Symptoms of brainstem hemorrhage

Written by Gao Yi Shen
Neurosurgery
Updated on February 13, 2025
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The symptoms of brainstem hemorrhage can vary from mild to severe, depending on the specific presentation of the patient. For instance, in milder cases, symptoms may include simple headaches, dizziness, nausea, and vomiting without other clinical symptoms, which can often be easily distinguished from cervical spondylosis. Therefore, timely clinical examinations are necessary to confirm these conditions, which are generally mild and usually do not threaten life. However, symptoms might gradually worsen, manifesting as numbness in the limbs and speech impairments, among others. Some individuals may experience seizures, characterized by convulsions of the limbs, frothing at the mouth, etc. If the hemorrhage becomes more severe, it can compress more brainstem neurons, leading to coma, lethargy, and potentially severe outcomes like dilated pupils, and sudden cessation of breathing and circulation.

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Written by Tang Ying
Physical Medicine and Rehabilitation
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How to exercise swallowing after a brainstem hemorrhage

Patients with brainstem hemorrhage often have critical conditions. Therefore, after stabilizing their condition, their swallowing function is usually severely impaired. During swallowing training, besides the common use of medications and acupuncture treatment, professional swallowing therapists in a formal rehabilitation medicine department conduct training on swallowing functions. Before starting swallowing training, an accurate assessment of swallowing function is typically conducted first. Swallowing disorders are divided into four stages: the preparatory stage, the oral stage, the pharyngeal stage, and the esophageal stage. In the preparatory stage, coordinating the consistency of the food can aid the patient's swallowing. Proper stimulation of the oral and pharyngeal muscles, including stimulation of the tongue and pharyngeal wall muscles, cold therapy, tongue pressure training, and training of the muscles around the mouth, are used to help restore swallowing function. During the esophageal stage, when the patient's condition has stabilized, videofluoroscopic swallow study can be carried out to assess specific issues in the esophageal stage, which are often related to cricopharyngeal dysfunction. Esophageal dilation with a balloon may also be used. With these accurate assessments and appropriate training, the swallowing function of patients generally shows significant improvement. Therefore, when patients experience these swallowing dysfunctions, it is best to seek treatment from a formal rehabilitation medicine department for better care.

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Written by Chen Yu Fei
Neurosurgery
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What will happen after waking up from a brainstem hemorrhage?

For patients suffering from brainstem hemorrhage, when they are conscious, they often exhibit symptoms of neurological dysfunction. For instance, many patients may experience mild cognitive impairments, such as a decline in memory, as well as a noticeable decrease in learning and calculation abilities. Some patients might lose language functions or display significant aphasia, including anomia, motor aphasia, or mixed aphasia. Additionally, some patients may concurrently suffer from dysphagia, characterized by frequent coughing episodes when drinking fluids. Furthermore, some patients may exhibit specific symptoms or signs of limb motor dysfunction. Such patients typically require ongoing effective treatment.

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Written by Gao Yi Shen
Neurosurgery
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How long does it take to wake up from a coma caused by brainstem hemorrhage?

The timing of awakening after a coma caused by a brainstem hemorrhage must be judged based on the situation. As brainstem hemorrhages are relatively severe, there is generally no possibility of awakening if the patient's breathing, heartbeat, and circulation are not stable. If the patient can breathe normally off a ventilator and has a normal heartbeat and other vital signs, and pupil responses are also normal, then typically, they may awaken within one to two weeks. However, recovery times vary from person to person depending on the specifics of the condition, the location of the hemorrhage, and the surrounding tissue involved. Therefore, assessments should be made based on specific clinical signs at the time. Particularly with hemorrhages in the medulla oblongata, once coma ensues, it's often impossible to fully awaken the patient, and many succumb to complications later on. Therefore, adequate psychological preparation is essential in clinical settings.

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Written by Tang Li Li
Neurology
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What causes fever from brainstem hemorrhage?

Patients with brainstem hemorrhage experience fever generally for the following three reasons: First, infection. Patients with brainstem hemorrhage often have disturbances of consciousness and dysfunction of the throat, and are bedridden, which frequently leads to aspiration pneumonia and hypostatic pneumonia. This is due to weakened ability to clear phlegm, as well as choking caused by saliva and feeding. Additionally, infections can easily occur in the gastrointestinal tract, urinary tract, and from skin pressure sores. Second, abnormalities in the temperature set point cause central hyperthermia. In patients with brainstem hemorrhage, the temperature regulation center is damaged. If the temperature regulating center sets the body temperature above 38 degrees Celsius, it often persists and cannot be reduced, and medications are poorly effective in lowering the temperature, necessitating the use of ice packs for physical cooling. Third, patients with brainstem hemorrhage often use large doses of diuretics. Dehydration after diuretic use can put patients in a state of excessive dehydration. If rehydration therapy is not adequately managed, dehydration fever can easily occur.

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Written by Chen Yu Fei
Neurosurgery
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How long does it take for the fever to subside after a brainstem hemorrhage?

For patients with brainstem hemorrhage, it is common to develop high fever after the bleeding, where the body temperature often exceeds 38.5℃. There are many reasons for the occurrence of high fever. It can be considered that the presence of an intracerebral hematoma compresses the hypothalamic temperature set point, causing abnormalities in the set point function and leading to central fever, with temperatures often reaching 39℃ or even higher than 40℃. At this time, the use of antipyretic drugs alone generally has poor therapeutic effect. It often requires the effective absorption of the intracerebral hematoma for the body temperature to gradually return to normal. Another situation, considering the occurrence of pulmonary infection, it is necessary to promptly provide patients with antibiotics for effective treatment. When the pulmonary infection is effectively controlled, the body temperature will also gradually decrease.