• Gabriel Kemoun, Alexandre Demoule, and Maxens Decavèle.
• Sorbonne Université, INSERM, UMRS1158 Neurophysiologie Respiratoire Expérimentale et Clinique.
• Curr Opin Crit Care. 2025 Feb 1; 31 (1): 475647-56.

Purpose Of ReviewTo summarize current data regarding the prevalence, risk factors, consequences, assessment and treatment of dyspnea in critically ill patients receiving invasive mechanical ventilation.Recent FindingsIn intubated patients, dyspnea is frequent, perceived as intense, and associated with unfavorable outcomes such as immediate and unbearable distress (e.g. fear of dying), prolonged weaning, and delayed severe psychological consequences ( i.e. posttraumatic stress disorders). In noncommunicative patients, dyspnea is named respiratory-related brain suffering (RRBS) and can be detected using dyspnea observations scales. Before initiating pharmacological treatments, nonpharmacological interventions may be tried as they are efficient to alleviate dyspnea.SummaryAs opposed to pain, dyspnea has often been overlooked in terms of detection and management, resulting in its significant underestimation in daily practice. When it is diagnosed, dyspnea can be relieved through straightforward interventions, such as adjusting ventilator settings. Assessing dyspnea in patients undergoing invasive mechanically ventilated may be challenging, especially in noncommunicative patients (RRBS). Implementing a systematic dyspnea assessment in routine, akin to pain, could serve as a first step to reduce RRBS and prevent potential severe psychological consequences. In addition to pharmacological treatments like opioids, a promising approach is to modulate both the sensory (air on the face, trigeminal nerve stimulation) and the affective (relaxing music, hypnosis, directed empathy) components of dyspnea.Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.

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