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A brain stem stroke or brain stem stroke has the same cause as a stroke elsewhere in the brain, this is an interruption of blood vessel supply. So is a stroke in the brain stem dangerous?In the human body, the brain is an important organ, surrounded by meninges and located in the skull, behind the muscle layer that attaches to the skull and scalp. Structurally, the brain is divided into three parts: the cerebrum, the brain stem, and the cerebellum.
1. Brainstem Anatomy
In the brain, the brain stem is located anterior to and connected with the cerebellum, deep inside the brain and extending down to the back of the head, where the skull and spine meet, and the brain stem is above the spinal cord.Brainstem anatomy includes the medulla oblongata, pons, and midbrain. In which, the pons and medulla are where the cranial nerves from V to XII originate and concentrate many gray nuclei as the centers: respiratory, vasomotor. The medulla contains the vestibular nucleus which increases muscle tone. The midbrain (also known as the midbrain) also concentrates many important gray nuclei, but especially the red nucleus reduces muscle tone.
The brain stem is the intersection of the sensory and motor pathways of the organs to the cerebral cortex, including:
Eyeballs: Corneal reflexes, light orientation. Striated muscles of the head, face, and neck: hold and correct posture, direct movement of the head and eyeballs. Muscles and digestive glands. Respiratory, cardiovascular: Cough, sneezing. With the above-mentioned characteristics of the brain stem anatomy, the brain stem connects almost all the high-level physical and functional activities of the brain to the rest of the brain, is the center for maintaining some basic functions of the brain. body.
2. What is a cerebrovascular accident in the brain stem?
A brain stem stroke is a stroke that occurs in the brain stem. A brainstem stroke is relatively small but has serious symptoms.The cause of brain stem stroke is interruption of blood in the small arteries in the back of the neck and brain (including the basal artery, right and left anterior superior cerebellar arteries, and bilateral vertebral arteries) blood supply, similar to what causes strokes in other regions of the brain.
Tai biến mạch máu não vùng thân não là đột quỵ vùng thân não
3. Manifestations of cerebrovascular accident in the brain stem area
When a cerebrovascular accident occurs in the brain stem, the patient may appear a series of the following symptoms:Paralysis or weakness or loss of sensation on one side of the body opposite the damaged brain stem. Double vision is caused by one eye being normal and the other unable to move. Irregular pupils, dizziness, whirling due to the body not able to keep balance. One eyelid droop, half mouth distortion due to paralysis of one side of the face on the same side as brain stem stroke. Stuttering, difficulty swallowing because the tongue can only be moved to one side. The shoulders lift unevenly due to weak levator muscle of one shoulder. Hiccups (in some cases). Changes in consciousness, coma due to impaired cardiovascular function and breathing failure.
4. Diagnosis of cerebrovascular accident in the brain stem area
The basis for the diagnosis of cerebrovascular accident in the brain stem is mainly based on a thorough clinical examination, combined with brainstem stroke lesions when clearly appearing on imaging tests in the brain. a period of time (from a few days to a few weeks).Compared with strokes in other areas of the brain, the signs on CT or MRI images of brain stem strokes are often not as clear, because the brain stem is relatively small and obscured by adjacent bone. of the skull and the upper body of the spine. Therefore, observing the lesions on images is very difficult, requiring doctors to have high qualifications and thorough knowledge as well as long-term experience.
Diagnosis of brainstem cerebrovascular accident should be differentiated from cortical stroke by recognizing facial sensations. Based on the position of facial paralysis on one side of the face, is it on the same side or on the other side of the affected brain, if it is on the same side as a brain stem stroke, on the other side is a cortical stroke.
Thăm khám lâm sàng là cơ sở chẩn đoán tai biến mạch máu não vùng thân não
5. Is cerebrovascular accident in the brain stem dangerous?
The prognosis of a cerebrovascular accident in the brainstem is very difficult to predict, similar to that of a stroke in other regions of the brain, because the stroke symptoms only appear obvious and cause danger to the patient in the short term. a few hours or a few days.Therefore, patients at risk of stroke need to be carefully monitored, timely detection and treatment will help limit falling into a coma, stop breathing and stop beating. If the patient is well cared for and treated, the chances of recovery increase and the risk of disability decreases.
Like strokes in other areas of the brain, cerebrovascular accidents in the brain stem also need to be detected early and treated promptly to limit the risk of disability and increase the chance of recovery for the patient.
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