Endotracheal Cardiac Output Monitor

Wallace, Arthur W.; Salahieh, Ali; Lawrence, Andrew; Spector, Ken; Owens, C M; Alonso, David

doi:10.1097/00000542-200001000-00030

Cited by 39 publications

(19 citation statements)

References 27 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…All patients were intubated with a 7.5-mm ECOM endotracheal tube (ECOM-ETT 7.5 G, ConMed, Utica, NY) after the induction of general anesthesia. This endotracheal tube is specially designed and contains seven silver electrodes on the cuff and tube that continuously measure the bioimpedance signal from the ascending aorta, in close proximity to the trachea [11]. After processing, it provides real-time continuous stroke volume and cardiac index values.…”

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Can endotracheal bioimpedance cardiography assess hemodynamic response to passive leg raising following cardiac surgery?

et al. 2012

View full text Add to dashboard Cite

BackgroundThe utility of endotracheal bioimpedance cardiography (ECOM) has been scarcely reported. We tested the hypothesis that it could be an alternative to pulse contour analysis for cardiac index measurement and prediction in fluid responsiveness.MethodsTwenty-five consecutive adult patients admitted to the intensive care unit following conventional cardiac surgery were prospectively included and investigated at baseline, during passive leg raising, and after fluid challenge. Comparative cardiac index data points were collected from pulse contour analysis (CIPC) and ECOM (CIECOM). Correlations were determined by linear regression. Bland-Altman analysis was used to compare the bias, precision, and limits of agreement. Percentage error was calculated. Changes in CIPC (ΔCIPC) and CIECOM (ΔCIECOM) during passive leg raising were collected to assess their discrimination in predicting fluid responsiveness.ResultsA significant relationship was found between CIPC and CIECOM (r = 0.45; P < 0.001). Bias, precision, and limits of agreement were 0.44 L.min-1.m-2 (95% confidence interval, 0.33-0.56), 0.59 L.min-1.m-2, and −0.73 to 1.62 L.min-1.m-2, respectively. Percentage error was 45%. A significant relationship was found between percent changes in CIPC and CIECOM after fluid challenge (r = 0.42; P = 0.035). Areas under the ROC curves for ΔCIPC and ΔCIECOM to predict fluid responsiveness were 0.72 (95% confidence interval, 0.5–0.88) and 0.81 (95% confidence interval, 0.61-0.94), respectively.ConclusionsECOM is not interchangeable with pulse contour analysis but seems consistent to monitor cardiac index continuously and could help to predict fluid responsiveness by using passive leg raising.

show abstract

Section: Methodsmentioning

confidence: 99%

“…The ECOM device was first evaluated in an animal study, which suggested this new technology was both promising and safe [11]. Since then, validation studies have been scarcely reported in humans [12-14].…”

Section: Introductionmentioning

confidence: 99%

Can endotracheal bioimpedance cardiography assess hemodynamic response to passive leg raising following cardiac surgery?

et al. 2012

View full text Add to dashboard Cite

show abstract

“…Because the tracheal mucosa produces mucous and fluid, the endotracheal cardiac output monitor (ECOM) electrodes have been designed to reduce the effects of fluid and mucous buildup. This device appears promising, and preliminary data indicate adequate reliability of this device [49-51]. The main disadvantage of ECOM is the need for an endotracheal tube and mechanical ventilation.…”

Section: Reviewmentioning

confidence: 99%

Applications of minimally invasive cardiac output monitors

et al. 2012

View full text Add to dashboard Cite

Because of the increasing age of the population, critical care and emergency medicine physicians have seen an increased number of critically ill patients over the last decade. Moreover, the trend of hospital closures in the United States t imposes a burden of increased efficiency. Hence, the identification of devices that facilitate accurate but rapid assessments of hemodynamic parameters without the added burden of invasiveness becomes tantamount. The purpose of this review is to understand the applications and limitations of these new technologies.

show abstract

“…Increased blood flow in the aorta leads to decreased impedance. Apart from CO, also displayed are HR, ECG waveforms, SV, CI, and SVR [120]. …”

Section: Endotracheal Cardiac Output Monitormentioning

confidence: 99%

“…A porcine study found excellent correlation when compared with transit time flow probes [120]. A study in cardiac-surgery patients reported poor correlation with TD, wide limits of agreement and a large percentage error [121].…”

Section: Endotracheal Cardiac Output Monitormentioning

confidence: 99%

Cardiac Output Assessed by Invasive and Minimally Invasive Techniques

Lee

Cohn

Ranasinghe

2011

Anesthesiology Research and Practice

View full text Add to dashboard Cite

Cardiac output (CO) measurement has long been considered essential to the assessment and guidance of therapeutic decisions in critically ill patients and for patients undergoing certain high-risk surgeries. Despite controversies, complications and inherent errors in measurement, pulmonary artery catheter (PAC) continuous and intermittent bolus techniques of CO measurement continue to be the gold standard. Newer techniques provide less invasive alternatives; however, currently available monitors are unable to provide central circulation pressures or true mixed venous saturations. Esophageal Doppler and pulse contour monitors can predict fluid responsiveness and have been shown to decrease postoperative morbidity. Many minimally invasive techniques continue to suffer from decreased accuracy and reliability under periods of hemodynamic instability, and so few have reached the level of interchangeability with the PAC.

show abstract

Endotracheal Cardiac Output Monitor

Abstract: Endotracheal CO monitor is a promising technology that needs further evaluation in clinical trials.

Cited by 39 publications

References 27 publications

Can endotracheal bioimpedance cardiography assess hemodynamic response to passive leg raising following cardiac surgery?

Can endotracheal bioimpedance cardiography assess hemodynamic response to passive leg raising following cardiac surgery?

Applications of minimally invasive cardiac output monitors

Cardiac Output Assessed by Invasive and Minimally Invasive Techniques

Contact Info

Product

Resources

About