Relationship between pressure passivity and subependymal/intraventricular hemorrhage as assessed by pulsed Doppler ultrasound.

Abstract:

:A prospective study was undertaken using a range-gated, pulsed Doppler velocimeter to study flowpressure relationships in the anterior cerebral artery. Serial velocity and pressure studies were performed with each infant serving as his or her own control. The hypothesis tested was that ill preterm infants sustaining subependymal/intraventricular hemorrhage would have absent autoregulation. The hypothesis has been tested in 88 studies on 32 infants. Of 32 infants studied, 15 were judged to be pressure passive; nine of these children bled. The other 17 infants were not pressure passive; eight of these children bled (P greater than .05). From these studies, it may be concluded that the pressure passive state is not the final common link in the genesis of subependymal/intravertricular hemorrhage. Pulsed Doppler ultrasound may provide an extremely useful noninvasive technique for studying both the arterial and venous sides of the cerebral circulation.

journal_name

Pediatrics

journal_title

Pediatrics

authors

Ahmann PA,Dykes FD,Lazzara A,Holt PJ,Giddens DP,Carrigan TA

subject

Has Abstract

pub_date

1983-11-01 00:00:00

pages

665-9

issue

5

eissn

0031-4005

issn

1098-4275

journal_volume

72

pub_type

杂志文章
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    authors: Lam BC,Lee J,Lau YL

    更新日期:2004-11-01 00:00:00

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    更新日期:2019-04-01 00:00:00

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    更新日期:2007-08-01 00:00:00

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    更新日期:2011-05-01 00:00:00

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    doi:

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  • Lead exposure in children: prevention, detection, and management.

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    journal_title:Pediatrics

    pub_type: 指南,杂志文章,实务指引

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    更新日期:2005-10-01 00:00:00

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    更新日期:2016-05-01 00:00:00

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    更新日期:2006-06-01 00:00:00

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    更新日期:2004-10-01 00:00:00

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    doi:10.1542/peds.2020-1853

    authors: Guan A,Hamad R,Batra A,Bush NR,Tylavsky FA,LeWinn KZ

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  • Trends in mortality and morbidity for very low birth weight infants, 1991-1999.

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  • Families of Children With Medical Complexity: A View From the Front Lines.

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    pub_type: 杂志文章

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    更新日期:2008-12-01 00:00:00

  • Recommendations for Prevention and Control of Influenza in Children, 2015-2016.

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    journal_title:Pediatrics

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    doi:

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    更新日期:1980-02-01 00:00:00

  • Breast Milk Consumption in Preterm Neonates and Cardiac Shape in Adulthood.

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    pub_type: 杂志文章,多中心研究,随机对照试验

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  • Parental separation and pediatric cancer: a Danish cohort study.

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    pub_type: 杂志文章

    doi:10.1542/peds.2011-2657

    authors: Grant S,Carlsen K,Bidstrup PE,Bastian GS,Lund LW,Dalton SO,Johansen C

    更新日期:2012-05-01 00:00:00

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    journal_title:Pediatrics

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    doi:

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    更新日期:1982-10-01 00:00:00

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