title: [Incidence of peri-intraventricular hemorrhage in preterm newborn infants with birth weight less than 1500 gms: evaluation of brain ultrasonographic studies and necropsy].
abstract: From January to December 1986, 120 preterm infants were born with birth-weight under 1500 gm. Eighty-five infants were included in the study group either because they had a cranial sonographic evaluation or a necropsy. The mortality rate was 70% for the study group, but was 52.5% for the whole period. The sonographic examination was performed in 41 infants. The incidence of periventricular-intraventricular hemorrhage (PIVH) was 42.3%. Twenty-three cases had PIVH grade II (63.8%), 10 grade I (27.7%), and 3 (8.3%) grade IV. Thirteen infants had sonographic and necroscopic examinations. We observed a total agreement between sonographic and necroscopic diagnosis in 9 cases (69%). Two cases were classified as partial agreement as they differed only in the grading of PIVH, whereas in two cases there was a false negative diagnosis in the ultrasound examination. The interval between the examinations in these two false negative cases was 53 and 20 days, respectively. We conclude that the incidence of PIVH found in our study is comparable to that of the literature and that cranial ultrasonography is a sensitive neuroimage technique for the diagnosis of PIVH in the newborn preterm infant.
authors.affiliation: Hospital Maternidade-Escola de Vila Nova Cachoeirinha, São Paulo, Brasil.
authors.forename: J L
authors.initials: JL
authors.lastname: Gherpelli
authors.forename: A S
authors.initials: AS
authors.lastname: Santos Filho
authors.forename: J D
authors.initials: JD
authors.lastname: Silveira
authors.forename: M E
authors.initials: ME
authors.lastname: Tani
authors.forename: H P
authors.initials: HP
authors.lastname: Costa
mesh_terms: D001938:Brazil / Q000453:epidemiology; D002543:Cerebral Hemorrhage / Q000000981:diagnostic imaging / Q000453:epidemiology* / Q000473:pathology; D005260:Female; D006801:Humans; D015994:Incidence; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007234:Infant, Premature; D008297:Male; D012189:Retrospective Studies; D012720:Severity of Illness Index; D014463:Ultrasonography
vernacular_title: Incidéncia de hemorragia peri-intraventricular em recém-nascidos pré-termo com peso ao nascimento inferior a 1500 gramas. Avaliação dos estudos ultrassonográficos de crãnio e necrópsia.