![]() Study Design This is a prospective, blinded observational pilot study to monitor if changes in end-tidal CO2 levels provide incremental value over pulse oximetry when detecting respiratory difficulties (i.e., hypercapnia). Objectives: Review the possible uses of capnography in monitoring patients with lung disease. as well as its clinical significance and limitations for patient care. This activity describes the use of capnography and pulse oximetry. (ETCO2) using capnography provides a noninvasive estimate of cardiac output and organ perfusion. Capnography is a method of monitoring the concentration or partial pressure of carbon dioxide. Though capnography in the PACU has not previously been demonstrated to improve patient safety or satisfaction, capnography has never been studied in a population of patients who are at risk of obstructive sleep apnea. Measurement of end-tidal expiratory pressure of carbon dioxide. ![]() By collecting information on patient outcomes, we hope to better understand the value of this monitoring technique in an at-risk patient population. Partially kinked or occluded artificial airway Increasing etCO2 (Hypoventilation) Other Possible Causes: Decrease in respiratory rate Decrease in tidal volume Increase in metabolic rate Rapid rise in body temperature (malignant hyperthermia) 0 Resp Rate 24 60 40 20 Resp Rate 8 60 40 20 15 sec. Through this study we seek to understand how end-tidal CO2 (ETCO2) levels of patients with obstructive sleep apnea vary when patients are in the post-anesthesia care unit (PACU). These patients could benefit significantly from capnography monitoring as this measure can very accurately estimate the prevalence of respiratory complications. In a recent study of bariatric patients, approximately 15% experience postoperative pulmonary complications. Earlier detection of alterations to ventilation status will better enable providers to more accurately dose medications during procedures, especially in at-risk patient populations such as patients with obstructive sleep apnea (OSA). In this way, capnography allows healthcare professionals to follow a number of respiratory factors (i.e., depression, apnea, and hypercapnia) in real-time. Why Should I Register and Submit Results?īackground and Significance Carbon dioxide (CO2) levels can be monitored throughout the respiratory cycle via capnography.
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