Related Experiment Videos
Pyramidal tract lesions in comatose patients.
R Firsching1, S Wilhelms, R D Hilgers
1Klinik für Neurochirurgie, Universität zu Köln, Federal Republic of Germany.
Acta Neurochirurgica
|January 1, 1991
Summary
Transcranial magnetic evoked potentials (TMEPs) effectively predict fatal outcomes in comatose patients, offering valuable neurophysiological insights. While TMEPs show high accuracy for predicting death, survival prediction remains less reliable.
Area of Science:
- Neuroscience
- Clinical Neurophysiology
Background:
- Comatose patients require accurate prognostic tools.
- Assessing the integrity of the pyramidal tract is crucial for prognostication.
Purpose of the Study:
- To investigate the prognostic value of transcranial magnetic evoked potentials (TMEPs) in comatose patients.
- To compare TMEPs with other evoked potentials for predicting survival and non-survival.
Main Methods:
- Registered TMEPs in 197 comatose patients.
- Compared TMEPs with somatosensory, visual, and auditory evoked potentials.
- Correlated evoked potential findings with patient survival outcomes.
Main Results:
- TMEPs demonstrated high prognostic value, particularly for predicting fatal outcomes (accuracy near 90%).
- Somatosensory evoked potentials also showed significant prognostic value.
- Prediction of survival based on TMEPs was less dependable than prediction of death.
Conclusions:
- TMEPs are a valuable addition to neurophysiological assessments in comatose patients.
- TMEPs aid in predicting the likelihood of a fatal outcome.
- Further research may refine TMEP use for survival prediction.