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Westhoff M, Neumann P, Geiseler J, Bickenbach J, Arzt M, Bachmann M, Braune S, Delis S, Dellweg D, Dreher M, Dubb R, Fuchs H, Hämäläinen N, Heppner H, Kluge S, Kochanek M, Lepper PM, Meyer FJ, Neumann B, Putensen C, Schimandl D, Schönhofer B, Schreiter D, Walterspacher S, Windisch W. [Non-invasive Mechanical Ventilation in Acute Respiratory Failure. Clinical Practice Guidelines - on behalf of the German Society of Pneumology and Ventilatory Medicine]. Pneumologie 2024; 78:453-514. [PMID: 37832578 DOI: 10.1055/a-2148-3323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2023]
Abstract
The guideline update outlines the advantages as well as the limitations of NIV in the treatment of acute respiratory failure in daily clinical practice and in different indications.Non-invasive ventilation (NIV) has a high value in therapy of hypercapnic acute respiratory failure, as it significantly reduces the length of ICU stay and hospitalization as well as mortality.Patients with cardiopulmonary edema and acute respiratory failure should be treated with continuous positive airway pressure (CPAP) and oxygen in addition to necessary cardiological interventions. This should be done already prehospital and in the emergency department.In case of other forms of acute hypoxaemic respiratory failure with only mild or moderately disturbed gas exchange (PaO2/FiO2 > 150 mmHg) there is no significant advantage or disadvantage compared to high flow nasal oxygen (HFNO). In severe forms of ARDS NIV is associated with high rates of treatment failure and mortality, especially in cases with NIV-failure and delayed intubation.NIV should be used for preoxygenation before intubation. In patients at risk, NIV is recommended to reduce extubation failure. In the weaning process from invasive ventilation NIV essentially reduces the risk of reintubation in hypercapnic patients. NIV is regarded useful within palliative care for reduction of dyspnea and improving quality of life, but here in concurrence to HFNO, which is regarded as more comfortable. Meanwhile NIV is also recommended in prehospital setting, especially in hypercapnic respiratory failure and pulmonary edema.With appropriate monitoring in an intensive care unit NIV can also be successfully applied in pediatric patients with acute respiratory insufficiency.
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Affiliation(s)
- Michael Westhoff
- Klinik für Pneumologie, Lungenklinik Hemer - Zentrum für Pneumologie und Thoraxchirurgie, Hemer
| | - Peter Neumann
- Abteilung für Klinische Anästhesiologie und Operative Intensivmedizin, Evangelisches Krankenhaus Göttingen-Weende gGmbH
| | - Jens Geiseler
- Medizinische Klinik IV - Pneumologie, Beatmungs- und Schlafmedizin, Paracelsus-Klinik Marl, Marl
| | - Johannes Bickenbach
- Klinik für Operative Intensivmedizin und Intermediate Care, Uniklinik RWTH Aachen, Aachen
| | - Michael Arzt
- Schlafmedizinisches Zentrum der Klinik und Poliklinik für Innere Medizin II, Universitätsklinikum Regensburg, Regensburg
| | - Martin Bachmann
- Klinik für Atemwegs-, Lungen- und Thoraxmedizin, Beatmungszentrum Hamburg-Harburg, Asklepios Klinikum Harburg, Hamburg
| | - Stephan Braune
- IV. Medizinische Klinik: Akut-, Notfall- und Intensivmedizin, St. Franziskus-Hospital, Münster
| | - Sandra Delis
- Klinik für Pneumologie, Palliativmedizin und Geriatrie, Helios Klinikum Emil von Behring GmbH, Berlin
| | - Dominic Dellweg
- Klinik für Innere Medizin, Pneumologie und Gastroenterologie, Pius-Hospital Oldenburg, Universitätsmedizin Oldenburg
| | - Michael Dreher
- Klinik für Pneumologie und Internistische Intensivmedizin, Uniklinik RWTH Aachen
| | - Rolf Dubb
- Akademie der Kreiskliniken Reutlingen GmbH, Reutlingen
| | - Hans Fuchs
- Zentrum für Kinder- und Jugendmedizin, Neonatologie und pädiatrische Intensivmedizin, Universitätsklinikum Freiburg
| | | | - Hans Heppner
- Klinik für Geriatrie und Geriatrische Tagesklinik Klinikum Bayreuth, Medizincampus Oberfranken Friedrich-Alexander-Universität Erlangen-Nürnberg, Bayreuth
| | - Stefan Kluge
- Klinik für Intensivmedizin, Universitätsklinikum Hamburg-Eppendorf, Hamburg
| | - Matthias Kochanek
- Klinik I für Innere Medizin, Hämatologie und Onkologie, Universitätsklinikum Köln, Köln
| | - Philipp M Lepper
- Klinik für Innere Medizin V - Pneumologie, Allergologie und Intensivmedizin, Universitätsklinikum des Saarlandes und Medizinische Fakultät der Universität des Saarlandes, Homburg
| | - F Joachim Meyer
- Lungenzentrum München - Bogenhausen-Harlaching) München Klinik gGmbH, München
| | - Bernhard Neumann
- Klinik für Neurologie, Donauisar Klinikum Deggendorf, und Klinik für Neurologie der Universitätsklinik Regensburg am BKH Regensburg, Regensburg
| | - Christian Putensen
- Klinik und Poliklinik für Anästhesiologie und Operative Intensivmedizin, Universitätsklinikum Bonn, Bonn
| | - Dorit Schimandl
- Klinik für Pneumologie, Beatmungszentrum, Zentralklinik Bad Berka GmbH, Bad Berka
| | - Bernd Schönhofer
- Klinik für Innere Medizin, Pneumologie und Intensivmedizin, Evangelisches Klinikum Bethel, Universitätsklinikum Ost Westphalen-Lippe, Bielefeld
| | | | - Stephan Walterspacher
- Medizinische Klinik - Sektion Pneumologie, Klinikum Konstanz und Lehrstuhl für Pneumologie, Universität Witten-Herdecke, Witten
| | - Wolfram Windisch
- Lungenklinik, Kliniken der Stadt Köln gGmbH, Lehrstuhl für Pneumologie Universität Witten/Herdecke, Köln
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Gudelli M, K S, Kalathil PT, Pimple O, Shahid A, Chandradas N, Sharma P, Mallu GR. Effectiveness and Outcomes of Noninvasive Positive Pressure Ventilation in Patients With Acute Exacerbations of Chronic Obstructive Pulmonary Disease. Cureus 2024; 16:e62746. [PMID: 39036269 PMCID: PMC11259907 DOI: 10.7759/cureus.62746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/20/2024] [Indexed: 07/23/2024] Open
Abstract
BACKGROUND Endotracheal intubation and mechanical ventilation in individuals experiencing acute exacerbations of chronic obstructive pulmonary disease (COPD) are associated with several complications. Therefore, utilizing noninvasive positive pressure ventilation (NIPPV) is the suggested initial management for these individuals. The current study was done to assess and compare the clinical and physiological parameters before and after the application of NIPPV and also to evaluate the outcomes of NIPPV. METHODOLOGY A prospective observational study was conducted on 50 patients with COPD experiencing acute exacerbations. These patients were treated with NIPPV. Measurements of blood pressure, respiratory rate (RR), heart rate (HR), dyspnea using the modified Borg scale, and arterial blood gas (ABG) parameters (pH, PaCO2, and PaO2) were recorded at baseline, one hour, six hours, 24 hours, and daily until discharge. The study's outcomes included the subjects who successfully underwent NIPPV and failed during NIPPV. RESULTS NIPPV effectively reduced the dyspnea score from 7.24 ± 1.58 at baseline to 5.53 ± 1.82 at one hour, 4.11 ± 1.75 at six hours, 2.60 ± 1.03 at 24 hours, and 1.26 ± 0.44 at the time of discharge. Significant improvements were also observed in HR and RR (P < 0.001). When compared to the baseline, the pH level was significantly maintained, PaCO2 was decreased, and PaO2 was increased at various times. Mortality was observed in four patients. CONCLUSIONS NIPPV was successful in 42 (84%) patients, with improvements in ABG and pH for early recovery and reduced hospital stay.
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Affiliation(s)
- Mahesh Gudelli
- Department of Pulmonary Medicine, Krishna Institute of Medical Sciences (KIMS) Hospitals, Secunderabad, IND
| | - Swetha K
- Department of General Medicine, Government Medical College, Mahabubnagar, IND
| | | | - Omkar Pimple
- Department of General Medicine, Krishna Institute of Medical Sciences (KIMS), Karad, IND
| | - Afreen Shahid
- Department of General Medicine, Dr. B. R. Ambedkar Medical College, Bangalore, IND
| | - Nycy Chandradas
- Department of General Medicine, Rajarajeshwari Medical College and Hospital, Bangalore, IND
| | - Prerit Sharma
- Department of General Medicine, University College of Medical Sciences, New Delhi, IND
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Carrillo-Aleman L, Agamez-Luengas AA, Guia M, Renedo-Villarroya A, Alonso-Fernández N, Lopez-Gomez L, Bayoumy-Delis P, Sanchez-Nieto JM, Pascual-Figal D, Carrillo-Alcaraz A. Effectiveness and safety of non-invasive ventilation in the management of cardiogenic shock. Rev Port Cardiol 2024; 43:259-273. [PMID: 37949366 DOI: 10.1016/j.repc.2023.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 07/11/2023] [Accepted: 08/14/2023] [Indexed: 11/12/2023] Open
Abstract
INTRODUCTION AND OBJECTIVES Cardiogenic shock (CS) has long been considered a contraindication for the use of non-invasive ventilation (NIV). The main objective of this study was to analyze the effectiveness, measured as NIV success, in patients with respiratory failure due to CS. As secondary objective, we studied risk factors for NIV failure and compared the outcome of patients treated with NIV versus invasive mechanical ventilation (IMV). METHODS Retrospective study on a prospective database, over a period of 25 years, of all consecutively patients admitted to an intensive care unit, with a diagnosis of CS and treated with NIV. A comparison was made between patients on NIV and patients on IMV using propensity score matching analysis. RESULTS Three hundred patients were included, mean age 73.8 years, mean SAPS II 49. The main cause of CS was acute myocardial infarction (AMI): 164 (54.7%). NIV failure occurred in 153 (51%) cases. Independent factors for NIV failure included D/E stages of CS, AMI, NIV related complications, and being transferred from the ward. In the propensity analysis, hospital mortality (OR 1.69, 95% CI 1.09-2.63) and 1 year mortality (OR 1.61, 95% CI 1.04-2.51) was higher in IMV. Mortality was lower with NIV (vs. EIT-IMV) in C stage (10.1% vs. 32.9%; p<0.001) but did not differ in D stage or E stage. CONCLUSIONS NIV seems to be relatively effective and safe in the treatment of early-stage CS.
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Affiliation(s)
| | | | - Miguel Guia
- Sleep and Non-invasive Ventilation Unit, Thorax Department, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal; ISAMB, Instituto de Saúde Ambiental da Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal.
| | | | | | | | | | | | - Domingo Pascual-Figal
- Cardiology Department, Virgen de la Arrixaca Hospital, Ctra. Madrid-Cartagena, Murcia, Spain
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Salahuddin M, Shahid S, Tariq U, Aqeel M, Arif AU, Aslam M, Sattar S. Outcomes of patients with elevated pulmonary artery systolic pressure on echocardiography due to chronic lung diseases. Respir Investig 2024; 62:69-74. [PMID: 37952288 DOI: 10.1016/j.resinv.2023.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 09/27/2023] [Accepted: 10/03/2023] [Indexed: 11/14/2023]
Abstract
BACKGROUND Pulmonary hypertension is associated with increased mortality, and lung diseases are the second most common cause of pulmonary hypertension. We aimed to evaluate the prognostic value of echocardiography in low-middle income countries where right heart catheterization is difficult to perform. METHODS This retrospective chart review study included adult patients hospitalized from June 2012 to May 2021, with a pulmonary artery systolic pressure (PASP) of ≥35 mmHg on echocardiography. The control arm consisted of patients with similar lung diseases who did not have an elevated PASP. RESULTS The study and control arm consisted of 128 patients each, with both groups having similar lung diseases. Obesity hypoventilation syndrome was the most common etiology of elevated PASP (28.1 %), followed by pulmonary embolism (20.3 %). The overall 1-year mortality of the study cohort, after diagnosis of elevated PASP, was 20.3 %. The control cohort with normal PASP had a 1-year mortality of 4.7 %. In the study cohort, patients with bronchiectasis had the highest cause-specific 1-year mortality (45.5 %). In the normal PASP cohort, the highest cause-specific 1-year mortality was observed in patients with interstitial lung disease (13.0 %). One-year hospital readmission was observed in 46.9 % and 33.6 % of patients in the study and control arms, respectively. On multivariate analysis, increased odds of 1-year mortality were observed in patients with elevated PASP, patients with 1-year hospital readmission, and in patients with interstitial lung disease or bronchiectasis. CONCLUSION Elevated PASP on echocardiography may be a prognostic factor for mortality in patients with chronic lung diseases.
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Affiliation(s)
- Moiz Salahuddin
- Department of Medicine, Aga Khan University, Karachi, Pakistan.
| | - Shayan Shahid
- Department of Medicine, Aga Khan University, Karachi, Pakistan
| | - Umar Tariq
- Department of Medicine, Aga Khan University, Karachi, Pakistan
| | - Masooma Aqeel
- Department of Medicine, Aga Khan University, Karachi, Pakistan
| | - Ali Usman Arif
- Department of Medicine, Aga Khan University, Karachi, Pakistan
| | - Mehwish Aslam
- Department of Medicine, Aga Khan University, Karachi, Pakistan
| | - Saadia Sattar
- Department of Medicine, Aga Khan University, Karachi, Pakistan
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Prudhomme T, Bento L, Frontczak A, Timsit MO, Boissier R. Effect of Recipient Body Mass Index on Kidney Transplantation Outcomes: A Systematic Review and Meta-analysis by the Transplant Committee from the French Association of Urology. Eur Urol Focus 2023:S2405-4569(23)00246-8. [PMID: 37993345 DOI: 10.1016/j.euf.2023.11.003] [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: 09/04/2023] [Revised: 10/16/2023] [Accepted: 11/08/2023] [Indexed: 11/24/2023]
Abstract
CONTEXT The impact of recipient obesity on kidney transplantation (KT) outcomes remains unclear. OBJECTIVE The aim of this study was to perform a systematic review and meta-analysis to appraise all available evidence on the outcomes of KT in obese patients (body mass index [BMI] ≥30 kg/m2) versus nonobese patients (BMI <30 kg/m2). EVIDENCE ACQUISITION A systematic review and meta-analysis was performed. Search was conducted in the MEDLINE OvidSP, Web of Science, Google Scholar, Embase, and Cochrane databases to identify all studies reporting the outcomes of KT in obese versus nonobese recipients. EVIDENCE SYNTHESIS Fifty-two articles met the inclusion criteria. Delayed graft function and surgical complications were significantly higher in obese recipients (delayed graft function: relative risk [RR]: 1.44, 95% confidence interval [CI]: 1.32-1.57, p < 0.01; surgical complications: RR: 1.74, 95% CI: 1.36-2.22, p < 0.0001). Five-year patient survival (RR: 0.96, 95% CI: 0.92-1.00, p = 0.01), 10-yr patient survival (RR: 0.90, 95% CI: 0.84-0.97, p = 0.006), and 10-yr graft survival (RR: 0.87, 95% CI: 0.79-0.96, p = 0.01) were significantly inferior in the obese group. CONCLUSIONS KT in obese recipients was associated with lower patient and graft survival, and higher delayed graft function, acute rejection, and medical and surgical complications than nonobese recipients. In the current situation of organ shortage and increasing prevalence of obesity, ways to optimize KT in this setting should be investigated. PATIENT SUMMARY Compared with nonobese population, kidney transplantation in obese recipients has inferior patient and graft survival, and higher medical and surgical complications.
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Affiliation(s)
- Thomas Prudhomme
- Department of Urology, Kidney Transplantation and Andrology, Toulouse University Hospital, Toulouse, France.
| | - Lucas Bento
- Department of Urology, Kidney Transplantation and Andrology, Toulouse University Hospital, Toulouse, France
| | - Alexandre Frontczak
- Department of Urology and Kidney Transplantation, Besançon University Hospital, Besançon, France
| | - Marc-Olivier Timsit
- Department of Urology, Hôpital Européen Georges Pompidou, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Romain Boissier
- Department of Urology and Kidney Transplantation, Conception University Hospital, Aix-Marseille University, Marseille, France
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Krishnan A, Ellis P, Antoine-Pitterson P, Oakes A, Jones B, Turner A, Mukherjee R. Long-Term Mortality following Acute Noninvasive Ventilation for Obesity-Related Respiratory Failure: A Retrospective Single-Centre Study. Can Respir J 2023; 2023:5370197. [PMID: 37868785 PMCID: PMC10586910 DOI: 10.1155/2023/5370197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 08/25/2023] [Accepted: 10/05/2023] [Indexed: 10/24/2023] Open
Abstract
Introduction Determinants of long-term mortality following acute hypercapnic respiratory failure have been extensively studied in patients with chronic obstructive pulmonary disease. However, respiratory failure due to obesity has not been studied to the same extent. This retrospective survey aims to identify whether admission pH is associated with long-term mortality in patients requiring acute noninvasive ventilation (NIV) for obesity-related respiratory failure (ORRF). Methods Records from April 2013 to March 2020 were accessed from a NIV quality database at an acute teaching hospital. Adults with hypercapnic ORRF requiring acute NIV were included. pH data were grouped by threshold (pH≤ and >7.25) and correlated with time from presentation to death; multivariable analysis was performed using Cox proportional hazards. Results A total of 277 acute NIV episodes were included. Two-year mortality was similar for patients in both pH categories. Univariable analysis identified pH ≤ 7.25 to increase risk of two-year mortality by 43%. However, multivariable analysis identified that pH was not a significant determinant of long-term mortality, although male sex, older age, and higher admission pCO2 increased the risk of death at two years by 76%, 3% per year of age, and 16% per 1 kPa of pCO2 increase, respectively. Conclusion Severity of hypercapnia on admission, male sex, and older age are associated with worse two-year mortality in patients requiring acute NIV for ORRF. There is scope for further analyses including investigating the role of domiciliary NIV in ORRF patients.
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Affiliation(s)
- Aditya Krishnan
- Institute of Applied Health Research, University of Birmingham, Birmingham, ENG, UK
| | - Paul Ellis
- Institute of Applied Health Research, University of Birmingham, Birmingham, ENG, UK
| | - Pearlene Antoine-Pitterson
- Department of Respiratory Medicine, Heartlands Hospital (Part of University Hospitals Birmingham), Birmingham, ENG, UK
| | - Amy Oakes
- Department of Respiratory Medicine, Heartlands Hospital (Part of University Hospitals Birmingham), Birmingham, ENG, UK
| | - Bethany Jones
- Department of Respiratory Medicine, Heartlands Hospital (Part of University Hospitals Birmingham), Birmingham, ENG, UK
| | - Alice Turner
- Institute of Applied Health Research, University of Birmingham, Birmingham, ENG, UK
- Department of Respiratory Medicine, Heartlands Hospital (Part of University Hospitals Birmingham), Birmingham, ENG, UK
| | - Rahul Mukherjee
- Department of Respiratory Medicine, Heartlands Hospital (Part of University Hospitals Birmingham), Birmingham, ENG, UK
- Institute of Clinical Sciences, University of Birmingham, Birmingham, ENG, UK
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Santus P, Radovanovic D, Saad M, Zilianti C, Coppola S, Chiumello DA, Pecchiari M. Acute dyspnea in the emergency department: a clinical review. Intern Emerg Med 2023; 18:1491-1507. [PMID: 37266791 PMCID: PMC10235852 DOI: 10.1007/s11739-023-03322-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 05/22/2023] [Indexed: 06/03/2023]
Abstract
Acute dyspnea represents one of the most frequent symptoms leading to emergency room evaluation. Its significant prognostic value warrants a careful evaluation. The differential diagnosis of dyspnea is complex due to the lack of specificity and the loose association between its intensity and the severity of the underlying pathological condition. The initial assessment of dyspnea calls for prompt diagnostic evaluation and identification of optimal monitoring strategy and provides information useful to allocate the patient to the most appropriate setting of care. In recent years, accumulating evidence indicated that lung ultrasound, along with echocardiography, represents the first rapid and non-invasive line of assessment that accurately differentiates heart, lung or extra-pulmonary involvement in patients with dyspnea. Moreover, non-invasive respiratory support modalities such as high-flow nasal oxygen and continuous positive airway pressure have aroused major clinical interest, in light of their efficacy and practicality to treat patients with dyspnea requiring ventilatory support, without using invasive mechanical ventilation. This clinical review is focused on the pathophysiology of acute dyspnea, on its clinical presentation and evaluation, including ultrasound-based diagnostic workup, and on available non-invasive modalities of respiratory support that may be required in patients with acute dyspnea secondary or associated with respiratory failure.
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Affiliation(s)
- Pierachille Santus
- Division of Respiratory Diseases, Ospedale Luigi Sacco, Polo Universitario, ASST Fatebenefratelli-Sacco, Via G.B. Grassi 74, 20157, Milan, Italy.
- Department of Biomedical and Clinical Sciences (DIBIC), Università Degli Studi Di Milano, Milan, Italy.
| | - Dejan Radovanovic
- Division of Respiratory Diseases, Ospedale Luigi Sacco, Polo Universitario, ASST Fatebenefratelli-Sacco, Via G.B. Grassi 74, 20157, Milan, Italy
- Department of Biomedical and Clinical Sciences (DIBIC), Università Degli Studi Di Milano, Milan, Italy
| | - Marina Saad
- Division of Respiratory Diseases, Ospedale Luigi Sacco, Polo Universitario, ASST Fatebenefratelli-Sacco, Via G.B. Grassi 74, 20157, Milan, Italy
| | - Camilla Zilianti
- Department of Pathophysiology and Transplantation, Università Degli Studi Di Milano, Milan, Italy
| | - Silvia Coppola
- Department of Anesthesia and Intensive Care, ASST Santi Paolo E Carlo, Ospedale Universitario San Paolo, Milan, Italy
| | - Davide Alberto Chiumello
- Department of Anesthesia and Intensive Care, ASST Santi Paolo E Carlo, Ospedale Universitario San Paolo, Milan, Italy
- Department of Health Sciences, Università Degli Studi Di Milano, Milan, Italy
- Coordinated Research Center On Respiratory Failure, Università Degli Studi Di Milano, Milan, Italy
| | - Matteo Pecchiari
- Department of Pathophysiology and Transplantation, Università Degli Studi Di Milano, Milan, Italy
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8
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Chang JL, Goldberg AN, Alt JA, Alzoubaidi M, Ashbrook L, Auckley D, Ayappa I, Bakhtiar H, Barrera JE, Bartley BL, Billings ME, Boon MS, Bosschieter P, Braverman I, Brodie K, Cabrera-Muffly C, Caesar R, Cahali MB, Cai Y, Cao M, Capasso R, Caples SM, Chahine LM, Chang CP, Chang KW, Chaudhary N, Cheong CSJ, Chowdhuri S, Cistulli PA, Claman D, Collen J, Coughlin KC, Creamer J, Davis EM, Dupuy-McCauley KL, Durr ML, Dutt M, Ali ME, Elkassabany NM, Epstein LJ, Fiala JA, Freedman N, Gill K, Boyd Gillespie M, Golisch L, Gooneratne N, Gottlieb DJ, Green KK, Gulati A, Gurubhagavatula I, Hayward N, Hoff PT, Hoffmann OM, Holfinger SJ, Hsia J, Huntley C, Huoh KC, Huyett P, Inala S, Ishman SL, Jella TK, Jobanputra AM, Johnson AP, Junna MR, Kado JT, Kaffenberger TM, Kapur VK, Kezirian EJ, Khan M, Kirsch DB, Kominsky A, Kryger M, Krystal AD, Kushida CA, Kuzniar TJ, Lam DJ, Lettieri CJ, Lim DC, Lin HC, Liu SY, MacKay SG, Magalang UJ, Malhotra A, Mansukhani MP, Maurer JT, May AM, Mitchell RB, Mokhlesi B, Mullins AE, Nada EM, Naik S, Nokes B, Olson MD, Pack AI, Pang EB, Pang KP, Patil SP, Van de Perck E, Piccirillo JF, Pien GW, Piper AJ, Plawecki A, Quigg M, Ravesloot MJ, Redline S, Rotenberg BW, Ryden A, Sarmiento KF, Sbeih F, Schell AE, Schmickl CN, Schotland HM, Schwab RJ, Seo J, Shah N, Shelgikar AV, Shochat I, Soose RJ, Steele TO, Stephens E, Stepnowsky C, Strohl KP, Sutherland K, Suurna MV, Thaler E, Thapa S, Vanderveken OM, de Vries N, Weaver EM, Weir ID, Wolfe LF, Tucker Woodson B, Won CH, Xu J, Yalamanchi P, Yaremchuk K, Yeghiazarians Y, Yu JL, Zeidler M, Rosen IM. International Consensus Statement on Obstructive Sleep Apnea. Int Forum Allergy Rhinol 2023; 13:1061-1482. [PMID: 36068685 PMCID: PMC10359192 DOI: 10.1002/alr.23079] [Citation(s) in RCA: 62] [Impact Index Per Article: 62.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 08/12/2022] [Accepted: 08/18/2022] [Indexed: 11/08/2022]
Abstract
BACKGROUND Evaluation and interpretation of the literature on obstructive sleep apnea (OSA) allows for consolidation and determination of the key factors important for clinical management of the adult OSA patient. Toward this goal, an international collaborative of multidisciplinary experts in sleep apnea evaluation and treatment have produced the International Consensus statement on Obstructive Sleep Apnea (ICS:OSA). METHODS Using previously defined methodology, focal topics in OSA were assigned as literature review (LR), evidence-based review (EBR), or evidence-based review with recommendations (EBR-R) formats. Each topic incorporated the available and relevant evidence which was summarized and graded on study quality. Each topic and section underwent iterative review and the ICS:OSA was created and reviewed by all authors for consensus. RESULTS The ICS:OSA addresses OSA syndrome definitions, pathophysiology, epidemiology, risk factors for disease, screening methods, diagnostic testing types, multiple treatment modalities, and effects of OSA treatment on multiple OSA-associated comorbidities. Specific focus on outcomes with positive airway pressure (PAP) and surgical treatments were evaluated. CONCLUSION This review of the literature consolidates the available knowledge and identifies the limitations of the current evidence on OSA. This effort aims to create a resource for OSA evidence-based practice and identify future research needs. Knowledge gaps and research opportunities include improving the metrics of OSA disease, determining the optimal OSA screening paradigms, developing strategies for PAP adherence and longitudinal care, enhancing selection of PAP alternatives and surgery, understanding health risk outcomes, and translating evidence into individualized approaches to therapy.
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Affiliation(s)
- Jolie L. Chang
- University of California, San Francisco, California, USA
| | | | | | | | - Liza Ashbrook
- University of California, San Francisco, California, USA
| | | | - Indu Ayappa
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | | | | | - Maurits S. Boon
- Sidney Kimmel Medical Center at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Pien Bosschieter
- Academic Centre for Dentistry Amsterdam, Amsterdam, The Netherlands
| | - Itzhak Braverman
- Hillel Yaffe Medical Center, Hadera Technion, Faculty of Medicine, Hadera, Israel
| | - Kara Brodie
- University of California, San Francisco, California, USA
| | | | - Ray Caesar
- Stone Oak Orthodontics, San Antonio, Texas, USA
| | | | - Yi Cai
- University of California, San Francisco, California, USA
| | | | | | | | | | | | | | | | | | - Susmita Chowdhuri
- Wayne State University and John D. Dingell VA Medical Center, Detroit, Michigan, USA
| | - Peter A. Cistulli
- Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - David Claman
- University of California, San Francisco, California, USA
| | - Jacob Collen
- Uniformed Services University, Bethesda, Maryland, USA
| | | | | | - Eric M. Davis
- University of Virginia, Charlottesville, Virginia, USA
| | | | | | - Mohan Dutt
- University of Michigan, Ann Arbor, Michigan, USA
| | - Mazen El Ali
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | | | | | | | - Kirat Gill
- Stanford University, Palo Alto, California, USA
| | | | - Lea Golisch
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | | | | | | | - Arushi Gulati
- University of California, San Francisco, California, USA
| | | | | | - Paul T. Hoff
- University of Michigan, Ann Arbor, Michigan, USA
| | - Oliver M.G. Hoffmann
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | | | - Jennifer Hsia
- University of Minnesota, Minneapolis, Minnesota, USA
| | - Colin Huntley
- Sidney Kimmel Medical Center at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | | | | | - Sanjana Inala
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | | | | | | | | | | | | | | | - Meena Khan
- Ohio State University, Columbus, Ohio, USA
| | | | - Alan Kominsky
- Cleveland Clinic Head and Neck Institute, Cleveland, Ohio, USA
| | - Meir Kryger
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | | | | | - Derek J. Lam
- Oregon Health and Science University, Portland, Oregon, USA
| | | | | | | | | | | | | | - Atul Malhotra
- University of California, San Diego, California, USA
| | | | - Joachim T. Maurer
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | - Anna M. May
- Case Western Reserve University, Cleveland, Ohio, USA
| | - Ron B. Mitchell
- University of Texas, Southwestern and Children’s Medical Center Dallas, Texas, USA
| | | | | | | | | | - Brandon Nokes
- University of California, San Diego, California, USA
| | | | - Allan I. Pack
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | | | | | | | | | | | | | | | - Mark Quigg
- University of Virginia, Charlottesville, Virginia, USA
| | | | - Susan Redline
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | | | - Armand Ryden
- Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, California, USA
| | | | - Firas Sbeih
- Cleveland Clinic Head and Neck Institute, Cleveland, Ohio, USA
| | | | | | | | | | - Jiyeon Seo
- University of California, Los Angeles, California, USA
| | - Neomi Shah
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | - Ryan J. Soose
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | - Erika Stephens
- University of California, San Francisco, California, USA
| | | | | | | | | | - Erica Thaler
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Sritika Thapa
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | - Nico de Vries
- Academic Centre for Dentistry Amsterdam, Amsterdam, The Netherlands
| | | | - Ian D. Weir
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | | | | | - Josie Xu
- University of Toronto, Ontario, Canada
| | | | | | | | | | | | - Ilene M. Rosen
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
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9
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Brochard LJ. Mechanical Ventilation: Negative to Positive and Back Again. Crit Care Clin 2023; 39:437-449. [PMID: 37230549 DOI: 10.1016/j.ccc.2022.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Critical care and mechanical ventilation have a relatively brief history in medicine. Premises existed through the seventeenth to nineteenth centuries but modern mechanical ventilation started in the twentieth century. Noninvasive ventilation techniques had started both in the intensive care unit and for home ventilation at the end of the 1980s and the 1990s. The need for mechanical ventilation is increasingly influenced worldwide by the spread of respiratory viruses, and the last coronavirus disease 2019 pandemic has seen a massive successful use of noninvasive ventilation.
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Affiliation(s)
- Laurent J Brochard
- Keenan Research Centre, St Michael's Hospital, Unity Health Toronto, 209 Victoria Street, Room 4-08, Toronto, Ontario M5B 1T8, Canada; Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada.
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10
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Nakamura S, Kawagishi Y, Kikushima A, Muto A, Suda Y, Gohara K, Takeda S. Acute hypercapnic respiratory failure in patients with obesity hypoventilation syndrome during the COVID-19 pandemic: Four case reports. Respirol Case Rep 2023; 11:e01151. [PMID: 37090910 PMCID: PMC10116399 DOI: 10.1002/rcr2.1151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 04/10/2023] [Indexed: 04/25/2023] Open
Abstract
Obesity hypoventilation syndrome (OHS) can cause acute hypercapnic respiratory failure (AHRF). The onset of AHRF in four patients with OHS during the coronavirus disease 2019 (COVID-19) pandemic is reported in this study. Two men (23 and 45 years old) and two women (both 77 years old) presented to our hospital with AHRF. In the two elderly women, a prolonged supine position due to falls seemed to be the cause of AHRF. Treatment was started with bilevel positive airway pressure for all patients. While one patient died, the condition of the other three improved; they were discharged with continuous positive airway pressure. AHRF due to OHS was rarely reported in the rural region of Japan. It is suggested that increased rates of obesity due to lifestyle changes during the COVID-19 pandemic may be responsible for an increase in the prevalence of OHS-associated AHRF.
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Affiliation(s)
- Sato Nakamura
- Department of Respiratory MedicineKurobe City HospitalKurobeJapan
| | - Yukio Kawagishi
- Department of Respiratory MedicineKurobe City HospitalKurobeJapan
| | | | - Atsushi Muto
- Department of Respiratory MedicineKurobe City HospitalKurobeJapan
| | - Yoshifumi Suda
- Department of Respiratory MedicineKurobe City HospitalKurobeJapan
| | - Kazuki Gohara
- Department of Respiratory MedicineKurobe City HospitalKurobeJapan
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11
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Syndrome d’apnées du sommeil 1999–2022 : des essais randomisés aux études de cohorte. BULLETIN DE L'ACADÉMIE NATIONALE DE MÉDECINE 2023. [DOI: 10.1016/j.banm.2022.10.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
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12
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A randomized controlled trial comparing non-invasive ventilation delivered using neurally adjusted ventilator assist (NAVA) or adaptive support ventilation (ASV) in patients with acute exacerbation of chronic obstructive pulmonary disease. J Crit Care 2023; 75:154250. [PMID: 36680884 DOI: 10.1016/j.jcrc.2022.154250] [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: 07/30/2022] [Revised: 11/17/2022] [Accepted: 12/27/2022] [Indexed: 01/21/2023]
Abstract
PURPOSE No study has compared neurally adjusted ventilator assist (NAVA) with adaptive support ventilation (ASV) during non-invasive ventilation (NIV) in subjects with acute exacerbation of chronic obstructive pulmonary disease (AECOPD). MATERIALS AND METHODS In this randomized controlled trial, we compared NAVA-NIV with ASV-NIV for delivering NIV in consecutive subjects with AECOPD. The primary outcome was NIV failure rate (invasive mechanical ventilation). The key secondary outcomes were number of NIV manipulations, asynchrony index, and 90-day mortality. RESULTS We enrolled 76 subjects (NAVA-NIV, n = 36, ASV-NIV, n = 40; 74% males) with a mean ± SD age of 61.4 ± 8.2 years. We found no difference in NIV failure rates between the two arms (NAVA-NIV vs. ASV-NIV; 8/36 [22.2%] vs. 8/40 [20%]; p = 0.83). The median physician manipulations for NIV were significantly less in the ASV-NIV arm than in the NAVA-NIV arm (2 [0.8-4] vs. 3 [2-5]; p= 0.014) during the initial 24-h. We found no difference in median asynchrony index (NAVA-NIV vs. ASV-NIV, 16.6% vs. 16.4%, p = 0.5) and 90-day mortality (22.2% vs. 17.5%, p = 0.67). CONCLUSION The use of NAVA-NIV was not superior to ASV-NIV in reducing NIV failure rates in AECOPD. Both NAVA-NIV and ASV-NIV had similar asynchrony index and 90-day mortality. TRIAL REGISTRY www. CLINICALTRIALS gov (NCT04414891).
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Jarrar F, Tennankore KK, Vinson AJ. Combined Donor-Recipient Obesity and the Risk of Graft Loss After Kidney Transplantation. Transpl Int 2022; 35:10656. [PMID: 36247488 PMCID: PMC9556700 DOI: 10.3389/ti.2022.10656] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 09/12/2022] [Indexed: 11/13/2022]
Abstract
Background: As the prevalence of obesity increases globally, appreciating the effect of donor and recipient (DR) obesity on graft outcomes is of increasing importance. Methods: In a cohort of adult, kidney transplant recipients (2000-2017) identified using the SRTR, we used Cox proportional hazards models to examine the association between DR obesity pairing (body mass index (BMI) >30 kg/m2), and death-censored graft loss (DCGL) or all-cause graft loss, and logistic regression to examine risk of delayed graft function (DGF) and ≤30 days graft loss. We also explored the association of DR weight mismatch (>30 kg, 10-30 kg (D>R; D
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Affiliation(s)
- Faisal Jarrar
- Faculty of Medicine, Dalhousie University, Halifax, NS, Canada
| | - Karthik K. Tennankore
- Faculty of Medicine, Dalhousie University, Halifax, NS, Canada
- Division of Nephrology, Department of Medicine, Nova Scotia Health Authority, Halifax, NS, Canada
| | - Amanda J. Vinson
- Faculty of Medicine, Dalhousie University, Halifax, NS, Canada
- Division of Nephrology, Department of Medicine, Nova Scotia Health Authority, Halifax, NS, Canada
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14
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Mashaqi S, Laubitz D, Morales EJD, De Armond R, Alameddin H, Ghishan FK, Kiela PR, Parthasarathy S. Interactive Effect of Combined Intermittent and Sustained Hypoxia and High-Fat Diet on the Colonic Mucosal Microbiome and Host Gene Expression in Mice. Nat Sci Sleep 2022; 14:1623-1639. [PMID: 36111259 PMCID: PMC9470383 DOI: 10.2147/nss.s370957] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 09/05/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose Gut dysbiosis can cause cardiometabolic disease. Gut dysbiosis can be independently caused by high-fat diet (HFD) and intermittent hypoxia (IH; characterizing obstructive sleep apnea), but the interactive effect of combined intermittent and sustained hypoxia (IH+SH) (characterizing obesity hypoventilation syndrome) and HFD on gut dysbiosis is unclear. We aimed to investigate the interactive effect of a combination of IH and SH and HFD on proximal colonic microbiota and colonic gene expression pattern. Methods Male mice (n=16) were randomly received four different combinations of diet (normal versus HFD) and oxygen conditions (normoxia versus IH+SH) for 4 weeks. Bacterial DNA and mucosal epithelial cell RNA from proximal colon were collected for analysis of adherent microbiome and host's gene expression analysis. Results HFD during IH+SH (22.6 ± 5.73; SD) led to greater Firmicutes: Bacteroidetes ratio than HFD during normoxia (5.89 ± 1.19; p=0.029). HFD significantly decreased microbial diversity as compared to normal diet, but the addition of IH+SH to HFD mildly reversed such effects. When compared to HFD during normoxia, HFD with combination of IH+SH resulted in changes to host mucosal gene expression for apical junctional complexes and adhesion molecules. Specifically, when compared to HFD during normoxia, HFD during IH+SH led to upregulation of Claudin 2 and Syk (tight junction dysfunction and increased mucosal permeability), while the barrier promoting claudin 4 was downregulated. Conclusion HFD during combined IH and SH causes greater gut dysbiosis and potentially adverse changes in colonic epithelial transcriptome than HFD during normoxia. The latter changes are suggestive of impaired gut barrier function.
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Affiliation(s)
- Saif Mashaqi
- Department of Pulmonary, Allergy, Critical Care, and Sleep, University of Arizona College of Medicine, Tucson, AZ, USA
- University of Arizona Health Sciences Center for Sleep & Circadian Sciences, University of Arizona College of Medicine, Tucson, AZ, USA
| | - Daniel Laubitz
- Department of Pediatrics, Steele Children’s Research Center, University of Arizona College of Medicine, Tucson, AZ, USA
| | - Efreim Joseph D Morales
- Department of Pediatrics, Steele Children’s Research Center, University of Arizona College of Medicine, Tucson, AZ, USA
| | - Richard De Armond
- Department of Pulmonary, Allergy, Critical Care, and Sleep, University of Arizona College of Medicine, Tucson, AZ, USA
- University of Arizona Health Sciences Center for Sleep & Circadian Sciences, University of Arizona College of Medicine, Tucson, AZ, USA
| | - Hanan Alameddin
- The University of Arizona College of Pharmacy, Tucson, AZ, USA
| | - Fayez K Ghishan
- Department of Pediatrics, Steele Children’s Research Center, University of Arizona College of Medicine, Tucson, AZ, USA
| | - Pawel R Kiela
- Department of Pediatrics, Steele Children’s Research Center, University of Arizona College of Medicine, Tucson, AZ, USA
- Department of Immunobiology, University of Arizona College of Medicine, Tucson, AZ, USA
| | - Sairam Parthasarathy
- Department of Pulmonary, Allergy, Critical Care, and Sleep, University of Arizona College of Medicine, Tucson, AZ, USA
- University of Arizona Health Sciences Center for Sleep & Circadian Sciences, University of Arizona College of Medicine, Tucson, AZ, USA
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15
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Amorim MR, Aung O, Mokhlesi B, Polotsky VY. Leptin-mediated neural targets in obesity hypoventilation syndrome. Sleep 2022; 45:zsac153. [PMID: 35778900 PMCID: PMC9453616 DOI: 10.1093/sleep/zsac153] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 06/20/2022] [Indexed: 07/30/2023] Open
Abstract
Obesity hypoventilation syndrome (OHS) is defined as daytime hypercapnia in obese individuals in the absence of other underlying causes. In the United States, OHS is present in 10%-20% of obese patients with obstructive sleep apnea and is linked to hypoventilation during sleep. OHS leads to high cardiorespiratory morbidity and mortality, and there is no effective pharmacotherapy. The depressed hypercapnic ventilatory response plays a key role in OHS. The pathogenesis of OHS has been linked to resistance to an adipocyte-produced hormone, leptin, a major regulator of metabolism and control of breathing. Mechanisms by which leptin modulates the control of breathing are potential targets for novel therapeutic strategies in OHS. Recent advances shed light on the molecular pathways related to the central chemoreceptor function in health and disease. Leptin signaling in the nucleus of the solitary tract, retrotrapezoid nucleus, hypoglossal nucleus, and dorsomedial hypothalamus, and anatomical projections from these nuclei to the respiratory control centers, may contribute to OHS. In this review, we describe current views on leptin-mediated mechanisms that regulate breathing and CO2 homeostasis with a focus on potential therapeutics for the treatment of OHS.
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Affiliation(s)
- Mateus R Amorim
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - O Aung
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Babak Mokhlesi
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Rush University Medical Center, Chicago, IL, USA
| | - Vsevolod Y Polotsky
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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16
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Toptaş M, Kekeçoğlu A, Yurt S, Tural Onur S, Karapınar K, Akkoç İ, Haliloğlu M. Predicting Length of Stay and Mortality in Acute Exacerbation of Chronic Obstructive Pulmonary Disease at the Intensive Care Unit. ISTANBUL MEDICAL JOURNAL 2022. [DOI: 10.4274/imj.galenos.2022.84579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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17
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Msaad S, Gargouri R, Kotti A, Kallel N, Saidane A, Jmal Y, Ketata W, Moussa N, Bahloul A, Kammoun S, Jdidi J. Characteristics of Obese Patients with Acute Hypercapnia Respiratory Failure Admitted in the Department of Pneumology: An Observational Study of a North African Population. SLEEP DISORDERS 2022; 2022:5398460. [PMID: 35223103 PMCID: PMC8872695 DOI: 10.1155/2022/5398460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 01/08/2022] [Accepted: 01/12/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND Acute hypercapnic respiratory failure (AHRF) is a common life-threatening event in patients with obesity hypoventilation syndrome (OHS). OBJECTIVES To study the clinical pattern, noninvasive ventilatory support, as well as the short- and long-term outcomes of patients with OHS admitted in a ward because of AHRF. METHODS We conducted a retrospective cohort study including all adults with OHS aged ≥ 18 - year - old, admitted in a 90-bed-ward for AHRF. RESULTS A total of 44 patients were included. Fifteen (34.1%) and 29 (65.9%) patients were diagnosed with malignant OHS (mOHS) and nonmalignant OHS (non-mOHS), respectively, while 36 (81.8%) had coexisting obstructive sleep apnea hypopnea syndrome (OSAHS). Patients with mOHS had a significantly higher rate of heart failure (100% vs. 31%; p < 0.001), chronic renal insufficiency (CRI) (73.3% vs. 41.4%; p = 0.04), and dyslipidemia (66.7% vs. 34.5%; p = 0.04) than those with non-mOHS. The mean forced vital capacity (FVC) in our patients was of 59.5% ± 18.5 of the predicted value, lower than what is usually reported in stable patients with OHS. At hospital admission, more than two-thirds (n = 34, 77.3%) were misdiagnosed as having asthma exacerbation (n = 4, 4.9.1%), chronic obstructive pulmonary disease (COPD) exacerbation (n = 12, 27.3%) and/or heart failure (n = 29, 65.9%). Acute pulmonary oedema (ACPE) (n = 16, 36.4%) and acute viral bronchitis (n = 12, 27.3%) were the main identified causal factors, while no cause could be determined in 5 (11.4%) patients. Noninvasive positive pressure ventilation (NIPPV) using bilevel positive airway pressure (BIPAP) was very highly effective to treat AHRF, with only 2.27% of patients failing the modality. Median overall duration of ventilation was 9 hours per day (1.3-20) and was significantly longer in patients with mOHS than in those with non-mOHS (10 [6-18] vs. 8 [1.3-20], respectively; p = 0.01). Forty two of the forty-three patients discharged alive were treated with BIPAP or continuous positive airway pressure (CPAP) in 26 and 16 patients, respectively. The probability of survival was 90% at 12 months, while the probability of readmission for a new episode of AHRF was 56% at 6 months and 22% at 12 months, respectively. CONCLUSION AHRF in OHS patients is a life-threatening event which can be successfully and safely treated with BIPAP, with a low long-term mortality even in patients with mOHS.
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Affiliation(s)
- Sameh Msaad
- Faculty of Medicine, University of Sfax, Tunisia
- Department of Respiratory and Sleep Medicine, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Rahma Gargouri
- Faculty of Medicine, University of Sfax, Tunisia
- Department of Respiratory and Sleep Medicine, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Amina Kotti
- Faculty of Medicine, University of Sfax, Tunisia
- Department of Respiratory and Sleep Medicine, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Nesrine Kallel
- Faculty of Medicine, University of Sfax, Tunisia
- Department of Respiratory and Sleep Medicine, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Amel Saidane
- Department of Respiratory and Sleep Medicine, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Yassine Jmal
- Faculty of Medicine, University of Sfax, Tunisia
- Department of Respiratory and Sleep Medicine, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Wajdi Ketata
- Faculty of Medicine, University of Sfax, Tunisia
- Department of Respiratory and Sleep Medicine, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Nadia Moussa
- Faculty of Medicine, University of Sfax, Tunisia
- Department of Respiratory and Sleep Medicine, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Amine Bahloul
- Faculty of Medicine, University of Sfax, Tunisia
- Department of Cardiology, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Samy Kammoun
- Faculty of Medicine, University of Sfax, Tunisia
- Department of Respiratory and Sleep Medicine, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Jihene Jdidi
- Faculty of Medicine, University of Sfax, Tunisia
- Department of Preventive Medicine, Hedi Chaker University Hospital, Sfax, Tunisia
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Herkenrath SD, Treml M, Hagmeyer L, Matthes S, Randerath WJ. Severity stages of obesity-related breathing disorders - a cross-sectional cohort study. Sleep Med 2022; 90:9-16. [PMID: 35051737 DOI: 10.1016/j.sleep.2021.12.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 12/22/2021] [Accepted: 12/27/2021] [Indexed: 11/16/2022]
Abstract
INTRODUCTION There is a general underappreciation of the spectrum of obesity-related breathing disorders and their consequences. We therefore compared characteristics of obese patients with eucapnic obstructive sleep apnea (OSA), OSA with obesity-related sleep hypoventilation (ORSH) or obesity hypoventilation syndrome (OHS) to identify the major determinants of hypoventilation. PATIENTS AND METHODS In this prospective, diagnostic study (NCT04570540), obese patients with OSA, ORSH or OHS were characterized applying polysomnography with transcutaneous capnometry, blood gas analyses, bodyplethysmography and measurement of hypercapnic ventilatory response (HCVR). Pathophysiological variables known to contribute to hypoventilation and differing significantly between the groups were specified as potential independent variables in a multivariable logistic regression to identify major determinants of hypoventilation. RESULTS Twenty, 43 and 19 patients were in the OSA, ORSH and OHS group, respectively. BMI was significantly lower in OSA as compared to OHS. The extent of SRBD was significantly higher in OHS as compared to OSA or ORSH. Patients with ORSH or OHS showed a significantly decreased forced expiratory volume in 1 s and forced vital capacity compared to OSA. HCVR was significantly lower in OHS and identified as the major determinant of hypoventilation in a multivariable logistic regression (Nagelkerke R2 = 0.346, p = 0.050, odds ratio (95%-confidence interval) 0.129 (0.017-1.004)). CONCLUSION Although there were differences in BMI, respiratory mechanics and severity of upper airway obstruction between groups, our data support HCVR as the major determinant of obesity-associated hypoventilation.
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Affiliation(s)
- Simon D Herkenrath
- Bethanien Hospital, Clinic for Pneumology and Allergology, Center for Sleep Medicine and Respiratory Care, Solingen, Germany; Institute for Pneumology at the University of Cologne, Germany
| | - Marcel Treml
- Institute for Pneumology at the University of Cologne, Germany
| | - Lars Hagmeyer
- Bethanien Hospital, Clinic for Pneumology and Allergology, Center for Sleep Medicine and Respiratory Care, Solingen, Germany; Institute for Pneumology at the University of Cologne, Germany
| | - Sandhya Matthes
- Bethanien Hospital, Clinic for Pneumology and Allergology, Center for Sleep Medicine and Respiratory Care, Solingen, Germany
| | - Winfried J Randerath
- Bethanien Hospital, Clinic for Pneumology and Allergology, Center for Sleep Medicine and Respiratory Care, Solingen, Germany; Institute for Pneumology at the University of Cologne, Germany.
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Lalmolda C, Flórez P, Corral M, Hernández Voth A, Grimau C, Sayas J, Luján M. Does the Efficacy of High Intensity Ventilation in Stable COPD Depend on the Ventilator Model? A Bench-to-Bedside Study. Int J Chron Obstruct Pulmon Dis 2022; 17:155-164. [PMID: 35058690 PMCID: PMC8765713 DOI: 10.2147/copd.s327994] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 12/06/2021] [Indexed: 12/03/2022] Open
Abstract
Purpose The European Task Force for chronic non-invasive ventilation in stable COPD recommends the use of high pressure-support (PS) level to maximize the decrease in PaCO2. It is possible that the ventilator model can influence the need for higher or lower pressure levels. Research Question To determine the differences between ventilators in a bench model with an increased inspiratory demand; and to compare the degree of muscular unloading measured by parasternal electromyogram (EMGpara) provided by the different ventilators in real patients with stable COPD. Patients and Methods Bench: four levels of increasing progressive effort were programmed. The response of nine ventilators to four levels of PS and EPAP of 5 cm H2O was studied. The pressure-time product was determined at 300 and 500 msec (PTP 300/500). Clinical Study The ventilators were divided into two groups, based on the result of the bench test. Severe COPD patients with non-invasive ventilation (NIV) were studied, randomly comparing the performance of one ventilator from each group. Muscle unloading was measured by the decrease in EMGpara from its baseline value. Results There were significant differences in PTP 300 and PTP 500 in the bench study. Based on these results, home ventilators were classified into two groups; group 1 included four models with higher PTP 300. Ten COPD patients were recruited for the clinical study. Group 1 ventilators showed greater muscle unloading at the same PS than group 2. Conclusion The scale of pressure support in NIV for high intensity ventilation may be influenced by the ventilator model. Clinical Trials.gov NCT03373175.
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Affiliation(s)
- Cristina Lalmolda
- Pneumology Department, Corporació Sanitària I Universitària Parc Taulí, Sabadell, Barcelona, Spain
- CIBERES, Centro de Investigación Biomédica en red, Mallorca, Spain
| | - Pablo Flórez
- Pneumology Department, Corporació Sanitària I Universitària Parc Taulí, Sabadell, Barcelona, Spain
| | - Marta Corral
- Pneumology Department, Hospital 12 de Octubre, Madrid, Spain
| | | | - Carles Grimau
- Pneumology Department, Corporació Sanitària I Universitària Parc Taulí, Sabadell, Barcelona, Spain
| | - Javier Sayas
- CIBERES, Centro de Investigación Biomédica en red, Mallorca, Spain
| | - Manel Luján
- Pneumology Department, Corporació Sanitària I Universitària Parc Taulí, Sabadell, Barcelona, Spain
- CIBERES, Centro de Investigación Biomédica en red, Mallorca, Spain
- Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain
- Correspondence: Manel Luján Pneumology Department, Corporació Parc Taulí, Universitat Autònoma de Barcelona, Parc Taulí 1, 08208 Sabadell, Campus de la UAB, Plaça Cívica, Bellaterra, 08193, Barcelona, SpainTel +34937231010 Email
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20
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Sleep and Hypoventilation. Respir Med 2022. [DOI: 10.1007/978-3-030-93739-3_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Faqihi BM, Parekh D, Trethewey SP, Morlet J, Mukherjee R, Turner AM. Ward-Based Noninvasive Ventilation for Acute Hypercapnic Respiratory Failure Unrelated to Chronic Obstructive Pulmonary Disease. Can Respir J 2021; 2021:4835536. [PMID: 35069952 PMCID: PMC8769869 DOI: 10.1155/2021/4835536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 12/02/2021] [Accepted: 12/10/2021] [Indexed: 11/18/2022] Open
Abstract
Background The use of ward-based noninvasive ventilation (NIV) for acute hypercapnic respiratory failure (AHRF) unrelated to chronic obstructive pulmonary disease (COPD) remains controversial. This study evaluated the outcomes and failure rates associated with NIV application in the ward-based setting for patients with AHRF unrelated to COPD. Methods A multicentre, retrospective cohort study of patients with AHRF unrelated to COPD was conducted. COPD was not the main reason for hospital admission, treated with ward-based NIV between February 2004 and December 2018. All AHRF patients were eligible; exclusion criteria comprised COPD patients, age < 18 years, pre-NIV pH < 7.35, or a lack of pre-NIV blood gas. In-hospital mortality was the primary outcome; univariable and multivariable models were constructed. The obesity-related AHRF group included patients with AHRF due to obesity hypoventilation syndrome (OHS), and the non-obesity-related AHRF group included patients with AHRF due to pneumonia, bronchiectasis, neuromuscular disease, or fluid overload. Results In total, 479 patients were included in the analysis; 80.2% of patients survived to hospital discharge. Obesity-related AHRF was the indication for NIV in 39.2% of all episodes and was the aetiology with the highest rate of survival to hospital discharge (93.1%). In the multivariable analysis, factors associated with a higher risk of in-hospital mortality were increased age (odds ratio, 95% CI: 1.034, 1.017-1.051, P < 0.001) and pneumonia on admission (5.313, 2.326-12.131, P < 0.001). In the obesity-related AHRF group, pre-NIV pH < 7.15 was associated with significantly increased in-hospital mortality (7.800, 1.843-33.013, P=0.005); however, a pre-NIV pH 7.15-7.25 was not associated with increased in-hospital mortality (2.035, 0.523-7.915, P=0.305). Conclusion Pre-NIV pH and age have been identified as important predictors of surviving ward-based NIV treatment. Moreover, these data support the use of NIV in ward-based settings for obesity-related AHRF patients with pre-NIV pH thresholds down to 7.15. However, future controlled trials are required to confirm the effectiveness of NIV use outside critical care settings for obesity-related AHRF.
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Affiliation(s)
- Bandar M. Faqihi
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
- Respiratory Therapy Department, College of Applied Medical Sciences, King Saud Bin Abdul Aziz University for Health Sciences, Saudi Arabia
| | - Dhruv Parekh
- University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
- Birmingham Acute Care Research Group, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | | | - Julien Morlet
- University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Rahul Mukherjee
- University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Alice M. Turner
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
- University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
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22
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Faqihi BM, Trethewey SP, Morlet J, Parekh D, Turner AM. Bilevel positive airway pressure ventilation for non-COPD acute hypercapnic respiratory failure patients: A systematic review and meta-analysis. Ann Thorac Med 2021; 16:306-322. [PMID: 34820018 PMCID: PMC8588943 DOI: 10.4103/atm.atm_683_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 04/08/2021] [Indexed: 11/04/2022] Open
Abstract
The effectiveness of bi-level positive airway pressure (BiPAP) in patients with acute hypercapnic respiratory failure (AHRF) due to etiologies other than chronic obstructive pulmonary disease (COPD) is unclear. To systematically review the evidence regarding the effectiveness of BiPAP in non-COPD patients with AHRF. The Cochrane Library, MEDLINE, EMBASE, and CINAHL Plus were searched according to prespecified criteria (PROSPERO-CRD42018089875). Randomized controlled trials (RCTs) assessing the effectiveness of BiPAP versus continuous positive airway pressure (CPAP), invasive mechanical ventilation, or O2 therapy in adults with non-COPD AHRF were included. The primary outcomes of interest were the rate of endotracheal intubation (ETI) and mortality. Risk-of-bias assessment was performed, and data were synthesized and meta-analyzed where appropriate. Two thousand four hundred and eighty-five records were identified after removing duplicates. Eighty-eight articles were identified for full-text assessment, of which 82 articles were excluded. Six studies, of generally low or uncertain risk-of-bias, were included involving 320 participants with acute cardiogenic pulmonary edema (ACPO) and solid tumors. No significant differences were seen between BiPAP ventilation and CPAP with regard to the rate of progression to ETI (risk ratio [RR] = 1.49, 95% confidence interval [CI], 0.63-3.62, P = 0.37) and in-hospital mortality rate (RR = 0.71, 95% CI, 0.25-1.99, P = 0.51) in patients with AHRF due to ACPO. The efficacy of BiPAP appears similar to CPAP in reducing the rates of ETI and mortality in patients with AHRF due to ACPO. Further research on other non-COPD conditions which commonly cause AHRF such as obesity hypoventilation syndrome is needed.
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Affiliation(s)
- Bandar M Faqihi
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK.,Respiratory Therapy Department, College of Applied Medical Sciences, King Saud bin Abdul Aziz University for Health Sciences, Saudi Arabia
| | | | - Julien Morlet
- University Hospitals Birmingham, NHS Foundation Trust, Birmingham, UK
| | - Dhruv Parekh
- University Hospitals Birmingham, NHS Foundation Trust, Birmingham, UK.,Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | - Alice M Turner
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK.,University Hospitals Birmingham, NHS Foundation Trust, Birmingham, UK
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23
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Thille AW, Coudroy R, Nay MA, Gacouin A, Decavèle M, Sonneville R, Beloncle F, Girault C, Dangers L, Lautrette A, Levrat Q, Rouzé A, Vivier E, Lascarrou JB, Ricard JD, Mekontso-Dessap A, Barberet G, Lebert C, Ehrmann S, Massri A, Bourenne J, Pradel G, Bailly P, Terzi N, Dellamonica J, Lacave G, Robert R, Frat JP, Ragot S. Beneficial Effects of Non-Invasive Ventilation After Extubation in Obese or Overweight Patients: A Post-Hoc Analysis of a Randomized Clinical Trial. Am J Respir Crit Care Med 2021; 205:440-449. [PMID: 34813391 DOI: 10.1164/rccm.202106-1452oc] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
RATIONALE Whereas non-invasive ventilation (NIV) may prevent reintubation in patients at high-risk of extubation failure in intensive care units (ICUs), this oxygenation strategy has not been specifically assessed in obese patients. OBJECTIVES We hypothesized that NIV may decrease the risk of reintubation in obese patients compared with high-flow nasal oxygen (HFNO). METHODS Post-hoc analysis of a multicenter, randomized, controlled trial (not pre-specified) comparing NIV alternating with HFNO versus HFNO alone after extubation, with the aim of assessing NIV effects according to patient body-mass index (BMI). MEASUREMENTS AND MAIN RESULTS Among 623 patients at high-risk of extubation failure, 206 (33%) were obese (BMI≥30 kg/m2), 204 (33%) were overweight (25≤BMI<30), and 213 (34%) were normal or underweight (BMI<25). Significant heterogeneity of NIV effects on the rate of reintubation was found according to BMI (Pinteraction=0.007). Reintubation rates at day 7 were significantly lower with NIV alternating with HFNO than with HFNO alone in obese or overweight patients: 7% (15/204) vs. 20% (41/206); difference, -13%; [95% CI, -19 to -6]; P=0.0002; whereas it did not significantly differ in normal or underweight patients. In-ICU mortality was significantly lower with NIV than with HFNO alone in obese or overweight patients (2% vs. 9%; difference, -6%; [95% CI, -11 to -2]; P=0.006). CONCLUSIONS Prophylactic NIV alternating with HFNO immediately after extubation significantly decreased the risk of reintubation and death as compared with HFNO alone in obese or overweight patients at high-risk of extubation failure. By contrast, NIV was not effective in normal or underweight patients.
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Affiliation(s)
- Arnaud W Thille
- Centre Hospitalier Universitaire de Poitiers, 36655, Médecine Intensive Réanimation, Poitiers, France.,University of Poitiers, 27077, INSERM CIC 1402, ALIVE research group, Poitiers, France;
| | - Rémi Coudroy
- Centre Hospitalier Universitaire de Poitiers, 36655, Médecine Intensive Réanimation, Poitiers, France.,University of Poitiers, 27077, INSERM CIC 1402, ALIVE research group, Poitiers, France
| | - Mai-Anh Nay
- Centre Hospitalier Regional d'Orleans, 52817, Orleans, France
| | - Arnaud Gacouin
- Centre Hospitalier Universitaire de Rennes, 36684, Hôpital Ponchaillou, Service des Maladies Infectieuses et Réanimation Médicale, Rennes, France
| | - Maxens Decavèle
- Groupe Hospitalier La Pitié Salpêtrière-Charles Foix, 55577, Médecine Intensive Réanimation, Paris, France
| | - Romain Sonneville
- APHP, 26930, Hôpital Bichat - Claude Bernard, Médecine Intensive Réanimation, Université Paris Diderot, Paris, France
| | - François Beloncle
- Centre Hospitalier Universitaire d'Angers, 26966, Département de Médecine Intensive Réanimation, Université d'Angers, Angers, France
| | - Christophe Girault
- Centre Hospitalier Universitaire de Rouen, 55052, Médecine Intensive Réanimation, Normandie University, UNIROUEN, EA 3830, Rouen, France
| | - Laurence Dangers
- Centre Hospitalier Universitaire Félix Guyon, 375276, Service de Réanimation Polyvalente, Saint-Denis, Réunion
| | - Alexandre Lautrette
- Centre Hospitalier Universitaire de Clermont-Ferrand, 55174, Hôpital Gabriel Montpied, Service de Réanimation Médicale, Clermont-Ferrand, France
| | - Quentin Levrat
- Centre hospitalier de la Rochelle, 26970, Service de Réanimation, La Rochelle, France
| | - Anahita Rouzé
- Centre Hospitalier Universitaire de Lille, 26902, Centre de Réanimation, Université de Lille, Lille, France
| | - Emmanuel Vivier
- Centre Hospitalier Saint Joseph Saint Luc, 149919, Rhône, Lyon, France
| | | | - Jean-Damien Ricard
- APHP, 26930, Hôpital Louis Mourier, DMU ESPRIT, Service de Médecine Intensive Réanimation,Université de Paris, INSERM, UMR IAME 1137 , Paris, France
| | - Armand Mekontso-Dessap
- APHP, 26930, Hôpitaux universitaires Henri Mondor, Service de Médecine Intensive Réanimation, Université Paris Est Créteil, Groupe de recherche clinique CARMAS, Paris, France
| | - Guillaume Barberet
- Groupe Hospitalier Régional Mulhouse Sud-Alsace, site Emile Muller, Service de Réanimation Médicale, Mulhouse, France
| | - Christine Lebert
- Centre Hospitalier Departemental Vendee, 37092, La Roche-sur-Yon, France
| | - Stephan Ehrmann
- Centre Hospitalier Régional Universitaire de Tours, 26928, Médecine Intensive Réanimation, CIC 1415, Réseau CRICS-Trigger SEP, Centre d'étude des pathologies respiratoires, INSERM U1100, Université de Tours, Tours, France
| | - Alexandre Massri
- Centre Hospitalier de Pau, 37101, Service de Réanimation, Pau, France
| | - Jeremy Bourenne
- APHM, 36900, Centre Hospitalier Universitaire La Timone 2, Médecine Intensive Réanimation, Réanimation des Urgences, Aix-Marseille Université, Marseille, France
| | - Gael Pradel
- Centre Hospitalier Henri Mondor d'Aurillac, 91532, Service de Réanimation, Aurillac, France
| | - Pierre Bailly
- Centre Hospitalier Universitaire de Brest, 26990, Médecine Intensive Réanimation, Brest, France
| | - Nicolas Terzi
- Centre Hospitalier Universitaire Grenoble Alpes, 36724, Médecine Intensive Réanimation, INSERM, Université Grenoble-Alpes, U1042, HP2, Grenoble, France
| | - Jean Dellamonica
- Centre Hospitalier Universitaire de Nice, 37045, Médecine Intensive Réanimation, Archet 1, Université Cote d'Azur, Nice, France
| | - Guillaume Lacave
- Centre Hospitalier de Versailles, 26938, Service de Réanimation Médico-Chirurgicale, Le Chesnay, France
| | - René Robert
- Centre Hospitalier Universitaire de Poitiers, 36655, Médecine Intensive Réanimation, Poitiers, France.,University of Poitiers, 27077, INSERM CIC 1402, ALIVE research group, Poitiers, France
| | - Jean-Pierre Frat
- Centre Hospitalier Universitaire de Poitiers, 36655, Médecine Intensive Réanimation, Poitiers, France.,University of Poitiers, 27077, INSERM CIC 1402, ALIVE research group, Poitiers, France
| | - Stéphanie Ragot
- University of Poitiers, 27077, INSERM CIC 1402, ALIVE research group, Poitiers, France
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24
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Saigal A, Shah AJ, Mandal S. Acute hypercapnic respiratory failure and its management on the acute medical take. Br J Hosp Med (Lond) 2021; 82:1-12. [PMID: 34726941 DOI: 10.12968/hmed.2021.0251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Acute hypercapnic respiratory failure accounts for 50 000 hospital admissions each year in the UK. This article discusses the pathophysiology and common causes of acute hypercapnic respiratory failure, and provides practical considerations for patient management in acute medical settings. Non-invasive ventilation for persistent acute hypercapnic respiratory failure is widely recognised to improve patient outcomes and reduce mortality. National audits highlight a need to improve patients' overall care and outcomes through appropriate patient selection and treatment initiation. Multidisciplinary involvement is essential, as this underpins inpatient care and follow up after hospital discharge. New non-invasive ventilation modalities may offer better patient comfort and compensate better for sleep-related changes in respiratory mechanics. Emerging therapies, such as nasal high flow, may offer an alternative treatment approach in those who cannot tolerate non-invasive ventilation, but more research is required to completely understand its effectiveness in treating acute hypercapnic respiratory failure.
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Affiliation(s)
- Anita Saigal
- Department of Thoracic Medicine, Royal Free Hospital, London, UK
| | - Amar J Shah
- Department of Thoracic Medicine, Royal Free Hospital, London, UK
| | - Swapna Mandal
- Department of Thoracic Medicine, Royal Free Hospital, London, UK
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25
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Yu J, Lee MR, Chen CT, Lin YT, How CK. Predictors of Successful Weaning from Noninvasive Ventilation in Patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease: A Single-Center Retrospective Cohort Study. Lung 2021; 199:457-466. [PMID: 34420091 PMCID: PMC8380010 DOI: 10.1007/s00408-021-00469-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 08/15/2021] [Indexed: 11/28/2022]
Abstract
Purpose Noninvasive ventilation (NIV) is often required for patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD), and it can significantly reduce the need for endotracheal intubation. Currently, there is no standard method for predicting successful weaning from NIV. Therefore, we aimed to evaluate whether a weaning index can predict NIV outcomes of patients with AECOPD. Methods This study was conducted at a single academic public hospital in northern Taiwan from February 2019 to January 2021. Patients with AECOPD admitted to the hospital with respiratory failure who were treated with NIV were included in the study. Univariate and multivariate logistic regression analyses were used to identify independent predictors of successful weaning from NIV. Receiver operating characteristic curve methodology was used to assess the predictive capacity. Results A total of 85 patients were enrolled, 65.9% of whom were successfully weaned from NIV. The patients had a mean age of 75.8 years and were mostly men (89.4%). The rapid shallow breathing index (RSBI) (P < 0.001), maximum inspiratory pressure (P = 0.014), and maximum expiratory pressure (P = 0.004) of the successful group were significant while preparing to wean. The area under the receiver operating characteristic curve for the RSBI was 0.804, which was considered excellent discrimination. Conclusion The RSBI predicted successful weaning from NIV in patients with AECOPD with hypercapnic respiratory failure. This index may be useful for selecting patients with AECOPD that are suitable for NIV weaning.
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Affiliation(s)
- Jie Yu
- Institute of Emergency and Critical Care Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC.,National Taiwan University Hospital Hsin-Chu Branch, Hsinchu City, Taiwan, ROC
| | - Meng-Rui Lee
- Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu City, Taiwan, ROC
| | - Chung-Ting Chen
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC.,Emergency Department, Taipei Veterans General Hospital, #201, Sec. 2, Shipai Rd., Beitou Dist., Taipei, 11217, Taiwan, ROC
| | - Yi-Tsung Lin
- Institute of Emergency and Critical Care Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC.,Division of Infectious Diseases, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Chorng-Kuang How
- Institute of Emergency and Critical Care Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC. .,School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC. .,Emergency Department, Taipei Veterans General Hospital, #201, Sec. 2, Shipai Rd., Beitou Dist., Taipei, 11217, Taiwan, ROC. .,Kinmen Hospital, Ministry of Health and Welfare, Kinmen, Taiwan, ROC.
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26
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Anderson MR, Shashaty MGS. The Impact of Obesity in Critical Illness. Chest 2021; 160:2135-2145. [PMID: 34364868 PMCID: PMC8340548 DOI: 10.1016/j.chest.2021.08.001] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 07/19/2021] [Accepted: 08/01/2021] [Indexed: 12/16/2022] Open
Abstract
The prevalence of obesity is rising worldwide. Adipose tissue exerts anatomic and physiological effects with significant implications for critical illness. Changes in respiratory mechanics cause expiratory flow limitation, atelectasis, and V̇/Q̇ mismatch with resultant hypoxemia. Altered work of breathing and obesity hypoventilation syndrome may cause hypercapnia. Challenging mask ventilation and peri-intubation hypoxemia may complicate intubation. Patients with obesity are at increased risk of ARDS and should receive lung-protective ventilation based on predicted body weight. Increased positive end expiratory pressure (PEEP), coupled with appropriate patient positioning, may overcome the alveolar decruitment and intrinsic PEEP caused by elevated baseline pleural pressure; however, evidence is insufficient regarding the impact of high PEEP strategies on outcomes. Venovenous extracorporeal membrane oxygenation may be safely performed in patients with obesity. Fluid management should account for increased prevalence of chronic heart and kidney disease, expanded blood volume, and elevated acute kidney injury risk. Medication pharmacodynamics and pharmacokinetics may be altered by hydrophobic drug distribution to adipose depots and comorbid liver or kidney disease. Obesity is associated with increased risk of VTE and infection; appropriate dosing of prophylactic anticoagulation and early removal of indwelling catheters may decrease these risks. Obesity is associated with improved critical illness survival in some studies. It is unclear whether this reflects a protective effect or limitations inherent to observational research. Obesity is associated with increased risk of intubation and death in SARS-CoV-2 infection. Ongoing molecular studies of adipose tissue may deepen our understanding of how obesity impacts critical illness pathophysiology.
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Affiliation(s)
- Michaela R Anderson
- Division of Pulmonary Disease and Critical Care Medicine, Columbia University
| | - Michael G S Shashaty
- Pulmonary, Allergy, and Critical Care Division and the Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania.
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27
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Mokhlesi B, Won CH, Make BJ, Selim BJ, Sunwoo BY. Optimal Noninvasive Medicare Access Promotion: Patients with Hypoventilation Syndromes A Technical Expert Panel Report from the American College of Chest Physicians, the American Association for Respiratory Care, the American Academy of Sleep Medicine, and the American Thoracic Society. Chest 2021; 160:e377-e387. [PMID: 34339686 DOI: 10.1016/j.chest.2021.06.083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 05/27/2021] [Accepted: 06/17/2021] [Indexed: 10/20/2022] Open
Abstract
The existing coverage criteria for home noninvasive ventilation (NIV) do not recognize the diversity of hypoventilation syndromes and advances in technologies. This document summarizes the work of the Hypoventilation Syndromes Technical Expert Panel working group. The most pressing current coverage barriers identified were: 1) overreliance on arterial blood gases (particularly during sleep); 2) need to perform testing on prescribed oxygen; 3) requiring a sleep study to rule out obstructive sleep apnea as the cause of sustained hypoxemia; 4) need for spirometry; 5) need to demonstrate BPAP without a backup rate failure to qualify for BPAP S/T; and 6) qualifying hospitalized patients for home NIV therapy at the time of discharge. Critical evidence support for changes to current policies include randomized clinical trial evidence and clinical practice guidelines. In order to decrease morbidity-mortality by achieving timely access to NIV for patients with hypoventilation, particularly those with obesity hypoventilation syndrome, we make the following key suggestions: 1) Given the significant technological advances, we advise acceptance of surrogate noninvasive end tidal and transcutaneous PCO2 and venous blood gases in lieu of arterial blood gases,; 2) Not requiring PCO2 measures while on prescribed oxygen; 3) Not requiring a sleep study to avoid delays in care in patients being discharged from the hospital; 4) Remove spirometry as a requirement; 5) Not requiring BPAP without a backup rate failure to approve BPAP S/T. The overarching goal of the Technical Expert Panel is to establish pathways that improve clinicians' management capability to provide Medicare beneficiaries access to appropriate home NIV therapy. Adoption of these proposed suggestions would result in the right device, at the right time, for the right type of patients with hypoventilation syndromes.
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28
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The Role of Positive Airway Pressure Therapy in Adults with Obesity Hypoventilation Syndrome. A Systematic Review and Meta-Analysis. Ann Am Thorac Soc 2021; 17:344-360. [PMID: 31726017 DOI: 10.1513/annalsats.201907-528oc] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Rationale: Obesity hypoventilation syndrome (OHS) is an undesirable complication of severe obesity. Although weight loss is an accepted component of management, it is difficult to achieve and sustain the degree of weight loss necessary to reverse OHS. As such, positive airway pressure (PAP) during sleep has become the cornerstone therapy for most patients with OHS. However, the value of PAP therapy remains uncertain.Objective: To perform a systematic review to determine whether adults with OHS should be treated with PAP therapy or not.Methods: This systematic review informed an international, multidisciplinary panel of experts who had converged to develop a clinical practice guideline on OHS for the American Thoracic Society. MEDLINE, the Cochrane Library, and Embase were searched from January 1946 to March 2019 for studies that compared PAP therapy (i.e., continuous PAP or noninvasive ventilation) to no PAP therapy in patients with OHS. The Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) approach was used to appraise the quality of evidence.Results: The search identified 2,994 unique articles. The full text of 56 articles was reviewed, and 25 studies were selected, including 3 randomized trials, 12 nonrandomized comparative studies, and 10 randomized and nonrandomized studies without a comparator group. Sample size ranged from 21 to 1,527 patients. PAP was associated with increased resolution of OHS and improvements in mortality, gas exchange, daytime sleepiness, sleep quality, quality of life, and emergency department visits. Nearly half of patients experienced trivial adverse effects related to PAP therapy. Certainty in the estimated effects was low or very low for most outcomes.Conclusions: The panel made a conditional (i.e., weak) recommendation that PAP therapy during sleep be offered to patients with OHS to improve outcomes. This recommendation was based on very low-quality evidence.
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29
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Fortis S, O'Shea AMJ, Beck BF, Comellas A, Vaughan Sarrazin M, Kaboli PJ. Association Between Rural Residence and In-Hospital and 30-Day Mortality Among Veterans Hospitalized with COPD Exacerbations. Int J Chron Obstruct Pulmon Dis 2021; 16:191-202. [PMID: 33564232 PMCID: PMC7866931 DOI: 10.2147/copd.s281162] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 12/11/2020] [Indexed: 12/30/2022] Open
Abstract
Background We explored the relationship between rural residency and in-hospital mortality in patients hospitalized with COPD exacerbations. Methods We retrospectively analyzed COPD hospitalizations from 2011 to 2017 at 124 acute care Veterans Health Administration (VHA) hospitals in the US. Patient residence was classified using Rural Urban Commuting Area codes as urban, rural, or isolated rural. We stratified patient hospitalizations into quartiles by travel time from patient residence to the nearest VHA primary care provider clinic and hospital. Multivariate analyses utilized generalized estimating equations with a logit link accounting for repeated hospitalizations among patients and adjusting for patient- and hospital-level characteristics. Results Of 64,914 COPD hospitalizations analyzed, 43,549 (67.1%) were for urban, 18,673 (28.8%) for rural, and 2,692 (4.1%) for isolated rural veterans. In-hospital mortality was 4.9% in urban, 5.5% in rural, and 5.2% in isolated rural veterans (P=0.008). Thirty-day mortality was 8.3% in urban, 9.9% in rural, and 9.2% in isolated rural veterans (P<0.001). Travel time to a primary care provider and VHA hospital was not associated with in-hospital mortality among isolated rural and rural veterans. In the multivariable analysis, compared to urban veterans, isolated rural patients did not have increased mortality. Rural residence was not associated with in-hospital (OR=0.87; 95% CI=0.67-1.12, P=0.28) but was associated with increased 30-day mortality (OR=1.13; 95% CI=1.04-1.22, P=0.002). Transfer from another acute care hospital (OR=14.97; 95% CI=9.80-17.16, P<0.001) or an unknown/other facility (OR=33.05; 95% CI=22.66-48.21, P<0.001) were the strongest predictors of increased in-hospital mortality compared to patients coming from the outpatient sector. Transfer from another acute care facility was also a risk factor for 30-day mortality. Conclusion Potential gaps in post-discharge care of rural veterans may be responsible for the rural-urban disparities. Further research should investigate the exact mechanism that inter-hospital transfers affect mortality.
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Affiliation(s)
- Spyridon Fortis
- Center for Access & Delivery Research & Evaluation (CADRE), Iowa City VA Health Care System, Iowa City, IA, USA.,Pulmonary, Critical Care and Occupational Medicine, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Amy M J O'Shea
- Center for Access & Delivery Research & Evaluation (CADRE), Iowa City VA Health Care System, Iowa City, IA, USA.,Department of Internal Medicine, Division of General Internal Medicine, University of Iowa Roy J. and Lucille A. Carver College of Medicine, Iowa City, IA, USA
| | - Brice F Beck
- Center for Access & Delivery Research & Evaluation (CADRE), Iowa City VA Health Care System, Iowa City, IA, USA
| | - Alejandro Comellas
- Center for Access & Delivery Research & Evaluation (CADRE), Iowa City VA Health Care System, Iowa City, IA, USA.,Pulmonary, Critical Care and Occupational Medicine, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Mary Vaughan Sarrazin
- Center for Access & Delivery Research & Evaluation (CADRE), Iowa City VA Health Care System, Iowa City, IA, USA.,Department of Internal Medicine, Division of General Internal Medicine, University of Iowa Roy J. and Lucille A. Carver College of Medicine, Iowa City, IA, USA
| | - Peter J Kaboli
- Center for Access & Delivery Research & Evaluation (CADRE), Iowa City VA Health Care System, Iowa City, IA, USA.,Department of Internal Medicine, Division of General Internal Medicine, University of Iowa Roy J. and Lucille A. Carver College of Medicine, Iowa City, IA, USA
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30
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Wearn J, Akpa B, Mokhlesi B. Adherence to Positive Airway Pressure Therapy in Obesity Hypoventilation Syndrome. Sleep Med Clin 2020; 16:43-59. [PMID: 33485531 DOI: 10.1016/j.jsmc.2020.10.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Because of the prevalence of extreme obesity in the United States, there has been an increase in prevalence of obesity hypoventilation syndrome (OHS). There is limited information on the characteristics and pattern of positive airway pressure (PAP) adherence in patients with OHS compared with eucapnic patients with obstructive sleep apnea (OSA). This article discusses in detail the impact of PAP therapy on outcomes in patients with OHS, compares adherence between continuous PAP and noninvasive ventilation in OHS, and compares PAP adherence in patients with OHS to patients with moderate to severe OSA enrolled in clinical trials designed to improve CPAP adherence.
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Affiliation(s)
- Jeremy Wearn
- Sleep Medicine and Internal Medicine, Oregon Health & Science University and Portland VAMC, 3710 SW US Veterans Hospital Rd, PULM3/Sleep, Portland OR 97239, USA
| | - Bimaje Akpa
- Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, University of Minnesota, 420 Delaware Street SE, MMC 276, Minneapolis, MN 55455, USA
| | - Babak Mokhlesi
- Sleep Disorders Center, University of Chicago, 5841 South Maryland Avenue, MC6076/Room M630, Chicago, IL 60637, USA.
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Abstract
Obesity hypoventilation syndrome is the most frequent cause of chronic hypoventilation and is increasingly more common with rising obesity rates. It leads to considerable morbidity and mortality, particularly when not recognized and treated adequately. Long-term nocturnal noninvasive ventilation is the mainstay of treatment but evidence suggests that CPAP may be effective in stable patients. Specific perioperative management is required to reduce complications. Some unique syndromes associated with obesity and hypoventilation include rapid-onset obesity with hypoventilation, hypothalamic, autonomic dysregulation (ROHHAD), and Prader-Willi syndrome. Congenital central hypoventilation syndrome (early or late-onset) is a genetic disorder resulting in hypoventilation. Several acquired causes of chronic central hypoventilation also exist. A high level of clinical suspicion is required to appropriately diagnose and manage affected patients.
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Chen T, Bai L, Hu W, Han X, Duan J. Risk Factors Associated with Late Failure of Noninvasive Ventilation in Patients with Chronic Obstructive Pulmonary Disease. Can Respir J 2020; 2020:8885464. [PMID: 33123301 PMCID: PMC7582075 DOI: 10.1155/2020/8885464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 09/25/2020] [Accepted: 09/29/2020] [Indexed: 11/26/2022] Open
Abstract
Background Risk factors for noninvasive ventilation (NIV) failure after initial success are not fully clear in patients with acute exacerbation of chronic obstructive pulmonary disease (COPD). Methods Patients who received NIV beyond 48 h due to acute exacerbation of COPD were enrolled. However, we excluded those whose pH was higher than 7.35 or PaCO2 was less than 45 mmHg which was measured before NIV. Late failure of NIV was defined as patients required intubation or died during NIV after initial success. Results We enrolled 291 patients in this study. Of them, 48 (16%) patients experienced late NIV failure (45 received intubation and 3 died during NIV). The median time from initiation of NIV to intubation was 4.8 days (IQR: 3.4-8.1). Compared with the data collected at initiation of NIV, the heart rate, respiratory rate, pH, and PaCO2 significantly improved after 1-2 h of NIV both in the NIV success and late failure of NIV groups. Nosocomial pneumonia (odds ratio (OR) = 75, 95% confidence interval (CI): 11-537), heart rate at initiation of NIV (1.04, 1.01-1.06 beat per min), and pH at 1-2 h of NIV (2.06, 1.41-3.00 per decrease of 0.05 from 7.35) were independent risk factors for late failure of NIV. In addition, the Glasgow coma scale (OR = 0.50, 95% CI: 0.34-0.73 per one unit increase) and PaO2/FiO2 (0.992, 0.986-0.998 per one unit increase) were independent protective factors for late failure of NIV. In addition, patients with late failure of NIV had longer ICU stay (median 9.5 vs. 6.6 days) and higher hospital mortality (92% vs. 3%) compared with those with NIV success. Conclusions Nosocomial pneumonia; heart rate at initiation of NIV; and consciousness, acidosis, and oxygenation at 1-2 h of NIV were associated with late failure of NIV in patients with COPD exacerbation. And, late failure of NIV was associated with increased hospital mortality.
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Affiliation(s)
- Tao Chen
- The Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Linfu Bai
- The Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Wenhui Hu
- The Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xiaoli Han
- The Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jun Duan
- The Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Janz DR, Mackey S, Patel N, Saccoccia BP, St Romain M, Busack B, Lee H, Phan L, Vaughn J, Feinswog D, Chan R, Auerbach L, Sausen N, Grace J, Sackey M, Das A, Gordon AO, Schwehm J, McGoey R, Happel KI, Kantrow SP. Critically Ill Adults With Coronavirus Disease 2019 in New Orleans and Care With an Evidence-Based Protocol. Chest 2020; 159:196-204. [PMID: 32941862 PMCID: PMC7487861 DOI: 10.1016/j.chest.2020.08.2114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 08/09/2020] [Accepted: 08/27/2020] [Indexed: 11/28/2022] Open
Abstract
Background Characteristics of critically ill adults with coronavirus disease 2019 (COVID-19) in an academic safety net hospital and the effect of evidence-based practices in these patients are unknown. Research Question What are the outcomes of critically ill adults with COVID-19 admitted to a network of hospitals in New Orleans, Louisiana, and what is an evidence-based protocol for care associated with improved outcomes? Study Design and Methods In this multi-center, retrospective, observational cohort study of ICUs in four hospitals in New Orleans, Louisiana, we collected data on adults admitted to an ICU and tested for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) between March 9, 2020 and April 14, 2020. The exposure of interest was admission to an ICU that implemented an evidence-based protocol for COVID-19 care. The primary outcome was ventilator-free days. Results The initial 147 patients admitted to any ICU and tested positive for SARS-CoV-2 constituted the cohort for this study. In the entire network, exposure to an evidence-based protocol was associated with more ventilator-free days (25 days; 0-28) compared with non-protocolized ICUs (0 days; 0-23, P = .005), including in adjusted analyses (P = .02). Twenty patients (37%) admitted to protocolized ICUs died compared with 51 (56%; P = .02) in non-protocolized ICUs. Among 82 patients admitted to the academic safety net hospital’s ICUs, the median number of ventilator-free days was 22 (interquartile range, 0-27) and mortality rate was 39%. Interpretation Care of critically ill COVID-19 patients with an evidence-based protocol is associated with increased time alive and free of invasive mechanical ventilation. In-hospital survival occurred in most critically ill adults with COVID-19 admitted to an academic safety net hospital’s ICUs despite a high rate of comorbidities.
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Affiliation(s)
- David R Janz
- University Medical Center, New Orleans, LA; Section of Pulmonary/Critical Care & Allergy/Immunology, LSU School of Medicine, New Orleans, LA.
| | - Scott Mackey
- Louisiana Children's Medical Center, New Orleans, LA; Section of Emergency Medicine, LSU School of Medicine, New Orleans, LA
| | | | - Beau P Saccoccia
- Section of Emergency Medicine, LSU School of Medicine, New Orleans, LA
| | | | - Bethany Busack
- Section of Emergency Medicine, LSU School of Medicine, New Orleans, LA
| | - Hayoung Lee
- Section of Emergency Medicine, LSU School of Medicine, New Orleans, LA
| | - Lana Phan
- Section of Emergency Medicine, LSU School of Medicine, New Orleans, LA
| | - Jordan Vaughn
- Section of Emergency Medicine, LSU School of Medicine, New Orleans, LA
| | | | - Ryan Chan
- LSU School of Medicine, New Orleans, LA
| | - Lauren Auerbach
- Section of Emergency Medicine, LSU School of Medicine, New Orleans, LA
| | - Nicholas Sausen
- Section of Emergency Medicine, LSU School of Medicine, New Orleans, LA
| | | | - Marian Sackey
- Section of Emergency Medicine, LSU School of Medicine, New Orleans, LA
| | | | | | | | | | - Kyle I Happel
- Section of Pulmonary/Critical Care & Allergy/Immunology, LSU School of Medicine, New Orleans, LA
| | - Stephen P Kantrow
- Section of Pulmonary/Critical Care & Allergy/Immunology, LSU School of Medicine, New Orleans, LA
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Manning S. The Crashing Obese Patient. Emerg Med Clin North Am 2020; 38:857-869. [PMID: 32981622 DOI: 10.1016/j.emc.2020.06.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The obesity pandemic now affects hundreds of millions of people worldwide. As obesity rates continue to increase, emergency physicians are called on with increasing frequency to resuscitate obese patients. This article discusses important anatomic, physiologic, and practical challenges imposed by obesity on resuscitative care. Impacts on hemodynamic monitoring, airway and ventilator management, and pharmacologic therapy are discussed. Finally, several important clinical scenarios (trauma, cardiac arrest, and sepsis), in which alterations to standard treatments may benefit obese patients, are highlighted.
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Affiliation(s)
- Sara Manning
- Department of Emergency Medicine, University of Maryland School of Medicine, 110 South Paca Street, 6th Floor, Suite 200, Baltimore, MD 21201, USA.
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35
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Gudivada SD, Rajasurya V, Spector AR. Qualifying Patients for Noninvasive Positive Pressure Ventilation Devices on Hospital Discharge. Chest 2020; 158:2524-2531. [PMID: 32798519 DOI: 10.1016/j.chest.2020.08.014] [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: 05/28/2020] [Revised: 08/01/2020] [Accepted: 08/05/2020] [Indexed: 11/30/2022] Open
Abstract
When and how do I qualify inpatients with acute on chronic hypercapnic respiratory failure for home noninvasive positive-pressure ventilation at the time of discharge? A 44-year-old woman with morbid obesity (BMI, 48) was brought to the hospital by her boyfriend for 1 day of confusion and reduced alertness. She had a history of chronic dyspnea on exertion and 10-pack-years of smoking. She also had history of well-treated diabetes and hypertension. In the ER, she was found to be somnolent but arousable and following commands appropriately. Her oxygen saturation was 86% on room air, and arterial blood gases indicated a pH of 7.16 with a Paco2 of 87 mm Hg, a Pao2 of 60 mm Hg, and a bicarbonate of 42 mEq/L. Chest radiograph showed mild pulmonary vascular congestion. She was started on continuous bilevel positive airway pressure and medical therapy, with clinical improvement.
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Affiliation(s)
| | - Venkat Rajasurya
- Department of Pulmonary Critical Care Medicine, Novant Forsyth Medical Center, Winston-Salem, NC
| | - Andrew R Spector
- Sleep Medicine, Department of Neurology, Duke University School of Medicine, Durham, NC
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37
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Sharma R, Suri JC, Ramakrishnan N, Mani RK, Khilnani GC, Sidhu US. Guidelines for noninvasive ventilation in acute respiratory failure. Indian J Crit Care Med 2020. [DOI: 10.5005/ijccm-17-s1-42] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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38
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Ferrer M, Torres A. Noninvasive Ventilation and High-Flow Nasal Therapy Administration in Chronic Obstructive Pulmonary Disease Exacerbations. Semin Respir Crit Care Med 2020; 41:786-797. [PMID: 32725614 DOI: 10.1055/s-0040-1712101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Noninvasive ventilation (NIV) is considered to be the standard of care for the management of acute hypercapnic respiratory failure in patients with chronic obstructive pulmonary disease exacerbation. It can be delivered safely in any dedicated setting, from emergency rooms to high dependency or intensive care units and wards. NIV helps improving dyspnea and gas exchange, reduces the need for endotracheal intubation, and morbidity and mortality rates. It is therefore recognized as the gold standard in this condition. High-flow nasal therapy helps improving ventilatory efficiency and reducing the work of breathing in patients with severe chronic obstructive pulmonary disease. Early studies indicate that some patients with acute hypercapnic respiratory failure can be managed with high-flow nasal therapy, but more information is needed before specific recommendations for this therapy can be made. Therefore, high-flow nasal therapy use should be individualized in each particular situation and institution, taking into account resources, and local and personal experience with all respiratory support therapies.
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Affiliation(s)
- Miquel Ferrer
- Respiratory Intensive and Intermediate Care Unit, Department of Pneumology, Respiratory Institute, Hospital Clínic of Barcelona, IDIBAPS, University of Barcelona, Barcelona, Spain
| | - Antoni Torres
- Respiratory Intensive and Intermediate Care Unit, Department of Pneumology, Respiratory Institute, Hospital Clínic of Barcelona, IDIBAPS, University of Barcelona, Barcelona, Spain
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Mokhlesi B, Masa JF, Afshar M, Almadana Pacheco V, Berlowitz DJ, Borel JC, Budweiser S, Carrillo A, Castro-Añón O, Ferrer M, Gagnadoux F, Golpe R, Hart N, Howard ME, Murphy PB, Palm A, Perez de Llano LA, Piper AJ, Pépin JL, Priou P, Sánchez-Gómez JF, Soghier I, Tamae Kakazu M, Wilson KC. The Effect of Hospital Discharge with Empiric Noninvasive Ventilation on Mortality in Hospitalized Patients with Obesity Hypoventilation Syndrome. An Individual Patient Data Meta-Analysis. Ann Am Thorac Soc 2020; 17:627-637. [PMID: 32023419 DOI: 10.1513/annalsats.201912-887oc] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 02/05/2020] [Indexed: 11/20/2022] Open
Abstract
Rationale: Hospitalized patients with acute-on-chronic hypercapnic respiratory failure due to obesity hypoventilation syndrome (OHS) have increased short-term mortality. It is unknown whether prescribing empiric positive airway pressure (PAP) at the time of hospital discharge reduces mortality compared with waiting for an outpatient evaluation (i.e., outpatient sleep study and outpatient PAP titration).Objectives: An international, multidisciplinary panel of experts developed clinical practice guidelines on OHS for the American Thoracic Society. The guideline panel asked whether hospitalized adult patients with acute-on-chronic hypercapnic respiratory failure suspected of having OHS, in whom the diagnosis has not yet been made, should be discharged from the hospital with or without empiric PAP treatment until the diagnosis of OHS is either confirmed or ruled out.Methods: A systematic review with individual patient data meta-analyses was performed to inform the guideline panel's recommendation. Grading of Recommendations, Assessment, Development, and Evaluation was used to summarize evidence and appraise quality.Results: The literature search identified 2,994 articles. There were no randomized trials. Ten studies met a priori study selection criteria, including two nonrandomized comparative studies and eight nonrandomized noncomparative studies. Individual patient data on hospitalized patients who survived to hospital discharge were obtained from nine of the studies and included a total of 1,162 patients (1,043 discharged with PAP and 119 discharged without PAP). Empiric noninvasive ventilation was prescribed in 91.5% of patients discharged on PAP, and the remainder received empiric continuous PAP. Discharge with PAP reduced mortality at 3 months (relative risk 0.12, 95% confidence interval 0.05-0.30, risk difference -14.5%). Certainty in the estimated effects was very low.Conclusions: Hospital discharge with PAP reduces mortality following acute-on-chronic hypercapnic respiratory failure in patients with OHS or suspected of having OHS. Well-designed clinical trials are needed to confirm this finding.
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Affiliation(s)
- Babak Mokhlesi
- Department of Medicine, University of Chicago, Chicago, Illinois
| | - Juan Fernando Masa
- Respiratory Department, San Pedro de Alcántara Hospital, Cáceres, Spain
- Centro de Investigación Biomédica en Red Enfermedades Respiratorias, Madrid, Spain
| | - Majid Afshar
- Department of Health Informatics and Data Science, Loyola University, Chicago, Illinois
| | | | - David J Berlowitz
- Institute for Breathing and Sleep, Austin Health, Heidelberg, Victoria, Australia
| | | | - Stephan Budweiser
- Division of Pulmonary and Respiratory Medicine, RoMed Clinical Centre, Rosenheim, Germany
| | - Andres Carrillo
- Intensive Care Unit, Hospital J.M. Morales Meseguer, Murcia, Spain
| | | | - Miquel Ferrer
- Centro de Investigación Biomédica en Red Enfermedades Respiratorias, Madrid, Spain
- Department of Pneumology, Hospital Clinic of Barcelona, University of Barcelona, Barcelona, Spain
| | - Frédéric Gagnadoux
- Department of Respiratory Diseases, and
- INSERM U1063, Angers University Hospital, Angers, France
| | - Rafael Golpe
- Pneumology Service, Lucus Augusti University Hospital, Galicia, Spain
| | - Nicholas Hart
- Lane Fox Respiratory Service, Guy's and St. Thomas' NHS Foundation Trust, London, United Kingdom
| | - Mark E Howard
- Institute for Breathing and Sleep, Austin Health, Heidelberg, Victoria, Australia
| | - Patrick B Murphy
- Lane Fox Respiratory Service, Guy's and St. Thomas' NHS Foundation Trust, London, United Kingdom
| | - Andreas Palm
- Department of Medical Sciences, Respiratory, Allergy and Sleep Research, Uppsala University, Uppsala, Sweden
| | | | - Amanda J Piper
- Royal Prince Alfred Hospital, and
- University of Sydney, Camperdown, New South Wales, Australia
| | - Jean Louis Pépin
- HP2 Laboratory, INSERM U1042, University of Grenoble Alpes, Grenoble, France
| | - Pascaline Priou
- Department of Respiratory Diseases, and
- INSERM U1063, Angers University Hospital, Angers, France
| | | | - Israa Soghier
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York
| | - Maximiliano Tamae Kakazu
- Division of Pulmonary and Critical Care Medicine Spectrum Health, Michigan State University College of Human Medicine, Grand Rapids, Michigan
| | - Kevin C Wilson
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts; and
- American Thoracic Society, New York, New York
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40
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Hukins C, Murphy M, Edwards T. Dose-response characteristics of noninvasive ventilation in acute respiratory failure. ERJ Open Res 2020; 6:00041-2019. [PMID: 31956655 PMCID: PMC6955438 DOI: 10.1183/23120541.00041-2019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 09/23/2019] [Indexed: 11/09/2022] Open
Abstract
Acute noninvasive ventilation (NIV) is a well-established therapy for acute respiratory failure but the dose–response characteristics of this therapy have not been defined. The aim of this study was to define this dose–response relationship. This study was a retrospective review of patients receiving NIV for acute respiratory failure in a tertiary hospital respiratory high-dependency unit between July 2012 and June 2017. Mask-on time (rather than the period that NIV was in use) as the “dose” was compared with hospital survival as the “response”. 654 patients were included, 594 (91%) with hypercapnic respiratory failure (HCRF). NIV was used for a median (interquartile range (IQR)) duration of 2.74 (1.51–4.73) days and median (IQR) mask-on time was 34 (18–60) h (56.1% (41.2–69.5%) of treatment time). There was evidence of a dose–response relationship in the HCRF group up to a ceiling of 24 h mask-on time, but not in the hypoxaemic respiratory failure (HRF) group. There was a difference in survival with as little as 2 h mask-on time (92% compared with 73%; p<0.001). Patients requiring NIV for 80–100% of therapy time had lower survival. We conclude that there is evidence of a dose–response relationship between cumulative NIV usage (mask-on time) and survival from as little as 2 h to a ceiling of ∼24 h in HCRF, but not in HRF. Acute NIV in respiratory failure has a dose–response effect on survival from as little as 2 h of therapyhttp://bit.ly/2okErQZ
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Affiliation(s)
- Craig Hukins
- Dept of Respiratory and Sleep Medicine, Princess Alexandra Hospital, Woolloongabba, Australia
| | - Michelle Murphy
- Dept of Respiratory and Sleep Medicine, Princess Alexandra Hospital, Woolloongabba, Australia
| | - Timothy Edwards
- Dept of Respiratory and Sleep Medicine, Princess Alexandra Hospital, Woolloongabba, Australia
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Chawla R, Dixit SB, Zirpe KG, Chaudhry D, Khilnani GC, Mehta Y, Khatib KI, Jagiasi BG, Chanchalani G, Mishra RC, Samavedam S, Govil D, Gupta S, Prayag S, Ramasubban S, Dobariya J, Marwah V, Sehgal I, Jog SA, Kulkarni AP. ISCCM Guidelines for the Use of Non-invasive Ventilation in Acute Respiratory Failure in Adult ICUs. Indian J Crit Care Med 2020; 24:S61-S81. [PMID: 32205957 PMCID: PMC7085817 DOI: 10.5005/jp-journals-10071-g23186] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
A. ACUTE HYPERCAPNIC RESPIRATORY FAILURE A1. Acute Exacerbation of COPD: Recommendations: NIV should be used in management of acute exacerbation of COPD in patients with acute or acute-on-chronic respiratory acidosis (pH = 7.25-7.35). (1A) NIV should be attempted in patients with acute exacerbation of COPD (pH <7.25 & PaCO2 ≥ 45) before initiating invasive mechanical ventilation (IMV) except in patients requiring immediate intubation. (2A). Lower the pH higher the chance of failure of NIV. (2B) NIV should not to be used routinely in normo- or mildly hyper-capneic patients with acute exacerbation of COPD, without acidosis (pH > 7.35). (2B) A2. NIV in ARF due to Chest wall deformities/Neuromuscular diseases: Recommendations: NIV may be used in patients of ARF due to chest wall deformity/Neuromuscular diseases. (PaCO2 ≥ 45) (UPP) A3. NIV in ARF due to Obesity hypoventilation syndrome (OHS): Recommendations: NIV may be used in AHRF in OHS patients when they present with acute hypercapnic or acute on chronic respiratory failure (pH 45). (3B) NIV/CPAP may be used in obese, hypercapnic patients with OHS and/or right heart failure in the absence of acidosis. (UPP) B. NIV IN ACUTE HYPOXEMIC RESPIRATORY FAILURE B1. NIV in Acute Cardiogenic Pulmonary Oedema: Recommendations: NIV is recommended in hospital patients with ARF, due to Cardiogenic pulmonary edema. (1A). NIV should be used in patients with acute heart failure/ cardiogenic pulmonary edema, right from emergency department itself. (1B) Both CPAP and BiPAP modes are safe and effective in patients with cardiogenic pulmonary edema. (1A). However, BPAP (NIV-PS) should be preferred in cardiogenic pulmonary edema with hypercapnia. (3A) B2. NIV in acute hypoxemic respiratory failure: Recommendations: NIV may be used over conventional oxygen therapy in mild early acute hypoxemic respiratory failure (P/F ratio <300 and >200 mmHg), under close supervision. (2B) We strongly recommend against a trial of NIV in patients with acute hypoxemic failure with P/F ratio <150. (2A) B3. NIV in ARF due to Chest Trauma: Recommendations: NIV may be used in traumatic flail chest along with adequate pain relief. (3B) B4. NIV in Immunocompromised Host: Recommendations: In Immunocompromised patients with early ARF, we may consider NIV over conventional oxygen. (2B). B5. NIV in Palliative Care: Recommendations: We strongly recommend use of NIV for reducing dyspnea in palliative care setting. (2A) B6. NIV in post-operative cases: Recommendations: NIV should be used in patients with post-operative acute respiratory failure. (2A) B6a. NIV in abdominal surgery: Recommendations: NIV may be used in patients with ARF following abdominal surgeries. (2A) B6b. NIV in bariatric surgery: Recommendations: NIV may be used in post-bariatric surgery patients with pre-existent OSA or OHS. (3A) B6c. NIV in Thoracic surgery: Recommendations: In cardiothoracic surgeries, use of NIV is recommended post operatively for acute respiratory failure to improve oxygenation and reduce chance of reintubation. (2A) NIV should not be used in patients undergoing esophageal surgery. (UPP) B6d. NIV in post lung transplant: Recommendations: NIV may be used for shortening weaning time and to avoid re-intubation following lung transplantation. (2B) B7. NIV during Procedures (ETI/Bronchoscopy/TEE/Endoscopy): Recommendations: NIV may be used for pre-oxygenation before intubation. (2B) NIV with appropriate interface may be used in patients of ARF during Bronchoscopy/Endoscopy to improve oxygenation. (3B) B8. NIV in Viral Pneumonitis ARDS: Recommendations: NIV cannot be considered as a treatment of choice for patients with acute respiratory failure with H1N1 pneumonia. However, it may be reasonable to use NIV in selected patients with single organ involvement, in a strictly controlled environment with close monitoring. (2B) B9. NIV and Acute exacerbation of Pulmonary Tuberculosis: Recommendations: Careful use of NIV in patients with acute Tuberculosis may be considered, with effective infection control precautions to prevent air-borne transmission. (3B) B10. NIV after planned extubation in high risk patients: Recommendation: We recommend that NIV may be used to wean high risk patients from invasive mechanical ventilation as it reduces re-intubation rate. (2B) B11. NIV for respiratory distress post extubation: Recommendations: We recommend that NIV therapy should not be used to manage respiratory distress post-extubation in high risk patients. (2B) C. APPLICATION OF NIV Recommendation: Choice of mode should be mainly decided by factors like disease etiology and severity, the breathing effort by the patient and the operator familiarity and experience. (UPP) We suggest using flow trigger over pressure triggering in assisted modes, as it provides better patient ventilator synchrony. Especially in COPD patients, flow triggering has been found to benefit auto PEEP. (3B) D. MANAGEMENT OF PATIENT ON NIV D1. Sedation: Recommendations: A non-pharmacological approach to calm the patient (Reassuring the patient, proper environment) should always be tried before administrating sedatives. (UPP) In patients on NIV, sedation may be used with extremely close monitoring and only in an ICU setting with lookout for signs of NIV failure. (UPP) E. EQUIPMENT Recommendations: We recommend that portable bilevel ventilators or specifically designed ICU ventilators with non-invasive mode should be used for delivering Non-invasive ventilation in critically ill patients. (UPP) Both critical care ventilators with leak compensation and bi-level ventilators have been equally effective in decreasing the WOB, RR, and PaCO2. (3B) Currently, Oronasal mask is the most preferred interface for non-invasive ventilation for acute respiratory failure. (3B) F. WEANING Recommendations: We recommend that weaning from NIV may be done by a standardized protocol driven approach of the unit. (2B) How to cite this article: Chawla R, Dixit SB, Zirpe KG, Chaudhry D, Khilnani GC, Mehta Y, et al. ISCCM Guidelines for the Use of Non-invasive Ventilation in Acute Respiratory Failure in Adult ICUs. Indian J Crit Care Med 2020;24(Suppl 1):S61-S81.
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Affiliation(s)
- Rajesh Chawla
- Department of Respiratory and Critical Care Medicine, Indraprastha Apollo Hospitals, New Delhi, India, , e-mail:
| | - Subhal B Dixit
- Department of Critical Care, Sanjeevan & MJM Hospital, Pune, Maharashtra, India, , 020-25531539 / 25539538, e-mail:
| | - Kapil Gangadhar Zirpe
- Department of Neurotrauma Unit, Ruby Hall Clinic, Pune, Maharashtra, India, , e-mail:
| | - Dhruva Chaudhry
- Department of Pulmonary and Critical Care Medicine, PGIMS, Rohtak, Haryana, India, , e-mail:
| | - G C Khilnani
- Department of PSRI Institute of Pulmonary, Critical Care and Sleep Medicine, PSRI Hospital, New Delhi, India, , e-mail:
| | - Yatin Mehta
- Department of Medanta Institute of Critical Care and Anesthesiology, Medanta The Medicity, Sector-38, Gurgaon-122001, Haryana, India, Extn. 3335, e-mail:
| | - Khalid Ismail Khatib
- Department of Medicine, SKN Medical College, Pune, Maharashtra, India, , e-mail:
| | - Bharat G Jagiasi
- Department of Critical Care, Reliance Hospital, Navi Mumbai, Maharashtra, India, , e-mail:
| | - Gunjan Chanchalani
- Department of Critical Care Medicine, Bhatia Hospital, Mumbai, Maharashtra, India, , e-mail:
| | - Rajesh C Mishra
- Department of Critical Care, Saneejivini Hospital, Vastrapur, Ahmedabad, Gujarat, India, , e-mail:
| | - Srinivas Samavedam
- Department of Critical Care, Virinchi Hospital, Hyderabad, Telangana, India, , e-mail:
| | - Deepak Govil
- Department of Critical Care, Medanta Hospital, The Medicity, Gurugram, Haryana, India, , e-mail:
| | - Sachin Gupta
- Department of Critical Care Medicine, Narayana Superspeciality Hospital, Gurugram, Haryana, India, , e-mail:
| | - Shirish Prayag
- Department of Critical Care, Prayag Hospital, Pune, Maharashtra, India, , e-mail:
| | - Suresh Ramasubban
- Department of Critical Care, Apollo Gleneagles Hospital Limited, Kolkata, India, , e-mail:
| | - Jayesh Dobariya
- Department of critical care, Synergy Hospital Rajkot, Rajkot, Gujarat, India, , e-mail:
| | - Vikas Marwah
- Department of Pulmonary, Critical Care and Sleep Medicine, Military Hospital (CTC), Pune, Maharashtra, India, , e-mail:
| | - Inder Sehgal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research, Sector 12, Chandigarh, India, , e-mail:
| | - Sameer Arvind Jog
- Department of Critical Care, Deenanath Mangeshkar Hospital, Pune, Maharashtra, India, , 91-9823018178, e-mail:
| | - Atul Prabhakar Kulkarni
- Department of Division of Critical Care Medicine, Department of Anaesthesia, Critical Care and Pain, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, Maharashtra, India, , e-mail:
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[The obese patient and acute respiratory failure, a challenge for intensive care]. Rev Mal Respir 2019; 36:971-984. [PMID: 31521432 DOI: 10.1016/j.rmr.2018.10.621] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Accepted: 10/16/2018] [Indexed: 11/24/2022]
Abstract
As a result of the constantly increasing epidemic of obesity, it has become a common problem in the intensive care unit. Morbid obesity has numerous consequences for the respiratory system. It affects both respiratory mechanics and pulmonary gas exchange, and dramatically impacts on the patient's management and outcome. With the potential for causing devastating respiratory complications, the particular anatomical and physiological characteristics of the respiratory system of the morbidly obese subject should be carefully taken into consideration. The present article reviews the management of obese patients in respiratory failure, from noninvasive ventilation to tracheostomy, including postural and technical issues, and explains the physiologically based ventilatory strategy both for NIV and invasive mechanical ventilation up to the weaning from the ventilatory support.
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Mokhlesi B, Masa JF, Brozek JL, Gurubhagavatula I, Murphy PB, Piper AJ, Tulaimat A, Afshar M, Balachandran JS, Dweik RA, Grunstein RR, Hart N, Kaw R, Lorenzi-Filho G, Pamidi S, Patel BK, Patil SP, Pépin JL, Soghier I, Tamae Kakazu M, Teodorescu M. Evaluation and Management of Obesity Hypoventilation Syndrome. An Official American Thoracic Society Clinical Practice Guideline. Am J Respir Crit Care Med 2019; 200:e6-e24. [PMID: 31368798 PMCID: PMC6680300 DOI: 10.1164/rccm.201905-1071st] [Citation(s) in RCA: 115] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background: The purpose of this guideline is to optimize evaluation and management of patients with obesity hypoventilation syndrome (OHS).Methods: A multidisciplinary panel identified and prioritized five clinical questions. The panel performed systematic reviews of available studies (up to July 2018) and followed the Grading of Recommendations, Assessment, Development, and Evaluation evidence-to-decision framework to develop recommendations. All panel members discussed and approved the recommendations.Recommendations: After considering the overall very low quality of the evidence, the panel made five conditional recommendations. We suggest that: 1) clinicians use a serum bicarbonate level <27 mmol/L to exclude the diagnosis of OHS in obese patients with sleep-disordered breathing when suspicion for OHS is not very high (<20%) but to measure arterial blood gases in patients strongly suspected of having OHS, 2) stable ambulatory patients with OHS receive positive airway pressure (PAP), 3) continuous positive airway pressure (CPAP) rather than noninvasive ventilation be offered as the first-line treatment to stable ambulatory patients with OHS and coexistent severe obstructive sleep apnea, 4) patients hospitalized with respiratory failure and suspected of having OHS be discharged with noninvasive ventilation until they undergo outpatient diagnostic procedures and PAP titration in the sleep laboratory (ideally within 2-3 mo), and 5) patients with OHS use weight-loss interventions that produce sustained weight loss of 25% to 30% of body weight to achieve resolution of OHS (which is more likely to be obtained with bariatric surgery).Conclusions: Clinicians may use these recommendations, on the basis of the best available evidence, to guide management and improve outcomes among patients with OHS.
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Masa JF, Mokhlesi B, Benítez I, Gomez de Terreros FJ, Sánchez-Quiroga MÁ, Romero A, Caballero-Eraso C, Terán-Santos J, Alonso-Álvarez ML, Troncoso MF, González M, López-Martín S, Marin JM, Martí S, Díaz-Cambriles T, Chiner E, Egea C, Barca J, Vázquez-Polo FJ, Negrín MA, Martel-Escobar M, Barbe F, Corral J. Long-term clinical effectiveness of continuous positive airway pressure therapy versus non-invasive ventilation therapy in patients with obesity hypoventilation syndrome: a multicentre, open-label, randomised controlled trial. Lancet 2019; 393:1721-1732. [PMID: 30935737 DOI: 10.1016/s0140-6736(18)32978-7] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 10/29/2018] [Accepted: 11/06/2018] [Indexed: 12/14/2022]
Abstract
BACKGROUND Obesity hypoventilation syndrome is commonly treated with continuous positive airway pressure or non-invasive ventilation during sleep. Non-invasive ventilation is more complex and costly than continuous positive airway pressure but might be advantageous because it provides ventilatory support. To date there have been no long-term trials comparing these treatment modalities. We therefore aimed to determine the long-term comparative effectiveness of both treatment modalities. METHODS We did a multicentre, open-label, randomised controlled trial at 16 clinical sites in Spain. We included patients aged 15-80 years with untreated obesity hypoventilation syndrome and an apnoea-hypopnoea index of 30 or more events per h. We randomly assigned patients, using simple randomisation through an electronic database, to receive treatment with either non-invasive ventilation or continuous positive airway pressure. Both investigators and patients were aware of the treatment allocation. The research team was not involved in deciding hospital treatment, duration of treatment in the hospital, and adjustment of medications, as well as adjudicating cardiovascular events or cause of mortality. Treating clinicians from the routine care team were not aware of the treatment allocation. The primary outcome was the number of hospitalisation days per year. The analysis was done according to the intention-to-treat principle. This study is registered with ClinicalTrials.gov, number NCT01405976. FINDINGS From May 4, 2009, to March 25, 2013, 100 patients were randomly assigned to the non-invasive ventilation group and 115 to the continuous positive airway pressure group, of which 97 patients in the non-invasive ventilation group and 107 in the continuous positive airway pressure group were included in the analysis. The median follow-up was 5·44 years (IQR 4·45-6·37) for all patients, 5·37 years (4·36-6·32) in the continuous positive airway pressure group, and 5·55 years (4·53-6·50) in the non-invasive ventilation group. The mean hospitalisation days per patient-year were 1·63 (SD 3·74) in the continuous positive airway pressure group and 1·44 (3·07) in the non-invasive ventilation group (adjusted rate ratio 0·78, 95% CI 0·34-1·77; p=0·561). Adverse events were similar between both groups. INTERPRETATION In stable patients with obesity hypoventilation syndrome and severe obstructive sleep apnoea, non-invasive ventilation and continuous positive airway pressure have similar long-term effectiveness. Given that continuous positive airway pressure has lower complexity and cost, continuous positive airway pressure might be the preferred first-line positive airway pressure treatment modality until more studies become available. FUNDING Instituto de Salud Carlos III, Spanish Respiratory Foundation, and Air Liquide Spain.
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Affiliation(s)
- Juan F Masa
- Respiratory Department, San Pedro de Alcántara Hospital, Cáceres, Spain; CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain; Instituto Universitario de Investigación Biosanitaria de Extremadura (INUBE), Cáceres, Spain.
| | - Babak Mokhlesi
- Department of Medicine, University of Chicago, Chicago, IL, USA
| | - Iván Benítez
- Respiratory Department, Institut de Recerca Biomédica de LLeida (IRBLLEIDA), Lleida, Spain; CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain
| | - Francisco Javier Gomez de Terreros
- Respiratory Department, San Pedro de Alcántara Hospital, Cáceres, Spain; CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain; Instituto Universitario de Investigación Biosanitaria de Extremadura (INUBE), Cáceres, Spain
| | - Maria Ángeles Sánchez-Quiroga
- Respiratory Department, Virgen del Puerto Hospital, Plasencia, Cáceres, Spain; CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain; Instituto Universitario de Investigación Biosanitaria de Extremadura (INUBE), Cáceres, Spain
| | - Auxiliadora Romero
- CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain; Unidad Médico-Quirúrgica de Enfermedades Respiratorias, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Sevilla, Spain
| | - Candela Caballero-Eraso
- CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain; Unidad Médico-Quirúrgica de Enfermedades Respiratorias, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Sevilla, Spain
| | - Joaquin Terán-Santos
- CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain; Respiratory Department, University Hospital, Burgos, Spain
| | - Maria Luz Alonso-Álvarez
- CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain; Respiratory Department, University Hospital, Burgos, Spain
| | - Maria F Troncoso
- CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain; Respiratory Department, IIS Fundación Jiménez Díaz, Madrid, Spain
| | - Mónica González
- Respiratory Department, Valdecilla Hospital, Santander, Spain
| | | | - José M Marin
- CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain; Respiratory Department, Miguel Servet Hospital, Zaragoza, Spain
| | - Sergi Martí
- CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain; Respiratory Department, Valld'Hebron Hospital, Barcelona, Spain
| | - Trinidad Díaz-Cambriles
- CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain; Respiratory Department, Doce de Octubre Hospital, Madrid, Spain
| | - Eusebi Chiner
- Respiratory Department, San Juan Hospital, Alicante, Spain
| | - Carlos Egea
- CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain; Respiratory Department, Alava University Hospital IRB, Vitoria, Spain
| | - Javier Barca
- Instituto Universitario de Investigación Biosanitaria de Extremadura (INUBE), Cáceres, Spain; Nursing Department, Extremadura University, Cáceres, Spain
| | | | - Miguel A Negrín
- Department of Quantitative Methods, Las Palmas de Gran Canarias University Canary Islands, Spain
| | - María Martel-Escobar
- Department of Quantitative Methods, Las Palmas de Gran Canarias University Canary Islands, Spain
| | - Ferran Barbe
- Respiratory Department, Institut de Recerca Biomédica de LLeida (IRBLLEIDA), Lleida, Spain; CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain
| | - Jaime Corral
- Respiratory Department, San Pedro de Alcántara Hospital, Cáceres, Spain; CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain; Instituto Universitario de Investigación Biosanitaria de Extremadura (INUBE), Cáceres, Spain
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Sunwoo BY. Obesity Hypoventilation: Pathophysiology, Diagnosis, and Treatment. CURRENT PULMONOLOGY REPORTS 2019. [DOI: 10.1007/s13665-019-0223-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Bonatti G, Robba C, Ball L, Silva PL, Rocco PRM, Pelosi P. Controversies when using mechanical ventilation in obese patients with and without acute distress respiratory syndrome. Expert Rev Respir Med 2019; 13:471-479. [PMID: 30919705 DOI: 10.1080/17476348.2019.1599285] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
INTRODUCTION As the prevalence of obesity increases, so does the number of obese patients undergoing surgical procedures and being admitted into intensive care units. Obesity per se is associated with reduced lung volume. The combination of general anaesthesia and supine positioning involved in most surgeries causes further reductions in lung volumes, thus resulting in alveolar collapse, decreased lung compliance, increased airway resistance, and hypoxemia. These complications can be amplified by common obesity-related comorbidities. In otherwise healthy obese patients, mechanical ventilation strategies should be optimised to prevent lung damage; in those with acute distress respiratory syndrome (ARDS), strategies should seek to mitigate further lung damage. Areas covered: This review discusses non-invasive and invasive mechanical ventilation strategies for surgical and critically ill adult obese patients with and without ARDS and proposes practical clinical insights to be implemented at bedside both in the operating theatre and in intensive care units. Expert opinion: Large multicentre trials on respiratory management of obese patients are required. Although the indication of lung protective ventilation with low tidal volume is apparently translated to obese patients, optimal PEEP level and recruitment manoeuvres remain controversial. The use of non-invasive respiratory support after extubation must be considered in individual cases.
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Affiliation(s)
- Giulia Bonatti
- a Department of Surgical Sciences and Integrated Diagnostics , University of Genoa , Genoa , Italy
| | - Chiara Robba
- b Department of Anaesthesiology and Intensive Care , San Martino Policlinico Hospital , Genoa , Italy
| | - Lorenzo Ball
- a Department of Surgical Sciences and Integrated Diagnostics , University of Genoa , Genoa , Italy
| | - Pedro Leme Silva
- c Laboratory of Pulmonary Investigation - Carlos Chagas Filho Institute of Biophysics , Federal University of Rio de Janeiro , Rio de Janeiro , Brazil.,d National Institute of Science and Technology for Regenerative Medicine , Rio de Janeiro , Brazil
| | - Patricia Rieken Macêdo Rocco
- c Laboratory of Pulmonary Investigation - Carlos Chagas Filho Institute of Biophysics , Federal University of Rio de Janeiro , Rio de Janeiro , Brazil.,d National Institute of Science and Technology for Regenerative Medicine , Rio de Janeiro , Brazil
| | - Paolo Pelosi
- a Department of Surgical Sciences and Integrated Diagnostics , University of Genoa , Genoa , Italy.,b Department of Anaesthesiology and Intensive Care , San Martino Policlinico Hospital , Genoa , Italy
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Masa JF, Pépin JL, Borel JC, Mokhlesi B, Murphy PB, Sánchez-Quiroga MÁ. Obesity hypoventilation syndrome. Eur Respir Rev 2019; 28:180097. [PMID: 30872398 PMCID: PMC9491327 DOI: 10.1183/16000617.0097-2018] [Citation(s) in RCA: 137] [Impact Index Per Article: 27.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 01/23/2019] [Indexed: 12/18/2022] Open
Abstract
Obesity hypoventilation syndrome (OHS) is defined as a combination of obesity (body mass index ≥30 kg·m-2), daytime hypercapnia (arterial carbon dioxide tension ≥45 mmHg) and sleep disordered breathing, after ruling out other disorders that may cause alveolar hypoventilation. OHS prevalence has been estimated to be ∼0.4% of the adult population. OHS is typically diagnosed during an episode of acute-on-chronic hypercapnic respiratory failure or when symptoms lead to pulmonary or sleep consultation in stable conditions. The diagnosis is firmly established after arterial blood gases and a sleep study. The presence of daytime hypercapnia is explained by several co-existing mechanisms such as obesity-related changes in the respiratory system, alterations in respiratory drive and breathing abnormalities during sleep. The most frequent comorbidities are metabolic and cardiovascular, mainly heart failure, coronary disease and pulmonary hypertension. Both continuous positive airway pressure (CPAP) and noninvasive ventilation (NIV) improve clinical symptoms, quality of life, gas exchange, and sleep disordered breathing. CPAP is considered the first-line treatment modality for OHS phenotype with concomitant severe obstructive sleep apnoea, whereas NIV is preferred in the minority of OHS patients with hypoventilation during sleep with no or milder forms of obstructive sleep apnoea (approximately <30% of OHS patients). Acute-on-chronic hypercapnic respiratory failure is habitually treated with NIV. Appropriate management of comorbidities including medications and rehabilitation programmes are key issues for improving prognosis.
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Affiliation(s)
- Juan F Masa
- San Pedro de Alcántara Hospital, Cáceres, Spain
- CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain
- Instituto Universitario de Investigación Biosanitaria de Extremadura (INUBE) , Cáceres, Spain
| | - Jean-Louis Pépin
- Université Grenoble Alpes, HP2, Inserm U1042, Grenoble, France
- CHU de Grenoble, Laboratoire EFCR, Pôle Thorax et Vaisseaux, Grenoble, France
| | - Jean-Christian Borel
- Université Grenoble Alpes, HP2, Inserm U1042, Grenoble, France
- AGIR à dom. Association, Meylan, France
| | | | - Patrick B Murphy
- Guy's & St Thomas' NHS Foundation Trust, London, UK
- Centre for Human & Applied Physiological Sciences King's College London, London, UK
| | - Maria Ángeles Sánchez-Quiroga
- CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain
- Instituto Universitario de Investigación Biosanitaria de Extremadura (INUBE) , Cáceres, Spain
- Virgen del Puerto Hospital, Cáceres, Spain
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Outcomes of Noninvasive Ventilation in Obese Patients With Acute Asthma Exacerbations. Am J Ther 2019; 25:e635-e641. [PMID: 30398994 DOI: 10.1097/mjt.0000000000000864] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND The role of noninvasive positive pressure ventilation (NIPPV) in acute asthma exacerbation is controversial. However, the outcome of NIPPV in obese patients with asthma during such exacerbation has not been well studied despite well-established relationship between obesity and asthma. STUDY QUESTION Does body mass index (BMI) play a role in the outcome of NIPPV during an acute exacerbation and does it predict of the success or failure of NIPPV? STUDY DESIGN The study was a retrospective analysis by design. The purpose of the study was to assess factors predicting the success or failure of NIPPV. The entire cohort was divided into 2 groups: patients who failed NIPPV and patients who did not. Univariate and multivariate regression analysis was used to predict the variables. Stepwise selection method was used to select variables for final regression model. RESULTS A total 96 patients were included in the study. Of those, 18 patients (18.9%) failed NIPPV and required endotracheal intubation (group 1). Rest (78.1%) did not fail NIPPV (group 2). Mean age of the study population was 48.8 years and 53% of patients were female. In the univariate analysis, the group that did not fail NIPPV (group 2) had significantly higher number of obese patients (47.9% versus 22.2%; P 0.013). Multivariate analysis showed significant association between BMI categories (BMI of 30 or more) and failure of NIPPV (odds ratio 0.26, 95% confidence interval, 0.08-0.85; P-value 0.017). Forced introduction of smoking status as a risk factor did not change the significance of association. CONCLUSION Despite the limitations of the study design and the sample size, our analysis showed that patients with high BMI (obese) fared well with NIPPV during acute asthma exacerbation. Because there are controversies on use of NIPPV during asthma exacerbation, larger-scale prospective studies are needed to better understand the role of NIPPV in obese patients with asthma during acute exacerbation.
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Schetz M, De Jong A, Deane AM, Druml W, Hemelaar P, Pelosi P, Pickkers P, Reintam-Blaser A, Roberts J, Sakr Y, Jaber S. Obesity in the critically ill: a narrative review. Intensive Care Med 2019; 45:757-769. [PMID: 30888440 DOI: 10.1007/s00134-019-05594-1] [Citation(s) in RCA: 256] [Impact Index Per Article: 51.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 03/05/2019] [Indexed: 11/24/2022]
Abstract
The World Health Organization defines overweight and obesity as the condition where excess or abnormal fat accumulation increases risks to health. The prevalence of obesity is increasing worldwide and is around 20% in ICU patients. Adipose tissue is highly metabolically active, and especially visceral adipose tissue has a deleterious adipocyte secretory profile resulting in insulin resistance and a chronic low-grade inflammatory and procoagulant state. Obesity is strongly linked with chronic diseases such as type 2 diabetes, hypertension, cardiovascular diseases, dyslipidemia, non-alcoholic fatty liver disease, chronic kidney disease, obstructive sleep apnea and hypoventilation syndrome, mood disorders and physical disabilities. In hospitalized and ICU patients and in patients with chronic illnesses, a J-shaped relationship between BMI and mortality has been demonstrated, with overweight and moderate obesity being protective compared with a normal BMI or more severe obesity (the still debated and incompletely understood "obesity paradox"). Despite this protective effect regarding mortality, in the setting of critical illness morbidity is adversely affected with increased risk of respiratory and cardiovascular complications, requiring adapted management. Obesity is associated with increased risk of AKI and infection, may require adapted drug dosing and nutrition and is associated with diagnostic and logistic challenges. In addition, negative attitudes toward obese patients (the social stigma of obesity) affect both health care workers and patients.
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Affiliation(s)
- Miet Schetz
- Division of Cellular and Molecular Medicine, Clinical Department and Laboratory of Intensive Care Medicine, KU Leuven University, Herestraat 49, 3000, Leuven, Belgium.
| | - Audrey De Jong
- Anesthesia and Critical Care Department (DAR-B), Saint Eloi, University of Montpellier, Research Unit: PhyMedExp, INSERM U-1046, CNRS, 34295, Montpellier Cedex 5, France
| | - Adam M Deane
- Department of Medicine and Radiology, Melbourne Medical School, Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC, Australia.,Department of Medicine (Royal Melbourne Hospital), University of Melbourne, Parkville, VIC, Australia
| | - Wilfried Druml
- Klinik für Innere Medizin III, Abteilung für Nephrologie, Allgemeines Krankenhaus Wien, Währinger Gürtel 18-20, 1090, Vienna, Austria
| | - Pleun Hemelaar
- Department of Intensive Care Medicine (710), Radboud University Medical Centre, Geert Grooteplein Zuid 10, P.O. Box 9101, 6500 HB, Nijmegen, The Netherlands
| | - Paolo Pelosi
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy.,Anesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neurosciences, Genoa, Genoa, Italy
| | - Peter Pickkers
- Department of Intensive Care Medicine (710), Radboud University Medical Centre, Geert Grooteplein Zuid 10, P.O. Box 9101, 6500 HB, Nijmegen, The Netherlands.,Radboud Center for Infectious Diseases, Nijmegen, The Netherlands
| | - Annika Reintam-Blaser
- Department of Intensive Care Medicine, Lucerne Cantonal Hospital, Lucerne, Switzerland.,Department of Anaesthesiology and Intensive Care, University of Tartu, Tartu, Estonia
| | - Jason Roberts
- University of Queensland Centre for Clinical Research, Faculty of Medicine, University of Queensland, Herston, Australia.,Centre for Translational Anti-infective Pharmacodynamics, School of Pharmacy, The University of Queensland, Woolloongabba, Australia.,Pharmacy Department, Royal Brisbane and Women's Hospital, Brisbane, Australia.,Departments of Intensive Care Medicine, Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - Yasser Sakr
- Department of Anesthesiology and Intensive Care, Uniklinikum Jena, Jena, Germany
| | - Samir Jaber
- Anesthesia and Critical Care Department (DAR-B), Saint Eloi, University of Montpellier, Research Unit: PhyMedExp, INSERM U-1046, CNRS, 34295, Montpellier Cedex 5, France
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Nicolini A, Ferrando M, Solidoro P, Di Marco F, Facchini F, Braido F. Non-invasive ventilation in acute respiratory failure of patients with obesity hypoventilation syndrome. Minerva Med 2019; 109:1-5. [PMID: 30642143 DOI: 10.23736/s0026-4806.18.05921-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
INTRODUCTION Non-invasive ventilation (NIV) has been used successfully for the management of acute respiratory failure (ARF) more often in the last two decades compared to prior decades. There are particular groups of patients that are more likely to benefit from NIV. One of these groups is patients with obesity hypoventilation syndrome (OHS). The aim of this review is to evalue the effectiveness of NIV in acute ARF. EVIDENCE ACQUISITION MEDLINE, EMBASE, CINHAIL, Cochrane Central Register of Controlled Trials, DARE, the Cochrane Database of Systematic Reviews, and the ACP Journal Club database were searched from January 2001 to December 2017. EVIDENCE SYNTHESIS More than 30% of them have been diagnosed when hospitalized for ARF. NIV rarely failed in reversing ARF. OHS patients who exhibited early NIV failure had a high severity score and a low HCO3 level at admission; more than half of hypercapnic patients with decompensated OHS exhibited a delayed but successful response to NIV. CONCLUSIONS Patients with decompensation of OHS have a better prognosis and response to NIV than other hypercapnic patients. They required more aggressive NIV settings, a longer time to reduce paCO2 levels, and showed more frequently a delayed but successful response to NIV.
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Affiliation(s)
- Antonello Nicolini
- Unit of Respiratory Diseases, Hospital of Sestri Levante, Sestri Levante, Italy -
| | - Matteo Ferrando
- Unit of Respiratory Diseases and Allergies, Department of Internal Medicine (DiMI), San Martino University Hospital, Genoa, Italy
| | - Paolo Solidoro
- Unit of Pneumology, Department of Cardiovascular and Thoracic Surgery, Molinette University Hospital, Città della Salute e della Scienza, Turin, Italy
| | | | - Fabrizio Facchini
- Department of Pulmonary Medicine, Valiant Clinic, Meraas HealthCare, Dubai, United Arab Emirates
| | - Fulvio Braido
- Unit of Respiratory Diseases and Allergies, Department of Internal Medicine (DiMI), San Martino University Hospital, Genoa, Italy
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