What is the fancy term used for selective head cooling or systemic cooling for neonatal encephalopathy?
Therapeutic hypothermia
What do you call the external closed system that allows for the drainage of CSF?
EVD- External ventricular drain, exits from skull
ELD- External lumbar drain, exits from lumbar region
When do you order a head ultrasound for a prematurely born baby?
According to the video, if the baby is <32 weeks or <1500 grams.
What is the most common cause of seizures in the neonate?
Hypoxic ischemic encephalopathy (HIE)
Where do intraventricular hemorrhages start in the brain?
The germinal matrix
32-34 degrees C
How often should you monitor CSF output from an EVD?
At least every 1-2 hours
How does an infant with an IVH present on assessment?
Usually it is a silent presentation...
- with or without a full fontanelle
- with or without anemia
What do you call the type of seizure that is described as this: rhythmic jerking movement (one to three movements per second) that's localized to a particular body part or body parts simultaneously
Clonic Seizures
What diagnostic procedure is used to detect and monitor the progress of IVH's?
Head ultrasounds (and sometimes EEG's)
What is a common adverse effect of therapeutic hypothermia?
Bradycardia and prolongation of the QT interval
When should you change the drainage bag?
When it is 2/3 full
(the policy also says between the hours of 0900-1700)
On the IVH grading system, this grade is not actually an IVH, but only a hemorrhage in the germinal matrix region.
Grade I
What do you call the kind of seizure described like this: Abnormal behavior, such as staring episodes, nystagmus, deviation of the eyes, eyelid fluttering, blinking, chewing, drooling, repetitive sucking, mouth movements, tongue protrusion, apnea, bicycling or swimming movements, and autonomic and vasomotor changes, that doesn't result from the other seizure classifications
Subtle Seizures
Name two risk factors for IVH
Chorioamnionitis, inflammation of the amniotic sac, respiratory distress, acidosis, prolongued mechanical intubation.
One of the eligibility criteria for cooling includes a pH less than or equal to _____ in a sample of cord blood or blood obtained during the first hour of birth.
7
When should you clamp the drainage system?
- When repositioning/moving/transporting a patient
- If the child is crying heavily
What can we do on assessment to monitor and diagnose posthemorrhagic hydrocephalus?
Daily measurement of head circumference
Name 5 things (of many) that you should have at the bedside if a patient has a seizure or if you know your patient has seizures...
What is something (a protocol) we do in the NICU as nurses to help prevent IVHs?
Maintaining a midline head position for premature neonates.
One of the eligibility criteria for cooling includes a 10-minute apgar score of less than _____ .
5
When a patient has an EVD, we need to be continuously monitoring them for signs of increased ICP. What are some signs of increased ICP?
Change in LOC, bulging fontanels, seizures, high-pitched cry, vomiting, poor feeding, hypertension, bradycardia, clear drainage from nose or ears.
*Call the doctor if you notice any signs of increased ICP
Name two ways we can try and prevent IVHs
- prevent premature birth
- antenatal steroids
- optimal management of labor and delivery
- postnatal pharmacotherapy (indomethacin)
Name 5 interventions you may need to do as a nurse if your patient has a seizure
What is the name of the grading system we use to classify the type of IVH that a baby has and how many grades are there?
Papile Grading System of IVH and there is I, II, III, and IV.