Time required for effective airway (seconds) · adult patients (18 years of age and older) for positive pressure ventilation undergoing elective surgery
1 finding from 1 review
Peak airway pressure during positive pressure ventilation (cm H₂O) · adult patients (18 years of age and older) for positive pressure ventilation undergoing elective surgery
1 finding from 1 review
Oropharyngeal leak pressure (seal pressure) (cm H₂O) · adult patients (18 years of age and older) for positive pressure ventilation undergoing elective surgery
1 finding from 1 review
Sore throat · adult patients (18 years of age and older) for positive pressure ventilation undergoing elective surgery
ProSeal showed no clear difference in sore throat compared with classic laryngeal mask airway (LMA) (low certainty).
1 finding from 1 review
Regurgitation · adult patients (18 years of age and older) for positive pressure ventilation undergoing elective surgery
ProSeal showed no clear difference in regurgitation compared with classic laryngeal mask airway (LMA) (low certainty).
1 finding from 1 review
Intervention not reported
Primary outcomes · improving conditions during tracheal intubation or direct laryngoscopy in adults and adolescents
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Intervention not reported
Difficult tracheal intubation: low risk of bias trials · improving conditions during tracheal intubation or direct laryngoscopy in adults and adolescents
The intervention probably leads to higher difficult tracheal intubation: low risk of bias trials (moderate certainty).
1 finding from 1 review
Intervention not reported
Difficult tracheal intubation: all trials · improving conditions during tracheal intubation or direct laryngoscopy in adults and adolescents
The intervention may leads to higher difficult tracheal intubation: all trials (low certainty).
1 finding from 1 review
Intervention not reported
One or more events of upper airway discomfort or injury: low risk of bias trials · improving conditions during tracheal intubation or direct laryngoscopy in adults and adolescents
The intervention led to higher one or more events of upper airway discomfort or injury: low risk of…; GRADE not reported.
1 finding from 1 review
Intervention not reported
One or more events of upper airway discomfort or injury: all trials · improving conditions during tracheal intubation or direct laryngoscopy in adults and adolescents
The intervention probably leads to higher one or more events of upper airway discomfort or injury: all trials (moderate certainty).
1 finding from 1 review
Intervention not reported
Mortality · improving conditions during tracheal intubation or direct laryngoscopy in adults and adolescents
1 finding from 1 review
Intervention not reported
Secondary outcomes · improving conditions during tracheal intubation or direct laryngoscopy in adults and adolescents
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Intervention not reported
Difficult laryngoscopy: low risk of bias trials · improving conditions during tracheal intubation or direct laryngoscopy in adults and adolescents
The intervention showed no clear difference in difficult laryngoscopy: low risk of bias trials; GRADE not reported.
1 finding from 1 review
Intervention not reported
Difficult laryngoscopy: all trials · improving conditions during tracheal intubation or direct laryngoscopy in adults and adolescents
The intervention may leads to higher difficult laryngoscopy: all trials (low certainty).
1 finding from 1 review
Onset of PDPH · participants undergoing lumbar puncture
Traumatic needles probably leads to higher onset of PDPH compared with atraumatic needles (moderate certainty).
1 finding from 1 review
Headache · patients undergoing lumbar punctures with traumatic needles (Quincke, Greene, Hingson Ferguson, Lutz, Brace, Rovenstine, Lemmon)
Larger traumatic needles probably leads to lower any headache compared with smaller traumatic needles (moderate certainty).
1 finding from 1 review
Onset of PDPH · patients undergoing lumbar punctures with atraumatic needles (Whitacre, Atraucan, Sprotte, Cappe‐Deutsh, Pajunk, Gertie Marx, Durasafe,…
Larger atraumatic needles may leads to lower onset of PDPH compared with smaller atraumatic needles (low certainty).
1 finding from 1 review
Paraesthesia · patients undergoing lumbar punctures with atraumatic needles (Whitacre, Atraucan, Sprotte, Cappe‐Deutsh, Pajunk, Gertie Marx, Durasafe,…
Larger atraumatic needles probably leads to lower adverse events: paraesthesia compared with smaller atraumatic needles (moderate certainty).
1 finding from 1 review
Adverse events: backache · patients undergoing lumbar punctures with atraumatic needles (Whitacre, Atraucan, Sprotte, Cappe‐Deutsh, Pajunk, Gertie Marx, Durasafe,…
Larger atraumatic needles probably leads to lower adverse events: backache compared with smaller atraumatic needles (moderate certainty).
1 finding from 1 review
Severe PDPH · patients undergoing lumbar punctures with atraumatic needles (Whitacre, Atraucan, Sprotte, Cappe‐Deutsh, Pajunk, Gertie Marx, Durasafe,…
Larger atraumatic needles showed no clear difference in severe PDPH compared with smaller atraumatic needles (low certainty).
1 finding from 1 review