149 CONTINUOUS MONITORING OF PO2 FOLLOWING CAR DIAC SURGERY

Continuous PO2 and PCO2 monitoring in the neonate.

From the physiological point of view it is important to stress that the c l i n i c a l l y interesting ränge for Pco2 is much smaller than for Po2· So, in pr inc ip le , the accuracy and reproducibi l i ty of the technique has to be better than with transcutaneous Po2Furthermore, because the Co2 molecule reacts with water and carbonic acid is formed slowly dissociating into H and HCos", the el...

Comparing Numerical Integration Schemes for Time-Continuous Car-Following Models

When simulating trajectories by integrating time-continuous car-following models, standard integration schemes such as the forth-order Runge-Kutta method (RK4) are rarely used while the simple Euler’s method is popular among researchers. We compare four explicit methods: Euler’s method, ballistic update, Heun’s method (trapezoidal rule), and the standard forth-order RK4. As performance metrics,...

Postoperative Monitoring Following Jaw Surgery Is Essential

Though there are no available statistics, about 5,000 cosmetic jaw operations seem to be performed yearly in South Korea [1]. The frequency of jaw surgery is increasing in South Korea and in the United States. Recently, serious complications, including mortality, have been reported in the mass media. An editorial of a Korean daily newspaper insisted that the Korean Medical Association and the a...

Continuous monitoring of mixed venous oxygen saturation during aortic surgery.

The correlation between mixed venous oxygen saturation (SvO2) and hemodynamic measurements was studied in 13 patients undergoing descending thoracic aortic aneurysm resection (DTAAR). A significant correlation (p less than 0.05) was found between cardiac index (CI) and SvO2 after the induction of anesthesia and at the end of surgery. However, no significant correlation could be found between Sv...

Reliability of transcutaneous monitoring of arterial PO2 in newborn infants.