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Korean Journal of Anesthesiology 2005;48(1):45-49.
DOI: https://doi.org/10.4097/kjae.2005.48.1.45   
Correlations between Mean Arterial Blood Pressure, Cardiac Index, and Systemic Vascular Resistance Index in Laparoscopically-assisted Vaginal Hysterectomy (LAVH).
Hea Jo Yoon, Jong In Oh
Department of Anesthesiology and Pain Medicine, Sungkyunkwan University School of Medicine, Seoul, Korea. heajo7890@hanmail.net
The purpose of this study was to evaluate the correlations between mean blood pressure (MBP), cardiac index (CI), and systemic vascular resistance index (SVRI) in patients undergoing laparoscopically-assisted vaginal hysterectomy (LAVH).
The authors enrolled 47-female patients prior to a LAVH. Hemodynamic parameters were measured before anesthetic induction, just after tracheal intubation, before skin incision, and 2, 5, 10, 20, and 30 min after pneumoperitoneum with CO2 by noninvasive cardiac output measurement using the partial carbon dioxide rebreathing method.
CI was significantly reduced 2 and 5 min after pneumoperitoneum (2.6 +/- 0.7 L/min/m2, and 2.5 +/- 0.7 L/min/m2, respectively), and then returned to the pre-skin incision level. SVRI increased significantly after pneumoperitoneum and was then restored to that measured pre-skin incision at 20 min after pneumoperitoneum. MBP before anesthetic induction was found to be correlated with CI at 20 and 30 min after pneumoperitoneum (R = 0.37, P = 0.022, R = 0.37, P = 0.036, respectively). A moderate correlation was observed between MBP before anesthetic induction and SVRI at 2, 5, 10, 20, and 30 min after pneumoperitoneum (R = 0.39 0.60, P < 0.05).
MBP before anesthetic induction correlated with CI at 20, and 30 min after pneumoperitoneum and with SVRI at 2, 5, 10, 20, and 30 min after pneumoperitoneum. Howerer, reduced CI at 2, 5, and 10 min after pneumoperitoneum was not correlated with MBP before anesthetic induction.
Key Words: cardiac output; correlation; laparoscopically-assisted vaginal hysterectomy; mean arterial blood pressure; partial CO2 rebreathing method; pneumoperitoneum


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