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1.
BMJ Open ; 12(4): e057368, 2022 04 22.
Article in English | MEDLINE | ID: covidwho-1807412

ABSTRACT

INTRODUCTION: Prognosis of patients with COVID-19 depends on the severity of the pulmonary affection. The most severe cases may progress to acute respiratory distress syndrome (ARDS), which is associated with a risk of long-term repercussions on respiratory function and neuromuscular outcomes. The functional repercussions of severe forms of COVID-19 may have a major impact on quality of life, and impair the ability to return to work or exercise. Social inequalities in healthcare may influence prognosis, with socially vulnerable individuals more likely to develop severe forms of disease. We describe here the protocol for a prospective, multicentre study that aims to investigate the influence of social vulnerability on functional recovery in patients who were hospitalised in intensive care for ARDS caused by COVID-19. This study will also include an embedded qualitative study that aims to describe facilitators and barriers to compliance with rehabilitation, describe patients' health practices and identify social representations of health, disease and care. METHODS AND ANALYSIS: The "Functional Recovery From Acute Respiratory Distress Syndrome (ARDS) Due to COVID-19: Influence of Socio-Economic Status" (RECOVIDS) study is a mixed-methods, observational, multicentre cohort study performed during the routine follow-up of post-intensive care unit (ICU) functional recovery after ARDS. All patients admitted to a participating ICU for PCR-proven SARS-CoV-2 infection and who underwent chest CT scan at the initial phase AND who received respiratory support (mechanical or not) or high-flow nasal oxygen, AND had ARDS diagnosed by the Berlin criteria will be eligible. The primary outcome is the presence of lung sequelae at 6 months after ICU discharge, defined either by alterations on pulmonary function tests, oxygen desaturation during a standardised 6 min walk test or fibrosis-like pulmonary findings on chest CT. Patients will be considered to be socially disadvantaged if they have an "Evaluation de la Précarité et des Inégalités de santé dans les Centres d'Examen de Santé" (EPICES) score ≥30.17 at inclusion. ETHICS AND DISSEMINATION: The study protocol and the informed consent form were approved by an independent ethics committee (Comité de Protection des Personnes Sud Méditerranée II) on 10 July 2020 (2020-A02014-35). All patients will provide informed consent before participation. Findings will be published in peer-reviewed journals and presented at national and international congresses. TRIAL REGISTRATION NUMBER: NCT04556513.


Subject(s)
COVID-19 , Respiratory Distress Syndrome , COVID-19/complications , Cohort Studies , Humans , Oxygen , Prospective Studies , Quality of Life , Respiratory Distress Syndrome/etiology , Respiratory Distress Syndrome/therapy , SARS-CoV-2 , Social Class , Treatment Outcome
2.
BMJ Open ; 11(5): e045041, 2021 05 11.
Article in English | MEDLINE | ID: covidwho-1259009

ABSTRACT

INTRODUCTION: International guidelines include early nutritional support (≤48 hour after admission), 20-25 kcal/kg/day, and 1.2-2 g/kg/day protein at the acute phase of critical illness. Recent data challenge the appropriateness of providing standard amounts of calories and protein during acute critical illness. Restricting calorie and protein intakes seemed beneficial, suggesting a role for metabolic pathways such as autophagy, a potential key mechanism in safeguarding cellular integrity, notably in the muscle, during critical illness. However, the optimal calorie and protein supply at the acute phase of severe critical illness remains unknown. NUTRIREA-3 will be the first trial to compare standard calorie and protein feeding complying with guidelines to low-calorie low-protein feeding. We hypothesised that nutritional support with calorie and protein restriction during acute critical illness decreased day 90 mortality and/or dependency on intensive care unit (ICU) management in mechanically ventilated patients receiving vasoactive amine therapy for shock, compared with standard calorie and protein targets. METHODS AND ANALYSIS: NUTRIREA-3 is a randomised, controlled, multicentre, open-label trial comparing two parallel groups of patients receiving invasive mechanical ventilation and vasoactive amine therapy for shock and given early nutritional support according to one of two strategies: early calorie-protein restriction (6 kcal/kg/day-0.2-0.4 g/kg/day) or standard calorie-protein targets (25 kcal/kg/day, 1.0-1.3 g/kg/day) at the acute phase defined as the first 7 days in the ICU. We will include 3044 patients in 61 French ICUs. Two primary end-points will be evaluated: day 90 mortality and time to ICU discharge readiness. The trial will be considered positive if significant between-group differences are found for one or both alternative primary endpoints. Secondary outcomes include hospital-acquired infections and nutritional, clinical and functional outcomes. ETHICS AND DISSEMINATION: The NUTRIREA-3 study has been approved by the appropriate ethics committee. Patients are included after informed consent. Results will be submitted for publication in peer-reviewed journals. TRIAL REGISTRATION NUMBER: NCT03573739.


Subject(s)
COVID-19 , Diet, Protein-Restricted , Adult , Critical Illness , Humans , Respiration, Artificial , SARS-CoV-2
3.
Ther Adv Respir Dis ; 15: 17534666211019555, 2021.
Article in English | MEDLINE | ID: covidwho-1247557

ABSTRACT

BACKGROUNDS: High flow nasal cannula (HFNC) is an alternative therapy for acute respiratory distress syndrome (ARDS) due to coronavirus disease 2019 (COVID-19). This study aimed first to describe outcomes of patients suffering from COVID-19-related ARDS treated with HFNC; secondly to evaluate safety of HFNC (patients and healthcare workers) and compare patients according to respiratory outcome. METHODS: A retrospective cohort was conducted in French general hospital intensive care unit (ICU). Patients were included if receiving HFNC for hypoxemia (saturation pulse oxygen (SpO2) <92% under oxygen ⩾6 L/min) associated with ARDS and positive SARS-CoV-2 polymerase chain reaction (PCR). Main clinical characteristics and outcomes are described in patients: (a) with do not intubate order (HFNC-DNIO); (b) who did not need intubation (HFNC-only); and (c) eventually intubated (HFNC-intubation). Medians are presented with (1st-3rd) interquartile range. RESULTS: From 26 February to 30 June 2020, 46 patients of median age 75 (70-79) years were included. In the HFNC-DNIO group (n = 11), partial arterial oxygen pressure (PaO2)/inhaled fraction of oxygen (FiO2) ratio median worst PaO2/FiO2 ratio was 109 (102-172) and hospital mortality was 54.5%. Except the HFNC-DNIO patients (n = 35), 20 patients (57%) were eventually intubated (HFNC-intubation group) and 15 were only treated by HFNC (HFNC-only). HFNC-intubation patients presented higher worst respiratory rates per minute in ICU [37 (34-41) versus 33 (24-34) min, p < 0.05] and worsened ICU admission PaO2/FiO2 ratios [121 (103-169) versus 191 (162-219), p < 0.001] compared with HFNC-only patients. Hospital mortality was 35% (n = 7/20) in HFNC-intubation group, 0% in HFNC-only group with a global mortality of these two groups of 20% (n = 7/35). Among tests performed in healthcare workers, 1/12 PCR in symptomatic healthcare workers and 1.8% serologies in asymptomatic healthcare workers were positive. After review of each case, COVID-19 was likely to be acquired outside hospital. CONCLUSIONS: HFNC seems to be useful for COVID-19-related ARDS and safe for healthcare workers. ARDS severity with PaO2/FiO2 <150 associated with respiratory rate >35/min could be regarded as a predictor of intubation.The reviews of this paper are available via the supplemental material section.


Subject(s)
COVID-19/complications , Cannula , Noninvasive Ventilation/instrumentation , Oxygen Inhalation Therapy/instrumentation , Respiratory Distress Syndrome/therapy , Respiratory Distress Syndrome/virology , Aged , COVID-19/mortality , COVID-19/therapy , Critical Care , Female , France , Hospital Mortality , Humans , Male , Respiratory Distress Syndrome/mortality , Retrospective Studies
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