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Background:  Using transthoracic echocardiography, including 2D speckle tracking imaging (STI), this study examined cardiac function after domino liver transplantation (DLT) with liver grafts explanted from patients with hereditary amyloidogenic transthyretin amyloidosis.  Methods and Results:  In all, 14 patients who underwent DLT at Kumamoto University Hospital and for whom 2D STI information was available were enrolled in the study; time-dependent echocardiographic changes were evaluated in 7. Although left ventricular (LV) systolic and diastolic function did not differ between the pre- and post-DLT periods (mean [±SD] 5.4±1.0 years after DLT), there were significant (P&lt;0.05 for all) increases in the post- vs. pre-DLT period in basal longitudinal strain (LS; -13.4±2.3 vs. -19.3±4.4), relative apical LS index (=apical LS/[basal LS+mid LS]; 0.75±0.20 vs. 0.58±0.08), and LV ejection fraction/global LS (3.91±0.58 vs. 3.06±0.44). Age at the time of DLT was significantly higher in the group with impaired (&gt;-14%) than preserved basal LS (57.2±3.5 vs. 39.6±16.0 years; P&lt;0.05). When control subjects (n=14) were added to the enrolled DLT recipients, multivariable logistic regression analysis revealed that a history of DLT was significantly associated with impaired basal LS (&gt;-14%; odds ratio 28.39, 95% confidence interval 1.89-427.45, P&lt;0.05).  Conclusions:  LV systolic and diastolic function was preserved in the long term after DLT. However, 2D STI revealed subtle cardiac dysfunction in DLT recipients, which may be an early manifestation of cardiac amyloidosis.

circulation reports

Temporal Change in Longitudinal Strain After Domino Liver Transplantation With Liver Grafts Explanted From Patients With Hereditary Amyloidogenic Transthyretin Amyloidosis