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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

MUNOZ-COFRE, Rodrigo et al. Relations of Ventilatory Mechanical and Radiographic Measures with the Connection Time to Mechanical Ventilation in Patients COVID-19: A Preliminary Analysis. Int. J. Morphol. [online]. 2020, vol.38, n.6, pp.1580-1585. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022020000601580.

The lungs are the predominant site of COVID-19 infection. This can lead to severe acute respiratory síndrome (ARDS). In view of its severe symptoms, mechanical ventilation (MV) and its ventilatory mechanics values appear as a fundamental tool. Chest radiography (CR) is a complement to analyze the state of progress of this pathology, although this sometimes depends on the experience of the health team. Thus, the aim of this research was to explore the relationship of ventilatory mechanics and radiographic measures with connection time to MV in COVID-19 patients. Retrospective study, which included 23 patients on MV. Information on ventilatory mechanics variables was collected; PEEP, plateau pressure, distension pressure and static compliance. And from CR, lung height and width, costodiaphragmatic angle and intercostal space were measured. The results indicated that ventilatory mechanics variables such as PEEP and plateau were significantly related to connection time to MV (r = 0.449; p = 0.035 and r = 0.472; p = 0.026), while the radiographic variables Constructed on the basis of the costodiaphragmatic angle and the intercostal space, they showed similar behaviors (r = 0.462; p = 0.046 and r = -0.543; p = 0.009). In conclusion, the pressure resulting from mechanical ventilator programming, together with the structural changes observed in CR, are related to the connection time to MV.

Keywords : COVID-19; Chest X-ray; Mechanic ventilation.

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