- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT02438228
Cardiac Output by Nine Different Pulse Contour Algorithms
Estimation of Cardiac Output by Nine Different Pulse Contour Algorithms Compared With Transpulmonary Thermodilution
Studieöversikt
Detaljerad beskrivning
After induction of anesthesia, a central venous catheter and a transpulmonary thermodilution catheter (Pulsion Medical Systems, Munich, Germany) are introduced in the right internal jugular vein and in the femoral artery, respectively. The thermodilution catheter is connected to a PiCCO2 monitor (Software version 1.3.0.8). Thereafter, placement of an esophageal doppler probe is performed and the probe is connected to a unique Monitoring System (Deltex Medical, Chichester, UK) with nine different pulse contour algorithms. Cardiac Output by esophageal doppler is used to calibrate the nine different pulse contour algorithms.
After induction of anesthesia and establishment of all monitoring devices, a passive leg raising maneouvre (PLR) is performed and hemodynamic variables including CO by transpulmonary thermodilution (COTPTD) and CO by nine different pulse contour algorithms (COX1-9) are recorded before, during and after PLR. Subsequently, measurements of COTPTD and COX1-9 are carried out every 10 minutes until the beginning of CPB. Fifteen minutes after weaning from cardiopulmonary bypass calibration of nine different pulse contour algorithms by esophageal doppler are performed again and measurements of CITPTD and CIPFX are restarted up to the end of the surgical Intervention.
Studietyp
Inskrivning (Faktisk)
Fas
- Inte tillämpbar
Kontakter och platser
Studieorter
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Hamburg, Tyskland, 20099
- Berthold Bein
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Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
Tar emot friska volontärer
Kön som är behöriga för studier
Beskrivning
Inclusion Criteria:
- Patients > 18 years of age with a left ventricular ejection fraction ≥ 0.5.
- Patients undergoing coronary artery bypass grafting.
Exclusion Criteria:
- Patients <18 years of age and with a left ventricular ejection fraction ≤0.5 are not considered for the study.
- Emergency procedures and patients with hemodynamic instability requiring continuous pharmacologic support, intracardiac shunts, severe aortic-, tricuspid- or mitral stenosis or insufficiency and mechanical circulatory support were also excluded.
Studieplan
Hur är studien utformad?
Designdetaljer
- Tilldelning: N/A
- Interventionsmodell: Enskild gruppuppgift
- Maskning: Ingen (Open Label)
Vapen och interventioner
Deltagargrupp / Arm |
Intervention / Behandling |
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Övrig: Cardiac output measurement
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Measurement of cardiac output by transpulmonary thermodilution, nine different pulse contour algorithms and esophageal doppler before, during and after a PLR-maneouvre and every 10 minutes before and after cardiopulmonary Bypass.
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Vad mäter studien?
Primära resultatmått
Resultatmått |
Tidsram |
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Accuracy of cardiac output in l/min by nine different pulse contour algorithms compared with transpulmonary thermodilution
Tidsram: After induction of anesthesia until the end of surgery
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After induction of anesthesia until the end of surgery
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Samarbetspartners och utredare
Utredare
- Huvudutredare: Berthold Bein, MD, PhD, Asklepios Klinik St. Georg
Publikationer och användbara länkar
Allmänna publikationer
- Critchley LA, Lee A, Ho AM. A critical review of the ability of continuous cardiac output monitors to measure trends in cardiac output. Anesth Analg. 2010 Nov;111(5):1180-92. doi: 10.1213/ANE.0b013e3181f08a5b. Epub 2010 Aug 24.
- Suehiro K, Tanaka K, Funao T, Matsuura T, Mori T, Nishikawa K. Systemic vascular resistance has an impact on the reliability of the Vigileo-FloTrac system in measuring cardiac output and tracking cardiac output changes. Br J Anaesth. 2013 Aug;111(2):170-7. doi: 10.1093/bja/aet022. Epub 2013 Mar 10.
- Schloglhofer T, Gilly H, Schima H. Semi-invasive measurement of cardiac output based on pulse contour: a review and analysis. Can J Anaesth. 2014 May;61(5):452-79. doi: 10.1007/s12630-014-0135-8. Epub 2014 Mar 19.
- Smetkin AA, Hussain A, Kuzkov VV, Bjertnaes LJ, Kirov MY. Validation of cardiac output monitoring based on uncalibrated pulse contour analysis vs transpulmonary thermodilution during off-pump coronary artery bypass grafting. Br J Anaesth. 2014 Jun;112(6):1024-31. doi: 10.1093/bja/aet489. Epub 2014 Feb 13.
- Huang L, Critchley LA. An assessment of two Doppler-based monitors to track cardiac output changes in anaesthetised patients undergoing major surgery. Anaesth Intensive Care. 2014 Sep;42(5):631-9. doi: 10.1177/0310057X1404200514.
- Singer M. Oesophageal Doppler. Curr Opin Crit Care. 2009 Jun;15(3):244-8. doi: 10.1097/MCC.0b013e32832b7083.
- Broch O, Bein B, Gruenewald M, Masing S, Huenges K, Haneya A, Steinfath M, Renner J. Accuracy of Cardiac Output by Nine Different Pulse Contour Algorithms in Cardiac Surgery Patients: A Comparison with Transpulmonary Thermodilution. Biomed Res Int. 2016;2016:3468015. doi: 10.1155/2016/3468015. Epub 2016 Dec 28.
Studieavstämningsdatum
Studera stora datum
Studiestart
Primärt slutförande (Faktisk)
Avslutad studie (Faktisk)
Studieregistreringsdatum
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Första postat (Uppskatta)
Uppdateringar av studier
Senaste uppdatering publicerad (Uppskatta)
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Mer information
Termer relaterade till denna studie
Andra studie-ID-nummer
- AZ-138
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