Is brainstem hemorrhage related to smoking?

Written by Chen Yu Fei
Neurosurgery
Updated on December 28, 2024
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Brainstem hemorrhage is somewhat related to smoking. For brainstem hemorrhage, smoking acts as a trigger. During the process of smoking, the nicotine in tobacco may cause constriction of the brain's blood vessels, leading to increased blood pressure. When blood pressure rises beyond the blood vessels' ability to regulate themselves, it often induces the vessels to rupture and bleed, resulting in a brainstem hemorrhage. Of course, for brainstem hemorrhage, smoking is just one triggering factor and not the sole cause. For these patients, the majority of cases are largely related to poor lifestyle habits, poor dietary habits, and the individual's underlying vascular conditions.

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The acute phase of brainstem hemorrhage lasts for several days.

The acute phase of brainstem hemorrhage generally lasts about two to three weeks, or 14 to 21 days, but it also needs to be specifically assessed based on the different conditions of the patient. If the hemorrhage in the brainstem is relatively severe and located in an important functional area, then the critical period may be appropriately extended. For example, if the hemorrhage is in the medulla oblongata and has already caused respiratory and circulatory failure, as well as unstable vital signs and a comatose state, then the critical period could even reach about one to two months, because it is often necessary to use a ventilator to assist breathing, and the patient's comatose state does not allow for full consciousness. However, for some brainstem hemorrhages, such as a small hemorrhage in the pons that only causes the clinical symptom of headache in the patient, the critical period is generally no more than two weeks. Thus, each patient's condition is different.

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Written by Zhang Hui
Neurology
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Does brainstem hemorrhage easily recur?

The main cause of brainstem hemorrhage is hypertension, which can lead to hyalinization in the arteries that supply the brainstem, and even the formation of small aneurysms. Under the impact of blood flow, these are prone to rupture, leading to hemorrhage in the brainstem. This is the primary mechanism of onset for brainstem hemorrhage. If the brainstem hemorrhage is caused by hypertension, maintaining good control of blood pressure and keeping it below the ideal level of 140-90 mmHg can prevent frequent recurrence, so there is no need for excessive worry, but it is crucial to monitor blood pressure regularly. Additionally, brainstem hemorrhages can also be caused by other reasons, such as cavernous hemangiomas or arteriovenous malformations. If brainstem hemorrhage is caused by these diseases, and the abnormal vessels are not surgically removed, recurrence is likely. Removing these abnormal vessels can greatly reduce the likelihood of recurrent brainstem hemorrhages.

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Written by Shu Zhi Qiang
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Is it right to give up treatment for brainstem hemorrhage?

Brainstem hemorrhage discontinuing treatment could be appropriate in some cases. If the patient has extensive brainstem hemorrhage, particularly at the lower end of the brainstem, and has resulted in deep coma without response to any stimuli, with a Glasgow Coma Scale score of only 3, dilated pupils on both sides without any pupillary light reflex, and possibly no spontaneous breathing, the patient could be considered brain dead. According to international practice, treatment should not be pursued for patients who are brain dead, hence discontinuing treatment is appropriate for such patients. If the patient still has spontaneous breathing, then active resuscitation should be pursued, otherwise, it might be considered inhumane.

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Written by Zhang Hui
Neurology
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Is there no cure for brainstem bleeding?

Brainstem hemorrhage is one of the most dangerous types of cerebral hemorrhage. Many patients with extensive brainstem hemorrhages quickly fall into a coma because the brainstem is the central hub of human life. It sends fibers that control the heart and breathing, hence, a brainstem hemorrhage affects both heartbeat and respiration. Patients with significant brainstem hemorrhage generally end in death, and surgery does not effectively relieve the hemorrhage. Furthermore, the risks of surgery are very high, and currently, surgery is not recommended. Once a patient with brainstem hemorrhage falls into a coma, their vital signs become unstable, presenting a grave danger. There are no particularly effective emergency measures; treatment is mostly symptomatic, such as the use of ventilators for respiratory difficulties. In cases of infection, treatment predominantly involves the administration of antibiotics to control the infection. Additionally, treatments may include brain protection measures, dehydration to reduce intracranial pressure, and protection of the gastric mucosa. Overall, the outlook after a coma due to brainstem hemorrhage is very poor, with no particularly effective treatment methods available.

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Written by Chen Yu Fei
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Can brainstem hemorrhage be cured?

For brainstem hemorrhages that have already occurred, the patient should be immediately taken to a local hospital. Initially, a cranial CT scan should be performed to determine the location and amount of bleeding in the brainstem. For minor brainstem hemorrhages, it is recommended to first use medication for treatment. This involves administering drugs that stop bleeding, enhance brain function, promote dehydration, and nourish the nerves, aiding in the gradual cessation of bleeding and the absorption of cerebral hematomas. Most patients can achieve very good treatment outcomes. However, if the brainstem hemorrhage is extensive, it often leads to severe brainstem dysfunction and typically has a poor prognosis.