Dear Editor,

I read with great interest the recently published American Association for Respiratory Care (AARC) Clinical Practice Guideline: Spontaneous Breathing Trials (SBTs) for Liberation From Adult Mechanical Ventilation.1 This guideline represents a significant milestone in standardizing practices crucial to critical care, yet it also prompts a deeper exploration of its implications and limitations.

The guideline’s emphasis on systematic SBTs to assess readiness for liberation from mechanical ventilation is underpinned by compelling evidence supporting the benefits of reducing ventilator days and ICU length of stay.1 This structured approach aims to enhance …

Correspondence: Rogério da Hora Passos, Critical Care Unit, Hospital Israelita Albert Einstein, São Paulo, Brazil. E-mail: oiregorpassosyahoo.com.br.