Assessing Superior Vena Cava Measurements in Liver Transplantation
Author Information
Author(s): Argalious Maged Y., Halvorson Sven, Seif John, Khanna Sandeep, Wang Mi, Cywinski Jacek B.
Primary Institution: Cleveland Clinic, Integrated Hospital Care Institute, Department of Anesthesiology, Multispecialty Anesthesiology, Cleveland, USA
Hypothesis
SVC diameter and SVC collapsibility index correlate with CVP measurement in recipients undergoing liver transplantation surgery.
Conclusion
The study found a weak correlation between SVC measurements and CVP, making them unsuitable as replacements for CVP measurements in liver transplant recipients.
Supporting Evidence
- The minimum SVC exhibited a mild significant correlation with CVP.
- The maximum SVC also showed a mild correlation with CVP.
- The correlation between SVC collapsibility index and CVP was not significantly different from zero.
- The study included 58 patients undergoing liver transplantation.
- Statistical analysis showed weak positive correlations despite statistical significance.
Takeaway
Doctors looked at the size of a vein in the neck during liver surgery to see if it could help them understand how much fluid the patient needs, but it didn't work well.
Methodology
This was a single center prospective observational trial of patients with end stage liver disease undergoing liver transplantation.
Potential Biases
Exclusion of patients who could not undergo TEE measurements may introduce selection bias.
Limitations
The study's results may not be generalizable due to being a single center study and the advanced expertise required for TEE measurements.
Participant Demographics
Patients aged 18 to 80 with end stage liver disease; 29% female, 83% white.
Statistical Information
P-Value
p<0.001
Confidence Interval
98.3% CI: 0.11 to 0.42 for minimum SVC, 0.19 to 0.48 for maximum SVC
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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