Brain Activity in Patients with Disorders of Consciousness
Author Information
Author(s): Qin Xuewei, Chen Xuanling, Yao Lan, Lu Fa, Liang Zhenhu, He Jianghong, Guo Xiangyang, Li Xiaoli
Primary Institution: Peking University International Hospital
Hypothesis
Can resting-state functional MRI (rs-fMRI) and amplitude of low-frequency fluctuation (ALFF) predict consciousness levels in patients with disorders of consciousness after spinal cord stimulation therapy?
Conclusion
ALFF measured using rs-fMRI may serve as a predictive tool for post-treatment outcomes in patients with disorders of consciousness.
Supporting Evidence
- Patients with traumatic brain injury showed increased ALFF in the thalamus and anterior cingulate cortex.
- Patients with improved consciousness post-SCS exhibited distinct ALFF patterns compared to those with unchanged consciousness.
- ALFF values in the precuneus correlated with CRS-R scores, indicating its role in consciousness recovery.
Takeaway
This study looked at how brain activity can help doctors understand if patients with severe brain injuries might get better after treatment. They found that certain brain signals can show if a patient is likely to improve.
Methodology
The study analyzed rs-fMRI data from 53 patients with disorders of consciousness, measuring ALFF before and after spinal cord stimulation therapy and assessing clinical outcomes using the Coma Recovery Scale-Revised.
Potential Biases
The absence of a control group limits the ability to attribute improvements solely to spinal cord stimulation therapy.
Limitations
The study had a relatively small sample size and a short follow-up period, which may affect the generalizability of the findings.
Participant Demographics
Patients included 31 with traumatic brain injury and 22 with non-traumatic brain injury, aged over 18.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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