Cochrane · systematic review · CD009026

ProSeal versus Classic laryngeal mask airway (LMA) for positive pressure ventilation in adults undergoing elective surgery

Qamarul Hoda, M, Samad, K, Ullah, H · Cochrane Database of Systematic Reviews · 2017 · Cochrane Library

AnaesthesiaAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
7
current version
GRADE rated
6
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 1 · 14.3%Very low 1 · 14.3%Low 5 · 71.4%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

ProSeal versus Classic laryngeal mask airway (LMA) for positive pressure ventilation in adult patients undergoing elective surgery

Population: adult patients (18 years of age and older) for positive pressure ventilation undergoing elective surgery
7 questions
OutcomeEffectEvidenceStatus / GRADE
Inadequate oxygenation (SaO₂ < 90% on peripheral oxygen saturation)
ProSeal vs Classic laryngeal mask airway (LMA)
RR 0.75 [0.17, 3.31]4 studies · 617 participantsVery low
Downgraded: risk of bias, imprecision
Inadequate ventilation ( ETCO₂ > 45 mm Hg)
ProSeal vs Classic laryngeal mask airway (LMA)
no estimate extracted1 study · 80 participantsUngraded
Time required for effective airway (seconds)
ProSeal vs Classic laryngeal mask airway (LMA)
no estimate extracted2 studies · 434 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Peak airway pressure during positive pressure ventilation (cm H₂O)
ProSeal vs Classic laryngeal mask airway (LMA)
no estimate extracted4 studies · 259 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Oropharyngeal leak pressure (seal pressure) (cm H₂O)
ProSeal vs Classic laryngeal mask airway (LMA)
no estimate extracted6 studies · 709 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Sore throat
ProSeal vs Classic laryngeal mask airway (LMA)
RR 0.77 [0.55, 1.08]5 studies · 653 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Regurgitation
ProSeal vs Classic laryngeal mask airway (LMA)
RR 0.8 [0.24, 2.69]4 studies · 597 participantsLow
Downgraded: risk of bias, imprecision, inconsistency