However, when considering a confirmatory test battery but not as isolated techniques, it is possible to optimize the electrophysiological study and to increase diagnostic reliability. In relation to MEPs and the electroretinogram (ERG) application, as confirmatory tests in the diagnosis of BD, characteristic electrophysiological patterns are found showing a lack of sensorial conduction in three different pathways within the skull. The high time resolution of these tests allows an early detection of bran function changes, making them suitable for neuromonitoring of critical patients. Results presented demonstrate the MEPs value in forecast of evolution course of comatose patients, allowing prediction of brain function deterioration and thus, physician may take early therapeutic measures before establishment of irreversible brain lesions. Authors reviewed on application of multimodality evoked potentials (MEP) for coma neuromonitoring and as confirmatory tests in brain death (BD) diagnosis.
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