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Conventional Structural Magnetic Resonance Imaging in Differentiating Chronic Disorders of Consciousness

Research Center of Neurology, 125367 Moscow, Russia
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Brain Sci. 2018, 8(8), 144; https://doi.org/10.3390/brainsci8080144
Received: 9 July 2018 / Revised: 26 July 2018 / Accepted: 3 August 2018 / Published: 5 August 2018
Differential diagnosis of unresponsive wakefulness syndrome (UWS) and minimally conscious state (MCS) is one of the most challenging problems for specialists who deal with chronic disorders of consciousness (DOC). The aim of the current study was to develop a conventional MRI-based scale and to evaluate its role in distinguishing chronic disorders of consciousness (Disorders of Consciousness MRI-based Distinguishing Scale, DOC-MRIDS). Data were acquired from 30 patients with clinically diagnosed chronic disorders of consciousness. All patients underwent conventional MRI using a Siemens Verio 3.0 T scanner, which included T2 and T1 sequences for patient assessment. Diffuse cortical atrophy, ventricular enlargement, sulcal widening, leukoaraiosis, brainstem and/or thalamus degeneration, corpus callosum degeneration, and corpus callosum lesions were assessed according to DOC-MRIDS criteria, with a total score calculation. The ROC-analysis showed that a reasonable threshold DOC-MRIDS total score was 5.5, that is, patients with DOC-MRIDS total score of 6 and above were classified as UWS and 5 and below as MCS, with sensitivity of 82.4% and specificity of 92.3%. The novel structural MRI-based scale for the assessment of typical brain lesions in patients with chronic DOC is relatively easy to apply, and provides good specificity and sensitivity values for discrimination between UWS and MCS. View Full-Text
Keywords: conventional MRI; structural assessment; chronic disorders of consciousness; UWS; MCS; differential diagnosis conventional MRI; structural assessment; chronic disorders of consciousness; UWS; MCS; differential diagnosis
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Morozova, S.; Kremneva, E.; Sergeev, D.; Sinitsyn, D.; Legostaeva, L.; Iazeva, E.; Krotenkova, M.; Ryabinkina, Y.; Suponeva, N.; Piradov, M. Conventional Structural Magnetic Resonance Imaging in Differentiating Chronic Disorders of Consciousness. Brain Sci. 2018, 8, 144.

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