Studies Show Utility of Capnography

Eleven new studies demonstrate that capnography is the earliest indicator of ventilatory adverse events and the most accurate measure of respiratory rate. These results were presented at the annual World Congress of Anesthesiologists in Paris (France) in April 2004.

In these studies, researchers used the Microstream capnography (EtCO2) developed by Oridion Systems, Ltd. (Jerusalem, Israel). This is a dual system that provides flexible, rugged specific capnography and offers easy-to-use patient interfaces that allow for use in a wide variety of medical environments and patient conditions.

The studies showed that Microstream capnography monitoring can improve patient care during total intravenous anesthesia and can provide a reliable and rapid assessment of ventilation and circulation during neonatal resuscitation. They also showed that nonintubated Microstream capnography is an earlier indicator of hypoventilation than SpO2 (blood oxygen saturation) during sedation for colonoscopy, and is the earliest indicator of airway obstruction and apnea in morbidly obese patients recovering from general anesthesia after laparoscopic gastric bypass surgery.

"EtCO2 monitoring is the earliest indicator of adverse ventilatory events and airway obstruction, even before pulse oximetry,” noted Gerry Feldman, president of Oridion Medical.




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