Hemodynamic alterations are a well-known phenomenon that influence the outcome of orthotopic liver transplantation (OLT). Whether or not myocardial dysfunction, which has various causes, contributes to this instability is still debated. Previous transesophageal echocardiography (TEE) studies have presented controversial data, not leading to final clarification. This is mainly because the impact of other contributing factors (inotropic support, alternating preload conditions and temperature) remained unaccounted for. We therefore measured the left ventricular shortening fraction (LVSF), a parameter reflecting myocardial contractility, in 10 consecutive patients undergoing OLT without veno-venous bypass. We measured during preparation (PP), during the anhepatic (AP) phase and the immediate reperfusion phase (RP). During the AP we observed a significant decrease of LVSF which never fell to subnormal levels in the majority of our patients, whereas during the RP, LVSF returned to PP values. These findings support the assumption that myocardial function is influenced by OLT, but that it plays only a minor role in the occurrence of hemodynamic instability, which could mainly be attributed to volume fluctuations.
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- AP :
- CI :
- EF :
- HR :
- LVSF :
Left ventricular fractional shortening
- MAP :
Mean arterial pressure
- OLT :
Orthotopic liver transplantation
- PP :
Preparation phase at hemodynamic stability
- RP :
- TEE :
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Krenn, C.G., Hoda, R., Nikolic, A. et al. Assessment of ventricular contractile function during orthotopic liver transplantation. Transpl Int 17, 101–104 (2004). https://doi.org/10.1007/s00147-003-0668-1
- Orthotopic liver transplantation
- Ventricular function
- Echocardiography-shortening fraction