Abstract
Hepatic veno-occlusive disease or sinusoidal obstruction syndrome is a potentially life-threatening complication of hematopoietic stem cell transplantation. To assessthe usefulness of point shear-wave elastography (pSWE) for theearly diagnosis of sinusoidal obstruction syndrome (SOS) in children. A retrospective study was carried out in 43 patients with suspected SOS assessed between March 2018 and November 2021. Diagnosis of SOS was confirmed in 28 patients based on the European Society for Blood and Marrow Transplantation diagnostic criteria. Abdominal ultrasound and pSWE of the liver were performed before and afterhematopoietic stem cell transplantation on first suspicion of SOS. Liver stiffness on initial suspicion was higher in patients diagnosed with SOS and these values increased compared to the pre-transplantation values. A cutoff value of 1.37m/s was found for the diagnosis of SOS, with an area under the curve of 0.779 (95% CI 0.61-0.93). Point shear wave elastography of the liver is a promising technique for theearly diagnosis of pediatric SOS.
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