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Respiratory Care |

Predictive Factors for Domiciliary Oxygen Therapy After Hospital Stay

Margarida Dias, MD; Daniel Coutinho, MD; Maria João Oliveira, MD; Inês Franco, MD; Maria Brito, MD; Ana Antunes, MD
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Centro Hospitalar Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal


Chest. 2014;145(3_MeetingAbstracts):538A. doi:10.1378/chest.1836628
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Abstract

SESSION TITLE: Respiratory Support Posters

SESSION TYPE: Poster Presentations

PRESENTED ON: Saturday, March 22, 2014 at 01:15 PM - 02:15 PM

PURPOSE: Acute respiratory insufficiency, requiring oxygen therapy, is a frequent cause of hospital admission. Some of these patients maintain the need of oxygen therapy at the time of hospital discharge. This study aims to evaluate, among the patients who started oxygen therapy during hospital stay, the differences between those who were discharged without oxygen therapy and those who had criteria to continue oxygen therapy at home.

METHODS: Retrospective study, which included all patients admitted in a Pulmonology Department, between 1/January/2012 and 31/March/2013 who needed oxygen therapy during hospital stay. Patients who were already doing domiciliary oxygen therapy (DOT) at hospital admission and those who died during hospital stay were excluded. Two groups were defined according to the need or not of oxygen therapy at the time of hospital discharge. Demographic parameters, known respiratory pathologies, hospital admission diagnosis and length of stay were compared between groups. It was also evaluated if patients who needed DOT at hospital discharge continued to need it three months after discharge.

RESULTS: 482 patients were included, 65% male, average age 65 +/- 15 years old. 68.7% of patients had previous known respiratory pathology. At time of discharge, 124 (25.7%) needed DOT. Multivariate analysis of clinical-demographic characteristics showed that older age, current or past smoking habits, COPD diagnosis and longer hospital stay are associated, with statistical significance, to the need of oxygen therapy after hospital discharge (p<0.03). Three months after discharge, 100 patients who needed DOT were alive and, among these, 65% maintained need of oxygen therapy.

CONCLUSIONS: Chronic respiratory pathologies, mainly COPD, older age, current or past smoking habits and a longer duration of hospital stay are associated with the need of DOT after hospital discharge. 65% of those patients needed long-term oxygen therapy, independently of their clinical-demographic characteristics.

CLINICAL IMPLICATIONS: This study identified clinical-demographic characteristics that predict the need to maintain oxygen therapy after hospital discharge when the patient was admitted with acute respiratory insufficiency.

DISCLOSURE: The following authors have nothing to disclose: Margarida Dias, Daniel Coutinho, Maria João Oliveira, Inês Franco, Maria Brito, Ana Antunes

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