Abstract
A 25-year-old male was driving in SUV on Yamuna Expressway without seatbelt. He collided against a concrete divider at a speed of 90 km/h. There was no airbag in car and windshield was shattered. His initial GCS was 12 but on arrival to casualty after 1-h transfer, GCS score was 7.
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References
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Multiple Choice Questions
Multiple Choice Questions
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1.
Indications for craniotomy for acute epidural hematoma (EDH) include all of the following except:
-
(a).
Pupillary anisocoria
-
(b).
Midline shift greater than 5 mm
-
(c).
Hematoma volume greater than 30 cm3
-
(d).
Lack of a lucid interval
-
(a).
-
2.
The principal effect of mannitol in the treatment of elevated intracranial pressure (ICP) is:
-
(a).
Osmotic fluid removal from the brain
-
(b).
Decrease in cerebral blood flow
-
(c).
Free radical sequestration
-
(d).
Decrease in the cerebral metabolic rate
-
(a).
-
3.
Which of these statements regarding basilar skull fractures is not true?
-
(a).
Basilar skull fractures occur in 7–16% of all patients with skull fractures
-
(b).
These fractures are often indicated by the presence of pneumocephalus on head CT in the absence of open cranial vault fractures
-
(c).
Prophylactic antibiotics have been demonstrated to reduce the risk of meningitis
-
(d).
These skull fractures are frequently accompanied by periorbital ecchymoses (raccoon’s eyes) or postauricular ecchymoses (Battle’s sign)
-
(a).
-
4.
Which of the following statements regarding posttraumatic cerebrospinal fluid (CSF) fistulae is true?
-
(a).
CSF otorrhea is more likely to resolve spontaneously than CSF rhinorrhea
-
(b).
Posttraumatic CSF fistulae occur in 50% of all patients with basilar skull fractures
-
(c).
Less than one third resolve spontaneously
-
(d).
Meningitis occurs in less than 3%
-
(a).
-
5.
Hypertonic saline has been demonstrated to:
-
(a).
Increase cerebral blood flow more than mannitol on an equimolar basis
-
(b).
Decrease intracranial pressure (ICP) more than mannitol on an equimolar basis
-
(c).
Have a shorter duration of action than mannitol
-
(d).
Have a greater risk of nephrotoxicity than mannitol
-
(a).
-
6.
Risk factors for increase in the size of traumatic cerebral contusions/hemorrhages include:
-
(a).
Age older than 60 years
-
(b).
Elevation of partial thromboplastin time (PTT)
-
(c).
Deterioration of Glasgow Coma Scale (GCS) after resuscitation
-
(d).
All of the above
-
(a).
-
7.
Which of these statements regarding prophylactic hypothermia in traumatic brain injury (TBI) is true?
-
(a).
Prophylactic hypothermia has been clearly demonstrated to benefit outcome from acute TBI in children.
-
(b).
Prophylactic hypothermia has a complication rate similar to other brain injury treatments in normothermic patients.
-
(c).
Prophylactic hypothermia decreases mortality, but does not improve outcome in adults with acute TBI.
-
(d).
Prophylactic hypothermia does not improve mortality or outcome in the treatment of adults and children with TBI.
-
(a).
-
8.
Prophylactic anticonvulsants in the setting of traumatic brain injury (TBI) have been demonstrated to:
-
(a).
Decrease the incidence of early posttraumatic seizures
-
(b).
Decrease the incidence of both early and late posttraumatic seizures
-
(c).
Not alter the incidence of posttraumatic seizures but reduce the severity of posttraumatic seizures
-
(d).
Decrease the incidence of late posttraumatic seizures
-
(a).
-
9.
Which of the following statements is true regarding the role of decompressive hemicraniectomy in the treatment of the patient with traumatic brain injury (TBI)?
-
(a).
Randomized prospective trials have shown that decompressive hemicraniectomy decreases mortality and improves outcomes
-
(b).
Decompressive hemicraniectomy may be effective in treating refractory intracranial pressure (ICP)
-
(c).
Decompressive hemicraniectomy has no role in the treatment of increased ICP in the patient with TBI and should only be used to treat the malignant middle cerebral artery (MCA) syndrome
-
(d).
Decompressive hemicraniectomy should never be performed in patients younger than 18 years
-
(a).
-
10.
Indications for intracranial pressure (ICP) monitoring include all of the following except:
-
(a).
Severe alcohol withdrawal in the traumatic brain injury (TBI) patient
-
(b).
Glasgow Coma Scale (GCS) score 3–8 with an abnormal CT scan
-
(c).
Normal head CT scan with any two of these features: age older than 40 years, unilateral or bilateral motor posturing, and systolic blood pressure (SBP) <90
-
(d).
Patients with abnormal head CT scans with GCS greater than 8 who are undergoing prolonged general anesthesia or pharmacologic muscle relaxants and will not have a neurologic examination that may be assessed
-
(a).
-
11.
Treatments designed to decrease intracranial pressure (ICP) should begin when:
-
(a).
ICP increases 10 mmHg from the pressure when the ICP monitor was placed
-
(b).
There is a presence of any midline shift on the head CT
-
(c).
ICP reaches a threshold of between 15 and 20 mmHg
-
(d).
ICP reaches a threshold of between 20 and 25 mmHg
-
(a).
-
12.
Which of the following statements regarding barbiturate-induced coma is true?
-
(a).
Has been demonstrated to be beneficial in improving patient outcomes from severe traumatic injury when used in a prophylactic fashion
-
(b).
Is less effective than mannitol in lowering increased intracranial pressure (ICP)
-
(c).
Rarely induces systemic hypotension when infused at target rates
-
(d).
Causes an unacceptable increase in core body temperature
-
(a).
Answers: 1. (a), 2. (a), 3. (c), 4. (a), 5. (b), 6. (d), 7. (d), 8. (a), 9. (b), 10. (a), 11. (d), 12. (b)
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Goyal, K., Yadav, R. (2020). Traumatic Brain Injury. In: Bidkar, P., Vanamoorthy, P. (eds) Acute Neuro Care. Springer, Singapore. https://doi.org/10.1007/978-981-15-4071-4_8
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DOI: https://doi.org/10.1007/978-981-15-4071-4_8
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