The Comparison of Changes of QTc, Tp-e Interval, and Tp-e/QT Ratio, Tp-e/QTc Ratio on the ECG During Robotic-assisted Laparoscopic Radical Prostatectomy Under Sevoflurane, Desflurane and Total Intravenous Anesthesia -Randomized Controlled Trial

The Comparison of Changes of QTc, Tp-e Interval, and Tp-e/QT Ratio, Tp-e/QTc Ratio on the ECG During Robotic-assisted Laparoscopic Radical Prostatectomy Under Sevoflurane, Desflurane and Total Intravenous Anesthesia -Randomized Controlled Trial

The purpose of this study is to compare the changes of QTc, Tp-e interval, and Tp-e/QT ratio, Tp-e/QTc ratio on the ECG during robotic-assisted laparoscopic radical prostatectomy under sevoflurane, desflurane and total intravenous anesthesia

Inclusion Criteria:

1. ASA class I-III
2. patients undergoing elective robot-assisted laparoscopic radical prostatectomy
3. adult (≥19 years old)

Exclusion Criteria:

1. emergency surgery
2. preoperative QTc prolongation
3. Cardiac disease (unstable angina, congestive heart failure, valvular heart disease)
4. uncontrolled hypertension (DBP >110 mmHg)
5. Patients who take beta blocker
6. Ventricular conduction abnormality
7. Hepatic or renal failure
8. Drug hyperactivity
9. patients unable to understand informed consent (foreigner, illiteracy..)