MindMap Gallery Nursing care of patients with increased intracranial pressure and cerebral herniation
This is a mind map about the care of patients with increased intracranial pressure and cerebral herniation. Includes causes, clinical manifestations, classification, and auxiliary examinations such as increased intracranial pressure and cerebral herniation.
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Nursing care of patients with increased intracranial pressure and cerebral herniation
increased intracranial pressure
definition
The pressure exerted by the contents of the cranial cavity on the walls of the cranial cavity
Normal intracranial pressure for adults in the supine position is 70 to 200mmH₂O Normal intracranial pressure in children is 50 to 100mmH₂O
Cause
Increased intracranial contents
Cerebral edema, hydrocephalus, cerebral vasodilation
Intracranial space-occupying lesions, tumors, hematomas, abscesses
Decreased cranial cavity volume
Cerebellar subtonsillar herniation malformation, terrestrial depression, craniocranial stenosis
Pathophysiology
Factors affecting increased intracranial pressure
Age, lesion expansion rate, lesion location, Accompanied by cerebral edema, systemic diseases
Pathophysiological changes of increased intracranial pressure
reduced cerebral blood flow
Brain edema
Brain displacement and herniation
Cushing's reaction (Cushing's triad) "Two slow and one high"
The heart rate slows down, Breathing slows down, High blood pressure
Classification
Classification according to the range of increased intracranial pressure
Diffuse increased intracranial pressure
focal increased intracranial pressure
Classification based on rate of progression of lesions
acute increased intracranial pressure
subacute increased intracranial pressure
chronic increased intracranial pressure
clinical manifestations
Headache
One of the most common symptoms is mostly located on the forehead and temples
Vomit
When the headache is severe, it appears to be projectile and may be accompanied by nausea, which is not directly related to eating.
papilledema
One of the important objective signs of increased intracranial pressure
Disorders of consciousness and changes in vital signs
Auxiliary inspection
Film degree exam
CT.MRI: CT is fast, accurate and non-invasive. It is the first choice examination for diagnosing intracranial lesions.
digital subtraction angiography
X-ray examination
lumbar puncture
Directly measure intracranial pressure and collect cerebrospinal fluid for examination. Increased intracranial pressure will be obvious. When evident, lumbar puncture carries the risk of foramen magnum hernia and should be avoided.
intracranial pressure monitoring
Guide drug treatment and surgical timing selection
Processing principles
non-surgical treatment
General processing
Patients with increased intracranial pressure should be hospitalized for observation
Closely observe changes in consciousness, pupils, blood pressure, respiration, pulse and body temperature
Those who meet the indications for intracranial pressure testing should be guided by testing for treatment
People who vomit frequently should fast temporarily to prevent aspiration pneumonia
Rehydration should be measured according to the amount given. Excessive fluid replenishment can increase intracranial pressure. Worsened by insufficient fluid replacement, which can cause hemoconcentration
Use laxatives to clear stools and avoid straining to defecate. Perform high-position enema at rest to avoid sudden increase in intracranial pressure
Tracheostomy should be considered for comatose patients who have difficulty coughing
dehydration treatment
hormone therapy
Mild hypothermia treatment
cerebrospinal fluid drainage
Barbiturate treatment
hyperventilation
The purpose is to expel carbon dioxide from the body, thereby reducing intracranial pressure accordingly.
Symptomatic treatment
Analgesics can be given to those with headaches, but drugs such as morphine and pethidine should be avoided.
Surgical treatment
The most fundamental and effective treatment method
Surgery to remove intracranial tumors
Clear intracranial hematoma
Treating large depressed fractures
For those with hydrocephalus, hydrocephalus shunt surgery is performed
For patients with massive cerebral hemorrhage or cerebral herniation, decompressive craniectomy can be used
Nursing measures
general care
rest
Elevating the head of the bed 30 degrees facilitates intracranial venous return and reduces cerebral edema.
Give oxygen
It is cerebral vasoconstriction, reducing cerebral blood flow and intracranial pressure. Hyperventilation may cause cerebral ischemia.
Diet and fluids
Control the infusion speed. Those who cannot take food by mouth can use nasal feeding.
Avoid accidental injury
Maintain normal body temperature and prevent infection
Condition observation
Observe changes in patient's consciousness, vital signs, pupils and limb movements
ideology
lethargy, lethargy, coma
Glasgow coma score
Eye opening, language, motor responses
vital signs
Body temperature, pulse, respiration, and blood pressure are often two slow and one high.
pupil
Are the pupils on both sides equal in size and round and are the light reflexes normal?
intracranial pressure monitoring
Prevent increased intracranial pressure
rest on bed
Stabilize mood
Keep airway open
Avoid severe coughing and straining to have a bowel movement
Managing agitation and controlling seizures
Medication care
Dehydrating agent
20% mannitol and hypertonic saline
Record the intake and output, and pay attention to correcting electrolyte imbalances
steroid corticosteroids
Dexamethasone
barbiturates
Phenobarbital
Mild hypothermia treatment care
Environment and item preparation
Implement cooling
Chlorpromazine 50 mg, Promethazine 50 mg
Condition observation
Vital signs, consciousness and pupils, if pulse exceeds 100 beats, systolic blood pressure per minute Discontinue medication when the reading is below 100 mmHg and breathing is slow and irregular.
Diet care
Complication care
Ventricular drainage care
Drainage tube placement
Control drainage speed and amount
Observe and record drainage fluid conditions
Strict sterility to prevent infection
Keep drainage smooth
Extubate in time
psychological care
health education
life coaching
Rehabilitation
Cerebral herniation
Cause
intracranial hematoma
Cerebral hemorrhage, large area cerebral infarction
intracranial tumors
Intracranial abscess, intracranial parasitic disease and various granulomatous lesions
iatrogenic factors
Classification
Temporal sulcal herniation or tentorial notch herniation
The hippocampal sulcus is pushed through the tentorial notch to the infratentorial
Foramen magnum hernia or cerebellar tonsillar hernia
The cerebellar tonsils and medulla oblongata push into the spinal canal through the foramen magnum
Infracerebral hernia or sulcal hernia
The sulci of one hemisphere are squeezed into the opposite side through the subcurtain foramen
clinical manifestations
Tentorial notch herniation
Symptoms of increased intracranial pressure
Severe headache progressively worsens, accompanied by irritability and frequent projectile vomiting
Pupil changes
Bilateral pupil dilation
Movement disorders
altered consciousness
Disturbed vital signs
Respiratory arrest, blood pressure drop, and cardiac arrest due to respiratory and circulatory failure
foramen magnum hernia
Patients often suffer from severe headaches, especially pain in the back of the occiput, and repeatedly vomit. Neck stiffness
Processing principles
If typical symptoms occur, hypertonic intracranial pressure-lowering drugs should be rapidly infused intravenously according to the principles of treatment of increased intracranial pressure.
After diagnosis, preparations for craniotomy should be completed quickly according to the condition, and the cause of the disease should be removed through surgery as soon as possible.
Nursing measures
Once confirmed, immediately reduce intracranial pressure urgently and use 20% mannitol as directed by your doctor. 200 to 500 ml, 10 mg of dexamethasone, and 40 mg of furosemide by intravenous injection. Be prepared before surgery
Keep the airway open, foramen magnum hernia, respiratory arrest, dysentery, trachea, intubation and assisted breathing
Closely observe conscious vital signs, pupil changes and body movements