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Nerve Growth Factor Plasma Levels and Ventricular Repolarization in Rett Syndrome

机译:Rett综合征的神经生长因子血浆水平和心室复极

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摘要

Rett syndrome is a severe neurological developmental disorder. In this syndrome, the high incidence of sudden death is correlated with an alteration of ventricular repolarization. The purpose of this study was to evaluate plasmatic levels of nerve growth factor (NGF) in Rett patients with prolonged corrected QT (QTc) interval in comparison with those of Rett patients with normal QTc. We observed 23 female Rett patients (9.9 ± 4.7 years). NGF plasma levels and QTc interval were measured in all patients. Student t-test was performed for statistical analysis. NGF plasma levels were significantly lower in Rett patients with QTc interval prolongation (QTc > 0.44 sec) in comparison with Rett patients with a normal QTc interval (4.5 ± 4.5 vs 11 ± 8.3 pg/ml, p = 0.02). The alteration of NGF levels, observed in Rett patients with a long QTc interval, may explain the presence of an altered ventricular repolarization associated with a higher risk of cardiac arrhythmias.
机译:Rett综合征是一种严重的神经系统发育障碍。在这种综合征中,猝死的高发与心室复极的改变有关。这项研究的目的是评估校正QT(QTc)间隔延长的Rett患者与正常QTc的Rett患者的血浆神经生长因子(NGF)水平。我们观察了23位女性Rett患者(9.9±4.7岁)。测量所有患者的NGF血浆水平和QTc间隔。进行学生t检验以进行统计分析。与具有正常QTc间隔的Rett患者相比,具有QTc间隔延长的Rett患者的NGF血浆水平显着降低(QTc> 0.44 sec)(4.5±4.5 vs 11±8.3 pg / ml,p = 0.02)。在QTc间隔较长的Rett患者中观察到NGF水平的改变,可能解释了心律失常改变的存在与心律不齐的高风险相关。

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