• Eduardo L De Vito.
• Departamento de Neumonología y Laboratorio Pulmonar, Instituto de Investigaciones Médicas Alfredo Lanari, Facultad de Medicina, Universidad de Buenos Aires, Argentina. E-mail: eldevito@gmail.com.
• Medicina (B Aires). 2022 Jan 1; 82 (2): 244-248.

AbstractAlthough the references warn about the adverse effects of adding O2 without ventilatory assistance in patients with neuromuscular diseases (NMD), patients are still to be admitted to intensive care units with severe hypercapnia and CO2 narcosis. It seems that the problem is rediscovered as the years and generations go by. Unfortunately, many patients and their network of formal and informal caregivers are unaware of this risk, leading to significant worsening of symptoms, acute events, hospital admissions, and, in some cases, cause death. This article focuses on the dangers of O2 administration as well as its precise indications in people with NMD. The central problem is that the administration of O2 can remove the hypoxic impulse to ventilate, however, other mechanisms could be involved, but. The complete withdrawal of oxygen therapy is an even greater mistake if it is not supported by ventilatory assistance. It is possible to supply O2 and control CO2 safely. Oxygen should never be administered without constantly monitoring the CO2 level. Bi-level non-invasive ventilation (BiPAP) through a buccal, nasal interface or mouthpiece is the primary measure to reverse hypoventilation and achieve a decrease in PaCO2. The indications for oxygen therapy in people with NMD have been agreed upon and are reserved for specific situations. To improve the care of those with NMD and avoid iatrogenic interventions, education of the health team and support in the patient's environment is required.

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