What do systematic reviews say?

PLMA vs tracheal tube

• Supraglottic airway devices versus tracheal intubation for airway management during general anaesthesia in obese… 2013 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 118 participants
  Low

PLMA vs tracheal tube

PLMA probably leads to lower episodes of hypoxaemia in PACU < 92% oxygen saturation compared with tracheal tube (moderate certainty).

• Supraglottic airway devices versus tracheal intubation for airway management during general anaesthesia in obese… 2013 · Cochrane Headline outcomes only
  RR 0.27 [0.1, 0.72]
  1 study · 70 participants
  Moderate

PLMA vs tracheal tube

• Supraglottic airway devices versus tracheal intubation for airway management during general anaesthesia in obese… 2013 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 204 participants
  Low

PLMA vs tracheal tube

• Supraglottic airway devices versus tracheal intubation for airway management during general anaesthesia in obese… 2013 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 232 participants
  GRADE not reported

PLMA vs tracheal tube

The review found no eligible studies for this question.

• Supraglottic airway devices versus tracheal intubation for airway management during general anaesthesia in obese… 2013 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

PLMA vs tracheal tube

It is very uncertain whether PLMA changes laryngospasm/bronchoconstriction between induction and recovery compared with tracheal tube (very low certainty).

• Supraglottic airway devices versus tracheal intubation for airway management during general anaesthesia in obese… 2013 · Cochrane Headline outcomes only
  RR 0.5 [0.09, 2.84]
  2 studies · 232 participants
  Very low

PLMA vs tracheal tube

• Supraglottic airway devices versus tracheal intubation for airway management during general anaesthesia in obese… 2013 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 70 participants
  Low

Early removal of the LMA vs late removal of the LMA after general anaesthesia

Early removal of the LMA showed no clear difference in laryngospasm (immediate) compared with late removal of the LMA after general anaesthesia (low certainty).

• Early versus late removal of the laryngeal mask airway (LMA) for general anaesthesia 2015 · Cochrane Headline outcomes only
  RR 1.23 [0.74, 2.03]
  11 studies · 1615 participants
  Low

Early removal of the LMA vs late removal of the LMA after general anaesthesia

It is very uncertain whether early removal of the LMA changes desaturation (immediate) compared with late removal of the LMA after general anaesthesia (very low certainty).

• Early versus late removal of the laryngeal mask airway (LMA) for general anaesthesia 2015 · Cochrane Headline outcomes only
  RR 0.68 [0.4, 1.16]
  13 studies · 2037 participants
  Very low

Early removal of the LMA vs late removal of the LMA after general anaesthesia

Early removal of the LMA may leads to higher airway obstruction (immediate) compared with late removal of the LMA after general anaesthesia (low certainty).

• Early versus late removal of the laryngeal mask airway (LMA) for general anaesthesia 2015 · Cochrane Headline outcomes only
  RR 2.69 [1.32, 5.5]
  8 studies · 1313 participants
  Low

Early removal of the LMA vs late removal of the LMA after general anaesthesia

It is very uncertain whether early removal of the LMA changes coughing (immediate) compared with late removal of the LMA after general anaesthesia (very low certainty).

• Early versus late removal of the laryngeal mask airway (LMA) for general anaesthesia 2015 · Cochrane Headline outcomes only
  RR 0.52 [0.29, 0.94]
  11 studies · 1430 participants
  Very low