Postoperative care for subarachnoid hemorrhage

Written by Liu Yan Hao
Neurology
Updated on November 01, 2024
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For patients recovering from subarachnoid hemorrhage, a critical aspect of care is to prevent emotional excitement and avoid any exertion initiated by the patients themselves. This includes avoiding forceful movements such as turning over or straining during bowel movements, which are not permitted. Patients must rest in bed absolutely, for four to six weeks. Therefore, during nursing, it is important to assist patients with passive movements, such as turning them over every two hours to gently pat their backs. The purpose of patting the back is to effectively prevent the occurrence of dependent pneumonia, while turning them helps prevent pressure sores. Additionally, assistance can be provided for passive limb movements and massaging the limbs, which can effectively prevent the formation of venous thrombosis in the lower or upper limbs. These are the focal points of nursing that can significantly promote the patient's recovery from their condition.

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Written by Zhang Hui
Neurology
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Subarachnoid hemorrhage nursing rounds

Subarachnoid hemorrhage is a rather dangerous disease. Patients may experience significant symptoms such as headache, nausea, vomiting, and irritability. There can also be complications related to the nervous system. Besides medical and surgical treatment, nursing care is equally crucial. Key aspects to focus on during nursing rounds include: First, fully assess the patient's consciousness to see if they are alert or have slipped into a coma; second, observe the pupils to check if they are symmetrical and how they react to light; third, examine if there is any noticeable stiffness in the neck or signs of meningeal irritation; additionally, look at the pathological reflexes of the lower limbs; also, observe if the patient's mood is notably irritable; finally, monitor if the patient exhibits complications such as fever, cough, or expectoration, and provide the corresponding treatment.

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Written by Liu Yan Hao
Neurology
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Subarachnoid hemorrhage is a condition.

Subarachnoid hemorrhage refers to the rupture of blood vessels due to lesions at the base or on the surface of the brain, with blood directly flowing into the subarachnoid space, causing a clinical syndrome. This is different from cerebral hemorrhage, which refers to bleeding within the brain tissue itself, not into the subarachnoid space. So, what is the subarachnoid space? The human brain is covered by three layers of membranes: the pia mater, arachnoid, and dura mater. The subarachnoid space is the area between the pia mater and the arachnoid membrane, named as such. When there is a rupture in cerebral vascular malformations or cerebral aneurysms, blood flows directly into the subarachnoid space rather than causing bleeding in the brain tissue. Subarachnoid hemorrhage is considered a very serious medical condition with a very high mortality rate. Its main symptoms include severe headache, increased intracranial pressure, nausea, and projectile vomiting. If it is a second occurrence of subarachnoid hemorrhage, the mortality rate can reach up to 50%. A third occurrence of subarachnoid hemorrhage almost certainly results in death.

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Written by Zhang Hui
Neurology
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Complications of subarachnoid hemorrhage

Subarachnoid hemorrhage is a very dangerous disease primarily caused by the rupture of the meninges or blood vessels at the base of the skull, leading to blood entering the subarachnoid space. Clinically, the most common cause is an aneurysm, but it can also occur with some arteriovenous malformations. Subarachnoid hemorrhage can cause severe headaches, nausea, vomiting, and other complications, with severe cases leading to coma. Common complications of subarachnoid hemorrhage include, firstly, rebleeding. The probability of rebleeding is very high, and if it occurs, the disability and mortality rates of the patient significantly increase. Secondly, cerebral vasospasm, which is an important complication that can lead to severe cerebral thrombosis due to intense constriction of the blood vessels. Thirdly, it can cause secondary hyponatremia, leading to electrolyte imbalance. Additionally, complications of subarachnoid hemorrhage include increased intracranial pressure, hydrocephalus, and more.

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Written by Wei Shi Liang
Intensive Care Unit
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How is subarachnoid hemorrhage treated?

The treatment of subarachnoid hemorrhage primarily aims to prevent rebleeding, vasospasm, hydrocephalus, and other complications, reducing mortality and disability rates. During the acute phase, keep the patient's head in a raised position, lying on their side, and provide dehydration, sedation, and pain relief; absolute bed rest; monitor blood pressure; and when bleeding is significant, undertake ventricular puncture for drainage. Patients with subarachnoid hemorrhage should generally be admitted to the ICU, monitoring vital signs and changes in neurological signs, ensuring airway patency, maintaining stable respiratory and circulatory functions, resting quietly, avoiding emotional agitation, ensuring smooth bowel movements, and for patients with increased intracranial pressure, appropriately restricting fluid intake.

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Radiology
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Subarachnoid Hemorrhage CT Imaging Manifestations

Subarachnoid hemorrhage is caused by the rupture of cerebral blood vessels due to various reasons, allowing blood to flow into the subarachnoid space. Common causes include trauma and rupture of congenital aneurysms. Subarachnoid hemorrhage caused by the rupture of congenital aneurysms typically presents on a CT scan with high-density appearances at the base of the skull in the brain pools, especially widespread columnar high-density appearances in the suprasellar cistern, lateral fissure cistern, anterior interhemispheric fissure, and around the circumferential pool. If the subarachnoid hemorrhage is due to trauma, the abnormalities are more localized, generally appearing in the brain pool or cerebral sulcus on the side of injury with high-density appearances, and may also be accompanied by hematomas within the ventricles or bleeding in other locations.