Key result
Marked preoperative QT dispersion is linked to severe intraoperative cardiac complications during liver transplantation.
Why the study?
Increased QT dispersion reflects uneven ventricular repolarization as a sign of cardiomyopathy in liver transplant recipients, but its clinical relevance was not well defined.
Does preoperative QT dispersion analysis predict intraoperative cardiac complications in adult liver transplant recipients?
Population
100 adult liver transplant recipients and 20 healthy control subjects
Comparison
Liver transplant recipients vs healthy control subjects
Design
Observational cohort study
Follow-up
Intraoperative period
Authors
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QT dispersion >65 ms may flag cardiomyopathy in liver transplant candidates with storage diseases; hypothesis-generating for preoperative risk stratification.
Observational (n=120)
Does preoperative QT dispersion analysis predict intraoperative cardiac complications in adult liver transplant recipients?
Preoperative analysis of QT dispersion is a noninvasive technique that may help predict intraoperative cardiac complications in liver transplant candidates, particularly those with liver storage diseases.
Tallgren et al. (1996) conducted an observational in Liver transplant recipients (n=120). Liver transplant recipient status vs. Healthy control subjects was evaluated on Increased QT dispersion (>65 ms). Preoperative QT dispersion was increased (>65 ms) in 12% of adult liver transplant recipients, and markedly increased levels (≥99 ms) were associated with severe intraoperative cardiac complications.
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