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Hernández Garcés H, Belenguer Muncharaz A, Bernal Julián F, Hermosilla Semikina I, Tormo Rodríguez L, Granero Gasamans E, Viana Marco C, Zaragoza Crespo R. The value of local validation of a predictive model. A nomogram for predicting failure of non-invasive ventilation in patients with SARS-COV-2 pneumonia. Med Intensiva 2025:502148. [PMID: 39827067 DOI: 10.1016/j.medine.2025.502148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2024] [Revised: 11/06/2024] [Accepted: 11/10/2024] [Indexed: 01/22/2025]
Abstract
OBJECTIVE We aimed to determine predictors of non-invasive ventilation (NIV) failure and validate a nomogram to identify patients at risk of NIV failure. DESIGN Observational, analytical study of a retrospective cohort from a single center, compared with an external cohort (March 2020 to August 2021). SETTING Two intensive care units (ICUs). PATIENTS Patients with pneumonia due to severe acute respiratory syndrome (SARS-CoV-2) and NIV > 24 h (154 and 229 in each cohort). INTERVENTIONS The training cohort identified NIV failure predictors. A nomogram, created via logistic regression, underwent validation with the Hosmer-Lemeshow (HL), calibration curve and test and area under the curve (AUC). Its external validity was tested using AUC. MAIN VARIABLES OF INTEREST Demographics, comorbidities, severity scores, NIV settings, vital signs, blood gases, and oxygenation at the start and 24 h after NIV, NIV failure. RESULTS NIV failure was 37.6% and 18% in the training and validation cohorts, respectively. Risk factors for NIV failure inluded age, obesity, sequential organ failure assessment (SOFA) score at admission, and heart rate (HR) and heart rate, acidosis, consciousness, oxygenation, respiratory rate (HACOR) 24 h post-NIV. The model's HL test result was 0.861, with an AUC of 0.89 (confidence interval [CI] 0.839-0.942); validation AUC was 0.547 (CI 0.449-0.645). CONCLUSIONS A predictive model using age, obesity, SOFA score, HR, and HACOR at 24 h predicts NIV failure in our COVID-19 patients but may not apply to other ICUs.
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Affiliation(s)
- Héctor Hernández Garcés
- Intensive Care Unit, Hospital Universitario Doctor Peset, Av Gaspar Aguilar 90, 46017 Valencia, Spain.
| | | | - Francisco Bernal Julián
- Intensive Care Unit, Hospital General Universitario de Castellón, Av Benicassim 128, Castellón, Spain
| | - Irina Hermosilla Semikina
- Intensive Care Unit, Hospital General Universitario de Castellón, Av Benicassim 128, Castellón, Spain
| | - Luis Tormo Rodríguez
- Intensive Care Unit, Hospital General Universitario de Castellón, Av Benicassim 128, Castellón, Spain
| | | | - Clara Viana Marco
- Intensive Care Unit, Hospital General Universitario de Castellón, Av Benicassim 128, Castellón, Spain
| | - Rafael Zaragoza Crespo
- Intensive Care Unit, Hospital Universitario Doctor Peset, Av Gaspar Aguilar 90, 46017 Valencia, Spain
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Taivans I, Grima L, Jurka N, Zvaigzne L, Gordjušina V, Strazda G. FOT Technique Applied for Monitoring of COVID-19 Pneumonia Reveals Small Airways Involvement. Diagnostics (Basel) 2024; 14:1160. [PMID: 38893686 PMCID: PMC11171776 DOI: 10.3390/diagnostics14111160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
The fact that some SARS-CoV-2 pneumonia patients benefit from changing body position, and some from continuous positive airways pressure (CPAP), indicates the functional character of hypoxia. We hypothesize that such effects could be explained by the closure of small airways. To prove the hypothesis, we evaluated the patency of small airways in 30 oxygen-dependent, spontaneously breathing patients with SARS-CoV-2 pneumonia during their hospital stay using the FOT method and then compared the results with data obtained three months later. During the acute period, total resistance (R5) and peripheral resistance (R5-20) rose above the upper limit of normal (ULN) in 28% and 50% of all patients, respectively. Reactance indices X5, AX and Fres exceeded ULN in 55%, 68% and 66% of cases. Significant correlations were observed between PaO2/FiO2, the time spent in the hospital and R5, X5, AX and Fres. After 3 months, 18 patients were re-examined. During the hospital stay, 11 of them had risen above the upper limit of normal (ULN), for both resistance (R5-20) and reactance (X5, AX) values. Three months later, ULN for R5-20 was exceeded in only four individuals, but ULN for X5 and AX was exceeded in five individuals. Lung function examination revealed a combined restrictive/obstructive ventilatory failure and reduced CO transfer factor. We interpret these changes as lung tissue remodeling due to the process of fibrosis. We conclude that during acute period of SARS-CoV-2 pneumonia, dilated pulmonary blood vessels and parenchymal oedema induce functional closure of small airways, which in turn induce atelectasis with pulmonary right-to-left shunting, followed by the resulting hypoxemia.
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Affiliation(s)
- Immanuels Taivans
- Medical Faculty, University of Latvia, LV1050 Riga, Latvia; (L.G.); (N.J.); (V.G.); (G.S.)
| | - Laura Grima
- Medical Faculty, University of Latvia, LV1050 Riga, Latvia; (L.G.); (N.J.); (V.G.); (G.S.)
| | - Normunds Jurka
- Medical Faculty, University of Latvia, LV1050 Riga, Latvia; (L.G.); (N.J.); (V.G.); (G.S.)
| | | | - Valentina Gordjušina
- Medical Faculty, University of Latvia, LV1050 Riga, Latvia; (L.G.); (N.J.); (V.G.); (G.S.)
| | - Gunta Strazda
- Medical Faculty, University of Latvia, LV1050 Riga, Latvia; (L.G.); (N.J.); (V.G.); (G.S.)
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Bagnato G, Imbalzano E, Ioppolo C, La Rosa D, Chiappalone M, De Gaetano A, Viapiana V, Irrera N, Nassisi V, Tringali MC, Singh EB, Falcomatà N, Russo V, Neal Roberts W, Di Micco P, Versace AG. Stratification of COVID-19 Patients with Moderate-to-Severe Hypoxemic Respiratory Failure for Response to High-Flow Nasal Cannula: A Retrospective Observational Study. MEDICINA (KAUNAS, LITHUANIA) 2023; 60:71. [PMID: 38256332 PMCID: PMC10819134 DOI: 10.3390/medicina60010071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 12/12/2023] [Accepted: 12/27/2023] [Indexed: 01/24/2024]
Abstract
Background and Objectives: In patients with COVID-19, high-flow nasal cannula (HFNC) and continuous positive airway pressure (CPAP) are widely applied as initial treatments for moderate-to-severe acute hypoxemic respiratory failure. The aim of the study was to assess which respiratory supports improve 28-day mortality and to identify a predictive index of treatment response. Materials and Methods: This is a single-center retrospective observational study including 159 consecutive adult patients with COVID-19 and moderate-to-severe hypoxemic acute respiratory failure. Results: A total of 159 patients (82 in the CPAP group and 77 in the HFNC group) were included in the study. Mortality within 28 days was significantly lower with HFNC compared to CPAP (16.8% vs. 50%), while ICU admission and tracheal intubation within 28 days were significantly higher with CPAP compared to HFNC treatment (32% vs. 13%). We identified an index for survival in HFNC by including three variables easily available at admission (LDH, age, and respiratory rate) and the PaO2/FiO2 ratio at 48 h. The index showed high discrimination for survival with an AUC of 0.88, a negative predictive value of 86%, and a positive predictive value of 95%. Conclusions: Treatment with HFNC appears to be associated with greater survival and fewer ICU admission than CPAP. LDH, respiratory rate, age, and PaO2/FiO2 at 48 h were independently associated with survival and an index based on these variables allows for the prediction of treatment success and the assessment of patient allocation to the appropriate intensity of care after 48 h. Further research is warranted to determine effects on other outcomes and to assess the performance of the index in larger cohorts.
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Affiliation(s)
- Gianluca Bagnato
- Department of Clinical and Experimental Medicine, University of Messina, 98100 Messina, Italy; (G.B.); (E.I.); (C.I.); (D.L.R.); (M.C.); (A.D.G.); (N.I.); (V.N.); (M.C.T.); (E.B.S.); (N.F.); (A.G.V.)
| | - Egidio Imbalzano
- Department of Clinical and Experimental Medicine, University of Messina, 98100 Messina, Italy; (G.B.); (E.I.); (C.I.); (D.L.R.); (M.C.); (A.D.G.); (N.I.); (V.N.); (M.C.T.); (E.B.S.); (N.F.); (A.G.V.)
| | - Carmelo Ioppolo
- Department of Clinical and Experimental Medicine, University of Messina, 98100 Messina, Italy; (G.B.); (E.I.); (C.I.); (D.L.R.); (M.C.); (A.D.G.); (N.I.); (V.N.); (M.C.T.); (E.B.S.); (N.F.); (A.G.V.)
| | - Daniela La Rosa
- Department of Clinical and Experimental Medicine, University of Messina, 98100 Messina, Italy; (G.B.); (E.I.); (C.I.); (D.L.R.); (M.C.); (A.D.G.); (N.I.); (V.N.); (M.C.T.); (E.B.S.); (N.F.); (A.G.V.)
| | - Marianna Chiappalone
- Department of Clinical and Experimental Medicine, University of Messina, 98100 Messina, Italy; (G.B.); (E.I.); (C.I.); (D.L.R.); (M.C.); (A.D.G.); (N.I.); (V.N.); (M.C.T.); (E.B.S.); (N.F.); (A.G.V.)
| | - Alberta De Gaetano
- Department of Clinical and Experimental Medicine, University of Messina, 98100 Messina, Italy; (G.B.); (E.I.); (C.I.); (D.L.R.); (M.C.); (A.D.G.); (N.I.); (V.N.); (M.C.T.); (E.B.S.); (N.F.); (A.G.V.)
| | - Valeria Viapiana
- Department of Clinical and Experimental Medicine, University of Messina, 98100 Messina, Italy; (G.B.); (E.I.); (C.I.); (D.L.R.); (M.C.); (A.D.G.); (N.I.); (V.N.); (M.C.T.); (E.B.S.); (N.F.); (A.G.V.)
| | - Natasha Irrera
- Department of Clinical and Experimental Medicine, University of Messina, 98100 Messina, Italy; (G.B.); (E.I.); (C.I.); (D.L.R.); (M.C.); (A.D.G.); (N.I.); (V.N.); (M.C.T.); (E.B.S.); (N.F.); (A.G.V.)
| | - Veronica Nassisi
- Department of Clinical and Experimental Medicine, University of Messina, 98100 Messina, Italy; (G.B.); (E.I.); (C.I.); (D.L.R.); (M.C.); (A.D.G.); (N.I.); (V.N.); (M.C.T.); (E.B.S.); (N.F.); (A.G.V.)
| | - Maria Concetta Tringali
- Department of Clinical and Experimental Medicine, University of Messina, 98100 Messina, Italy; (G.B.); (E.I.); (C.I.); (D.L.R.); (M.C.); (A.D.G.); (N.I.); (V.N.); (M.C.T.); (E.B.S.); (N.F.); (A.G.V.)
| | - Emanuele Balwinder Singh
- Department of Clinical and Experimental Medicine, University of Messina, 98100 Messina, Italy; (G.B.); (E.I.); (C.I.); (D.L.R.); (M.C.); (A.D.G.); (N.I.); (V.N.); (M.C.T.); (E.B.S.); (N.F.); (A.G.V.)
| | - Nicola Falcomatà
- Department of Clinical and Experimental Medicine, University of Messina, 98100 Messina, Italy; (G.B.); (E.I.); (C.I.); (D.L.R.); (M.C.); (A.D.G.); (N.I.); (V.N.); (M.C.T.); (E.B.S.); (N.F.); (A.G.V.)
| | - Vincenzo Russo
- Department of Medical Translational Sciences, Division of Cardiology, Monaldi Hospital, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy;
| | | | - Pierpaolo Di Micco
- Emergency Department, Rizzoli Hospital, Health Authority NA2, 80122 Napoli, Italy
| | - Antonio Giovanni Versace
- Department of Clinical and Experimental Medicine, University of Messina, 98100 Messina, Italy; (G.B.); (E.I.); (C.I.); (D.L.R.); (M.C.); (A.D.G.); (N.I.); (V.N.); (M.C.T.); (E.B.S.); (N.F.); (A.G.V.)
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Clinical Characteristics and Outcomes of Patients with Acute Respiratory Failure Due to SARS-CoV-2 Interstitial Pneumonia Treated with CPAP in a Medical Intermediate Care Setting: A Retrospective Observational Study on Comparison of Four Waves. J Clin Med 2023; 12:jcm12041562. [PMID: 36836094 PMCID: PMC9959438 DOI: 10.3390/jcm12041562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/08/2023] [Accepted: 02/10/2023] [Indexed: 02/18/2023] Open
Abstract
BACKGROUND In COVID-19 patients non-invasive-positive-pressure-ventilation (NIPPV) has held a challenging role to reduce mortality and the need for invasive mechanical ventilation (IMV). The aim of this study was to compare the characteristics of patients admitted to a Medical Intermediate Care Unit for acute respiratory failure due to SARS-CoV-2 pneumonia throughout four pandemic waves. METHODS The clinical data of 300 COVID-19 patients treated with continuous positive airway pressure (CPAP) were retrospectively analysed, from March-2020 to April-2022. RESULTS Non-survivors were older and more comorbid, whereas patients transferred to ICU were younger and had fewer pathologies. Patients were older (from 65 (29-91) years in I wave to 77 (32-94) in IV, p < 0.001) and with more comorbidities (from Charlson's Comorbidity Index = 3 (0-12) in I to 6 (1-12) in IV, p < 0.001). No statistical difference was found for in-hospital mortality (33.0%, 35.8%, 29.6% and 45.9% in I, II, III and IV, p = 0.216), although ICU-transfers rate decreased from 22.0% to 1.4%. CONCLUSIONS COVID-19 patients have become progressively older and with more comorbidities even in critical care area; from risk class analyses by age and comorbidity burden, in-hospital mortality rates remain high and are thus consistent over four waves while ICU-transfers have significantly reduced. Epidemiological changes need to be considered to improve the appropriateness of care.
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Sedda L, Ashish A, Unsworth A, Martindale J, Sundar R, Farrier M. Comparison of COVID-19 survival in relation to CPAP length of treatment and by comorbidity and transmission setting (community or hospital acquired) in a medium-sized UK hospital in 2020: a retrospective study. BMJ Open 2022; 12:e060994. [PMID: 36414291 PMCID: PMC9684282 DOI: 10.1136/bmjopen-2022-060994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE To estimate continuous positive airway pressure (CPAP) length of treatment effect on survival of hospitalised COVID-19 patients in a medium-sized UK Hospital, and how this effect changes according to the patient's comorbidity and COVID-19 route of acquisition (community or nosocomial) during the two waves in 2020. SETTING The acute inpatient unit in Wrightington, Wigan and Leigh Teaching Hospitals National Health Service (NHS) Foundation Trust (WWL), a medium-sized NHS Trust in north-west of England. DESIGN Retrospective cohort of all confirmed COVID-19 patients admitted in WWL during 2020. PARTICIPANTS 1830 patients (568 first wave, 1262 s wave) with antigen confirmed COVID-19 disease and severe acute respiratory syndrome admitted between 17 March 2020 (first confirmed COVID-19 case) and 31 December 2020. OUTCOME MEASURE COVID-19 survival rate in all patients and survival rate in potentially hospital-acquired COVID-19 (PHA) patients were modelled using a predictor set which include comorbidities (eg, obesity, diabetes, chronic ischaemic heart disease (IHD), chronic kidney disease (CKD), chronic obstructive pulmonary disease (COPD)), wave, age, sex and care home residency, and interventions (remdesivir, dexamethasone, CPAP, intensive care unit (ICU), intubation). Secondary outcome measure was CPAP length, which was modelled using the same predictors of the survival rate. RESULTS Mortality rate in the second wave was significantly lower than in the first wave (43.4% vs 28.1%, p<0.001), although for PHA COVID-19 patients mortality did not reduce, remaining at very high levels independently of wave and CPAP length. For all cohort, statistical modelling identified CPAP length (HR 95% CI 0.86 to 0.96) and women (HR 95% CI 0.71 to 0.81) were associated with improved survival, while being older age (HR 95% CI 1.02 to 1.03) admitted from care homes (HR 95% CI 2.22 to 2.39), IHD (HR 95% CI 1.13 to 1.24), CKD (HR 95% CI 1.14 to 1.25), obesity (HR 95% CI 1.18 to 1.28) and COPD-emphysema (HR 95% CI 1.18 to 1.57) were associated with reduced survival. Despite the detrimental effect of comorbidities, patients with CKD (95% CI 16% to 30% improvement in survival), IHD (95% CI 1% to 10% improvement in survival) and asthma (95% CI 8% to 30% improvement in survival) benefitted most from CPAP length, while no significant survival difference was found for obese and patients with diabetes. CONCLUSIONS The experience of an Acute Trust during the COVID-19 outbreak of 2020 is documented and indicates the importance of care home and hospitals in disease acquisition. Death rates fell between the first and second wave only for community-acquired COVID-19 patients. The fall was associated to CPAP length, especially for some comorbidities. While uncovering some risk and protective factors of mortality in COVID-19 studies, the study also unravels how little is known about PHA COVID-19 and the interaction between CPAP and some comorbidities.
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Affiliation(s)
- Luigi Sedda
- Lancaster Ecology and Epidemiology Group, Lancaster University, Lancaster, UK
| | - Abdul Ashish
- Wrightington Wigan and Leigh NHS Foundation Trust, Wigan, UK
| | - Alison Unsworth
- Wrightington Wigan and Leigh NHS Foundation Trust, Wigan, UK
| | - Jane Martindale
- Wrightington Wigan and Leigh NHS Foundation Trust, Wigan, UK
| | - Ramachandaran Sundar
- Department of Respiratory Medicine, Wrightington Wigan and Leigh NHS Foundation Trust, Wigan, UK
| | - Martin Farrier
- Paediatrics, Wrightington Wigan and Leigh NHS Foundation Trust, Wigan, UK
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Beran A, Srour O, Malhas SE, Mhanna M, Ayesh H, Sajdeya O, Musallam R, Khokher W, Kalifa M, Srour K, Assaly R. High-Flow Nasal Cannula Versus Noninvasive Ventilation in Patients With COVID-19. Respir Care 2022; 67:1177-1189. [PMID: 35318240 PMCID: PMC9994341 DOI: 10.4187/respcare.09987] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND High-flow nasal cannula (HFNC) oxygen and noninvasive ventilation (NIV) have been widely used in patients with acute hypoxic respiratory failure (AHRF) due to COVID-19. However, the impact of HFNC versus NIV on clinical outcomes of COVID-19 is uncertain. Therefore, we performed this meta-analysis to evaluate the effect of HFNC versus NIV in COVID-19-related AHRF. METHODS Several electronic databases were searched through February 10, 2022, for eligible studies comparing HFNC and NIV in COVID-19-related AHRF. Our primary outcome was intubation. The secondary outcomes were mortality, hospital length of stay (LOS), and PaO2 /FIO2 changes. Pooled risk ratio (RR) and mean difference (MD) with the corresponding 95% CI were obtained using a random-effect model. Prediction intervals were calculated to indicate the variance in outcomes that would be expected if new studies were conducted in the future. RESULTS Nineteen studies involving 3,606 subjects (1,880 received HFNC and 1,726 received NIV) were included. There were no differences in intubation (RR 1.01 [95% CI 0.85-1.20], P = .89) or LOS (MD 0.38 d [95% CI -0.61 to 1.37], P = .45) between groups, with consistent results on the subgroup of randomized controlled trials (RCTs). Mortality was lower in NIV (RR 0.81 [95% CI 0.66-0.98], P = .03). However, the prediction interval was 0.41-1.59, and subgroup analysis of RCTs showed no difference in mortality between groups. There was a greater improvement in PaO2 /FIO2 with NIV (MD 22.80 [95% CI 5.30-40.31], P = .01). CONCLUSIONS Our study showed that despite the greater improvement in PaO2 /FIO2 with NIV, intubation rates and LOS were similar between HFNC and NIV. Although mortality was lower with HFNC than NIV, the prediction interval included the null value, and there was no difference in mortality between HFNC and NIV on a subgroup of RCTs. Future large-scale RCTs are necessary to support our findings.
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Affiliation(s)
- Azizullah Beran
- Department of Internal Medicine, University of Toledo, Toledo, Ohio.
| | - Omar Srour
- Department of Internal Medicine, University of Toledo, Toledo, Ohio
| | | | - Mohammed Mhanna
- Department of Internal Medicine, University of Toledo, Toledo, Ohio
| | - Hazem Ayesh
- Department of Internal Medicine, University of Toledo, Toledo, Ohio
| | - Omar Sajdeya
- Department of Internal Medicine, University of Toledo, Toledo, Ohio
| | | | - Waleed Khokher
- Department of Internal Medicine, University of Toledo, Toledo, Ohio
| | - Muhamad Kalifa
- Department of Internal Medicine, University of Toledo, Toledo, Ohio
| | - Khaled Srour
- Department of Critical Care Medicine, Henry Ford Health System, Detroit, Michigan
| | - Ragheb Assaly
- Department of Pulmonary and Critical Care Medicine, University of Toledo, Toledo, Ohio
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Weerakkody S, Arina P, Glenister J, Cottrell S, Boscaini-Gilroy G, Singer M, Montgomery HE. Non-invasive respiratory support in the management of acute COVID-19 pneumonia: considerations for clinical practice and priorities for research. THE LANCET. RESPIRATORY MEDICINE 2022; 10:199-213. [PMID: 34767767 PMCID: PMC8577844 DOI: 10.1016/s2213-2600(21)00414-8] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 09/07/2021] [Accepted: 09/07/2021] [Indexed: 01/03/2023]
Abstract
Non-invasive respiratory support (NIRS) has increasingly been used in the management of COVID-19-associated acute respiratory failure, but questions remain about the utility, safety, and outcome benefit of NIRS strategies. We identified two randomised controlled trials and 83 observational studies, compromising 13 931 patients, that examined the effects of NIRS modalities-high-flow nasal oxygen, continuous positive airway pressure, and bilevel positive airway pressure-on patients with COVID-19. Of 5120 patients who were candidates for full treatment escalation, 1880 (37%) progressed to invasive mechanical ventilation and 3658 of 4669 (78%) survived to study end. Survival was 30% among the 1050 patients for whom NIRS was the stated ceiling of treatment. The two randomised controlled trials indicate superiority of non-invasive ventilation over high-flow nasal oxygen in reducing the need for intubation. Reported complication rates were low. Overall, the studies indicate that NIRS in patients with COVID-19 is safe, improves resource utilisation, and might be associated with better outcomes. To guide clinical decision making, prospective, randomised studies are needed to address timing of intervention, optimal use of NIRS modalities-alone or in combination-and validation of tools such as oxygenation indices, response to a trial of NIRS, and inflammatory markers as predictors of treatment success.
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Affiliation(s)
- Sampath Weerakkody
- Centre for Human Health and Performance, Institute of Sport, Exercise and Health, Division of Medicine, University College London, London, UK.
| | - Pietro Arina
- Bloomsbury Institute of Intensive Care Medicine, Division of Medicine, University College London, London, UK; University College London Hospitals NHS Foundation Trust, London, UK
| | | | - Sam Cottrell
- Digital Publishing, Office for National Statistics, Fareham, Hampshire, UK
| | | | - Mervyn Singer
- Bloomsbury Institute of Intensive Care Medicine, Division of Medicine, University College London, London, UK; University College London Hospitals NHS Foundation Trust, London, UK
| | - Hugh E Montgomery
- Centre for Human Health and Performance, Institute of Sport, Exercise and Health, Division of Medicine, University College London, London, UK; The Whittington Health NHS Foundation Trust, London, UK
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Peng Y, Dai B, Zhao HW, Wang W, Kang J, Hou HJ, Tan W. Comparison between high-flow nasal cannula and noninvasive ventilation in COVID-19 patients: a systematic review and meta-analysis. Ther Adv Respir Dis 2022; 16:17534666221113663. [PMID: 35861299 PMCID: PMC9340323 DOI: 10.1177/17534666221113663] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 06/29/2022] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND High-flow nasal cannula (HFNC) and noninvasive ventilation (NIV) are important treatment approaches for acute hypoxemic respiratory failure (AHRF) in coronavirus disease 2019 (COVID-19) patients. However, the differential impact of HFNC versus NIV on clinical outcomes of COVID-19 is uncertain. OBJECTIVES We assessed the effects of HFNC versus NIV (interface or mode) on clinical outcomes of COVID-19. METHODS We searched PubMed, EMBASE, Web of Science, Scopus, MedRxiv, and BioRxiv for randomized controlled trials (RCTs) and observational studies (with a control group) of HFNC and NIV in patients with COVID-19-related AHRF published in English before February 2022. The primary outcome of interest was the mortality rate, and the secondary outcomes were intubation rate, PaO2/FiO2, intensive care unit (ICU) length of stay (LOS), hospital LOS, and days free from invasive mechanical ventilation [ventilator-free day (VFD)]. RESULTS In all, 23 studies fulfilled the selection criteria, and 5354 patients were included. The mortality rate was higher in the NIV group than the HFNC group [odds ratio (OR) = 0.66, 95% confidence interval (CI): 0.51-0.84, p = 0.0008, I2 = 60%]; however, in this subgroup, no significant difference in mortality was observed in the NIV-helmet group (OR = 1.21, 95% CI: 0.63-2.32, p = 0.57, I2 = 0%) or NIV-continuous positive airway pressure (CPAP) group (OR = 0.77, 95% CI: 0.51-1.17, p = 0.23, I2 = 65%) relative to the HFNC group. There were no differences in intubation rate, PaO2/FiO2, ICU LOS, hospital LOS, or days free from invasive mechanical ventilation (VFD) between the HFNC and NIV groups. CONCLUSION Although mortality was lower with HFNC than NIV, there was no difference in mortality between HFNC and NIV on a subgroup of helmet or CPAP group. Future large sample RCTs are necessary to prove our findings. REGISTRATION This systematic review and meta-analysis protocol was prospectively registered with PROSPERO (no. CRD42022321997).
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Affiliation(s)
- Yun Peng
- Department of Intensive Care Medicine, The
Second Hospital of Jiaxing, Jiaxing, China
| | - Bing Dai
- Department of Respiratory and Critical Care
Medicine, The First Affiliated Hospital of China Medical University,
Shenyang, China
| | - Hong-wen Zhao
- Department of Respiratory and Critical Care
Medicine, The First Affiliated Hospital of China Medical University,
Shenyang, China
| | - Wei Wang
- Department of Respiratory and Critical Care
Medicine, The First Affiliated Hospital of China Medical University,
Shenyang, China
| | - Jian Kang
- Department of Respiratory and Critical Care
Medicine, The First Affiliated Hospital of China Medical University,
Shenyang, China
| | - Hai-jia Hou
- Department of Respiratory and Critical Care
Medicine, The First Affiliated Hospital of China Medical University,
Shenyang, China
| | - Wei Tan
- Department of Respiratory and Critical Care
Medicine, The First Affiliated Hospital of China Medical University, No.
155, Nanjing North Street, Heping District, Shenyang 110001, China
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Bonnesen B, Jensen JUS, Jeschke KN, Mathioudakis AG, Corlateanu A, Hansen EF, Weinreich UM, Hilberg O, Sivapalan P. Management of COVID-19-Associated Acute Respiratory Failure with Alternatives to Invasive Mechanical Ventilation: High-Flow Oxygen, Continuous Positive Airway Pressure, and Noninvasive Ventilation. Diagnostics (Basel) 2021. [DOI: doi.org/10.3390/diagnostics11122259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Patients admitted to hospital with coronavirus disease 2019 (COVID-19) may develop acute respiratory failure (ARF) with compromised gas exchange. These patients require oxygen and possibly ventilatory support, which can be delivered via different devices. Initially, oxygen therapy will often be administered through a conventional binasal oxygen catheter or air-entrainment mask. However, when higher rates of oxygen flow are needed, patients are often stepped up to high-flow nasal cannula oxygen therapy (HFNC), continuous positive airway pressure (CPAP), bilevel positive airway pressure (BiPAP), or invasive mechanical ventilation (IMV). BiPAP, CPAP, and HFNC may be beneficial alternatives to IMV for COVID-19-associated ARF. Current evidence suggests that when nasal catheter oxygen therapy is insufficient for adequate oxygenation of patients with COVID-19-associated ARF, CPAP should be provided for prolonged periods. Subsequent escalation to IMV may be implemented if necessary.
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Bonnesen B, Jensen JUS, Jeschke KN, Mathioudakis AG, Corlateanu A, Hansen EF, Weinreich UM, Hilberg O, Sivapalan P. Management of COVID-19-Associated Acute Respiratory Failure with Alternatives to Invasive Mechanical Ventilation: High-Flow Oxygen, Continuous Positive Airway Pressure, and Noninvasive Ventilation. Diagnostics (Basel) 2021; 11:2259. [PMID: 34943496 PMCID: PMC8700515 DOI: 10.3390/diagnostics11122259] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 11/28/2021] [Accepted: 12/01/2021] [Indexed: 02/05/2023] Open
Abstract
Patients admitted to hospital with coronavirus disease 2019 (COVID-19) may develop acute respiratory failure (ARF) with compromised gas exchange. These patients require oxygen and possibly ventilatory support, which can be delivered via different devices. Initially, oxygen therapy will often be administered through a conventional binasal oxygen catheter or air-entrainment mask. However, when higher rates of oxygen flow are needed, patients are often stepped up to high-flow nasal cannula oxygen therapy (HFNC), continuous positive airway pressure (CPAP), bilevel positive airway pressure (BiPAP), or invasive mechanical ventilation (IMV). BiPAP, CPAP, and HFNC may be beneficial alternatives to IMV for COVID-19-associated ARF. Current evidence suggests that when nasal catheter oxygen therapy is insufficient for adequate oxygenation of patients with COVID-19-associated ARF, CPAP should be provided for prolonged periods. Subsequent escalation to IMV may be implemented if necessary.
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Affiliation(s)
- Barbara Bonnesen
- Department of Medicine, Section of Respiratory Medicine, Herlev and Gentofte Hospital, University of Copenhagen, 2200 Copenhagen, Denmark; (B.B.); (J.-U.S.J.)
| | - Jens-Ulrik Stæhr Jensen
- Department of Medicine, Section of Respiratory Medicine, Herlev and Gentofte Hospital, University of Copenhagen, 2200 Copenhagen, Denmark; (B.B.); (J.-U.S.J.)
- Department of Clinical Medicine, Faculty of Health Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Klaus Nielsen Jeschke
- Department of Respiratory Medicine, Copenhagen University Hospital-Hvidovre, 2650 Hvidovre, Denmark; (K.N.J.); (E.F.H.)
| | - Alexander G. Mathioudakis
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, The University of Manchester, Manchester Academic Health Science Centre, Manchester M23 9LT, UK;
- North West Lung Centre, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester M23 9LT, UK
| | - Alexandru Corlateanu
- Department of Respiratory Medicine, State University of Medicine and Pharmacy “Nicolae Testemitanu”, 2004 Chisinau, Moldova;
| | - Ejvind Frausing Hansen
- Department of Respiratory Medicine, Copenhagen University Hospital-Hvidovre, 2650 Hvidovre, Denmark; (K.N.J.); (E.F.H.)
| | - Ulla Møller Weinreich
- Department of Respiratory Medicine, Aalborg University Hospital, University of Aalborg, 9100 Aalborg, Denmark;
- The Clinical Institute, Aalborg University, 9220 Aalborg, Denmark
| | - Ole Hilberg
- Department of Medicine, Little Belt Hospital, 7100 Vejle, Denmark;
- Department of Regional Health Research, University of Southern Denmark, 5000 Odense, Denmark
| | - Pradeesh Sivapalan
- Department of Medicine, Section of Respiratory Medicine, Herlev and Gentofte Hospital, University of Copenhagen, 2200 Copenhagen, Denmark; (B.B.); (J.-U.S.J.)
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Mollerup A, Henriksen M, Larsen SC, Bennetzen AS, Simonsen MK, Kofod LM, Knudsen JD, Nielsen XC, Weis N, Heitmann BL. Effect of PEP flute self-care versus usual care in early covid-19: non-drug, open label, randomised controlled trial in a Danish community setting. BMJ 2021; 375:e066952. [PMID: 34819329 PMCID: PMC10476062 DOI: 10.1136/bmj-2021-066952] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/08/2021] [Indexed: 12/31/2022]
Abstract
OBJECTIVE To determine whether positive expiratory pressure (PEP) by PEP flute self-care is effective in reducing respiratory symptoms among community dwelling adults with SARS-CoV-2 infection and early stage covid-19. DESIGN Non-drug, open label, randomised controlled trial. SETTING Capital Region and Region Zealand in Denmark from 6 October 2020 to 26 February 2021. PARTICIPANTS Community dwelling adults, able to perform self-care, with a new SARS-CoV-2 infection (verified by reverse transcription polymerase chain reaction tests) and symptoms of covid-19. INTERVENTION Participants were randomised to use PEP flute self-care in addition to usual care or have usual care only. Randomisation was based on permuted random blocks in a 1:1 ratio, stratified for sex and age (<60 or ≥60 years). The PEP self-care group was instructed to use a PEP flute three times per day during the 30 day intervention. MAIN OUTCOME MEASURES Primary outcome was a change in symptom severity from baseline to day 30, as assessed by the self-reported COPD (chronic obstructive pulmonary disease) assessment test (CAT), which was adjusted for baseline values and stratification factors. Participants completed the CAT test questionnaire every day online. Secondary outcomes were self-reported urgent care visits due to covid-19, number of covid-19 related symptoms, and change in self-rated health, all within 30-days' follow-up. RESULTS 378 participants were assigned to the PEP flute self-care intervention (n=190) or usual care only (n=188). In the PEP self-care group, the median number of days with PEP flute use was 21 days (interquartile range 13-25). For the intention-to-treat population, a group difference was observed in changes from baseline in CAT scores of -1.2 points (95% confidence interval -2.1 to -0.2; P=0.017) in favour of the PEP flute self-care group. At day 30, the PEP flute self-care group also reported less chest tightness, less dyspnoea, more vigour, and higher level of daily activities, but these differences were small, and no consistent effects were seen on the secondary outcomes. No serious adverse events were reported. CONCLUSIONS In community dwelling adults with early covid-19, PEP flute self-care had a significant, yet marginal and uncertain clinical effect on respiratory symptom severity, as measured by CAT scores. TRIAL REGISTRATION ClinicalTrials.gov NCT04530435.
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Affiliation(s)
- Annette Mollerup
- Parker Institute, Copenhagen University Hospital Bispebjerg-Frederiksberg, Frederiksberg, Denmark
- University College Diakonissestiftelsen, Bachelor of Science in Nursing Programme, Danish Deaconess Community, Frederiksberg, Denmark
| | - Marius Henriksen
- Parker Institute, Copenhagen University Hospital Bispebjerg-Frederiksberg, Frederiksberg, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Sofus Christian Larsen
- Parker Institute, Copenhagen University Hospital Bispebjerg-Frederiksberg, Frederiksberg, Denmark
| | - Anita Selmer Bennetzen
- Parker Institute, Copenhagen University Hospital Bispebjerg-Frederiksberg, Frederiksberg, Denmark
| | - Mette Kildevæld Simonsen
- Parker Institute, Copenhagen University Hospital Bispebjerg-Frederiksberg, Frederiksberg, Denmark
- Department of Neurology, Copenhagen University Hospital Bispebjerg-Frederiksberg, Frederiksberg, Denmark
| | - Linette Marie Kofod
- Department of Physio- and Occupational Therapy and PMR-C, Copenhagen University Hospital-Hvidovre, Hvidovre, Denmark
| | - Jenny Dahl Knudsen
- Department of Clinical Microbiology, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
| | - Xiaohui Chen Nielsen
- Department of Clinical Microbiology, Zealand University Hospital, Slagelse, Denmark
| | - Nina Weis
- Department of Infectious Diseases, Copenhagen University Hospital-Hvidovre, Hvidovre, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Berit Lilienthal Heitmann
- Parker Institute, Copenhagen University Hospital Bispebjerg-Frederiksberg, Frederiksberg, Denmark
- Boden Institute of Obesity, Nutrition, Exercise & Eating Disorders, University of Sydney, Sydney, NSW, Australia
- Section for General Practice, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
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Akoumianaki E, Ischaki E, Karagiannis K, Sigala I, Zakyn-thinos S. The Role of Noninvasive Respiratory Management in Patients with Severe COVID-19 Pneumonia. J Pers Med 2021; 11:jpm11090884. [PMID: 34575661 PMCID: PMC8469068 DOI: 10.3390/jpm11090884] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 08/31/2021] [Indexed: 01/08/2023] Open
Abstract
Acute hypoxemic respiratory failure is the principal cause of hospitalization, invasive mechanical ventilation and death in severe COVID-19 infection. Nearly half of intubated patients with COVID-19 eventually die. High-Flow Nasal Oxygen (HFNO) and Noninvasive Ventilation (NIV) constitute valuable tools to avert endotracheal intubation in patients with severe COVID-19 pneumonia who do not respond to conventional oxygen treatment. Sparing Intensive Care Unit beds and reducing intubation-related complications may save lives in the pandemic era. The main drawback of HFNO and/or NIV is intubation delay. Cautious selection of patients with severe hypoxemia due to COVID-19 disease, close monitoring and appropriate employment and titration of HFNO and/or NIV can increase the rate of success and eliminate the risk of intubation delay. At the same time, all precautions to protect the healthcare personnel from viral transmission should be taken. In this review, we summarize the evidence supporting the application of HFNO and NIV in severe COVID-19 hypoxemic respiratory failure, analyse the risks associated with their use and provide a path for their proper implementation.
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Affiliation(s)
- Evangelia Akoumianaki
- Department of Intensive Care Unit, University Hospital of Heraklion, 71500 Crete, Greece
- Correspondence:
| | - Eleni Ischaki
- First Department of Intensive Care Medicine, National and Kapodistrian University of Athens Medical School, Evaggelismos General Hospital, 10676 Athens, Greece; (E.I.); (I.S.); (S.Z.-t.)
| | | | - Ioanna Sigala
- First Department of Intensive Care Medicine, National and Kapodistrian University of Athens Medical School, Evaggelismos General Hospital, 10676 Athens, Greece; (E.I.); (I.S.); (S.Z.-t.)
| | - Spyros Zakyn-thinos
- First Department of Intensive Care Medicine, National and Kapodistrian University of Athens Medical School, Evaggelismos General Hospital, 10676 Athens, Greece; (E.I.); (I.S.); (S.Z.-t.)
- School of Medicine, National and Kapodistrian University of Athens, 10676 Athens, Greece
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