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  • Title: [Central hemodynamics under conditions of combined anesthesia on the basis of a thoracic epidural block].
    Author: Upriamova EIu, Stamov VI, Kozlov SP, Chernousov FA, Svetlov VA.
    Journal: Anesteziol Reanimatol; 2008; (5):76-9. PubMed ID: 19102237.
    Abstract:
    The authors set themselves a task of assessing systemic hemodynamic parameters under combined general anesthesia on the basis of a thoracic epidural block (TEB) versus combined general anesthesia during thoracoabdominal interventions. Thirty patients were examined. Their physical status was in ASA Class II-IV. The preoperative examination was as follows: electrocardiography (ECG) (at rest), ECG (during exercise), and 24-hour ECG monitoring. Hemodynamic parameters, such as systolic blood pressure (BP), diastolic BP, mean BP, and heart rate), were intraoperatively measured by invasive and noninvasive techniques. By using the measurements of cardiac output (extrasternal Doppler study), the authors calculated cardiac index, specific peripheral vascular resistance (SPVS), and stroke index (SI). They made 24-hour ECG monitoring intra- and postoperatively (on days 1 and 5, respectively). The findings suggest that inclusion of TEB in a complex of anesthetic maintenance of thoracoabdominal operations along with combined or total intravenous anesthesia shows better hemodynamic changes, as indicated by a 31% increase in SI and a 32.6% decrease in double product with the stable values of mean BP and heart rate, which was not noted in the control group. The dose of narcotic analgesics was decreased by 2.6 times.
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