Malaguarnera M, Pistone G, Trovato B A, Scuderi M, Vinci M, Romano M, Marletta F
Institute of Internal Medicine and Geriatrics, University of Catania, Italy.
Panminerva Med. 1996 Jun;38(2):84-8.
Analogical electroencephalogram has been used to study electric alterations in the brain during liver encephalopathy. We adopted digital technique brain mapping to study the electric background activity in the brain and to evaluate the diagnostic and prognosis usefulness of this technique compared with the methods routinely used in this disease. We studied 18 patients with liver cirrhosis and varying degrees of liver encephalopathy and 7 healthy control subjects to assess correlation between the severity of encephalopathy and abnormal electric activity in the brain, and to detect the main differences between the brain mapping findings obtained in the two groups. The findings revealed an overall reduction in the rhythm, increased amplitude and anomalous distribution of the waveforms in the cirrhotic patients. Although similar results have already been reported, brain mapping furnished prompt and more easily visualised findings. Moreover, brain mapping facilitated detailed analysis of wave amplitude, frequency and topographic location indicating that this technique is a valid tool in diagnosing brain disorders.
类比脑电图已被用于研究肝性脑病期间大脑的电变化。我们采用数字技术脑图谱来研究大脑的电背景活动，并与该疾病常规使用的方法相比，评估这项技术的诊断和预后效用。我们研究了18例肝硬化和不同程度肝性脑病患者以及7名健康对照者，以评估脑病严重程度与大脑异常电活动之间的相关性，并检测两组脑图谱结果的主要差异。研究结果显示，肝硬化患者的节律总体降低、振幅增加且波形分布异常。尽管已有类似结果的报道，但脑图谱提供了更迅速且更易于可视化的结果。此外，脑图谱有助于对波幅、频率和地形位置进行详细分析，表明这项技术是诊断脑部疾病的有效工具。
