J Med Syst - Control of sevoflurane anesthetic agent via neural network using electroencephalogram signals during anesthesia.

Tópicos

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Resumo

In this study, power spectrum of the EEG data and the heartbeat data obtained from 250 patients has been applied to the designed Neural network system. A backpropagation artificial neural network has been developed which contains 53 nodes in the input layer, 27 nodes in the hidden and 1 node in the output layer. In the artificial neural network inputs, the power spectral density values corresponding 1-50?Hz frequency interval of the EEG slices which has 10 seconds of time interval, the ratio of the total of the PSD values of current EEG slice to the total PSD values of EEG slice of pre-anesthesia, the ratio of the total PSD values of the EEG data to the total PSD values of the previous EEG data, and the previous anaesthetic gas ratio values have been applied and the network has been educated. The designed neural network system has been tested by using 10 data set obtained from 4 different patients. In the anesthetic gas prediction according to the anesthesia level, successful results have been obtained with the designed system. The system has been able to correctly purposeful responses in average accuracy of 94% of the cases. This method is also computationally fast and acceptable real-time clinical performance has been obtained.

Resumo Limpo

studi power spectrum eeg data heartbeat data obtain patient appli design neural network system backpropag artifici neural network develop contain node input layer node hidden node output layer artifici neural network input power spectral densiti valu correspond hz frequenc interv eeg slice second time interv ratio total psd valu current eeg slice total psd valu eeg slice preanesthesia ratio total psd valu eeg data total psd valu previous eeg data previous anaesthet gas ratio valu appli network educ design neural network system test use data set obtain differ patient anesthet gas predict accord anesthesia level success result obtain design system system abl correct purpos respons averag accuraci case method also comput fast accept realtim clinic perform obtain

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