Redefining Budd-Chiari syndrome: A systematic review

Figure 1 Flow diagram of studies selection. ¹Searches conducted with MEDLINE results removed; ²Studies missing key clinical information including clear inclusion and exclusion criteria, clear diagnostic parameters, etc., and studies that investigated subpopulations (e.g., BCS patients requiring liver transplantation, BCS patients without MPN, etc.); ³Studies focused on other categories (e.g., causes of liver failure). BCS: Budd-Chiari syndrome; MPN: Myeloproliferative neoplasms.