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Duiverman ML, Jesus F, Bladder G, Wijkstra PJ. Initiation of Chronic Non-invasive Ventilation. Sleep Med Clin 2024; 19:419-430. [PMID: 39095140 DOI: 10.1016/j.jsmc.2024.04.006] [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] [Indexed: 08/04/2024]
Abstract
Initiation of home non-invasive ventilation (NIV) requires careful consideration of the patient's condition, motivation, expectations, wishes, and social circumstances. The decision to start NIV depends on a combination of factors including patient symptoms and objective evidence of nocturnal hypoventilation. A solid understanding of the underlying pathophysiology is key to a systematic and well-balanced clinical approach to titrating NIV. The location where NIV is initiated is not the most relevant issue, provided that it is a comfortable, safe environment in which adequate monitoring can be assured. The majority of patients prefer their own home for treatment initiation.
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Affiliation(s)
- Marieke L Duiverman
- Department of Pulmonary Diseases/Home Mechanical Ventilation, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
| | - Filipa Jesus
- Department of Pulmonary Diseases/Home Mechanical Ventilation, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; Pulmonology Department, Unidade Local de Saúde da Guarda EPE, Rainha D. Amélia, s/n 6301-857 Guarda, Portugal
| | - Gerrie Bladder
- Department of Pulmonary Diseases/Home Mechanical Ventilation, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Peter J Wijkstra
- Department of Pulmonary Diseases/Home Mechanical Ventilation, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
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2
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Andrade RGS, Masa JF, Borel JC, Drager LF, Genta PR, Mokhlesi B, Lorenzi-Filho G. Impact of treating obesity hypoventilation syndrome on body mass index. Pulmonology 2023:S2531-0437(23)00170-8. [PMID: 37996386 DOI: 10.1016/j.pulmoe.2023.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 08/18/2023] [Accepted: 09/08/2023] [Indexed: 11/25/2023] Open
Abstract
STUDY OBJECTIVES To evaluate the impact of positive airway pressure (PAP) therapy on body mass index (BMI) in patients with obesity hypoventilation syndrome (OHS) associated with obstructive sleep apnea (OSA). METHODS A systematic review using the following terms: "obesity hypoventilation syndrome" AND "treatment" AND "randomized" using Cochrane Central Register of Controlled Trials, Medline and Web of Science was performed from the first data available until February 10, 2023. The inclusion criteria were: (1) original article; (2) adult OHS with concomitant OSA (apnea-hypopnea index or AHI ≥5 events/h); (3) randomized trial with PAP arm and standard care (control); (4) BMI evaluation at baseline and after the first months. We performed an individual participant data meta-analysis of randomized controlled trials. RESULTS Our initial search retrieved 32 articles and 3 randomized studies fulfilled study criteria and were included in the final analysis, leading to a total of 342 participants. Patients were predominantly females (62%) and had OHS associated with at least mild OSA. As compared to baseline, a decrease in BMI was observed at study endpoint but this difference was not different intergroups (-0.50 ± 1.49 and -0.50 ±1.83, in control and PAP groups respectively (p=0.939)). Weight change was not associate with PAP adherence, OSA severity or use of supplemental oxygen. CONCLUSIONS In contrast to treatment of eucapnic OSA with PAP that is associated with weight gain, treatment of OSA+OHS patients with or without PAP is associated with weight loss. Future studies are necessary to elucidate the mechanism by which weight loss occurs.
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Affiliation(s)
- R G S Andrade
- Sleep Laboratory from pneumology department of Heart Institute of University of São Paulo, São Paulo, Brazil
| | - J 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), Spain
| | - J-C Borel
- HP2 Laboratory, Grenoble Alpes University, Grenoble, France
| | - L F Drager
- Sleep Laboratory from pneumology department of Heart Institute of University of São Paulo, São Paulo, Brazil
| | - P R Genta
- Sleep Laboratory from pneumology department of Heart Institute of University of São Paulo, São Paulo, Brazil
| | - B Mokhlesi
- Division of Pulmonary, Critical Care and Sleep Medicine, Rush University Medical Center, Chicago, IL, USA
| | - G Lorenzi-Filho
- Sleep Laboratory from pneumology department of Heart Institute of University of São Paulo, São Paulo, Brazil.
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3
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Carlucci A, Patout M, Winck JC. Does one size fit all? An update on chronic ventilatory support in different respiratory illnesses. Breathe (Sheff) 2023; 19:230046. [PMID: 37492344 PMCID: PMC10365079 DOI: 10.1183/20734735.0046-2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 05/15/2023] [Indexed: 07/27/2023] Open
Abstract
Home noninvasive ventilation (HNIV) improves outcomes in different disease categories. In this article, we discuss indications for when and how to initiate HNIV in COPD, obesity hypoventilation syndrome (OHS) and neuromuscular disorders (NMD). While in COPD, significant diurnal hypercapnia and high-intensity HNIV are essential ingredients for success, in NMD and OHS, early respiratory changes are best detected during sleep through oxy-capnography associated (or not) with respiratory polygraphy. In COPD and OHS, it is crucial to consider the coexistence of obstructive sleep apnoea because treatment with continuous positive airway pressure may be the simplest and most effective treatment that should be proposed even in hypercapnic patients as first-line therapy. In NMD, the need for continuous HNIV and eventual switching to tracheostomy ventilation makes this group's management more challenging. Achieving successful HNIV by improving quality of sleep, quality of life and keeping a good adherence to the therapy is a challenge, above all in COPD patients. In OHS patients, on top of HNIV, initiation of other interventions such as weight loss management is crucial. More resources should be invested in improving all these aspects. Telemonitoring represents a promising method to improve titration and follow-up of HNIV.
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Affiliation(s)
- Annalisa Carlucci
- Dipartimento di Medicina e Chirurgia Malattie dell'Apparato Respiratorio, Università degli Studi dell'Insubria, Varese, Italy
- U.O. di Pneumologia Riabilitativa, Istituti Clinici Scientifici Maugeri, IRCCS Pavia, Pavia, Italy
| | - Maxime Patout
- AP-HP, Groupe Hospitalier Universitaire APHP-Sorbonne Université, site Pitié-Salpêtrière, Service des Pathologies du Sommeil (Département R3S), Paris, France
- Sorbonne Université, INSERM, UMRS1158 Neurophysiologie Respiratoire Expérimentale et Clinique, Paris, France
| | - João Carlos Winck
- Faculdade de Medicina da Universidade do Porto, Porto, Portugal
- Centro de Reabilitação do Norte, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
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4
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Luján M, Lalmolda C. Ventilators, Settings, Autotitration Algorithms. J Clin Med 2023; 12:jcm12082942. [PMID: 37109277 PMCID: PMC10141077 DOI: 10.3390/jcm12082942] [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: 02/28/2023] [Revised: 04/10/2023] [Accepted: 04/15/2023] [Indexed: 04/29/2023] Open
Abstract
The choice of a ventilator model for a single patient is usually based on parameters such as size (portability), presence or absence of battery and ventilatory modes. However, there are many details within each ventilator model about triggering, pressurisation or autotitration algorithms that may go unnoticed, but may be important or may justify some drawbacks that may occur during their use in individual patients. This review is intended to emphasize these differences. Guidance is also provided on the operation of autotitration algorithms, in which the ventilator is able to take decisions based on a measured or estimated parameter. It is important to know how they work and their potential sources of error. Current evidence on their use is also provided.
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Affiliation(s)
- Manel Luján
- Servei de Pneumologia, Hospital Universitari Parc Taulí, 08208 Sabadell, Spain
- Centro de Investigacion Biomédica en Red (CIBERES), 28029 Madrid, Spain
| | - Cristina Lalmolda
- Servei de Pneumologia, Hospital Universitari Parc Taulí, 08208 Sabadell, Spain
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5
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Macías Paredes A, Alvarez JM, Pérez N, Puy C, Peñacoba P, Segura M, Antón A. Controlled cycles in spontaneous-timed noninvasive ventilation: Incidence and associated factors. Respir Med 2022; 204:107005. [DOI: 10.1016/j.rmed.2022.107005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 09/19/2022] [Accepted: 09/26/2022] [Indexed: 10/31/2022]
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6
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Nair AS, Esquinas AM. Non-invasive positive pressure ventilation to prevent respiratory complications of severe tetanus- sedation and methodological insights. Int J Infect Dis 2022; 122:721. [PMID: 35817282 DOI: 10.1016/j.ijid.2022.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 07/02/2022] [Indexed: 10/17/2022] Open
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7
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Janssens JP, Cantero C, Pasquina P, Georges M, Rabec C. Monitoring Long Term Noninvasive Ventilation: Benefits, Caveats and Perspectives. Front Med (Lausanne) 2022; 9:874523. [PMID: 35665357 PMCID: PMC9160571 DOI: 10.3389/fmed.2022.874523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 04/26/2022] [Indexed: 12/03/2022] Open
Abstract
Long term noninvasive ventilation (LTNIV) is a recognized treatment for chronic hypercapnic respiratory failure (CHRF). COPD, obesity-hypoventilation syndrome, neuromuscular disorders, various restrictive disorders, and patients with sleep-disordered breathing are the major groups concerned. The purpose of this narrative review is to summarize current knowledge in the field of monitoring during home ventilation. LTNIV improves symptoms related to CHRF, diurnal and nocturnal blood gases, survival, and health-related quality of life. Initially, patients with LTNIV were most often followed through elective short in-hospital stays to ensure patient comfort, correction of daytime blood gases and nocturnal oxygenation, and control of nocturnal respiratory events. Because of the widespread use of LTNIV, elective in-hospital monitoring has become logistically problematic, time consuming, and costly. LTNIV devices presently have a built-in software which records compliance, leaks, tidal volume, minute ventilation, cycles triggered and cycled by the patient and provides detailed pressure and flow curves. Although the engineering behind this information is remarkable, the quality and reliability of certain signals may vary. Interpretation of the curves provided requires a certain level of training. Coupling ventilator software with nocturnal pulse oximetry or transcutaneous capnography performed at the patient's home can however provide important information and allow adjustments of ventilator settings thus potentially avoiding hospital admissions. Strategies have been described to combine different tools for optimal detection of an inefficient ventilation. Recent devices also allow adapting certain parameters at a distance (pressure support, expiratory positive airway pressure, back-up respiratory rate), thus allowing progressive changes in these settings for increased patient comfort and tolerance, and reducing the requirement for in-hospital titration. Because we live in a connected world, analyzing large groups of patients through treatment of “big data” will probably improve our knowledge of clinical pathways of our patients, and factors associated with treatment success or failure, adherence and efficacy. This approach provides a useful add-on to randomized controlled studies and allows generating hypotheses for better management of HMV.
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Affiliation(s)
- Jean-Paul Janssens
- Division of Pulmonary Diseases, Department of Medicine, Geneva University Hospitals, Geneva, Switzerland
- Hôpital de La Tour, Centre Cardio-Respiratoire, Geneva, Switzerland
- Faculty of Medicine, University of Geneva, Geneva, Switzerland
- *Correspondence: Jean-Paul Janssens
| | - Chloé Cantero
- Service de Pneumologie, Hôpital Pitié-Salpêtrière AP-HP – Sorbonne Université, Paris, France
| | - Patrick Pasquina
- Division of Pulmonary Diseases, Department of Medicine, Geneva University Hospitals, Geneva, Switzerland
| | - Marjolaine Georges
- Pulmonary Department and Respiratory Critical Care Unit, University Hospital Dijon, Dijon, France
| | - Claudio Rabec
- Pulmonary Department and Respiratory Critical Care Unit, University Hospital Dijon, Dijon, France
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8
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Acute effects of noninvasive ventilation on sleep physiology in patients with moderate to severe stable chronic obstructive pulmonary disease: a pilot study. Sleep Med 2021; 80:118-125. [PMID: 33596525 DOI: 10.1016/j.sleep.2021.01.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 12/03/2020] [Accepted: 01/26/2021] [Indexed: 11/23/2022]
Abstract
OBJECTIVE/BACKGROUND Changes in sleep architecture in patients with Chronic Obstructive Pulmonary Disease (COPD) can be explained by a combination of physiological changes in breathing during sleep, with impairment of respiratory mechanics and reduction of arterial oxygenation. This study aimed to evaluate the acute effects of noninvasive ventilation (NIV) - compared to spontaneous breathing - on sleep latency and stages, and on the occurrence of sleep-related respiratory events, nocturnal hypoxemia, and changes in heart rate (HR) in patients with moderate to severe stable COPD. PATIENTS/METHODS Patients completed two polysomnography (PSG) studies: one during spontaneous breathing and one while receiving NIV in bilevel mode and with backup respiratory rate (RR.) setting. Sleepware G3 software was used for the analysis of PSG and pressure, volume, and ventilator flow curves × time. RESULTS Participants were 10 female patients with a mean age of 68.1 ± 10.2 years. NIV during sleep decreased sleep onset latency (17 ± 18.8 min vs 46.8 ± 39.5 min; p = 0.02), increased REM sleep time (41.2 ± 24.7 min vs 19.7 ± 21.7 min; p = 0.03), and decreased the obstructive apnea index (OAI) (0 vs 8.7 ± 18.8; p = 0.01). Lower mean HR (66.6 ± 4.1 bpm vs 70.6 ± 5.9 bpm; p = 0.03) and lower maximum HR (84.1 ± 7.3 bpm vs 91.6 ± 7.8 bpm; p = 0.03) were observed in PSG with NIV. CONCLUSIONS The use of NIV in patients with moderate to severe stable COPD while they were sleeping increased REM sleep time and decreased sleep onset latency, the number of obstructive respiratory events, and the mean and maximum HR.
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9
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Selim B, Ramar K. Sleep-Related Breathing Disorders: When CPAP Is Not Enough. Neurotherapeutics 2021; 18:81-90. [PMID: 33150546 PMCID: PMC8116389 DOI: 10.1007/s13311-020-00955-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/19/2020] [Indexed: 02/07/2023] Open
Abstract
Three decades ago, continuous positive airway pressure (CPAP) was introduced to treat obstructive sleep apnea (OSA). Shortly after, bilevel positive airway pressure devices (BPAP) that independently adjusted inspiratory and expiratory positive airway pressure were developed to treat complex sleep-related breathing disorders unresponsive to CPAP. Based on the bilevel positive airway pressure platform (hardware) governed by propriety algorithms (software), advanced modes of noninvasive ventilation (NIV) were developed to address complex cardiorespiratory pathophysiology beyond OSA. This review summarizes key aspects of different bilevel PAP therapies (BPAP with/without backup rate, adaptive servoventilation, and volume-assured pressure support) to treat common sleep-related hypoventilation disorders, treatment-emergent central sleep apnea, and central sleep apnea syndromes.
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Affiliation(s)
- Bernardo Selim
- Pulmonary and Critical Care Division, Center for Sleep Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
| | - Kannan Ramar
- Pulmonary and Critical Care Division, Center for Sleep Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
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10
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Janssens JP, Michel F, Schwarz EI, Prella M, Bloch K, Adler D, Brill AK, Geenens A, Karrer W, Ogna A, Ott S, Rüdiger J, Schoch OD, Soler M, Strobel W, Uldry C, Gex G. Long-Term Mechanical Ventilation: Recommendations of the Swiss Society of Pulmonology. Respiration 2020; 99:1-36. [PMID: 33302274 DOI: 10.1159/000510086] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 07/09/2020] [Indexed: 12/12/2022] Open
Abstract
Long-term mechanical ventilation is a well-established treatment for chronic hypercapnic respiratory failure (CHRF). It is aimed at improving CHRF-related symptoms, health-related quality of life, survival, and decreasing hospital admissions. In Switzerland, long-term mechanical ventilation has been increasingly used since the 1980s in hospital and home care settings. Over the years, its application has considerably expanded with accumulating evidence of beneficial effects in a broad range of conditions associated with CHRF. Most frequent indications for long-term mechanical ventilation are chronic obstructive pulmonary disease, obesity hypoventilation syndrome, neuromuscular and chest wall diseases. In the current consensus document, the Special Interest Group of the Swiss Society of Pulmonology reviews the most recent scientific literature on long-term mechanical ventilation and provides recommendations adapted to the particular setting of the Swiss healthcare system with a focus on the practice of non-invasive and invasive home ventilation in adults.
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Affiliation(s)
- Jean-Paul Janssens
- Division of Pulmonary Diseases, Geneva University Hospitals, Geneva, Switzerland,
| | - Franz Michel
- Klinik für Neurorehabilitation und Paraplegiologie, Basel, Switzerland
| | - Esther Irene Schwarz
- Department of Pulmonology and Sleep Disorders Centre, University Hospital of Zurich, Zurich, Switzerland
| | - Maura Prella
- Division of Pulmonary Diseases, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Konrad Bloch
- Department of Pulmonology and Sleep Disorders Centre, University Hospital of Zurich, Zurich, Switzerland
| | - Dan Adler
- Division of Pulmonary Diseases, Geneva University Hospitals, Geneva, Switzerland
| | | | - Aurore Geenens
- Pulmonary League of the Canton of Vaud, Lausanne, Switzerland
| | | | - Adam Ogna
- Respiratory Medicine Service, Locarno Regional Hospital, Locarno, Switzerland
| | - Sebastien Ott
- Universitätsklinik für Pneumologie, Universitätsspital (Inselspital) und Universität, Bern, Switzerland
- Division of Pulmonary Diseases, St. Claraspital, Basel, Switzerland
| | - Jochen Rüdiger
- Division of Pulmonary and Sleep Medicine, Medizin Stollturm, Münchenstein, Switzerland
| | - Otto D Schoch
- Division of Pulmonary Diseases, Kantonsspital St. Gallen, St. Gallen, Switzerland
| | - Markus Soler
- Division of Pulmonary Diseases, St. Claraspital, Basel, Switzerland
| | - Werner Strobel
- Division of Pulmonary Diseases, Universitätsspital Basel, Basel, Switzerland
| | - Christophe Uldry
- Division of Pulmonary Diseases and Pulmonary Rehabilitation Center, Rolle Hospital, Rolle, Switzerland
| | - Grégoire Gex
- Division of Pulmonary Diseases, Geneva University Hospitals, Geneva, Switzerland
- Division of Pulmonary Diseases, Hôpital du Valais, Sion, Switzerland
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11
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Perioperative Care and Medication-related Hypoventilation. Sleep Med Clin 2020; 15:471-483. [PMID: 33131658 DOI: 10.1016/j.jsmc.2020.08.008] [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: 11/20/2022]
Abstract
Cumulative evidence supports the association of adverse postoperative outcomes with obstructive sleep apnea (OSA) and obesity hypoventilation syndrome (OHS). Although current guidelines recommend preoperative screening for OSA and OHS, the best perioperative management pathways remain unknown. Interventions attempting to prevent complications in the postoperative period largely are consensus based and focused on enhanced monitoring, conservative measures, and specific OSA therapies, such as positive airway pressure. Until further research is available to improve the quality and strength of these recommendations, patients with known or suspected OSA and OHS should be considered at higher risk for perioperative cardiopulmonary complications.
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12
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Iftikhar IH, Greer M, Wigger GW, Collop NA. A network meta-analysis of different positive airway pressure interventions in obesity hypoventilation syndrome. J Sleep Res 2020; 30:e13158. [PMID: 32789956 DOI: 10.1111/jsr.13158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/27/2020] [Accepted: 06/15/2020] [Indexed: 11/28/2022]
Abstract
Continuous positive airway pressure (CPAP) and different types of non-invasive ventilation (NIV) have been studied in obesity hypoventilation syndrome such as bi-level PAP with back-up rate (BPAP-BUR), BPAP without BUR, and the new hybrid devices that target a pre-set volume by adjustment of pressure support (VT-PS). Although several studies have compared one PAP intervention with the other, none has compared all four in a head-to-head design, which formed the basis of this network meta-analysis. PubMed and Web of Science were searched for potentially includable randomised active comparator trials. Changes in partial pressure of carbon dioxide (PaCO2 ) and Epworth Sleepiness Score (ESS) were the primary outcomes of interest. Network meta-analysis was done in R program using the 'frequentist' framework. A total of seven trials were included. Only VT-PS and BPAP-BUR showed statistically significant reductions in PaCO2 compared to control, with no significant inter-PAP differences except for the comparison between VT-PS and CPAP. Only VT-PS showed a statistically significant improvement in ESS as compared to control, with no other significant inter-PAP differences. P-score ranking (based on effect size and standard errors) and Hasse diagram ranked VT-PS and BPAP as superior to other PAPs for both primary outcomes. There were no significant differences between the different PAP interventions for hospital or emergency department admissions. The results of this network meta-analysis suggest superiority of VT-PS and BPAP over other PAP interventions at least for daytime hypercapnia and subjective daytime somnolence.
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Affiliation(s)
- Imran H Iftikhar
- Emory University Department of Medicine, Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Emory University School of Medicine, Atlanta, GA, USA
| | - Meredith Greer
- Emory University Department of Medicine, Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Emory University School of Medicine, Atlanta, GA, USA
| | - Gregory W Wigger
- Emory University Department of Medicine, Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Emory University School of Medicine, Atlanta, GA, USA
| | - Nancy A Collop
- Emory University Department of Medicine, Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Emory University School of Medicine, Atlanta, GA, USA
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13
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Pinzon D, Galetke W. [Sleep in the intensive care unit]. SOMNOLOGIE 2020; 24:16-20. [PMID: 32431564 PMCID: PMC7222097 DOI: 10.1007/s11818-020-00246-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 02/25/2020] [Indexed: 11/03/2022]
Abstract
Zahlreiche Patienten werden täglich auf Intensivstationen behandelt, häufig über einen längeren Zeitraum. Der Schlaf spielt eine nicht zu unterschätzende Rolle für diese Patienten. Schlafstörungen sind ein relevantes Problem für Intensivpatienten. Sie führen zu einer höheren Prävalenz eines Delirs bei diesen Patienten und somit zu einer längeren Verweildauer auf der Intensivstation und zu einer höheren Mortalität. Dieser Artikel versucht die Ursachen von Schlafstörungen in der Intensivmedizin und mögliche Strategien zur Vermeidung von Schlafstörungen aufzuzeigen.
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Affiliation(s)
- Daniel Pinzon
- Klinik für Pneumologie, VAMED Klinik Hagen Ambrock, Ambrocker Weg 60, 58091 Hagen, Deutschland
| | - Wolfgang Galetke
- Klinik für Pneumologie, VAMED Klinik Hagen Ambrock, Ambrocker Weg 60, 58091 Hagen, Deutschland
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14
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Arnal JM, Thevenin CP, Couzinou B, Texereau J, Garnero A. Setting up home noninvasive ventilation. Chron Respir Dis 2019; 16:1479973119844090. [PMID: 31177830 PMCID: PMC6558539 DOI: 10.1177/1479973119844090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Home noninvasive ventilation (NIV) is widely used to correct nocturnal alveolar
hypoventilation in patients with chronic respiratory failure of various
etiologies. The most commonly used ventilation mode is pressure support with a
backup respiratory rate. This mode requires six main settings, as well as some
additional settings that should be adjusted according to the individual patient.
This review details the effect of each setting, how the settings should be
adjusted according to each patient, and the risks if they are not adjusted
correctly. The examples described here are based on real patient cases and bench
simulations. Optimizing the settings for home NIV may improve the quality and
tolerance of the treatment.
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Affiliation(s)
- Jean-Michel Arnal
- 1 Service de Réanimation Polyvalente, Hôpital Sainte Musse, Toulon, France
| | | | | | - Joelle Texereau
- 3 VitalAire France, Air Liquide HealthCare, Gentilly, France
| | - Aude Garnero
- 1 Service de Réanimation Polyvalente, Hôpital Sainte Musse, Toulon, France
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15
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Murphy PB, Suh ES, Hart N. Non-invasive ventilation for obese patients with chronic respiratory failure: Are two pressures always better than one? Respirology 2019; 24:952-961. [PMID: 31121638 DOI: 10.1111/resp.13588] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 04/10/2019] [Accepted: 05/02/2019] [Indexed: 01/02/2023]
Abstract
Obesity-related respiratory failure is increasingly common but remains under-diagnosed and under-treated. There are several clinical phenotypes reported, including severe obstructive sleep apnoea (OSA), isolated nocturnal hypoventilation with or without severe OSA and OSA complicating chronic obstructive pulmonary disease (COPD). The presence of hypercapnic respiratory failure is associated with poor clinical outcomes in each of these groups. While weight loss is a core aim of management, this is often unachievable, and treatment of sleep-disordered breathing with positive airway pressure (PAP) therapy is the mainstay of clinical practice. Although there are few long-term clinical efficacy trials, the lack of equipoise would prevent the utilization of an untreated control group. The current data support the use of PAP therapy to improve respiratory failure and is associated with improvements in health-related quality of life, reduced healthcare utilization and reduced mortality. Both continuous PAP (CPAP) and non-invasive ventilation (NIV) appear safe and effective in patients with obesity-related respiratory failure and OSA, with or without COPD, and the current evidence would not support a single therapy choice in all patients. There are no studies of CPAP in patients with isolated nocturnal hypoventilation, and NIV would be the current recommendation in this patient group. Whichever starting therapy is used, titration should be performed to correct sleep-disordered breathing and reverse chronic respiratory failure, with consideration of step-down of the treatment based on a clinical re-evaluation. In contrast, failure to reach physiological and clinical treatment targets should lead to the consideration of treatment escalation.
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Affiliation(s)
- Patrick B Murphy
- Lane Fox Respiratory Service, Guy's and St Thomas' NHS Foundation Trust, London, UK.,Centre for Human and Applied Physiological Sciences, King's College London, London, UK
| | - Eui-Sik Suh
- Lane Fox Respiratory Service, Guy's and St Thomas' NHS Foundation Trust, London, UK.,Centre for Human and Applied Physiological Sciences, King's College London, London, UK
| | - Nicholas Hart
- Lane Fox Respiratory Service, Guy's and St Thomas' NHS Foundation Trust, London, UK.,Centre for Human and Applied Physiological Sciences, King's College London, London, UK
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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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Royer CP, Schweiger C, Manica D, Rabaioli L, Guerra V, Sbruzzi G. Efficacy of bilevel ventilatory support in the treatment of stable patients with obesity hypoventilation syndrome: systematic review and meta-analysis. Sleep Med 2018; 53:153-164. [PMID: 30529484 DOI: 10.1016/j.sleep.2018.09.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 08/20/2018] [Accepted: 09/19/2018] [Indexed: 12/16/2022]
Abstract
OBJECTIVE To systematically review the effects of bilevel ventilatory support (BVS) in patients with Obesity Hypoventilation Syndrome (OHS). METHODS A search of databases (MEDLINE accessed by PubMed, Cochrane CENTRAL, EMBASE and LILACS) was conducted from inception to June 2018. Randomized trials comparing BVS to other therapeutic modalities such as lifestyle counseling, continuous positive airway pressure (PAP) or BVS with average volume assured pressure support for the treatment of patients with OHS were included. The primary outcome was a change in daytime arterial carbon dioxide levels (PaCO2). Secondary outcome measures included arterial partial pressure of oxygen (PaO2), blood bicarbonate (HCO3), percentage of total sleep time (TST) with oxygen saturation <90%, transcutaneous pressure of carbon dioxide (PtcCO2), Epworth Sleepiness Scale (ESS), Medical Outcome Survey Short Form (SF36), Functional Outcomes of Sleep Questionnaire (FOSQ), Severe Respiratory Insufficiency Questionnaire (SRI), compliance with treatment, and weight loss. RESULTS Of 176 articles identified, seven studies were included. When BVS was compared to lifestyle counseling, the intervention was superior in improving PaCO2 (-2.90 mmHg; 95%CI -4.28 to -1.52), PaO2 (2.89 mmHg; 95%CI 0.33 to 5.46), HCO3 (-2.55 mmol/L; 95%CI -3.28 to -1.81), percentage of TST<90% (-30.55%; 95%CI -37.98 to -23.12), ESS (-2.52; 95%CI -4.16 to -0.88) and FOSQ (6.33; 95%CI 1.78 to 10.88). However, when BVS was compared to other PAP modalities, there was no difference in any of the outcomes evaluated. CONCLUSIONS Treatment using BVS therapy is superior to lifestyle counseling. Different PAP modalities appear to be equally effective in improving outcomes. CRD42017065326.
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Affiliation(s)
- Caroline Persch Royer
- Postgraduate Program in Pneumological Sciences, Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos, 2400/2 Andar, Porto Alegre, RS, CEP 90035-003, Brazil; Medicine School, Universidade Federal do Rio Grande do Sul: Rua Ramiro Barcelos, 2400/2 Andar, Porto Alegre, RS, CEP 90035-003, Brazil.
| | - Cláudia Schweiger
- Hospital de Clínicas de Porto Alegre, Rua Ramiro Barcelos, 2350, Porto Alegre, RS, CEP 90035-903, Brazil.
| | - Denise Manica
- Hospital de Clínicas de Porto Alegre, Rua Ramiro Barcelos, 2350, Porto Alegre, RS, CEP 90035-903, Brazil.
| | - Luisi Rabaioli
- Hospital de Clínicas de Porto Alegre, Rua Ramiro Barcelos, 2350, Porto Alegre, RS, CEP 90035-903, Brazil.
| | - Vinicius Guerra
- Postgraduate Program in Pneumological Sciences, Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos, 2400/2 Andar, Porto Alegre, RS, CEP 90035-003, Brazil; Medicine School, Universidade Federal do Rio Grande do Sul: Rua Ramiro Barcelos, 2400/2 Andar, Porto Alegre, RS, CEP 90035-003, Brazil.
| | - Graciele Sbruzzi
- Postgraduate Program in Pneumological Sciences, Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos, 2400/2 Andar, Porto Alegre, RS, CEP 90035-003, Brazil; Hospital de Clínicas de Porto Alegre, Rua Ramiro Barcelos, 2350, Porto Alegre, RS, CEP 90035-903, Brazil.
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Guan L, Wu W, Huo Y, Li X, Guo B, Yang Y, Xu J, Jiang F, Zhou L, Chen R. Efficacy of bilevel positive airway pressure and continuous positive airway pressure therapy in patients with obesity hypoventilation syndrome: protocol for systematic review and meta-analysis. BMJ Open 2018; 8:e020832. [PMID: 29724743 PMCID: PMC5942402 DOI: 10.1136/bmjopen-2017-020832] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
INTRODUCTION Obesity hypoventilation syndrome (OHS) is a major respiratory complication caused by severe obesity, being associated with significant morbidity, negative impacts on quality of life and reduced survival if not treated appropriately. Positive airway pressure therapy is the first-line treatment for OHS although the optimal modality remains unclear. The goal of this study is to identify the efficacy of home bilevel positive airway pressure therapy by comparison to continuous positive airway pressure therapy and determine the best strategy for patients with OHS. METHODS AND ANALYSIS This study will be conducted following the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols 2015 statement. We will search the following databases: PubMed, Web of Science, EMBASE, Cochrane Central Register of Controlled Trials and CINAHL. Ongoing studies will be identified through the ClinicalTrials.gov and WHO International Clinical Trials Registry Platform Search Portal. Grey literature will be recognised through Google Scholar and other search engines. Only randomised controlled trials meeting the eligibility criteria will be included. The risk of bias of the included studies will be evaluated through the Cochrane Collaboration's tool. RevMan V.5.3.5 software will be used for data analysis. The Q statistic and I2 index will be used for investigating heterogeneity, and subgroup analysis or sensitivity analysis will be used to explore the source of heterogeneity. In addition, the Grading of Recommendations Assessment, Development and Evaluation system will be used to inspect the quality of evidence. ETHICS AND DISSEMINATION Ethics approval is not required because this study contains no primary data collected from humans. This systematic review and meta-analysis will be submitted to a peer-reviewed journal for publication. PROSPERO REGISTRATION NUMBER CRD42017078369.
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Affiliation(s)
- Lili Guan
- State Key Laboratory of Respiratory Disease, Department of Respiratory Medicine, Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Weiliang Wu
- State Key Laboratory of Respiratory Disease, Department of Respiratory Medicine, Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yating Huo
- State Key Laboratory of Respiratory Disease, Department of Respiratory Medicine, Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xiaoying Li
- Department of Respiratory Medicine, The First Affiliated Hospital/School of Clinical Medicine of Guangdong Pharmaceutical University, Guangzhou, China
| | - Bingpeng Guo
- State Key Laboratory of Respiratory Disease, Department of Respiratory Medicine, Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yuqiong Yang
- State Key Laboratory of Respiratory Disease, Department of Respiratory Medicine, Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jiawen Xu
- State Key Laboratory of Respiratory Disease, Department of Respiratory Medicine, Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Fangfang Jiang
- State Key Laboratory of Respiratory Disease, Department of Respiratory Medicine, Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Luqian Zhou
- State Key Laboratory of Respiratory Disease, Department of Respiratory Medicine, Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Rongchang Chen
- State Key Laboratory of Respiratory Disease, Department of Respiratory Medicine, Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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Comment régler un ventilateur de domicile ? Rev Mal Respir 2018; 35:574-577. [DOI: 10.1016/j.rmr.2017.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 04/08/2017] [Indexed: 11/17/2022]
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Türk M, Aydoğdu M, Gürsel G. Effects of Modes, Obesity, and Body Position on Non-invasive Positive Pressure Ventilation Success in the Intensive Care Unit: A Randomized Controlled Study. Turk Thorac J 2018; 19:28-35. [PMID: 29404183 DOI: 10.5152/turkthoracj.2017.17036] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Accepted: 09/07/2017] [Indexed: 12/16/2022]
Abstract
OBJECTIVES Different outcomes and success rates of non-invasive positive pressure ventilation (NPPV) in patients with acute hypercapnic respiratory failure (AHRF) still pose a significant problem in intensive care units. Previous studies investigating different modes, body positioning, and obesity-associated hypoventilation in patients with chronic respiratory failure showed that these factors may affect ventilator mechanics to achieve a better minute ventilation. This study tried to compare pressure support (BiPAP-S) and average volume targeted pressure support (AVAPS-S) modes in patients with acute or acute-on-chronic hypercapnic respiratory failure. In addition, short-term effects of body position and obesity within both modes were analyzed. MATERIAL and METHODS We conducted a randomized controlled study in a 7-bed intensive care unit. The course of blood gas analysis and differences in ventilation variables were compared between BiPAP-S (n=33) and AVAPS-S (n=29), and between semi-recumbent and lateral positions in both modes. RESULTS No difference was found in the length of hospital stay and the course of PaCO2, pH, and HCO3 levels between the modes. There was a mean reduction of 5.7±4.1 mmHg in the PaCO2 levels in the AVAPS-S mode, and 2.7±2.3 mmHg in the BiPAP-S mode per session (p<0.05). Obesity didn't have any effect on the course of PaCO2 in both the modes. Body positioning had no notable effect in both modes. CONCLUSION Although the decrease in the PaCO2 levels in the AVAPS-S mode per session was remarkably high, the course was similar in both modes. Furthermore, obesity and body positioning had no prominent effect on the PaCO2 response and ventilator mechanics. Post hoc power analysis showed that the sample size was not adequate to detect a significant difference between the modes.
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Affiliation(s)
- Murat Türk
- Department of Pulmonary Critical Care Medicine, Gazi University School of Medicine, Ankara, Turkey.,Department of Chest Diseases, Erciyes University School of Medicine, Kayseri, Turkey
| | - Müge Aydoğdu
- Department of Pulmonary Critical Care Medicine, Gazi University School of Medicine, Ankara, Turkey
| | - Gül Gürsel
- Department of Pulmonary Critical Care Medicine, Gazi University School of Medicine, Ankara, Turkey
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Selim BJ, Wolfe L, Coleman JM, Dewan NA. Initiation of Noninvasive Ventilation for Sleep Related Hypoventilation Disorders. Chest 2018; 153:251-265. [DOI: 10.1016/j.chest.2017.06.036] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 05/27/2017] [Accepted: 06/01/2017] [Indexed: 12/11/2022] Open
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Pépin JL, Timsit JF, Tamisier R, Borel JC, Lévy P, Jaber S. Prevention and care of respiratory failure in obese patients. THE LANCET RESPIRATORY MEDICINE 2017; 4:407-18. [PMID: 27304558 DOI: 10.1016/s2213-2600(16)00054-0] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Revised: 01/25/2016] [Accepted: 01/28/2016] [Indexed: 12/14/2022]
Abstract
With the increase in the global prevalence of obesity, there is a parallel rise in the proportion of obese patients admitted to intensive care units, referred for major surgery or requiring long-term non-invasive ventilation (NIV) at home for chronic respiratory failure. We describe the physiological effect of obesity on the respiratory system mainly in terms of respiratory mechanics, respiratory drive, and patency of the upper airways. Particular attention is given to the prevention and the clinical management of respiratory failure in obese patients with a main focus on invasive and NIV in intensive care during the perioperative period and long-term use of NIV on return home. We also address other aspects of care of obese patients, including antibiotic dosing and catheter-related infections.
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Affiliation(s)
- Jean Louis Pépin
- HP2 Laboratory, INSERM U1042, Grenoble Alpes University, Grenoble, France; EFCR Laboratory, Thorax and Vessels Division, Grenoble Alpes University Hospital, Grenoble, France.
| | - Jean François Timsit
- IAME, INSERM UMR 1137, Paris Diderot University, Paris, France; Medical and Infectious Diseases Intensive Care Unit, Paris Diderot University and Bichat Hospital, Paris, France
| | - Renaud Tamisier
- HP2 Laboratory, INSERM U1042, Grenoble Alpes University, Grenoble, France; EFCR Laboratory, Thorax and Vessels Division, Grenoble Alpes University Hospital, Grenoble, France
| | - Jean Christian Borel
- HP2 Laboratory, INSERM U1042, Grenoble Alpes University, Grenoble, France; EFCR Laboratory, Thorax and Vessels Division, Grenoble Alpes University Hospital, Grenoble, France
| | - Patrick Lévy
- HP2 Laboratory, INSERM U1042, Grenoble Alpes University, Grenoble, France; EFCR Laboratory, Thorax and Vessels Division, Grenoble Alpes University Hospital, Grenoble, France
| | - Samir Jaber
- Intensive Care Unit, Department of Anesthesia and Critical Care Medicine, University of Montpellier, Saint Eloi Teaching Hospital, Montpellier, France; Centre National de la Recherche Scientifique (CNRS 9214), Institut National de la Santé et de la Recherche Medicale (INSERM U-1046), Montpellier University, Montpellier, France
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Piper AJ, BaHammam AS, Javaheri S. Obesity Hypoventilation Syndrome: Choosing the Appropriate Treatment of a Heterogeneous Disorder. Sleep Med Clin 2017; 12:587-596. [PMID: 29108613 DOI: 10.1016/j.jsmc.2017.07.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The obesity hypoventilation syndrome (OHS) is associated with significant morbidity and increased mortality compared with simple obesity and eucapnic obstructive sleep apnea. Accurate diagnosis and commencement of early and appropriate management is fundamental in reducing the significant personal and societal burdens this disorder poses. Sleep disordered breathing is a major contributor to the developmental of sleep and awake hypercapnia, which characterizes OHS, and is effectively addressed through the use of positive airway pressure (PAP) therapy. This article reviews the current evidence supporting different modes of PAP currently used in managing these individuals.
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Affiliation(s)
- Amanda J Piper
- Sleep Unit, Department of Respiratory and Sleep Medicine, Royal Prince Alfred Hospital, Missenden Road, Camperdown, New South Wales 2050, Australia; Central Medical School, University of Sydney, Sydney 2006, New South Wales, Australia.
| | - Ahmed S BaHammam
- The University Sleep Disorders Center, Department of Medicine, College of Medicine, King Saud University, Riyadh 11324, Saudi Arabia; National Plan for Science and Technology, King Saud University, Riyadh 11324, Saudi Arabia
| | - Shahrokh Javaheri
- Montgomery Sleep Laboratory, Bethesda North Hospital, Cincinnati, OH 45242, USA; Pulmonary and Sleep Medicine, University of Cincinnati, Cincinnati, OH, USA; Division of Cardiology, Ohio State University, Columbus, OH, USA
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Liang F, Li T, Azuelos I, Giordano C, Liang H, Hussain SN, Matecki S, Petrof BJ. Ventilator-induced diaphragmatic dysfunction in MDX
mice. Muscle Nerve 2017; 57:442-448. [DOI: 10.1002/mus.25760] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 07/26/2017] [Accepted: 08/05/2017] [Indexed: 01/17/2023]
Affiliation(s)
- Feng Liang
- Meakins-Christie Laboratories, and Translational Research in Respiratory Diseases Program; McGill University Health Centre and Research Institute; 1001 Decarie Boulevard, Montreal Quebec H4A 3J1 Canada
| | - Tong Li
- Meakins-Christie Laboratories, and Translational Research in Respiratory Diseases Program; McGill University Health Centre and Research Institute; 1001 Decarie Boulevard, Montreal Quebec H4A 3J1 Canada
| | - Ilan Azuelos
- Meakins-Christie Laboratories, and Translational Research in Respiratory Diseases Program; McGill University Health Centre and Research Institute; 1001 Decarie Boulevard, Montreal Quebec H4A 3J1 Canada
| | - Christian Giordano
- Meakins-Christie Laboratories, and Translational Research in Respiratory Diseases Program; McGill University Health Centre and Research Institute; 1001 Decarie Boulevard, Montreal Quebec H4A 3J1 Canada
| | - Han Liang
- Department of Bioinformatics and Computational Biology; University of Texas MD Anderson Cancer Center; Houston Texas USA
- Department of Systems Biology; University of Texas MD Anderson Cancer Center; Houston Texas USA
| | - Sabah N. Hussain
- Meakins-Christie Laboratories, and Translational Research in Respiratory Diseases Program; McGill University Health Centre and Research Institute; 1001 Decarie Boulevard, Montreal Quebec H4A 3J1 Canada
- Department of Critical Care; McGill University Health Centre; Montreal Quebec Canada
| | - Stefan Matecki
- Pediatric Functional Exploration Unit; University Hospital of Montpellier, UMR CNRS 9214-INSERM U1046, Université Montpellier; Montpellier France
| | - Basil J. Petrof
- Meakins-Christie Laboratories, and Translational Research in Respiratory Diseases Program; McGill University Health Centre and Research Institute; 1001 Decarie Boulevard, Montreal Quebec H4A 3J1 Canada
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Ramírez-Molina VR, Gómez-de-Terreros FJ, Barca-Durán J, Masa JF. Non-invasive Positive Airway Pressure in Obesity Hypoventilation Syndrome and Chronic Obstructive Pulmonary Disease: Present and Future Perspectives. COPD 2017; 14:418-428. [DOI: 10.1080/15412555.2017.1317730] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Victor R. Ramírez-Molina
- Clinica de Trastornos Respiratorios del Dormir, Instituto Nacional de Enfermedades Respiratorias ‘Ismael Cosio Villegas’, Ciudad de Mexico, Mexico
| | | | - Javier Barca-Durán
- University of Extremadura, Cáceres, Spain
- Coordinator of the Research Group on Bio-Anthropology and Cardiovascular Sciences, University of Extremadura, Cáceres, Spain
| | - Juan F. Masa
- Sleep Unit, San Pedro de Alcantara Hospital, Cáceres, Spain
- CIBER de enfermedades respiratorias (CIBERES), Madrid, Spain
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Vrijsen B, Buyse B, Belge C, Vanpee G, Van Damme P, Testelmans D. Randomized cross-over trial of ventilator modes during non-invasive ventilation titration in amyotrophic lateral sclerosis. Respirology 2017; 22:1212-1218. [DOI: 10.1111/resp.13046] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Revised: 01/31/2017] [Accepted: 02/02/2017] [Indexed: 12/12/2022]
Affiliation(s)
- Bart Vrijsen
- Department of Pulmonology and Leuven University Centre for Sleep and Wake Disorders (LUCS); University Hospitals Leuven; Leuven Belgium
- Faculty of Kinesiology and Rehabilitation Sciences; KU Leuven; Leuven Belgium
| | - Bertien Buyse
- Department of Pulmonology and Leuven University Centre for Sleep and Wake Disorders (LUCS); University Hospitals Leuven; Leuven Belgium
- Department of Clinical and Experimental Medicine; KU Leuven; Leuven Belgium
| | - Catharina Belge
- Department of Pulmonology and Leuven University Centre for Sleep and Wake Disorders (LUCS); University Hospitals Leuven; Leuven Belgium
- Department of Clinical and Experimental Medicine; KU Leuven; Leuven Belgium
| | - Goele Vanpee
- Department of Pulmonology and Leuven University Centre for Sleep and Wake Disorders (LUCS); University Hospitals Leuven; Leuven Belgium
- Faculty of Kinesiology and Rehabilitation Sciences; KU Leuven; Leuven Belgium
| | - Philip Van Damme
- Department of Neurology; University Hospitals Leuven; Leuven Belgium
- Department of Neurosciences; KU Leuven - University of Leuven, Experimental Neurology and Leuven Research Institute for Neuroscience and Disease (LIND); Leuven Belgium
| | - Dries Testelmans
- Department of Pulmonology and Leuven University Centre for Sleep and Wake Disorders (LUCS); University Hospitals Leuven; Leuven Belgium
- Department of Clinical and Experimental Medicine; KU Leuven; Leuven Belgium
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Nilius G, Katamadze N, Domanski U, Schroeder M, Franke KJ. Non-invasive ventilation with intelligent volume-assured pressure support versus pressure-controlled ventilation: effects on the respiratory event rate and sleep quality in COPD with chronic hypercapnia. Int J Chron Obstruct Pulmon Dis 2017; 12:1039-1045. [PMID: 28408814 PMCID: PMC5383083 DOI: 10.2147/copd.s126970] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND COPD patients who develop chronic hypercapnic respiratory failure have a poor prognosis. Treatment of choice, especially the best form of ventilation, is not well known. OBJECTIVES This study compared the effects of pressure-controlled (spontaneous timed [ST]) non-invasive ventilation (NIV) and NIV with intelligent volume-assured pressure support (IVAPS) in chronic hypercapnic COPD patients regarding the effects on alveolar ventilation, adverse patient/ventilator interactions and sleep quality. METHODS This prospective, single-center, crossover study randomized patients to one night of NIV using ST then one night with the IVAPS function activated, or vice versa. Patients were monitored using polysomnography (PSG) and transcutaneous carbon dioxide pressure (PtcCO2) measurement. Patients rated their subjective experience (total score, 0-45; lower scores indicate better acceptability). RESULTS Fourteen patients were included (4 females, age 59.4±8.9 years). The total number of respiratory events was low, and similar under pressure-controlled (5.4±6.7) and IVAPS (8.3±10.2) conditions (P=0.064). There were also no clinically relevant differences in PtcCO2 between pressure-controlled and IVAPS NIV (52.9±6.2 versus 49.1±6.4 mmHg). Respiratory rate was lower under IVAPS overall; between-group differences reached statistical significance during wakefulness and non-rapid eye movement sleep. Ventilation pressures were 2.6 cmH2O higher under IVAPS versus pressure-controlled ventilation, resulting in a 20.1 mL increase in breathing volume. Sleep efficiency was slightly higher under pressure-controlled ventilation versus IVAPS. Respiratory arousals were uncommon (24.4/h [pressure-controlled] versus 25.4/h [IVAPS]). Overall patient assessment scores were similar, although there was a trend toward less discomfort during IVAPS. CONCLUSION Our results show that IVAPS NIV allows application of higher nocturnal ventilation pressures versus ST without affecting sleep quality or inducing ventilation- associated events.
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Affiliation(s)
- Georg Nilius
- HELIOS Klinik Hagen-Ambrock
- Internal Medicine I, Witten/Herdecke University, Witten, Germany
| | - Nato Katamadze
- HELIOS Klinik Hagen-Ambrock
- Internal Medicine I, Witten/Herdecke University, Witten, Germany
| | | | | | - Karl-Josef Franke
- HELIOS Klinik Hagen-Ambrock
- Internal Medicine I, Witten/Herdecke University, Witten, Germany
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Howard ME, Piper AJ, Stevens B, Holland AE, Yee BJ, Dabscheck E, Mortimer D, Burge AT, Flunt D, Buchan C, Rautela L, Sheers N, Hillman D, Berlowitz DJ. A randomised controlled trial of CPAP versus non-invasive ventilation for initial treatment of obesity hypoventilation syndrome. Thorax 2016; 72:437-444. [DOI: 10.1136/thoraxjnl-2016-208559] [Citation(s) in RCA: 101] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 08/13/2016] [Accepted: 10/13/2016] [Indexed: 11/04/2022]
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Abstract
Obesity hypoventilation syndrome is becoming an increasingly encountered condition both in respiratory outpatient clinics and in hospitalized patients. The health consequences and social disadvantages of obesity hypoventilation syndrome are significant. Unfortunately, the diagnosis and institution of appropriate therapy is commonly delayed when the syndrome is not recognized or misdiagnosed. Positive airway pressure therapy remains the mainstay of treatment and is effective in controlling sleep-disordered breathing and improving awake blood gases in the majority of individuals. Evidence supporting one mode of therapy over another is limited. Both continuous and bilevel therapy modes can successfully improve daytime gas exchange, with adherence to therapy an important modifiable factor in the response to treatment. Despite adherence to therapy, these individuals continue to experience excess mortality primarily due to cardiovascular events compared with those with eucapnic sleep apnea using CPAP. This difference likely arises from ongoing systemic inflammation secondary to the morbidly obese state. The need for a comprehensive approach to managing nutrition, weight, and physical activity in addition to reversal of sleep-disordered breathing is now widely recognized. Future studies need to evaluate the impact of a more aggressive and comprehensive treatment plan beyond managing sleep-disordered breathing. The impact of early identification and treatment of sleep-disordered breathing on the development and reversal of cardiometabolic dysfunction also requires further attention.
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Affiliation(s)
- Amanda Piper
- Department of Respiratory and Sleep Medicine, Royal Prince Alfred Hospital, Sydney Local Health District, Sydney, Camperdown, and Woolcock Institute of Medical Research, University of Sydney, Sydney, NSW, Australia.
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Poongkunran C, John SG, Kannan AS, Shetty S, Bime C, Parthasarathy S. A meta-analysis of sleep-promoting interventions during critical illness. Am J Med 2015; 128:1126-1137.e1. [PMID: 26071825 PMCID: PMC4577445 DOI: 10.1016/j.amjmed.2015.05.026] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 05/26/2015] [Accepted: 05/26/2015] [Indexed: 12/12/2022]
Abstract
BACKGROUND Sleep quality and quantity are severely reduced in critically ill patients receiving mechanical ventilation with a potential for adverse consequences. Our objective was to synthesize the randomized controlled trials (RCTs) that measured the efficacy of sleep-promoting interventions on sleep quality and quantity in critically ill patients. METHODS We included RCTs that objectively measured sleep with electroencephalography or its derivatives and excluded observational studies and those that measured sleep by subjective reports. The research was performed according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. RESULTS Of 6022 studies identified, 13 met eligibility criteria involving 296 critically ill patients. Eight trials looked at different modes of mechanical ventilation as sleep interventions, and the remaining 5 involved pharmacologic, nonpharmacologic, or environmental interventions. Meta-analysis of the studies revealed that sleep-promoting interventions improved sleep quantity (pooled standardized mean difference [SMD], 0.37; 95% confidence interval [CI], 0.05-0.69; P = .02) and sleep quality through reduction in sleep fragmentation (SMD, -0.31; 95% CI, -0.60 to -0.01; P = .04). Subgroup analysis revealed that timed modes of ventilation improved sleep quantity when compared with spontaneous modes of ventilation (SMD, 0.45; 95% CI, 0.10-0.81; P = .01). Nonmechanical ventilation interventions tended to improve sleep quantity (SMD, 0.65; 95% CI, -0.03 to 1.33; P = .06) and to reduce sleep fragmentation (SMD, -0.29; 95% CI, -0.61 to 0.03; P = .07). CONCLUSIONS The synthesized evidence suggests that both mechanical ventilation- and nonmechanical ventilation-based therapies improve sleep quantity and quality in critically ill patients, but the clinical significance is unclear. In the future, adequately powered multicenter RCTs involving pharmacologic interventions to promote sleep in critically ill patients are warranted.
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Affiliation(s)
| | | | - Arun S Kannan
- Department of Medicine, University of Arizona, Tucson
| | - Safal Shetty
- Department of Medicine, University of Arizona, Tucson; Division of Pulmonary, Critical Care, and Sleep Medicine, University of Arizona, Tucson
| | - Christian Bime
- Department of Medicine, University of Arizona, Tucson; Division of Pulmonary, Critical Care, and Sleep Medicine, University of Arizona, Tucson; Arizona Respiratory Center, University of Arizona, Tucson
| | - Sairam Parthasarathy
- Department of Medicine, University of Arizona, Tucson; Division of Pulmonary, Critical Care, and Sleep Medicine, University of Arizona, Tucson; Arizona Respiratory Center, University of Arizona, Tucson.
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Palen BN, Kapur VK. Tailoring Therapy for Obesity Hypoventilation Syndrome. Am J Respir Crit Care Med 2015; 192:8-10. [PMID: 26131989 DOI: 10.1164/rccm.201504-0721ed] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Affiliation(s)
- Brian N Palen
- 1 Division of Pulmonary and Critical Care Medicine University of Washington Seattle, Washington and.,2 Veterans Affairs Puget Sound Health Care System Seattle, Washington
| | - Vishesh K Kapur
- 1 Division of Pulmonary and Critical Care Medicine University of Washington Seattle, Washington and
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Ramsay M, Mandal S, Suh ES, Steier J, Douiri A, Murphy PB, Polkey M, Simonds A, Hart N. Parasternal electromyography to determine the relationship between patient-ventilator asynchrony and nocturnal gas exchange during home mechanical ventilation set-up. Thorax 2015. [PMID: 26197816 DOI: 10.1136/thoraxjnl-2015-206944] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Patient-ventilator asynchrony (PVA) can adversely affect the successful initiation of non-invasive home mechanical ventilation (HMV). The aim of this observational study was to quantify the prevalence of PVA during initiation of HMV and to determine the relationship between PVA and nocturnal gas exchange. METHOD Type and frequency of PVA were measured by surface parasternal intercostal muscle electromyography, thoracoabdominal plethysmography and mask pressure during initiation of HMV. Severe PVA was defined, as previously, as asynchrony affecting ≥10% of breaths. RESULTS 28 patients (18 male) were enrolled aged 61±15 years and with a body mass index of 35±9 kg/m(2). Underlying diagnoses were neuromuscular disease with or without chest wall disease (n=6), obesity related chronic respiratory failure (n=12) and COPD (n=10). PVA was observed in all patients with 79% of patients demonstrating severe PVA. Triggering asynchrony was most frequent, observed in 24% (IQR: 11-36%) of breaths, with ineffective efforts accounting for 16% (IQR: 4-24%). PVA types were similar between disease groups, with the exception of auto-triggering, which was higher in patients with COPD (12% (IQR: 6-26%)). There was no correlation observed between PVA and time spent with oxygen saturations ≤90%, mean oxygen saturations or transcutaneous carbon dioxide levels during overnight ventilation. CONCLUSIONS Severe PVA was identified in the majority of patients, irrespective of pathophysiological disease state. This was not associated with ineffective ventilation as evidenced by gas exchange.
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Affiliation(s)
- Michelle Ramsay
- Lane Fox Respiratory Unit, Guy's, St Thomas' NHS Foundation Trust, London, UK Division of Asthma, Allergy and Lung Biology, King's College London, London, UK
| | - Swapna Mandal
- Lane Fox Respiratory Unit, Guy's, St Thomas' NHS Foundation Trust, London, UK Division of Asthma, Allergy and Lung Biology, King's College London, London, UK
| | - Eui-Sik Suh
- Lane Fox Respiratory Unit, Guy's, St Thomas' NHS Foundation Trust, London, UK Division of Asthma, Allergy and Lung Biology, King's College London, London, UK
| | - Joerg Steier
- Lane Fox Respiratory Unit, Guy's, St Thomas' NHS Foundation Trust, London, UK Division of Asthma, Allergy and Lung Biology, King's College London, London, UK
| | - Abdel Douiri
- Department of Public Health Sciences, King's College London, London, UK Guy's and St Thomas' NHS Foundation Trust and King's College London, National Institute Health Research Biomedical Research Centre, London, UK
| | | | - Michael Polkey
- NIHR Respiratory Biomedical Research Unit, Royal Brompton & Harefield NHS Foundation Trust and Imperial College, London, UK
| | - Anita Simonds
- NIHR Respiratory Biomedical Research Unit, Royal Brompton & Harefield NHS Foundation Trust and Imperial College, London, UK
| | - Nicholas Hart
- Lane Fox Respiratory Unit, Guy's, St Thomas' NHS Foundation Trust, London, UK Division of Asthma, Allergy and Lung Biology, King's College London, London, UK Guy's and St Thomas' NHS Foundation Trust and King's College London, National Institute Health Research Biomedical Research Centre, London, UK
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35
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Masa JF, Corral J, Alonso ML, Ordax E, Troncoso MF, Gonzalez M, Lopez-Martínez S, Marin JM, Marti S, Díaz-Cambriles T, Chiner E, Aizpuru F, Egea C. Efficacy of Different Treatment Alternatives for Obesity Hypoventilation Syndrome. Pickwick Study. Am J Respir Crit Care Med 2015; 192:86-95. [DOI: 10.1164/rccm.201410-1900oc] [Citation(s) in RCA: 168] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Abstract
This article summarizes available data on the obesity hypoventilation syndrome and its pertinence to intensivists, outlines clinical and pathophysiologic aspects of the disease, discusses multidisciplinary treatments, and reviews the available literature on outcomes specific to the critically ill patient.
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Affiliation(s)
- Shirley F Jones
- Division of Pulmonary Critical Care and Sleep Medicine, Department of Medicine, Baylor Scott &White Health, Texas A&M Health Science Center, 2401 South 31st Street, Temple, TX 76508, USA.
| | - Veronica Brito
- Division of Pulmonary Critical Care and Sleep Medicine, Department of Medicine, Baylor Scott &White Health, Texas A&M Health Science Center, 2401 South 31st Street, Temple, TX 76508, USA
| | - Shekhar Ghamande
- Division of Pulmonary Critical Care and Sleep Medicine, Department of Medicine, Baylor Scott &White Health, Texas A&M Health Science Center, 2401 South 31st Street, Temple, TX 76508, USA
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Noninvasive Mechanical Ventilation in Patients With Obesity Hypoventilation Syndrome. Long-term Outcome and Prognostic Factors. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.arbr.2014.06.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Abstract
Obesity hypoventilation syndrome is a respiratory consequence of morbid obesity that is characterized by alveolar hypoventilation during sleep and wakefulness. The disorder involves a complex interaction between impaired respiratory mechanics, ventilatory drive and sleep-disordered breathing. Early diagnosis and treatment is important, because delay in treatment is associated with significant mortality and morbidity. Available treatment options include non-invasive positive airway pressure (PAP) therapies and weight loss. There is limited long-term data regarding the effectiveness of such therapies. This review outlines the current concepts of clinical presentation, diagnostic and management strategies to help identify and treat patients with obesity-hypoventilation syndromes.
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Pepin JL, Borel JC, Contal O, Gonzalez-Bermejo J, Rabec C, Tamisier R, Adler D, Janssens JP. Scoring Abnormal Respiratory Events on Polysomnography During Noninvasive Ventilation. Sleep Med Clin 2014. [DOI: 10.1016/j.jsmc.2014.05.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Abstract
After the institution of positive-pressure ventilation, the use of noninvasive ventilation (NIV) through an interface substantially increased. The first technique was continuous positive airway pressure; but, after the introduction of pressure support ventilation at the end of the 20th century, this became the main modality. Both techniques, and some others that have been recently introduced and which integrate some technological innovations, have extensively demonstrated a faster improvement of acute respiratory failure in different patient populations, avoiding endotracheal intubation and facilitating the release of conventional invasive mechanical ventilation. In acute settings, NIV is currently the first-line treatment for moderate-to-severe chronic obstructive pulmonary disease exacerbation as well as for acute cardiogenic pulmonary edema and should be considered in immunocompromised patients with acute respiratory insufficiency, in difficult weaning, and in the prevention of postextubation failure. Alternatively, it can also be used in the postoperative period and in cases of pneumonia and asthma or as a palliative treatment. NIV is currently used in a wide range of acute settings, such as critical care and emergency departments, hospital wards, palliative or pediatric units, and in pre-hospital care. It is also used as a home care therapy in patients with chronic pulmonary or sleep disorders. The appropriate selection of patients and the adaptation to the technique are the keys to success. This review essentially analyzes the evidence of benefits of NIV in different populations with acute respiratory failure and describes the main modalities, new devices, and some practical aspects of the use of this technique.
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Affiliation(s)
- Arantxa Mas
- Critical Care Department, Consorci Sanitari Integral (CSI), Hospital Sant Joan Despí Moisès Broggi and Hospital General de l’Hospitalet, University of Barcelona, Barcelona, Spain
| | - Josep Masip
- Critical Care Department, Consorci Sanitari Integral (CSI), Hospital Sant Joan Despí Moisès Broggi and Hospital General de l’Hospitalet, University of Barcelona, Barcelona, Spain
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Nicolini A, Banfi P, Grecchi B, Lax A, Walterspacher S, Barlascini C, Robert D. Non-invasive ventilation in the treatment of sleep-related breathing disorders: A review and update. REVISTA PORTUGUESA DE PNEUMOLOGIA 2014; 20:324-35. [PMID: 24954545 DOI: 10.1016/j.rppneu.2014.03.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2013] [Revised: 02/08/2014] [Accepted: 03/29/2014] [Indexed: 12/14/2022] Open
Abstract
Non-invasive mechanical ventilation (NIV) was originally used in patients with acute respiratory compromises or exacerbations of chronic respiratory diseases as an alternative to intubation. Over the last thirty years NIV has been used during the night in patients with stable chronic lung diseases such as obstructive sleep apnea, the overlap syndrome (COPD and obstructive sleep apnea), neuromuscular disorders, obesity-hypoventilation syndrome and in other conditions such as sleep disorders associated with congestive heart failure. In this review we discuss the different types of NIV, the specific conditions in which they can be used as well as the indications, recommendations, and evidence supporting the efficacy of NIV.
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Affiliation(s)
- A Nicolini
- Respiratory Diseases Unit, Hospital of Sestri Levante, Italy.
| | - P Banfi
- Neuromuscular Diseases Unit, Don Gnocchi Foundation, Milan, Italy
| | - B Grecchi
- Rehabilitation Department ASL 4 Chiavarese, Italy
| | - A Lax
- Neuromuscular Diseases Unit, Don Gnocchi Foundation, Milan, Italy
| | - S Walterspacher
- Department of Pulmonology, University Hospital, Freiburg, Germany
| | | | - D Robert
- Emeritus Professor of Medicine, Claude Bernard University Lyon, France
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Noninvasive mechanical ventilation in patients with obesity hypoventilation syndrome. Long-term outcome and prognostic factors. Arch Bronconeumol 2014; 51:61-68. [PMID: 24703500 DOI: 10.1016/j.arbres.2014.02.015] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2013] [Revised: 01/12/2014] [Accepted: 02/13/2014] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Obesity is associated with 2 closely related respiratory diseases: obesity hypoventilation syndrome (OHS) and obstructive sleep apnea-hypopnea syndrome (OSAHS). It has been shown that noninvasive ventilation during sleep produces clinical and functional improvement in these patients. The long-term survival rate with this treatment, and the difference in clinical progress in OHS patients with and without OSAHS are analyzed. METHODOLOGY Longitudinal, observational study with a cohort of patients diagnosed with OHS, included in a home ventilation program over a period of 12 years, divided into 2 groups: pure OHS and OSAHS-associated OHS. Bi-level positive airway pressure ventilation was administered. During the follow-up period, symptoms, exacerbations and hospitalizations, blood gas tests and pulmonary function tests, and survival rates were monitored and compared. RESULTS Eighty-three patients were eligible for analysis, 60 women (72.3%) and 23 men (27.7%), with a mean survival time of 8.47 years. Fifty patients (60.2%) were included in the group without OSAHS (OHS) and 33 (39.8%) in the OSAHS-associated OHS group (OHS-OSAHS). PaCO₂ in the OHS group was significantly higher than in the OHS-OSAHS group (P<.01). OHS patients also had a higher hospitalization rate (P<.05). There was a significant improvement in both groups in FEV₁ and FVC, and no differences between groups in PaCO₂ and PaO₂ values. There were no differences in mortality between the 2 groups, but low FVC values were predictive of mortality. CONCLUSIONS The use of mechanical ventilation in patients with OHS, with or without OSAHS, is an effective treatment for the correction of blood gases and functional alterations and can achieve prolonged survival rates.
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Mansukhani MP, Kolla BP, Olson EJ, Ramar K, Morgenthaler TI. Bilevel positive airway pressure for obstructive sleep apnea. Expert Rev Med Devices 2014; 11:283-94. [PMID: 24666419 DOI: 10.1586/17434440.2014.900435] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
For most patients with obstructive sleep apnea syndrome (OSA), continuous positive airway pressure (CPAP) is an effective therapy. However, for a subset of individuals, CPAP is either not effective or is poorly tolerated. Bilevel positive airway pressure (BPAP) is potentially capable of treating OSA at a lower mean pressure than CPAP and can help augment ventilation via pressure support. This review summarizes the evidence for the use of BPAP in spontaneous mode in the initial treatment of patients with OSA and in those who are poorly compliant with CPAP therapy. It also examines evidence regarding use of BPAP in OSA with associated hypoventilation, such as in chronic obstructive pulmonary disease or severe obesity. Finally, current clinical guidelines that help determine which patients would be candidates for a BPAP device and how to manually titrate BPAP to determine the optimal settings to be prescribed are also discussed.
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Affiliation(s)
- Meghna P Mansukhani
- Sleep Medicine, Affiliated Communities Medical Center, 101 Willmar Avenue SW, Willmar, MN, USA
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Mayaud L, Lejaille M, Prigent H, Louis B, Fauroux B, Lofaso F. An open-source software for automatic calculation of respiratory parameters based on esophageal pressure. Respir Physiol Neurobiol 2014; 192:1-6. [DOI: 10.1016/j.resp.2013.11.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Revised: 11/07/2013] [Accepted: 11/12/2013] [Indexed: 01/02/2023]
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47
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Adler D, Bridevaux PO, Contal O, Georges M, Dupuis-Lozeron E, Claudel E, Pépin JL, Janssens JP. Pulse wave amplitude reduction: A surrogate marker of micro-arousals associated with respiratory events occurring under non-invasive ventilation? Respir Med 2013; 107:2053-60. [DOI: 10.1016/j.rmed.2013.10.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2013] [Revised: 09/30/2013] [Accepted: 10/07/2013] [Indexed: 11/29/2022]
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Verbraecken J, McNicholas WT. Respiratory mechanics and ventilatory control in overlap syndrome and obesity hypoventilation. Respir Res 2013; 14:132. [PMID: 24256627 PMCID: PMC3871022 DOI: 10.1186/1465-9921-14-132] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2013] [Accepted: 11/15/2013] [Indexed: 02/07/2023] Open
Abstract
The overlap syndrome of obstructive sleep apnoea (OSA) and chronic obstructive pulmonary disease (COPD), in addition to obesity hypoventilation syndrome, represents growing health concerns, owing to the worldwide COPD and obesity epidemics and related co-morbidities. These disorders constitute the end points of a spectrum with distinct yet interrelated mechanisms that lead to a considerable health burden. The coexistence OSA and COPD seems to occur by chance, but the combination can contribute to worsened symptoms and oxygen desaturation at night, leading to disrupted sleep architecture and decreased sleep quality. Alveolar hypoventilation, ventilation-perfusion mismatch and intermittent hypercapnic events resulting from apneas and hypopneas contribute to the final clinical picture, which is quite different from the “usual” COPD. Obesity hypoventilation has emerged as a relatively common cause of chronic hypercapnic respiratory failure. Its pathophysiology results from complex interactions, among which are respiratory mechanics, ventilatory control, sleep-disordered breathing and neurohormonal disturbances, such as leptin resistance, each of which contributes to varying degrees in individual patients to the development of obesity hypoventilation. This respiratory embarrassment takes place when compensatory mechanisms like increased drive cannot be maintained or become overwhelmed. Although a unifying concept for the pathogenesis of both disorders is lacking, it seems that these patients are in a vicious cycle. This review outlines the major pathophysiological mechanisms believed to contribute to the development of these specific clinical entities. Knowledge of shared mechanisms in the overlap syndrome and obesity hypoventilation may help to identify these patients and guide therapy.
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Affiliation(s)
- Johan Verbraecken
- Department of Pulmonary Medicine and Multidisciplinary Sleep Disorders Centre, Antwerp University Hospital and University of Antwerp, Wilrijkstraat 10, Edegem 2650, Belgium.
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Wahab R, Basner RC. Nocturnal non-invasive ventilation for cardio-respiratory disorders in adults. Expert Rev Respir Med 2013; 7:615-29. [PMID: 24175738 DOI: 10.1586/17476348.2013.839246] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Following the classic 'iron lung' non-invasive negative pressure ventilator, non-invasive positive pressure ventilation (NIPPV), particularly used 'nocturnally' has developed a broad role in both the acute hospital setting and domiciliary long-term use for many cardio-respiratory disorders associated with acute and chronic ventilatory failure. This role is based in part upon the perceived relative ease of application and discontinuation of NIPPV, ability to avoid intubation or tracheostomy and their associated morbidities and availability of increasingly portable pressure and volume cycled NIPPV devices. Nevertheless, the many methodologies necessary for optimal NIPPV use are often underappreciated by health care workers and patients alike. This review focuses on the rationale, practice, and future directions for 'nocturnal' use of non-invasive positive pressure ventilation (nNIV) in cardio-respiratory disorders in adults which are commonly associated with sleep-related apnea, hypoventilation and hypoxemia: congestive heart failure (CHF), chronic obstructive pulmonary disease (COPD), obesity hypoventilation syndrome (OHS), cystic fibrosis (CF) and neuromuscular disorders.
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Affiliation(s)
- Romina Wahab
- Division of Pulmonary, Allergy, and Critical Care Medicine, Columbia University College of Physicians and Surgeons, 622 West 168th Street, NY 10032, USA
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Esquinas AM. Backup respiratory rate during noninvasive positive pressure ventilation in obesity hypoventilation syndrome: can this difficult puzzle be resolved? Chest 2013; 143:1182-1183. [PMID: 23546498 DOI: 10.1378/chest.12-2408] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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