Management of Respiratory Failure in Meige's Syndrome

Primary Recommendations

In patients with Meige's syndrome who develop type 2 respiratory failure, non-invasive ventilation (NIV) should be initiated when pH <7.35 and PaCO₂ >6 kPa, with controlled oxygen therapy targeting SpO₂ 88-92%, while simultaneously addressing the underlying dystonia with botulinum toxin injections to respiratory muscles involved in the dystonic process 1, 2

Administer controlled oxygen therapy with strict target saturation of 88-92% to avoid worsening hypercapnia 2
Monitor CO₂ levels closely with arterial blood gas analysis or transcutaneous CO₂ measurement 2
NIV is the treatment of choice for type 2 respiratory failure in this population when pH <7.35 and PaCO₂ >6 kPa 1, 2
Use BiPAP mode for type 2 respiratory failure rather than CPAP alone 3
Initial NIV settings should target tidal volumes of 6-8 mL/kg with respiratory rate 15-25 breaths/minute 4

If NIV fails to improve pH and PaCO₂ within 4-6 hours, or if the patient develops worsening mental status or hemodynamic instability, proceed to invasive mechanical ventilation 1, 2
Use lung-protective ventilation with tidal volumes 6-8 mL/kg ideal body weight 4, 5
Set respiratory rate 10-15 breaths/minute with I:E ratio 1:2-1:4 to allow adequate expiratory time 4
Target plateau pressures <30 cmH₂O 5
Accept permissive hypercapnia with pH >7.20 if needed to avoid barotrauma 5