Comparison between different studies conducted in Saudi Arabia to investigate clinical features of CVT.
| City: period of records review [Reference] | Jazan: 2010 -2019 Current study | Khobar: 2008-201813 | Jeddah & Al-Baha 1990-20107 | Riyadh: 2005-200814 |
|---|---|---|---|---|
| Number of patients | 51 | 26 | 111 | 22 |
| Mean age of patients | 33.33 | 29.4 | 29.5 | 38.3 |
| Most common clinical presentation | 1-Headache 2-Seizure 3-Vomiting | 1-Headache 2-Unilateral weakness 3-CN palsy | 1-Headache 2-Focal neurological deficit 3-Seizure | 1-Headache 2-Seizure 3-Focal neurological deficit |
| Most common risk factors | 1-Protein S deficiency 2-Anemia 3-Puerperium | 1-OCP/postpartum 2-Infection 3-Trauma and hereditary thrombophilia | 1-Pregnancy /puerperium 2- antiphospholipid antibody syndrome 3-OCP | 1-OCP 2-Protein S deficiency 3-Unkown |
| Most common involved sinuses | 1-Transverse sinus 2-Superior sagittal sinus 3-Sigmoid sinus | 1-Transverse sinus 2-Superior sagittal sinus 3-Sigmoid sinus | Superior sagittal sinus | 1-Transverse sinus 2-Sigmoid sinus 3-Superior sagittal sinus |
| Most common type of parenchymal lesion on imaging | Non-hemorrhagic lesion | Hemorrhagic lesion | Not mentioned | Hemorrhagic lesion |