Risk factors for SVT
| Risk factors . | 
|---|
| Abdominal disorders and interventions | 
| Acute | 
| Pancreatitis | 
| Peritonitis and intraabdominal sepsis | 
| Inflammatory bowel disease | 
| Diverticulitis | 
| Hydatidosis | 
| Splenectomy | 
| General abdominal surgery | 
| Sclerotherapy for esophageal varices | 
| Abdominal trauma | 
| Chronic | 
| Cirrhosis | 
| Abdominal cancer | 
| Portal hypertension | 
| Hematological disorders | 
| Philadelphia chromosome negative chronic MPNs | 
| Polycythemia vera | 
| Essential thrombocythemia | 
| Idiopathic myelofibrosis | 
| PNH | 
| Inherited thrombophilic state | 
| Antithrombin deficiency | 
| Protein C deficiency | 
| Protein S deficiency | 
| Factor V Leiden | 
| G20210A mutation in prothrombin gene | 
| Antiphospholipid syndrome | 
| Hormones | 
| Oral contraceptives | 
| Hormonal replacement therapy | 
| Pregnancy | 
| Puerperium | 
| Virus | 
| Cytomegalovirus | 
| Autoimmune disorders | 
| Behçet's disease | 
| Hypereosinophilic syndrome | 
| Other | 
| Membranous webs | 
| New biological marker of subclinical disorders | 
| JAK2V617 mutation | 
| Risk factors . | 
|---|
| Abdominal disorders and interventions | 
| Acute | 
| Pancreatitis | 
| Peritonitis and intraabdominal sepsis | 
| Inflammatory bowel disease | 
| Diverticulitis | 
| Hydatidosis | 
| Splenectomy | 
| General abdominal surgery | 
| Sclerotherapy for esophageal varices | 
| Abdominal trauma | 
| Chronic | 
| Cirrhosis | 
| Abdominal cancer | 
| Portal hypertension | 
| Hematological disorders | 
| Philadelphia chromosome negative chronic MPNs | 
| Polycythemia vera | 
| Essential thrombocythemia | 
| Idiopathic myelofibrosis | 
| PNH | 
| Inherited thrombophilic state | 
| Antithrombin deficiency | 
| Protein C deficiency | 
| Protein S deficiency | 
| Factor V Leiden | 
| G20210A mutation in prothrombin gene | 
| Antiphospholipid syndrome | 
| Hormones | 
| Oral contraceptives | 
| Hormonal replacement therapy | 
| Pregnancy | 
| Puerperium | 
| Virus | 
| Cytomegalovirus | 
| Autoimmune disorders | 
| Behçet's disease | 
| Hypereosinophilic syndrome | 
| Other | 
| Membranous webs | 
| New biological marker of subclinical disorders | 
| JAK2V617 mutation |