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Noeding Fischer CHRM, Bocanegra Román NFA, Nieto-Gutierrez W. An appraisal of the methodology and quality of evidence of systematic reviews on the efficacy of prone positional ventilation in adult patients with acute respiratory distress syndrome: an umbrella review. Intern Emerg Med 2022; 18:691-709. [PMID: 36585553 DOI: 10.1007/s11739-022-03174-8] [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: 06/28/2022] [Accepted: 12/06/2022] [Indexed: 12/31/2022]
Abstract
The objective of the study was to evaluate all available systematic reviews on the use of prone positional ventilation in adult patients with acute respiratory distress syndrome (ARDS). An umbrella review on the efficacy of prone positional ventilation in adult patients ventilation in adult patients with acute respiratory distress syndrome was conducted. We performed a systematic search in the database of Medline (Pubmed), Scopus, Cochrane Library, Web of Science, and Epistemonikos. The ROBIS tools and GRADE methodology were used to assess the risk of bias and certainty of evidence. We estimated the necessary number of patients to be treated to have benefit. For the synthesis of the result, we selected the review with the lowest risk of bias. Sixteen systematic reviews including 64 randomized clinical trials and evaluating the effect of prone positional ventilation, with or without other ventilation strategies were included. Aoyama 2019 observed prone positioning, without complementary ventilation strategies, leading to a reduction in the 28-day mortality only when compared to high-frequency oscillatory ventilation (RR 0.61; 95% CI 0.39-0.95) and lung-protective ventilation in the supine position (RR 0.69; 95% CI 0.48-0.98), with an ARR of 9.32% and 14.94%, an NNTB of 5.89 and 8.04, and a low and moderate certainty of evidence, respectively. Most reviews had severe methodological flaws that led to results with very low certainty of evidence. The review with the lowest risk of bias presented results in favor of prone positional ventilation compared with high-frequency oscillatory ventilation and lung-protective ventilation. There is a need to update the available reviews to obtain more accurate results.
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Miller AG, Tan HL, Smith BJ, Rotta AT, Lee JH. The Physiological Basis of High-Frequency Oscillatory Ventilation and Current Evidence in Adults and Children: A Narrative Review. Front Physiol 2022; 13:813478. [PMID: 35557962 PMCID: PMC9087180 DOI: 10.3389/fphys.2022.813478] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 04/08/2022] [Indexed: 12/12/2022] Open
Abstract
High-frequency oscillatory ventilation (HFOV) is a type of invasive mechanical ventilation that employs supra-physiologic respiratory rates and low tidal volumes (VT) that approximate the anatomic deadspace. During HFOV, mean airway pressure is set and gas is then displaced towards and away from the patient through a piston. Carbon dioxide (CO2) is cleared based on the power (amplitude) setting and frequency, with lower frequencies resulting in higher VT and CO2 clearance. Airway pressure amplitude is significantly attenuated throughout the respiratory system and mechanical strain and stress on the alveoli are theoretically minimized. HFOV has been purported as a form of lung protective ventilation that minimizes volutrauma, atelectrauma, and biotrauma. Following two large randomized controlled trials showing no benefit and harm, respectively, HFOV has largely been abandoned in adults with ARDS. A multi-center clinical trial in children is ongoing. This article aims to review the physiologic rationale for the use of HFOV in patients with acute respiratory failure, summarize relevant bench and animal models, and discuss the potential use of HFOV as a primary and rescue mode in adults and children with severe respiratory failure.
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Affiliation(s)
- Andrew G Miller
- Duke University Medical Center, Respiratory Care Services, Durham, NC, United States
| | - Herng Lee Tan
- KK Women's and Children's Hospital, Children's Intensive Care Unit, Singapore, Singapore
| | - Brian J Smith
- University of California, Davis, Respiratory Care Services, Sacramento, CA, United States
| | - Alexandre T Rotta
- Duke University Medical Center, Division of Pediatric Critical Care Medicine, Durham, NC, United States
| | - Jan Hau Lee
- KK Women's and Children's Hospital, Children's Intensive Care Unit, Singapore, Singapore.,Duke-NUS Medical School, Singapore, Singapore
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Contraindications to the Initiation of Veno-Venous ECMO for Severe Acute Respiratory Failure in Adults: A Systematic Review and Practical Approach Based on the Current Literature. MEMBRANES 2021; 11:membranes11080584. [PMID: 34436348 PMCID: PMC8400963 DOI: 10.3390/membranes11080584] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/19/2021] [Accepted: 07/27/2021] [Indexed: 12/21/2022]
Abstract
(1) Background: Extracorporeal membrane oxygenation (ECMO) is increasingly used for acute respiratory failure with few absolute but many relative contraindications. The provider in charge often has a difficult time weighing indications and contraindications to anticipate if the patient will benefit from this treatment, a decision that often decides life and death for the patient. To assist in this process in coming to a good evidence-based decision, we reviewed the available literature. (2) Methods: We performed a systematic review through a literature search of the MEDLINE database of former and current absolute and relative contraindications to the initiation of ECMO treatment. (3) Results: The following relative and absolute contraindications were identified in the literature: absolute-refusal of the use of extracorporeal techniques by the patient, advanced stage of cancer, fatal intracerebral hemorrhage/cerebral herniation/intractable intracranial hypertension, irreversible destruction of the lung parenchyma without the possibility of transplantation, and contraindications to lung transplantation; relative-advanced age, immunosuppressed patients/pharmacological immunosuppression, injurious ventilator settings > 7 days, right-heart failure, hematologic malignancies, especially bone marrow transplantation and graft-versus-host disease, SAPS II score ≥ 60 points, SOFA score > 12 points, PRESERVE score ≥ 5 points, RESP score ≤ -2 points, PRESET score ≥ 6 points, and "do not attempt resuscitation" order (DN(A)R status). (4) Conclusions: We provide a simple-to-follow algorithm that incorporates absolute and relative contraindications to the initiation of ECMO treatment. This algorithm attempts to weigh pros and cons regarding the benefit for an individual patient and hopefully assists caregivers to make better, informed decisions.
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Chakalov I, Harnisch L, Meyer A, Moerer O. Preemptive veno-venous ECMO support in a patient with anticipated difficult airway: A case report. Respir Med Case Rep 2020; 30:101130. [PMID: 32596130 PMCID: PMC7306610 DOI: 10.1016/j.rmcr.2020.101130] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 06/05/2020] [Accepted: 06/10/2020] [Indexed: 12/14/2022] Open
Abstract
This report presents a case of endotracheal metastasis in which elective veno-venous extracorporeal membrane oxygenation (VV ECMO) was used to undergo tracheal laser-surgery prior to establishment of a definitive airway. Specifically, we describe the respiratory and airway management in an adult patient from the preclinical phase throughout elective preoperative ECMO implantation to postoperative ECMO weaning and decannulation in the Intensive Care Unit. This case report lends further supports to the idea that the extracorporeal membrane oxygenation could be electively used to provide safe environment for surgery in situations where the standard maneuvers of sustaining adequate gas exchange are anticipated to fail.
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Affiliation(s)
- I. Chakalov
- Department of Anesthesiology, University Medical Center Göttingen, Göttingen, Germany Robert-Koch-Str. 40, D-37099, Göttingen, Germany
| | - L.O. Harnisch
- Department of Anesthesiology, University Medical Center Göttingen, Göttingen, Germany Robert-Koch-Str. 40, D-37099, Göttingen, Germany
| | - A.C. Meyer
- Department of Ear-, Nose-, and Throat Surgery, University Medical Center Göttingen, Göttingen, Germany Robert-Koch-Str. 40, D-37099, Göttingen, Germany
| | - O. Moerer
- Department of Anesthesiology, University Medical Center Göttingen, Göttingen, Germany Robert-Koch-Str. 40, D-37099, Göttingen, Germany
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Dalmedico M, Ramos D, Hinata P, Alves W, Carvalho C, Avila J. Prone position and extracorporeal membrane oxygenation in acute respiratory distress syndrome. FISIOTERAPIA EM MOVIMENTO 2019. [DOI: 10.1590/1980-5918.032.ao35] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Abstract Introduction: The acute respiratory distress syndrome is an inflammatory process originated by some pulmonary diseases, resulting in non-hydrostatic protein edema of the pulmonary parenchyma. The loss of the lung ability to eliminate carbon dioxide generates complications such as refractory hypoxemia, decreased alveolar dysplasia, increased complacency and hypercarbia. The treatment of acute respiratory distress syndrome, consist in measures to prevent lung diseases progression and optimize oxygenation. Objective: To identify, in the international scientific literature, cases or series of cases reporting the combined application of prone position and extracorporeal membrane oxygenation in patients with severe acute respiratory distress syndrome, as well as the benefit of these rescue therapies. Method: This is a systematic review of case reports that show the benefit of combined therapies in the treatment of patients with acute respiratory distress syndrome. Results: From the research strategy and selection criteria were included 8 studies reporting 19 cases of patients with acute respiratory distress syndrome who received the combination of the two rescue therapies. All studies showed that extracorporeal membrane oxygenation was the primary intervention. There were no reports of adverse events. Conclusion: The combinations of therapies positively interfere on the prognosis of patients with acute respiratory distress syndrome, in addition to presenting no additional risks in terms of the occurrence of adverse events; however, the prone position should precede the extracorporeal membrane oxygenation as first-line intervention. PROSPERO Registration No. CRD42018093076
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Pappalardo F, Montisci A. Adjunctive therapies during veno-venous extracorporeal membrane oxygenation. J Thorac Dis 2018; 10:S683-S691. [PMID: 29732187 DOI: 10.21037/jtd.2017.10.08] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Veno-venous extracorporeal membrane oxygenation (VV ECMO) restores gas exchanges in severely hypoxemic patients. The need for adjunctive therapies usually originates either from refractory hypoxemia during ECMO (defined as the persistence of low blood oxygen levels despite extracorporeal support) or from the attempt to give a specific therapy for acute respiratory distress syndrome (ARDS). In this review, therapeutic strategies to treat refractory and persistent hypoxemia during ECMO are evaluated. In the second part, therapies that can be added on top of VV ECMO to address inflammation and altered vascular permeability in ARDS are examined. The therapies currently available often allow for an effective treatment of hypoxemia during ECMO. ARDS is still lacking a specific therapy, with low-grade evidence sustaining the majority of currently used drugs.
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Affiliation(s)
- Federico Pappalardo
- Department of Anesthesia and Intensive Care and Vita-Salute San Raffaele University, Milan, Italy
| | - Andrea Montisci
- Department of Anesthesia and Intensive Care, Cardiothoracic Center, Istituto Clinico Sant'Ambrogio, Gruppo Ospedaliero San Donato, University and Research Hospitals, Milan, Italy
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Korzhuk A, Afzal A, Wong I, Khusid F, Worku B, Gulkarov I. High-Frequency Percussive Ventilation Rescue Therapy in Morbidly Obese Patients Failing Conventional Mechanical Ventilation. J Intensive Care Med 2018; 35:583-587. [PMID: 29683055 DOI: 10.1177/0885066618769596] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Morbidly obese patients with respiratory failure who do not improve on conventional mechanical ventilation (CMV) often undergo rescue therapy with extracorporeal membrane oxygenation (ECMO). We describe our experience with high-frequency percussive ventilation (HFPV) as a rescue modality. METHODS In a retrospective analysis from 2009 to 2016, 12 morbidly obese patients underwent HFPV after failing to wean from CMV. Data were collected regarding demographics, cause of respiratory failure, ventilation settings, and hospital course outcomes. Our end point data were pre- and post-HFPV partial pressure of arterial oxygen and PaO2 to fraction of inspired oxygen (PF) ratios measured at initiation, 2, and 24 hours. RESULTS Twelve morbidly obese patients required HFPV for respiratory failure. Causes of respiratory failure overlapped and included cardiogenic pulmonary edema (n = 8), pneumonia (n = 5), septic shock (n = 5), and asthma (n = 1). After HFPV initiation, mean fraction of inspired oxygen FiO2 was tapered from 98% to 82% and 66% at 2 and 24 hours, respectively. Mean PaO2 increased from 60.9 mm Hg before HFPV to 175.1 mm Hg (P < .05) at initiation of HFPV, then sustained at 129.5 mm Hg (P < .05) and 88.1 mm Hg (P < .005) at 2 and 24 hours, respectively. Mean PF ratio improved from 66.1 before HFPV to 180.3 (P < .05), 181.0 (P < .05) and 148.9 (P < .0005) at initiation, 2, and 24 hours, respectively. The improvement in mean PaO2 and PF ratios was durable at 24 hours whether or not the patient was returned to CMV (n = 10) or remained on HFPV (n = 2). Survival to discharge was 66.7%. CONCLUSION In our cohort of morbidly obese patients, HFPV was successfully utilized as a rescue therapy precluding the need for ECMO. Despite our small sample size, HFPV should be considered as a rescue therapy in morbidly obese patients failing CMV prior to the initiation of ECMO. Our retrospective analysis supports consideration for HFPV as another form of rescue therapy for obese patients with refractory hypoxemia and respiratory failure who are not improving with CMV.
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Affiliation(s)
- Anatoliy Korzhuk
- Department of Medicine, New York-Presbyterian Brooklyn Methodist Hospital, Brooklyn, NY, USA
| | - Ashwad Afzal
- Department of Medicine, New York-Presbyterian Brooklyn Methodist Hospital, Brooklyn, NY, USA
| | - Ivan Wong
- Department of Medicine, New York-Presbyterian Brooklyn Methodist Hospital, Brooklyn, NY, USA
| | - Felix Khusid
- Department of Respiratory Therapy, New York-Presbyterian Brooklyn Methodist Hospital, Brooklyn, NY, USA
| | - Berhane Worku
- Department of Cardiothoracic Surgery, New York-Presbyterian Brooklyn Methodist Hospital, Brooklyn, NY, USA
| | - Iosif Gulkarov
- Department of Cardiothoracic Surgery, Staten Island University Hospital, Staten Island, NY, USA
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Do we need randomized clinical trials in extracorporeal respiratory support? No. Intensive Care Med 2017; 43:1866-1868. [DOI: 10.1007/s00134-017-4826-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 04/27/2017] [Indexed: 10/18/2022]
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Hoegl S, Zwissler B. Preventing ventilator-induced lung injury-what does the evidence say? J Thorac Dis 2017; 9:2259-2263. [PMID: 28932519 DOI: 10.21037/jtd.2017.06.135] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Sandra Hoegl
- Department of Anesthesiology and Comprehensive Pneumology Center Munich (CPC-M), Member of the German Center for Lung Research, University Hospital, Ludwig-Maximilians-University, Munich, Germany
| | - Bernhard Zwissler
- Department of Anesthesiology and Comprehensive Pneumology Center Munich (CPC-M), Member of the German Center for Lung Research, University Hospital, Ludwig-Maximilians-University, Munich, Germany
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