Feasibility and Short-Term SpO/FiO Changes in Hospitalized Adults with COVID-19 Pneumonia After Chest Physiotherapy with Threshold PEP Valve: A Cross-Sectional Study

Overview

Journal J Clin Med

Specialty General Medicine

Date 2023 Sep 9

PMID 37685610

Authors

Julia Estela

Emilio Jose Sanchez

Georgina Mateu

Elena Fernandez

Eva Robert

Silvia Pozo

Mariona Noray

Joan C Oliva

Fernanda M Caballero

Manel Lujan

Affiliations

Soon will be listed here.

Abstract

Background: One of the main features of COVID-19 pneumonia is hypoxemic acute respiratory failure (ARF), often requiring ventilatory support. The influence of chest physiotherapy in patients with ARF is not extensively studied. The aim of the study was to analyze the short-time effects of chest physiotherapy using a 10 cm HO threshold valve in patients with COVID-19 and ARF. Methods; Quasi-experimental cross-sectional study, in hospitalized patients from March to May 2020. The fractions of inspired oxygen, oxygen saturation, heart rate, respiratory rate and dyspnea were collected before and after the starting session (day 1) and after the 5th day of therapy.

Results: The final sample size included 125 patients. Significant differences ( < 0.01) were found in the pre-post intervention SpO/FiO ratio (250 ± 88.4 vs. 275.6 ± 97.5, < 0.001), reaching 354.4 ± 110.2 after 5 days of therapy ( < 0.001 with respect to the baseline). The respiratory and heart rate dyspnea level did not change during the intervention. In patients needing FiO > 0.4, the SpO/FiO ratio improvement was higher than in patients with milder severity (46.85 ± 77.69, < 0.01).

Conclusions: Chest physiotherapy with a 10 cm HO threshold valve seems to be a safe and tolerated intervention with short-term improvement in oxygenation in patients with COVID-19 pneumonia.

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