Diagnosis and Treatment of Sinusoidal obstruction syndrome (Veno-occlusive disease) after Haematopoietic cell transplantation

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  • Kikuta Atsushi
    Department of Pediatric Oncology, Fukushima Medical University Department of Medical Oncology and Hematology, Kobe University Hospital
  • Yakushijin Kimikazu
    Department of Pediatric Oncology, Fukushima Medical University Department of Medical Oncology and Hematology, Kobe University Hospital

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  • 造血細胞移植後における肝中心静脈閉塞症（SOS/VOD）の診断と治療

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 Sinusoidal obstruction syndrome (SOS), also called veno-occlusive disease (VOD) of the liver, is one of the most relevant complications of hepatic sinusoidal endothelial origin that appears early after haematopoietic cell transplantation (HCT). Despite its relatively low incidence and the fact that most cases of SOS/VOD resolve spontaneously, in the severe SOS/VOD that evolve to multi-organ failure have a mortality rate higher than 80% and represent one of the major clinical problems after HCT. In these patients, the sinusoidal endothelial cells and hepatocytes are damaged by toxic metabolites generated by the conditioning regimen. Several risk factors have been identified for the development of SOS/VOD. Despite defibrotide is recommended for both prevention and treatment, there is no satisfactory therapy for managing severe SOS/VOD. In the present review we report the new definition for late onset SOS/VOD diagnosis and severity grading by the European Society for Blood and Marrow Transplantation, results of nationwide survey in Japan and current treatment.

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