Abstract
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 hematopoietic cell transplantation (HCT). Despite its relatively low incidence and the spontaneous resolution of most SOS/VOD cases, severe SOS/VOD evolved to multi-organ failure with an >80% mortality rate and represents one of the major clinical problems after HCT. The sinusoidal endothelial cells and hepatocytes are damaged by toxic metabolites generated by the conditioning regimen in these patients. Several risk factors have been identified for SOS/VOD development. Although defibrotide is recommended for both prevention and treatment, no satisfactory therapy exists for managing severe SOS/VOD. Thus, this review describes the new definition of SOS/VOD diagnosis and the severity grading of suspected SOS/VOD from the European Society for Blood and Marrow Transplantation. Furthermore, it describes the results of current treatment including the Japanese therapeutic use program, defibrotide treatment protocol.
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Schedule a callMore From: [Rinsho ketsueki] The Japanese journal of clinical hematology
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