Measurement of Bladder Function Change In Patients With SVMs Before and After Surgical Intervention

Inclusion Criteria: \- patient diagnosed with spinal vascular diseases including intradural arteriovenous malformation, intradural arteriovenous fistula, dural arteriovenous fistula, extradural arteriovenous malformation, paravertebral arteriovenous malformation, paravertebral arteriovenous fistula, cobbs' syndrome, other spinal arteriovenous metameric syndromes involve the spinal cord. patient not received surgical or interventional treatment before patient with normal cardiac, renal and hepatic function patient capable of understanding the content of the patient information / Informed Consent Form patient willing and able to participate in the registry Exclusion Criteria: \- patient received surgical treatment or interventional treatment before patient is pregnant patient allergic to iodine patient unable to complete follow-up patient with cerebral lesions patient with other spinal lesions patient with cardiac, renal or hepatic dysfunction