Table 1

PICOS for each clinical practice

#Clinical practice
Mild traumatic brain injury
1Population: adults with acute mild traumatic brain injury
Intervention: validated clinical decision rule (eg, CCHR, CHIP, NEXUS II, NOC)
Comparator: none
Primary outcome: false negative rate (intracranial injury, neurosurgical intervention)
Secondary outcomes: sensitivity, specificity
Study design: systematic review
2Population: adults with acute mild complicated traumatic brain injury
Intervention: routine repeat head CT in absence of neurological deterioration
Comparator: none or no repeat head CT in absence of neurological deterioration
Primary outcome: progression of intracranial injury
Secondary outcomes: neurosurgical intervention, mortality, change in management, hospital length of stay
Study design: systematic review
3Population: adults with acute mild traumatic brain injury and on anticoagulant and/or antiplatelet therapy
Intervention: routine repeat head CT in absence of neurological deterioration
Comparator: none or no repeat head CT in absence of neurological deterioration
Primary outcome: progression of intracranial injury
Secondary outcomes: neurosurgical intervention, mortality, change in management, hospital length of stay
Study design: systematic review
4Population: adults with acute mild traumatic brain injury who are negative on head CT
Intervention: neurosurgical consultation
Comparator: none or no neurosurgical consultation
Primary outcome: hospital admission
Secondary outcomes: neurosurgical intervention, mortality, ICU admission, repeat head CT, hospital length of stay
Study design: systematic review
5Population: adults with acute mild complicated traumatic brain injury who are not on irreversible anticoagulation
Intervention: intensive care unit admission
Comparator: admission to regular ward or step-down unit
Primary outcome: neurological/medical decline, neurosurgical intervention
Secondary outcomes: medical interventions, mortality, adverse events, hospital length of stay, discharge destination
Study design: systematic review
Moderate and severe traumatic brain injury
6Population: adults with acute traumatic brain injury on antiplatelet therapy
Intervention: platelet transfusion
Comparator: no platelet transfusion
Primary outcome: GOS or GOS-E
Secondary outcomes: mortality, adverse events, hospital and ICU length of stay
Study design: systematic review
7Population: adults with basal skull fractures without evidence of cerebrospinal fluid leakage
Intervention: antibiotic prophylaxis
Comparator: no antibiotic prophylaxis
Primary outcome: meningitis (confirmed by lumbar puncture)
Secondary outcomes: GOS or GOS-E, mortality, surgical correction in patients with CSF leakage, non-CNS infection, hospital and ICU length of stay
Study design: systematic review
8Population: adults with acute traumatic brain injury and no refractory intracranial hypertension
Intervention: therapeutic hypothermia
Comparator: no therapeutic hypothermia
Primary outcome: GOS or GOS-E
Secondary outcomes: intracranial pressure, mortality, adverse events, hospital and ICU length of stay
Study design: systematic review
9Population: adults with acute traumatic brain injury
Intervention: antibiotic prophylaxis for external ventricular drain placement
Comparator: no antibiotic prophylaxis
Primary outcome: ventriculostomy-related infection
Secondary outcomes: GOS, mortality, hospital and ICU length of stay
Study design: systematic review
10Population: adults with acute traumatic brain injury and no refractory intracranial hypertension
Intervention: neuromuscular blocking agents
Comparator: no neuromuscular blocking agents
Primary outcome: GOS or GOS-E
Secondary outcomes: intracranial pressure, mortality, adverse events, hospital and ICU length of stay
Study design: systematic review
11Population: adults with acute traumatic brain injury
Intervention: plasma transfusion
Comparator: no plasma transfusion
Primary outcome: GOS or GOS-E
Secondary outcomes: mortality, adverse events, hospital and ICU length of stay
Study design: systematic review
Severe traumatic brain injury
12Population: adults with acute severe traumatic brain injury
Intervention: albumin
Comparator: any other colloid-containing fluids (dextrans, modified gelatins, hydroxyethyl starches) or isotonic crystalloid fluids (saline 0.9% and balanced salt solutions such as compound sodium lactate, Plasma-Lyte)
Primary outcome: GOS or GOS-E
Secondary outcomes: mortality, adverse events, hospital and ICU length of stay
Study design: systematic review
13Population: adults with acute severe traumatic brain injury
Intervention: antiseizure prophylaxis (levetiracetam or phenytoin)>1 week
Comparator: antiseizure prophylaxis <1 week or no antiseizure prophylaxis
Primary outcome: late post-traumatic seizure
Secondary outcomes: GOS or GOS-E, mortality, adverse events, hospital and ICU length of stay
Study design: systematic review
  • CCHR, Canadian Computed Tomography Head Rule; CHIP, CT in head injury patients; CNS, central nervous system; CSF, cerebrospinal fluid; GOS, Glasgow Outcome Scale; GOS-E, Glasgow Outcome Scale-Extended; ICU, intensive care unit; NEXUS, National Emergency X-Radiography Utilisation Study; NOC, New Orleans Criteria; PICOS, population, intervention, comparator, outcome and study design.