantinesco A, Brunot B & Messer J (1994) A study of cerebral perfusion using single photon emission computed tomography in neonates with brain lesions. Acta Paediatr 83: 265-269.

Konishi Y, Kuriyama M, Mori I, Fujii Y, Konishi K, Sudo M & Ishii Y (1994) Assessment of local cerebral blood flow in neonates with N.isopropyl-P-(123I) iodoamphetamine and single photon emission computed tomography. Brain Dev 16: 450-453.

Chiron C, Raynaud C, Mazière et al (1992) Changes in regional cerebral blod flow during brain maturation in children and adolescents. J Nucl Med 33: 696-703.

Kumar P, Bedard MP, Shankaran S & Delaney-Black V (1994) Post extracorporeal membrane oxygenation single photon emission computed tomography (SPECT) as a predictor of neurodevelopmental outcome. Pediatrics 93: 951-955.

Léveillé J, Demonceau G & Walovitch R (1992) Intrasubject comparison between technetium-99m-ECD and technetium-99m-HMPAO in healthy human subjects. J Nucl Med 33: 480-484.

Schiepers C, Verbruggen A, Casaer P & De Roo M (1997) Normal brain perfusion pattern of technetium-99m-ethylcysteinate dimer in children. J Nucl Med 38: 1115-1120.

Asenbaum S, Brücke T, Pirker W, Pietrzyk U & Podreka I (1998) Imaging of cerebral blood flow with Technetium-99m-HMPAO and Technetium-99m- ECD: A comparison. J Nucl Med 39: 613-618.

Greisen G (1997) Cerebral blood flow and energy metabolism in the newborn. Clin Perinatol 24: 531-546.

Yoshida H, Yasuhara A & Kobayashi Y (1991) Transcranial Doppler sonographic studies of cerebral blood flow velocity in neonates. Pediatr Neurol 7: 105-110.

Denays R, Van Pachterbeke T, Toppet V, Tondeur M, Spehl M, Piepsz A, Noël P, Haumont D & Ham HR (1993) Prediction of cerebral palsy in high-risk neonates: A technetium-99m-HMPAO SPECT study. J Nucl Med 34: 1223-1227.

Taudorf K & Vorstrup S (1988) Cerebral blood flow abnormalities in cerebral palsied children with a normal CT scan. Neuropediatrics 20: 33-40.

Denays R, Tondeur M, Toppet V, Ham H, Piepsz A, Spehl M, Rubinstein M & Noël P (1990) Cerebral palsy: Initial experience with Tc-99m HMPAO SPET of the brain. Radiology 175: 111-116.

Sztriha L, Al Suhaili AR, Prais V & Nork M (1996) Regional cerebral blood perfusion in children with hemiplegia: A SPECT study. Neuropediatrics 27: 178-183.

Lee J, Kim D, Ryu Y, Whang G, Park C & Kim D (1998) Technetium-99m ECD brain SPECT in cerebral palsy: Comparison with MRI. J Nucl Med 39: 619-623.

Rotteveel JJ, de Graaf R, Colon EJ, Stegeman DF & Visco YM (1987) The maturation of the central auditory conduction in preterm infants until three months post term. II. The auditory brainstem responses (ABRs). Hear Res 26:21-35.

Cox C, Hack M, Aram D & Borawski E (1992) Neonatal auditory brainstem response failure of very low birth weight infants: 8-year outcome. Pediatr Res 31: 68-72.

Kohelet D, Arbel E, Goldberg M & Arlazoroff A (2000a) Brainstem auditory evoked response in newborns and infants. J Child Neurol 15: 33-35.

Jiang ZD (1995) Maturation of the auditory brainstem in low risk preterm infants: a comparison with age.matched full term infants up to 6 years. Early Hum Dev 42:49-65.

Jiang ZD & Tierney TS (1995) Development of human peripheral hearing revealed by brainstem auditory evoked potentials. Acta Paediatr 84: 1216-1220.

Markand ON (1994) Brainstem auditory evoked potentials. J Clin Neurophysiol 11: 319-342.

Roberts JL, Davis H, Phon GL, Reichert TJ, Sturtevant EM & Marshall RE (1982) Auditory brainstem responses in preterm neonates: Maturation and follow-up. J Pediatr 101: 257-263.

Fawer C-L & Dubowitz LMS (1982) Auditory brain stem response in neurologically normal preterm and full-term newborn infants. Neuropediatrics 13: 200-206.

Johansson R (1987) Hearing evaluation in infants with special reference to the audiovegetative tests. thesis, Univ Turku, Finland.

Collet L, Morgon A, Soares I, Disant F & Salle B (1988) Maturational changes in the intensity latency relation of the brainstem auditory evoked potentials in humans. Acta Otolaryngol 105: 473-476.

Yamamoto N, Watanabe K, Sugiura J, Okada J, Nagae H & Fujimoto Y (1990) Marked latency change of auditory brainstem response in preterm infants in the early postnatal period. Brain Dev 12: 766-769.

Kohelet D, Arbel E, Goldberg M & Arlazzoroff A (2000b) Intrauterine growth retardation and brainstem auditory-evoked response in preterm infants. Acta Paediatr 89: 73-76.

Majnemer A, Rosenblatt B & Riley PS (1990) Prognostic significance of multimodality evoked response testing in high-risk newborns. Pediatr Neurol 6: 367-374.

Kitamoto I, Kukita J, Kurokawa T, Chen Y-J, Minami T & Ueda K (1990) Transient neurologic abnormalities and BAEPs in high-risk infants. Pediatr Neurol 6: 319-325.

Zafeiriou DI, Andreou A & Karasavidou K (2000) Utility of brainstem auditory evoked potentials in children with spastic cerebral palsy. Acta Paediatr 89: 194-197.

Hepper PG & Shahidullah BS (1994) Development of fetal hearing. Arch Dis Child Fetal Neonatal Ed 71: F81-F87.

Bamford J, Davis A & Stevens J (1998) Screening for congenital hearing impairment: Time for change. Arch Dis Child Fetal Neonatal Ed 79: F73-F76.

Kaga K, Hashira S & Marsh RR (1986) Auditory brainstem responses and behavioural responses in pre-term infants. Br J Audiol 20: 121-127.

American Academy of Pediatrics (1995) Joint Committee on Infant Hearing 1994 position statement. Pediatrics 95: 152-156.

Oudesluys-Murphy AM, van Straaten HLM, Bholasingh R & van Zanten GA (1996) Neonatal hearing screening. Eur J Pediatr 155: 429-435.

Chen S-J, Yang EY, Kwan M-L, Chang P, Shiao A-S & Lien C-F (1996) Infant hearing screening with an automated auditory brainstem response screener and the auditory brainstem response. Acta Paediatr 85: 14-18.

Meyer C, Witte J, Hildmann A, Hennecke K-H, Schunck K-U, Maul K, Franke U, Fahnenstich H, Rabe H, Rossi R, Hartmann S & Gortner L (1999) Neonatal screening for hearing disorders in infants at risk: Incidence, risk factors, and follow-up. Pediatrics 104: 900-904.

Brass D, Watkins P & Kemp DT (1994) Assessment of an implementation of a narrow and, neonatal otoacoustic emission screening method. Ear Hear 15: 467-475.

Brienesse P, Anteunis L, Wit H, Gavilanes D & Maertzdorf W (1996) Otoacoustic emissions in preterm infants: Indications for cochlear development? Audiology 35: 296-306.

Kennedy CR, Kimm L, Cafarelli Dees D, Evans PIP, Hunter M, Lenton S & Thornton RD (1991) Otoacoustic emissions and auditory brainstem responses in the newborn. Arch Dis Child 66: 1124-1129.

Chuang SW, Gerber SE & Thornton ARD (1993) Evoked otoacoustic emissions in preterm infants. Int J Pediatr Otorhinolaryngol 26: 39-45.

Eshraghi A, François M & Narcy P (1996) Evolution of transient evoked otoacoustic emissions in preterm newborns: A preliminary study. Int J Pediatr Otorhinolaryngol 37: 121-127.

Vohr BR, White KR, Maxon AB & Johnson MJ (1993) Factors affecting the interpretation of transient evoked otoacoustic emission results in neonatal hearing screening. Semin Hear 14: 57-72.

Vohr BR, Carty LM, Moore PE & Letourneau K (1998) The Rhode Island Hearing Assessment Program: Experience with statewide hearing screening (1993-1996). J Pediatr 33: 353-357.

El-Refaie Amr, Parker DJ & Bamford JM (1996) Otoacoustic emission versus ABR screening: The effect of external and middle ear abnormalities in a group of SCBU neonates. Br J Audiol 30: 3-8.

Meredith R, Stephens D, Hogan S, Cartlidge PHT & Drayton M (1994) Screening for hearing loss in an at-risk neonatal population using evoked otoacoustic emissions. Scand Audiol 23: 187-93.

Bantock HM & Croxson S (1998) Universal hearing screening using transient otoacoustic emissions in a community health clinic. Arch Dis Child 78: 249-252.

Rhodes MC, Margolis RH, Hirsch JE & Napp AP (1999) Hearing screening in the newborn intensive care nursery: Comparison of methods. Otorhinolaryngol Head Neck Surg 120: 799-808.

Salmivalli A, Jauhiainen T, Kärjä J & Raivio M (1984) Kuulontutkimus ja kuntoutus (in finnish). 2nd ed. Instrumentarium julkaisu, Ajanpaino OY, Helsinki.

Amiel-Tison C (1996) Does neurological assessment still have a place in the NICU? Acta Paediatr 416: 31-38.

Mercuri E & Dubowitz L (1999) Neurological examination of the newborn. Current Probl Pediatr 9: 42-50.

Hope P (1995) CRIP, son of Apgar, brother to APACHE. Arch Dis Child Fetal Neonatal Ed 72: F81-F83.

The International Neonatal Network (1993) The CRIP (clinical risk index for babies) score: a tool for assessing initial neonatal risk and comparing performance of neonatal intensive care units. Lancet 342: 193-198.

Dubowitz LMS, Dubowitz V & Mercuri E (1999) The neurological assessment of the preterm & full-term newborn infant. Clinics in Developmental Medicine No 148. 2nd ed. Mac Keith Press, London.

Prechtl HFR & Beintema D (1964) The neurological examination of the full-term newborn infant. Clinics in developmental medicine No. 12. Spastics International Medical Publication, Heinmann Medical Books Ltd, London.

Brandt I, Sticker EJ, Höcky M & Lentze MJ (2000) Transient abnormal neurologic signs (TANS) in a longitudinal study of very low birth weight preterm infants. Early Hum Dev 59: 107-126.

McGrath MM, Sullivan MC, Lester BM & Oh W (2000) Longitudinal neurologic follow-up in neonatal intensive care unit survivors with various neonatal morbidities. Pediatrics 106: 1397-1405.

Pedersen SJ, Sommerfelt K & Markestad T (2000) Early motor development of premature infants with birthweight less than 2000g. Acta Paediatr 89: 1456-1461.

Griffiths R (1954) The abilities of babies. A study in mental measurement. Mcgraw-Hill Book Company INC, London.

Allen MC & Alexander GR (1997) Using motor milestones as a multistep progress to screen preterm infants for cerebral palsy. Dev Med Child Neurol 39: 12-16.

Illingworth RS (1983) The development of the infant and young child. Normal and abnormal. Eighth edition. Churchill Livinstone, London.

Roth SC, Baudin J, Pezzani-Goldsmith M, Townsend J, Reynolds EOR & Stewart AL (1994) Relation between neurodevelopmental status of very preterm infants at one and eight years. Dev Med Child Neurol 36: 1049-1062.

Bayley N (1969) The Bayley scales of infants development. New York: Psychological corporation.

Siegel MJ (1995) Brain. In: Pediatric Sonography. Second edition. Raven Press, New York. p 29-40.

Inagaki M, Tomita Y, Takashima S, Ohtani K, Andoh G & Takeshita K (1987) Functional and morphometrical maturation of the brainstem auditory pathway. Brain Dev 9:597-601.

Hagberg B, Hagberg G & Olow I (1993) The changing panorama of cerebral palsy in Sweden. VI. Prevalence and origin during the birth year period 1983-1986. Acta Paediatr 82: 387-393.

Martin E & Barkovich AJ (1995) Magnetic resonance imaging in perinatal asphyxia. Arch Dis Child 72: F62-F70.

Kohlhauser C, Fuiko R, Panagl A, Zadra C, Haschke N, Brandstetter S, Weninger M & Pollak A (2000) Outcome of very-low-birth-weight infants at 1 and 2 years of age. Clin Pediatr 39: 441-449.

Jeng S-F, Yau K-IT, Liao H-F, Chen L-C & Chen P-S (2000) Prognostic factors for walking attainment in very low-birthweight preterm infants. Early Hum Dev 59: 159-173.

Blasco PA (1994) Primitive reflexes. Their contribution to the early detection of cerebral palsy. Clin Pediatr 388-397.

Wolke D, Ratschinski G, Ohrt & Riegel K (1994) The cognitive outcome of very preterm infants may be poorer than often reported: An empirical investigation of how methodological issues make a big difference. Eur J Pediatr 153: 906-915.

Paul DA, Pearlman SA, Finkelstein MS & Stefano JL (1999) Cranial sonography in very-low-birth-weight infants: Do all infants need to be screened? Clin Pediatr 38: 503-509.

Cooke RWI (1987) Early and late cranial ultrasonographic appearances and outcome in very low birthweight infants. Arch Dis Child 62: 931-937.

Adcock LM, Moore PJ, Schlesinger AE & Armstrong DL (1998) Correlation of ultrasound with postmortem neuropathologic studies in neonates. Pediatr Neurol 19: 263-271.

Paneth N, Rudelli R, Monte W, Rodrigues E, Pinto J, Kairam R & Kazam E (1990) White matter necrosis in very low birth weight infants: Neuropathologic and ultrasonograhic findings in infants surviving six days or longer. J Pediatr 116: 975-984.

Paneth N (1999) Classifying brain damage in preterm infants. J Pediatrics 134: 527-529.

Kuban KCK (1998) White-matter disease of prematurity, periventricular leukomalacia, and ischemic lesions. Dev Med Child Neurol 40: 571-573.

Haataja L, Mercuri E, Cowan F & Dubowitz L (2000) Cranial ultrasound abnormalities in full term infants in a postnatal ward: Outcome at 12 and 18 months. Arch Dis Child Fetal Neonatal Ed 82: F128-F133.

Levene MI (1990) Cerebral ultrasound and neurological impairment: Telling the future. Arch Dis Child 65: 469-471.

Torrioli MG, Frisone MF, Bonvini L, Luciano R, Pasca MG, Lepori R, Tortorolo G & Guzzetta F (2000) Perceptual-motor, visual and cognitive ability in very low birthweight prechool children without neonatal ultrasound abnormalities. Brain Dev 22: 163-168.

Nwaesei CG, Allen AC, Vincer MJ, Brown St J, Stinson DA, Evans JR & Byrne JM (1988) Effect of timing of cerebral ultrasonography on the prediction of later neurodevelopmental outcome in high-risk preterm infant. J Pediatr 112: 970-975.

Peterson BS, Vohr B, Staib LH, Cannistraci CJ, Dolberg A, Schneider KC, Katz KH, Westerveld M, Sparrow S, Anderson AW, Duncan CC, Makuch RW, Gore JC & Ment LR (2000) Regional brain volume abnormalities and long-term cognitive outcome in preterm infants. JAMA 284: 1939-1947.

Wilson-Costello D, Rao PS, Morrison S & Hack M (1996). Radiation exposure from diagnostic radiographs in extremely low birth weight infants. Pediatrics 97: 369-374.

Van Unnik JG, Broerse JJ, Geleijns J, Jansen JThM & Zoetelief Zweers D (1997) Survey of CT techniques and absorbed dose in various Dutch hospitals. Br J Radiol 70: 367-371.

Pasman JW, Rotteveel JJ, Maassen B, de Graaf R & Visco Y (1997) Diagnostic and predictive value of auditory evoked responses in preterm infants: II. Auditory evoked responses. Pediatr Res 42: 670- 677.

Yoshinaga-Itano C, Sedey AL, Coulter DK & Mehl AL (1998) Language of early- and later-identified children with hearing loss. Pediatrics 102: 1161-1171.

Purdy IB (2000) Newborn auditory follow-up. Neonatal Network 19: 25-33.

Sassen ML, Veen S, Schreuder AM, Ens-Dokum MH, Verloove-Vanhorick SP, Brand R, Ruys JH & Grote JJ (1994) Otitis media, respiratory tract infections and hearing loss in preterm and low birthweight infants. Clin Otolaryngol 19: 179-184.

Sutton GJ, Gleadle P & Rowe SJ (1996) Tympanometry and otoacoustic emissions in a cohort of special care neonates. Br J Audiol 30: 9-17.

Seifert E, Hartmann S & Weber P (1997) Otoacoustic emissions as indicators of neurologically based hearing loss in childhood. Neuropediatrics 28: 289-291.