Perioperative haemostatic disorders and coagulopathies in cardiac surgery patients, including functional fibrinogen disturbances and residual heparin effects following protamine administration in the context of cardiopulmonary bypass.
Conditions
Interventions
Group 1: Observation of cardiac surgery patients under routine care with perioperative viscoelastic coagulation monitoring (Multiclot®) and parallel standard laboratory coagulation testing. No study-r
Sponsors
Universitätsklinikum Bonn, Klinik für Anästhesie und Operative Intensivmedizin
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: Performing cardiac surgery, conducting viscoelastic and coagulation testing as part of routine clinical practice
Exclusion criteria
Exclusion criteria: No Multiclot testing performed, No coagulation testing performed
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Correlation coefficient (Pearson or Spearman, depending on the assumption of distribution) between the measurements from the Multiclot FIB-test and the laboratory-based fibrinogen assay according to Clauss. Bland-Altman analysis to determine the mean deviation (bias) and the limits of agreement (LoA = bias ± 1.96 SD) between the two measurement methods | — |
Secondary
| Measure | Time frame |
|---|---|
| Changes in HI-test parameters before vs. after protamine administration. Descriptive analysis of additional diagnostic information using Multiclot. | — |
Countries
Germany
Contacts
Public ContactFlorian Piekarski
Universitätsklinikum Bonn, Klinik für Anästhesiologie und Operative Intensivmedizin
Outcome results
None listed