sequelae of brainstem hemorrhage

Written by Jiang Fang Shuai
Neurosurgery
Updated on March 26, 2025
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All the different sequelae of cerebral hemorrhage can potentially occur after a brainstem hemorrhage. This is because the brainstem is a critical link between the brain and the body, acting as the command center within the headquarters. Of course, whether sequelae will occur and which ones will occur after a brainstem hemorrhage primarily depends on the amount of bleeding and the location of the bleed.

If the bleeding in the brainstem is minor and occurs in a less critical area, the sequelae are usually minimal, and some people might not experience any sequelae at all.

However, if there is substantial bleeding in the brainstem and the area affected is crucial, the patient may remain comatose for a long period. Even if they are revived and regain consciousness, they may suffer from severe functional impairments and experience numerous sequelae.

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Written by Gao Yi Shen
Neurosurgery
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Can bleeding in the brainstem be saved?

The causes of brainstem hemorrhage can mainly be divided into three categories, The first category is caused by hypertensive factors, which are often the most common cause. The second category is caused by vascular diseases, among which cavernous hemangiomas and arteriovenous fistulas are most common. The third category includes relatively rare diseases, which should not be overlooked in clinical practice, such as tumoral factors. For these, specific examinations must be conducted to accurately determine the cause of the bleeding. Whether treatment is possible depends on the specific circumstances at the time. If the amount of bleeding is relatively small and the area affected is not a critical functional zone, such as the medulla, there is still a possibility of treatment later on. Active surgical and medical treatments can lead to healing later on. However, if the brainstem hemorrhage has already caused cessation of breathing and circulation, generally, there is no need for treatment as such conditions often lead to respiratory and circulatory failure, resulting in death.

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Written by Tang Li Li
Neurology
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Causes of brainstem hemorrhage convulsions

Seizures may occur due to a brainstem hemorrhage for several reasons, First, significant edema following a brainstem hemorrhage, combined with the mass effect of the hemorrhage itself, can lead to substantial compression of the brainstem, potentially resulting in tonic seizures. Second, the irritation from the hemorrhage could trigger symptomatic epilepsy, with the patient possibly experiencing partial new epileptic seizures that evolve into generalized tonic-clonic seizures. Third, the brainstem hemorrhage might cause high fever, which could induce febrile convulsions, also leading to seizures. Fourth, the treatment of brainstem hemorrhage often involves the use of high doses of diuretics. If severe dehydration occurs, it can lead to a state of excessive dehydration, electrolyte imbalance, and hyperosmolarity; high sodium levels might also trigger seizures.

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Written by Li Min
Neurology
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Can brainstem hemorrhage be cured?

Cerebral hemorrhage is divided into lobar hemorrhage, ventricular hemorrhage, subarachnoid hemorrhage, and brainstem hemorrhage. Brainstem hemorrhage is the most severe type of brain injury. Generally, the volume of hemorrhage is determined in three categories: about five milliliters, ten milliliters, and more than ten milliliters. If it is less than five milliliters, then the volume of hemorrhage is relatively small, and recovery is relatively good, usually without leaving residual symptoms. If it is between five to ten milliliters, life may be preserved, but severe residual symptoms such as hemiplegia, sensory disorders, and motor disorders may occur. However, if it exceeds ten milliliters, the mortality rate is generally very high, making it very difficult to salvage.

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Written by Chen Yu Fei
Neurosurgery
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Dietary Precautions for Brainstem Hemorrhage

For patients with brainstem hemorrhage, attention should be given to their diet. During the acute phase, it is advisable to choose a liquid diet, as most patients with brainstem hemorrhage often have severe swallowing dysfunction. Failing to choose a liquid diet can lead to aspiration, which in turn causes aspiration pneumonia. Furthermore, patients should avoid certain foods for a short period, particularly greasy or spicy foods, as most patients experience significant reductions in digestive function during the acute phase. If dietary intake is not carefully managed, patients often experience significant abdominal pain and diarrhea. Once the patient's condition stabilizes, it is appropriate to include fresh vegetables and fruits in their diet.

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Written by Gao Yi Shen
Neurosurgery
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How many milliliters of brainstem hemorrhage are fatal?

Brainstem hemorrhage does not have a specific volume that can be fatal; the brainstem is the central hub for respiration and circulation in the human body, including the medulla, midbrain, and pons. For the pons and midbrain, a hemorrhage of five milliliters can be fatal. For the medulla, which is very narrow and densely packed with neural tissue, even one milliliter of bleeding can suddenly cause the patient's respiration and circulation to stop. Therefore, even one milliliter of brainstem hemorrhage is an immeasurable loss, and brainstem hemorrhages should be classified as critically severe. Immediate hospitalization and treatment are crucial to achieve a relatively better prognosis.