High-Flow Nasal Cannula and Standard Oxygen in Acute Hypoxemic Respiratory Failure Due to COVID-19.

Background: The evidence regarding benefits of high-flow nasal cannula (HFNC) in patients with COVID-19 is controversial. The aim of this study was to evaluate the impact of HFNC in comparison with standard oxygen therapy on the frequency of endotracheal intubation at 28 d in subjects with acute hypoxemic respiratory failure (AHRF) secondary to SARS-CoV-2 infection.

Methods: A retrospective, age- and sex-matched-paired, cohort study was conducted in subjects with moderate-to-severe AHRF.

[The "B-side" of the prone: axonal injury in patients with SARS-CoV-2].

The prone position for the treatment of hypoxemic acute respiratory failure in patients with severe COVID-19 pneumonia, who are critically ill and mechanically ventilated, is well documented. These cases provide information on the most frequent injury locations, severity, and prevalence in affected peripheral nerves, mostly involving the upper limb, as these injuries are not widely discussed in the literature. Furthermore, it is intended to be a starting point to provide intensive care units with a review of their prone application protocols.

[Vasculitis of the celiac artery as a presentation of Takayasu's arteritis].

Takayasu arteritis is an idiopathic and chronic granulomatous vasculitis manifested in the form of panaortitis, of unknown etiology, even though an autoimmune origin is postulated. It is progressive and generates, in adults and children, segmental stenosis, occlusion, dilation and / or aneurysms. Isolated gastrointestinal vasculitis without systemic involvement is rare.