Resting motor threshold in navigated transcranial magnetic stimulation: relationship between inter-individual variance and distinct clinical and anatomical factors - Summary - MDSpire
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Resting motor threshold in navigated transcranial magnetic stimulation: relationship between inter-individual variance and distinct clinical and anatomical factors
To systematically evaluate the impact of multiple clinical and anatomical factors on resting motor threshold (RMT) in a large cohort of brain tumor patients, highlighting its significance for clinical practice.
Key Findings:
RMT exhibits substantial variability influenced by age, tumor location, volume, motor deficits, and pharmacological factors, which may impact clinical decision-making.
Sodium channel-blocking AEDs are consistently associated with elevated RMT values, indicating a need for careful medication management.
Antidepressants may increase RMT, while benzodiazepines generally show no direct effect, suggesting varying impacts of different drug classes.
Interpretation:
The study highlights the complexity of factors influencing RMT, emphasizing the need for individualized assessments in clinical settings to enhance the safety and efficacy of nTMS, particularly in surgical planning.
Limitations:
The retrospective nature of the study may introduce biases that could affect the generalizability of the findings.
The analysis did not account for interactions between multiple medications taken by patients, which may influence RMT variability.
Conclusion:
This comprehensive evaluation of RMT variability in a large cohort contributes to refining nTMS-based cortical mapping for improved clinical applications, underscoring the importance of personalized approaches in neurosurgery.
