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CardioQ™ Validation Papers

  1. Dark P. Trans-oesophageal Doppler derived cardiac output: is it valid in clinical practice? British Journal of Intensive Care 2006 Spring
  2. Devanand A. Clinical Trial: Continuous hemodynamic monitoring by esophageal Doppler in severe sepsis. 2005
  3. English JD, Moppett IK. Feasibility of performing transoesophageal Doppler measurements in awake, unpremedicated, healthy volunteers. 2005
  4. Sharma J, Bhise M, Singh A, Mehta Y, Trehan N. Hemodynamic measurements after cardiac surgery: transesophageal Doppler versus pulmonary artery catheter. J Cardiothorac Vasc Anesth 2005; 19(6):746-750
  5. Vallee F, Fourcade O, De Soyres O, Angles O, Sanchez-Verlaan P, Pillard F, Smail N, Olivier M, Genestal M, Samii. Stroke output variations calculated by esophageal Doppler is a reliable predictor of fluid response. Intensive Care Med 2005; 31:1388-1393
  6. Walker D, Usher S, Hartin J, Adam S, Brandner B, Chieveley-Williams S. Early experiences with the new awake oesophageal Doppler probe. 2005
  7. Bein B, Worthmann F, Tonner PH, Paris A, Steinfath M, Hedderich J, Scholz J. Comparison of esophageal Doppler, pulse contour analysis, and real-time pulmonary artery hermodilution for the continuous measurement of cardiac output. J Cardiothorac Vasc Anesth 2004;18(2):185-189
  8. Dark PM, Singer M. The validity of trans-esophageal Doppler ultrasonography as a measure of cardiac output in critically ill adults. Intensive Care Med 2004; 30:2060-2066
  9. KwangMin K, InSuk K, HyunMook C, TaeHyung H. Comparison of cardiac outputs of major burn patients undergoing extensive early escharectomy: esophageal Doppler monitor versus thermodilution pulmonary artery catheter. J Trauma 2004; 57(5):1013-1017
  10. Chew MS, Poelaert J. Accuracy and repeatability of pediatric cardiac output measurement using Doppler: 20-year review of the literature. Intensive Care Med 2003; 29(11):1889 -1894
  11. Cholley BP, Singer M. Esophageal Doppler: Noninvasive Cardiac Output Monitor.Echocardiography: A Jrnl Of CV Ultrasound & Allied Tech 2003; 20:8:763
  12. Gunn S, Harrigan P, Pinsky MR. Ability of arterial pulse contour and esophageal pulsed Doppler measures to estimate rapid changes in left ventricular output. 2003
  13. Hullett B, Gibbs N, Weightman W, Thackray M, Newman M. A comparison of CardioQ™ and thermodilution cardiac output during off-pump coronary artery surgery. J Cardiothorac Vasc Anesth 2003; 17:728-732
  14. Iregui MG, Prentice D, Sherman G, Schallom L, Sona C, Kollef MH. Physicians' estimates of cardiac index and intravascular volume based on clinical assessment versus tranesophageal Doppler measurements obtained by critical care nurses. Am J Crit Care 2003; 12(4):336-342
  15. Roeck M, Jakob SM, Boehlen T, Brander L, Knuesel R, Takala J. Change in stroke volume in response to fluid challenge: assessment using esophageal Doppler. Intensive Care Med 2003; 29(10):1729-1735
  16. Seoudi HM, Perkal MF, Hanrahan A, Angood PB. The esophageal Doppler monitor in mechanically ventilated surgical patients: Does it work? The Journal of Trauma, Injury, Infection, and Critical Care 2003; 55(4): 720-726
  17. Mohan UR, Britto J, Habibi P, Munter C, Nadel S. Noninvasive measurement of cardiac output in critically ill children. Pediatr Cardiol 2002; 23(1):58-61
  18. Kodakat SK, Delaguila M, Trivedi U, Kong R. Oesophageal Doppler monitoring of descending aortic blood flow velocity during pump-off coronary artery bypass surgery. Crit Care 2001; 5(4):1-8
  19. Odenstedt H, Aneman A, Svensson M, Oi Y, Stenqvist O, Lundin S. Descending aortic blood flow and cardiac output: A clinical and experimental study of continuous oesophageal echo-Doppler flowmetry. Acta Anaesthesiol Scand 2001; 45:180-187
  20. Tibby SM, Hatherhill M, Durward A, Murdoch IA. Are transesophageal Doppler parameters a reliable guide to paediatric haemodynamic status and fluid management? Intensive Care Med 2001; 27:201-205
  21. Penny JA, Anthony J, Shennan AH, de Swiet M, Singer M. A comparison of hemodynamic data derived by pulmonary artery flotation catheter and the esophageal Doppler monitor in preeclampsia. Am J Obstet Gynecol 2000 ; 183:658-661
  22. Shaw AD, Weavind LM, Parmley L. Comparison of thermodilution, esophageal Doppler and transesophageal echocardiography data in the hemodynamic assessment of critically ill cancer patients. Crit Care Med 2000; 28:12, 159/M65
  23. Tibby SM, Hatherill M, Murdoch IA. Use of transesophageal Doppler ultrasonography in ventilated pediatric patients: Derivation of cardiac output. Crit Care Med 2000; 28(6):2045-2050
  24. Madan AK, UyBarreta VV, Aliabadi-Wahle S, Jesperson R, Hartz R, Flint LM, Steinberg SM. Esophageal Doppler ultrasound monitor versus Pulmonary Artery Catheter in the hemodynamic management of critically iII surgical patients. The Journal of Trauma Injury, Infection & Critical Care1999; 46(4):607-611
  25. Marik PE. Pulmonary Artery Catheterization and esophageal Doppler monitoring in the ICU. Chest1999; 116:1085-1091
  26. Guzzetta NA, Ramsay JG, Bailey JM, Palmer-Steele C. Clinical Evaluation of the esophageal Doppler Monitor for continuous cardiac output monitoring. Anesth Analg 1998 86:SCA1-SCA124
  27. Latham P, Greilich PE, DiCorte CJ, Cooley MV, Grayburn PA, Jessen ME. Esophageal Doppler monitoring (EDM): the effect of preload, afterload, and contractility on peak velocity. Ann Thorac Surg 1998
  28. Matthews PC. Cardiac output measurement using the TECO 1 oesophageal Doppler monitor. A comparison with thermodilution. International Journal of Intensive Care 1998 Autumn
  29. Valtier B, Cholley BP, Belot JP, de la Coussaye JE, Mateo J, Payen DM. Noninvasive monitoring of cardiac output in critically ill patients using transesophageal Doppler. Am J Respir Crit Care Med 1998; 158:77-83
  30. Nakatsuka M, Fisher RA, Ham JM, Seaman DS, Posner MP. Validation of the esophageal doppler cardiac function monitor with the standard thermodilution method during liver transplantation. Anesth Analg 1997; S4, SCA1-SCA127
  31. Sorohan J, Gilber HC, Atwell D, Sladen RN, Votapka TV, O'Connor BO, Mythen MG. Dual-Center validation of an esopahageal Doppler continuous cardiac output monitor. Crit Care Med 1997
  32. Klotz KF, Klingsiek S, Singer M, Wenk H, Eleftheriadis S, Juppe H, Schmucker P. Continuous measurement of cardiac output during aortic cross-clamping by the oesophageal Doppler monitor ODM 1. Br J Anesth 1995; 74:655-660
  33. Murdoch IA, Marsh MJ, Tibby SM, McLuckie A. Continuous haemodynamic monitoring in children: use of transesophageal Doppler. Acta Paediatr 1995; 84:761-764
  34. Singer M, Payen DM, Webb AR. Haemodynamic monitoring in surgical and intensive care, haemodynamic management: are we doing it right? International Proceedings Journal 1994 Vol 1, No 1
  35. Singer M, Vermatt J, Hall G, Latter G, Patel M. Hemodynamic effects of manual hyperinflation in critically ill mechanically ventilated patients. Chest 1994; 106:1182-1087
  36. Lefrant JY, Aya G, de La Coussaye JE, Bassoul B, Auffray JP, Eledjam JJ. Comparison of cardiac output measured by esophageal Doppler vs Thermodilution. Intensive Care Med 1992; 18(2):S177, P238
  37. Singer M, Bennett ED. Noninvasive optimization of left ventricular filling using esophageal Doppler. Crit Care Med 1991; 19(9):1132-1137
  38. Singer M, Bennett ED. Optimisation of positive end expiratory pressure for maximal delivery of oxygen to tissues using oesophageal Doppler ultrasonography. Br Med J 1989; 298:1350-1353
  39. Singer M, Clarke J, Bennett ED. Continuous hemodynamic monitoring by esophageal Doppler. Crit Care Med 1989; 17(5):447-452
  40. Fisher DC, Sahn DJ, Friedman MJ, Larson D, Lilliam MS, Valdes-Cruz M, Horowitz S Goldberg SJ, Allen HD. The mitral valve orifice method for noninvasive two-dimensional echo Doppler determinations of cardiac output. Circ 1983; 67(4):872-877
  41. Cuschien J, Rivers E, Caruso J, Hays G, Dereczyk B, Ong R, Pamukov N, Guslits B, Katilius M, Horst HM. A comparison of transesophageal Doppler thermodilution and Fick cardiac output measurements in critically ill patients.
  42. De Castro V, Goarin JP, Lhotel L, Mabrouk N, Perel A, Coriat P. Comparison of stroke volume (SV) and stroke volume respiratory variation (SVV) measured by the axillary artery pulse-contour method and by aortic Doppler echocardiography in patients undergoing aortic. Br J Anaesth 2006; 97(5):605-610
  43. Kincaid EH, Fly MG, Chang MC. Noninvasive measurements of preload using esophageal Doppler are superior to pressure-based estimates in critically injured patients.