Analysis and Record Intraoperative Bispectral Index of Patients of Thoracic Surgeries

Analysis and Record Intraoperative Bispectral Index of Patients of Thoracic Surgeries

Bispectral index(BIS) is commonly used to monitor the depth of anesthesia. The electroencephalographic signal is collected and analyzed by the device, resulting a number related to the awareness of the patient. Electromyography is also recorded. The aim of the study is recording and analyzing the data of BIS and try to find it's relation to intraoperative neuromuscular blockade.

Inclusion Criteria:

• ASA class between 1 and 3
• Patients scheduled for chest surgery

Exclusion Criteria:

• Neuromuscular diseases
• Mental and psychiatric disturbance
• ASA class over 4
• Drug abuse
• Aboriginals