Vertebrobasilar insufficiency causes

Vertebrobasilar insufficiency
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

The causes leading to VBI is primarily the vasulcar ones, like atherosclerosis and cardioembolism, etc. As the vertebral artery is in the cervical vertebra, the orthopedical lesion also contribute to part of the causes.

Causes

Life Threatening Causes

• Vertebrobasilar aneurysm
• Stroke caused by arterial embolism
• Subarachnoid hemorrhage caused by vertebral artery dissection

Common Causes

The most common causes of VBI are cardioembolism, atherosclerosis, and small artery disease.

Causes by Organ System

Cardiovascular	Intracranial atherosclerosis , vertebral artery dissections , maldevelopment or absent of unilateral vertebral artery, arterial embolism , subclavian steal syndrome ,rotational VA occlusion,
Chemical / poisoning	No underlying causes
Dermatologic	No underlying causes
Drug Side Effect	No underlying causes
Ear Nose Throat	No underlying causes
Endocrine	No underlying causes
Environmental	No underlying causes
Gastroenterologic	No underlying causes
Genetic	Fabry disease
Hematologic	No underlying causes
Iatrogenic	physiatric cervical manipulation
Infectious Disease	No underlying causes
Musculoskeletal / Ortho	Cervical spondylosis , degenerative cervical spine changes , Spinal disc herniation , Cervical tuberculosis, Cervical injury,osteoporosis
Neurologic	No underlying causes
Nutritional / Metabolic	No underlying causes
Obstetric/Gynecologic	No underlying causes
Oncologic	No underlying causes
Opthalmologic	No underlying causes
Overdose / Toxicity	No underlying causes
Psychiatric	No underlying causes
Pulmonary	No underlying causes
Renal / Electrolyte	No underlying causes
Rheum / Immune / Allergy	Takayasu disease, arteritides
Sexual	No underlying causes
Trauma	Cervical injury
Urologic	No underlying causes
Dental	No underlying causes
Miscellaneous	Postural changes,like head rotation or extension , fibromuscular dysplasia

Causes in Alphabetical Order

arterial embolism

fibromuscular dysplasia

arteritides

Spinal disc herniation

Cervical injury

Cervical spondylosis

Cervical tuberculosis

degenerative cervical spine changes

Intracranial atherosclerosis

maldevelopment or absent of unilateral vertebral artery

Osteoporosis

Postural changes

rotational VA occlusion

subclavian steal syndrome

Takayasu's arteritis

vertebral artery dissections

vertebrobasilar aneurysm