Novel device for monitoring respiratory rate during endoscopy-A thermodynamic sensor  

作　　者：Vaibhav Wadhwa Adalberto J Gonzalez Kristen Selema Ronen Feldman Rocio Lopez John J Vargo 

机构地区：[1]Department of Gastroenterology and Hepatology,Cleveland Clinic Florida,Weston,FL 33324,United States [2]Department of Internal Medicine,Cleveland Clinic Florida,Weston,FL 33331,United States [3]Department of Technology,Artep Incorporated,Elliot City,MD 21042,United States [4]Department of Quantitative Health Sciences,Cleveland Clinic,Cleveland,OH 44195,United States [5]Department of Gastroenterology and Hepatology,Digestive Disease and Surgery Institute,Cleveland Clinic,Cleveland,OH 44195,United States

出　　处：《World Journal of Gastrointestinal Pharmacology and Therapeutics》2019年第3期57-66,共10页世界胃肠药理与治疗学杂志（英文版）（电子版）

摘　　要：BACKGROUND Monitoring ventilation accurately is an indispensable aspect of patient care in procedural settings.The current gold standard method of monitoring ventilation is by measuring exhaled carbon dioxide concentration,known as capnography.A new device utilizing thermodynamic measurement,the Linshom Respiratory Monitoring Device(LRMD),has been designed to measure respiratory rate(RR)by using the temperature of exhaled breath.We hypothesized that the temperature sensor is at least equivalent in accuracy to capnography in monitoring ventilation.AIM To determine if the temperature sensor is equivalent to capnography in monitoring procedural ventilation.METHODS In this prospective study,participants were individually fitted with a face mask monitored by both LRMD and capnography.The following data were collected:gender,age,body mass index,type of procedure,and doses of medication.For each patient,we report the mean RR for each device as well as the mean difference.All analyses were performed using SAS,and a P<0.05 was considered statistically significant.RESULTS Twelve consecutive patients undergoing endoscopic procedures at our institution were enrolled.Four patients were excluded due to incomplete data,inadequate data,patient cooperation,and capnography failure.Overall,we found that LRMD RR highly correlated to capnography RR(P<0.001);the average capnography RR increases by 0.66 breaths for every one additional breath measured by the LRMD.In addition,apnea rates were 7.4%for the capnography and 6.4%for the LRMD(95%confidence interval:0.92-1.10).CONCLUSION The LRMD correlated with the gold standard capnography with respect to respiratory rate detection and apnea events.The LRMD could be used as an alternative to capnography for measuring respiration in endoscopy.BACKGROUND Monitoring ventilation accurately is an indispensable aspect of patient care in procedural settings. The current gold standard method of monitoring ventilation is by measuring exhaled carbon dioxide concentration, known as capnography. A new device utilizing thermodynamic measurement, the Linshom Respiratory Monitoring Device(LRMD), has been designed to measure respiratory rate(RR)by using the temperature of exhaled breath. We hypothesized that the temperature sensor is at least equivalent in accuracy to capnography in monitoring ventilation.AIM To determine if the temperature sensor is equivalent to capnography in monitoring procedural ventilation.METHODS In this prospective study, participants were individually fitted with a face mask monitored by both LRMD and capnography. The following data were collected:gender, age, body mass index, type of procedure, and doses of medication. For each patient, we report the mean RR for each device as well as the mean difference. All analyses were performed using SAS, and a P < 0.05 was considered statistically significant.RESULTS Twelve consecutive patients undergoing endoscopic procedures at our institution were enrolled. Four patients were excluded due to incomplete data, inadequate data, patient cooperation, and capnography failure. Overall, we found that LRMD RR highly correlated to capnography RR(P < 0.001); the average capnography RR increases by 0.66 breaths for every one additional breath measured by the LRMD. In addition, apnea rates were 7.4% for the capnography and 6.4% for the LRMD(95% confidence interval: 0.92-1.10).CONCLUSION The LRMD correlated with the gold standard capnography with respect to respiratory rate detection and apnea events. The LRMD could be used as an alternative to capnography for measuring respiration in endoscopy.

关 键 词：SEDATION CAPNOGRAPHY Linshom THERMODYNAMIC SENSOR ENDOSCOPY 

分 类 号：R[医药卫生]