Cerebral oxygenation in children with syncope during head-upright tilt test

被引：17

作者：

RodriguezNunez, A ^{[1
]}

Couceiro, J ^{[1
]}

Alonso, C ^{[1
]}

Eiris, J ^{[1
]}

Fuster, M ^{[1
]}

Sanchez, L ^{[1
]}

Martinon, JM ^{[1
]}

机构：

[1] UNIV SANTIAGO DE COMPOSTELA, DEPT PEDIAT, COMPLEJO HOSP, SANTIAGO DE COMPOSTELA, SPAIN

来源：

PEDIATRIC CARDIOLOGY | 1997年 / 18卷 / 06期

关键词：

neurocardiogenic syncope; children; cerebral saturation; cerebral oxygenation; cerebral blood flow;

D O I：

10.1007/s002469900216

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

The pathophysiology of neurocardiogenic syncope remains incompletely known. In this entity, besides abnormal systemic hemodynamic regulation, potential cerebral circulatory abnormalities have been reported. In this setting, cerebral saturation assessment could detect cerebral blood flow changes and estimate the sufficiency of brain oxygenation during the event. A head-upright tilt test was performed in 25 children aged between 6 and 16 years. In addition to the standard protocol, cerebral oxygen saturation was determined noninvasively by means of a near-infrared spectrophotometry device, In the 19 children with a positive tilt test, significant impairment of cerebral saturation was detected both at the start of the patient's complaints (without hemodynamic modifications) and during syncope. Our results support the hypothesis of the presence of abnormal cerebral hemodynamic autoregulation in children with neurocardiogenic syncope.

引用

页码：406 / 409

页数：4

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