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Published on: August 2, 2024
Association between preoperative diastolic dysfunction and early allograft dysfunction after orthotopic liver
Luigi Vetrugno1, Vittorio Cherchi2, Victor Zanini3
1Department of Medical, Oral, and Biotechnological Sciences, University of Chieti-Pescara, Chieti, Italy.
Objectives:
To investigate the association between the grade of diastolic dysfunction (DD) and the occurrence of early allograft dysfunction (EAD) in liver transplant patients following the new 2016 American Society of Echocardiography/European Association of Cardiovascular Imaging (ASE/EACVI) guidelines.
Methods:
From January 2015 to December 2019, we retrospectively analyzed 83 patients who underwent orthotopic liver transplantation (OLTx) and their susceptibility to develop EAD according to the grade of preoperative DD. EAD was defined according to the criteria proposed by Olfhoff et al.; DD was defined with four parameters: E/A, e/e', Left Atrium volume, and Tricuspid Regurgitation velocity.
Results:
According to the ASE/EACVI guidelines grade II DD was detected in 20 patients (24.1%) undergoing OLTx. A statistically significant association was found between grade II DD and the occurrence of EAD (p-value < 0.003). The Kaplan-Meier analysis failed to find any significant difference between the survival probability, nevertheless at the end of a 90-day follow-up period, mortality showed a different trend in classes with more severe diastolic dysfunction.
Conclusion:
According to the ASE/EACVI guidelines from 2016, patients with grade II DD seem to have a higher propensity to develop early allograft dysfunction EAD after OLTx. Our study advises a need for an urgent prospective multicenter study to elucidate the long-term outcomes of liver transplants patients with diastolic dysfunction.
