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Korean Journal of Anesthesiology 2007;52(5):516-520.
DOI: https://doi.org/10.4097/kjae.2007.52.5.516   
Desflurane-induced Hemodynamic Changes in Patients with Hypertension.
Eun Ah Kim, Jung Woo Lee, Hyung Sun Lim, Ji Seon Son, Seong Hoon Ko
1Department of Anesthesiology and Pain Medicine, Chonbuk National University Medical School, Jeonju, Korea. shko@chonbuk.ac.kr
2Institute of Cardiovascular Research, Chonbuk National University Medical School, Jeonju, Korea.
A rapid increase in the desflurane concentration induces tachycardia and hypertension and increases the plasma catecholamine concentration. This study compared the desflurane-induced hemodynamic responses in hypertensive patients with those of normotensive patients.
Sixty patients, 30 normotensive patient (group 1) and 30 hypertensive patients (group 2), were scheduled to undergo elective surgery under general anesthesia. The hypertensive patients have been taking regular antihypertensive drugs and their blood pressure and heart rate was well controlled. Thirty normotensive patients were not premedicated. The inspired concentration of desflurane through the mask was increased abruptly to 12.0 vol%. The target was to produce an end-tidal concentration of desflurane (ETdesf) of 10.0 vol% which was maintained until the end of the study by adjusting the vaporizer dial setting. The heart rate (HR), blood pressure (BP), cardiac index (CI), systemic vascular resistance (SVR), ETdesf, end-tidal concentration of carbon dioxide, and peripheral oxygen saturation were measured at the baseline and every 30 seconds for 5 minutes after inhaling of desflurane and for 2 minutes after intubation.
The HR, BP, and CI increased significantly in the two groups compared with the baseline. However, the HR, blood pressure, CI, SVR, and ETdesf were similar in both groups. In addition, there were no significant differences of hemodynamic changes between the beta-blocker and the calcium channel blocker in the hypertensive patients.
In patients with well-controlled hypertension, the hemodynamic responses to desflurane are similar to those in normotensive patients.
Key Words: desflurane; hemodynamic response; hypertension


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