TY - JOUR T1 - Editor’s Commentary JF - Respiratory Care SP - i LP - i VL - 67 IS - 5 A2 - , Y1 - 2022/05/01 UR - http://rc.rcjournal.com/content/67/5/i.abstract N2 - This Month’s Editor’s Choice is a comparison of patient- ventilator synchrony between neurally-adjusted ventilatory assist and variable pressure support ventilation (PSV). Vargas and others studied 13 subjects with mild to moderate ARDS evaluating the coefficient for variability of tidal volume (VT) and asynchronies. They found no differences in pressure time product or asynchrony index, but noted reduced variability of VT with variable PSV. Mireles-Cabodevila and Gama de Abreu provide an accompanying editorial. They detail the complexities of comparing modes and the myriad of measurements that can be used to evaluate synchrony. They also lament the lack of standardization of nomenclature and argue for consensus on definitions and methods.Lew and colleagues provide a retrospective review of data from 97 pediatric ICUs regarding the use of heliox during treatment of critical asthma. Of the over 40,000 subjects included in the study, 1,070 (2.5%) received heliox. Approximately one-third of these subjects required mechanical ventilation, and no differences in outcomes related to administration of heliox were identified. They concluded that use of heliox was uncommon and not associated with any improvement … ER -