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Wang L, Pang X, Ding S, Pei K, Li Z, Wan J. Effect of postoperative oxygen therapy regimen modification on oxygenation in patients with acute type A aortic dissection. Heliyon 2024; 10:e29108. [PMID: 38638990 PMCID: PMC11024556 DOI: 10.1016/j.heliyon.2024.e29108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 03/31/2024] [Accepted: 04/01/2024] [Indexed: 04/20/2024] Open
Abstract
Objective In this study, we investigated the effect of various oxygen therapy regimens on oxygenation in patients with acute type A aortic dissection (AAD). Methods A quasi-randomized controlled trial was conducted, in which patients with AAD hospitalized for surgery from June to September 2021 were assigned to the control group (patients received conventional oxygen therapy after postoperative mechanical ventilation, weaning, and extubation) and those who were admitted from October to December 2021 were assigned to the observation group [patients underwent optimally adjusted therapy based on the treatment of the control group, which mainly included prioritized elevation of positive end-expiratory pressure (PEEP) and restricted use of the fraction of inspired oxygen (FiO2)].The postoperative oxygenation index, blood gas analysis, and duration of mechanical ventilation were compared between the two groups. Results There were significant differences in oxygenation observed at 2 h postoperatively between the groups. 12, 24, and 72 h postoperatively, the oxygenation index varied significantly between the two groups. There were statistically significant differences in the time effects of the oxygenation index and PaO2 between the two groups, as well as significant differences in the length of stay in the intensive care unit. Conclusion For the postoperative care of patients with AAD, it is suggested that the minimum FiO2 required for oxygenation of patients be maintained. In addition, it is possible to enhance PEEP as a priority when PaO2 is low.
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Affiliation(s)
- Li Wang
- Department of Hospital Infection Control, The Second Hospital of Shandong University, Jinan, 250033, PR China
| | - Xinyan Pang
- Department of Cardiovascular Surgery, The Second Hospital of Shandong University, Jinan, 250033, PR China
| | - Shouluan Ding
- Institute of Medicine Sciences, The Second Hospital of Shandong University, Jinan, 250033, PR China
| | - Ke Pei
- Department of Cardiovascular Surgery, The Second Hospital of Shandong University, Jinan, 250033, PR China
| | - Zijia Li
- Department of Cardiovascular Surgery, The Second Hospital of Shandong University, Jinan, 250033, PR China
| | - Jianhong Wan
- Department of Cardiovascular Surgery, The Second Hospital of Shandong University, Jinan, 250033, PR China
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Maffezzoni M, Bellini V. Con: Mechanical Ventilation During Cardiopulmonary Bypass. J Cardiothorac Vasc Anesth 2024; 38:1045-1048. [PMID: 38184381 DOI: 10.1053/j.jvca.2023.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 11/28/2023] [Accepted: 12/02/2023] [Indexed: 01/08/2024]
Abstract
The ventilatory strategy to adopt during cardiopulmonary bypass is still being debated. The rationale for using continuous positive airway pressure or mechanical ventilation would be to counteract alveolar collapse and improve ischemia phenomena and passive alveolar diffusion of oxygen. Although there are several studies supporting the hypothesis of a positive effect on oxygenation and systemic inflammatory response, the real clinical impact of ventilation during cardiopulmonary bypass is controversial. Furthermore, the biases present in the literature make the studies' results nonunique in their interpretation.
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Affiliation(s)
- Massimo Maffezzoni
- Anesthesiology, Critical Care and Pain Medicine Division, Department of Medicine and Surgery, University of Parma, Parma, Italy.
| | - Valentina Bellini
- Anesthesiology, Critical Care and Pain Medicine Division, Department of Medicine and Surgery, University of Parma, Parma, Italy
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Grant MC, Crisafi C, Alvarez A, Arora RC, Brindle ME, Chatterjee S, Ender J, Fletcher N, Gregory AJ, Gunaydin S, Jahangiri M, Ljungqvist O, Lobdell KW, Morton V, Reddy VS, Salenger R, Sander M, Zarbock A, Engelman DT. Perioperative Care in Cardiac Surgery: A Joint Consensus Statement by the Enhanced Recovery After Surgery (ERAS) Cardiac Society, ERAS International Society, and The Society of Thoracic Surgeons (STS). Ann Thorac Surg 2024; 117:669-689. [PMID: 38284956 DOI: 10.1016/j.athoracsur.2023.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 11/27/2023] [Accepted: 12/09/2023] [Indexed: 01/30/2024]
Abstract
Enhanced Recovery After Surgery (ERAS) programs have been shown to lessen surgical insult, promote recovery, and improve postoperative clinical outcomes across a number of specialty operations. A core tenet of ERAS involves the provision of protocolized evidence-based perioperative interventions. Given both the growing enthusiasm for applying ERAS principles to cardiac surgery and the broad scope of relevant interventions, an international, multidisciplinary expert panel was assembled to derive a list of potential program elements, review the literature, and provide a statement regarding clinical practice for each topic area. This article summarizes those consensus statements and their accompanying evidence. These results provide the foundation for best practice for the management of the adult patient undergoing cardiac surgery.
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Affiliation(s)
- Michael C Grant
- Department of Anesthesiology and Critical Care Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland.
| | - Cheryl Crisafi
- Heart and Vascular Program, Baystate Health, University of Massachusetts Chan Medical School-Baystate, Springfield, Massachusetts
| | - Adrian Alvarez
- Department of Anesthesia, Hospital Italiano, Buenos Aires, Argentina
| | - Rakesh C Arora
- Section of Cardiac Surgery, Department of Surgery, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Mary E Brindle
- Departments of Surgery and Community Health Services, Cumming School of Medicine University of Calgary, Calgary, Alberta, Canada
| | - Subhasis Chatterjee
- Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas
| | - Joerg Ender
- Department of Anaesthesiology and Intensive Care Medicine, Heart Center Leipzig, University Leipzig, Leipzig, Germany
| | - Nick Fletcher
- Institute of Anesthesia and Critical Care, Cleveland Clinic London, London, United Kingdom; St George's University Hospital, London, United Kingdom
| | - Alexander J Gregory
- Department of Anesthesia, Perioperative and Pain Medicine, Cumming School of Medicine University of Calgary, Calgary, Alberta, Canada
| | - Serdar Gunaydin
- Department of Cardiovascular Surgery, Ankara City Hospital, University of Health Sciences, Ankara, Turkey
| | - Marjan Jahangiri
- Department of Cardiac Surgery, St George's Hospital, London, United Kingdom
| | - Olle Ljungqvist
- Department of Surgery, Faculty of Medicine and Health, School of Health and Medical Sciences, Örebro University, Örebro, Sweden
| | - Kevin W Lobdell
- Regional Cardiovascular and Thoracic Quality, Education, and Research, Atrium Health, Charlotte, North Carolina
| | - Vicki Morton
- Clinical and Quality Outcomes, Providence Anesthesiology Associates, Charlotte, North Carolina
| | - V Seenu Reddy
- Centennial Heart & Vascular Center, Nashville, Tennessee
| | - Rawn Salenger
- Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland
| | - Michael Sander
- Department of Anaesthesiology, Operative Intensive Care Medicine and Pain Therapy, Justus Liebig University of Giessen, Giessen, Germany
| | - Alexander Zarbock
- Department of Anaesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Daniel T Engelman
- Heart and Vascular Program, Baystate Health, University of Massachusetts Chan Medical School-Baystate, Springfield, Massachusetts
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Boussion K, Tremey B, Gibert H, Koune JDL, Aubert S, Balcon L, Nguyen LS. Efficacy of maintaining low-tidal volume mechanical ventilation as compared to resting lung strategy during coronary artery bypass graft cardiopulmonary bypass surgery: A post-hoc analysis of the MECANO trial. J Clin Anesth 2023; 84:110991. [PMID: 36347196 DOI: 10.1016/j.jclinane.2022.110991] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 10/24/2022] [Accepted: 10/28/2022] [Indexed: 11/06/2022]
Abstract
STUDY OBJECTIVE To compare a low-tidal-volume with positive end-expiratory pressure strategy (VENT strategy) to a resting-lung-strategy (i.e., no-ventilation (noV) strategy) during cardiopulmonary bypass for coronary artery bypass graft surgery on the incidence of postoperative pulmonary complications. DESIGN Post-hoc analysis of the MECANO trial which was a prospective single-center, blind, randomized, parallel-group controlled trial. SETTING Tertiary care cardiac surgery center. PATIENTS Patients who underwent isolated on-pump coronary bypass surgery were randomized either to VENT or noV group. INTERVENTION During the cardiopulmonary bypass phase of the cardiac surgery procedure, mechanical ventilation in the VENT group consisted of a tidal volume of 3 mL/kg, a respiratory rate of 5 per minute and a positive end-expiratory pressure of 5 cmH2O. Patients in the noV group received no ventilation during this phase. MEASUREMENTS Primary composite outcome combining death, early respiratory failure, ventilation support beyond day 2 and reintubation. MAIN RESULTS In this post-hoc analysis, we retained 725 patients who underwent isolated CABG surgery, from the 1501 patients included in the original study. There were 352 in the VENT group and 373 patients in the noV group. Post-hoc comparison yielded no differences in baseline characteristics between these two groups. The primary outcome occurred less frequently in the VENT group than in the noV group, with 44 (12.5%) and 76 (20.4%) respectively (odds-ratio (OR) = 0.56 (0.37-0.84), p = 0.004). There were fewer early respiratory dysfunctions and prolonged respiratory support in the VENT group (respectively, OR = 0.34 (0.12-0.96) p = 0.033 and OR = 0.51 (0.27-0.94) p = 0.029). Complications related to mechanical ventilation were similar in the two groups. CONCLUSIONS In this post-hoc analysis, maintaining low-tidal ventilation compared to a resting-lung strategy was associated with fewer pulmonary postoperative complications in patients who underwent isolated CABG procedures.
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Zaouter C, Damphousse R, Moore A, Stevens LM, Gauthier A, Carrier FM. Elements not Graded in the Cardiac Enhanced Recovery After Surgery Guidelines Might Improve Postoperative Outcome: A Comprehensive Narrative Review. J Cardiothorac Vasc Anesth 2021; 36:746-765. [PMID: 33589344 DOI: 10.1053/j.jvca.2021.01.035] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 01/13/2021] [Accepted: 01/18/2021] [Indexed: 12/12/2022]
Abstract
Enhanced Recovery Programs (ERPs) are protocols involving the whole patient surgical journey. These protocols are based on multimodal, multidisciplinary, evidence-based, and patient-centered approaches aimed at improving patient recovery after a surgical intervention. Such programs have shown striking positive results in different surgical specialties. However, only a few research groups have incorporated preoperative, intraoperative, and postoperative evidence-based interventions in bundles used to standardize care and build cardiac surgery ERPs. The Enhanced Recovery After Surgery Society recently published evidence-based recommendations for perioperative care in cardiac surgery. Their recommendations included 22 perioperative interventions that may be part of any cardiac ERP. However, various components integrated in already-published cardiac ERPs were neither graded nor reported in these recommendations. The goals of the current review are to present published cardiac ERPs and their effects on patient outcomes and reported components incorporated into these ERPs and to discuss the objectives and scope of cardiac ERPs.
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Affiliation(s)
- Cédrick Zaouter
- Department of Anesthesiology, Centre Hospitalier de l'Université de Montréal, Montréal, QC, Canada.
| | - Remy Damphousse
- Department of Anesthesiology, Centre Hospitalier de l'Université de Montréal, Montréal, QC, Canada
| | - Alex Moore
- Department of Anesthesiology, Centre Hospitalier de l'Université de Montréal, Montréal, QC, Canada
| | - Louis-Mathieu Stevens
- Department of Surgery, Division of Cardiac surgery, Centre Hospitalier de l'Université de Montréal, Montréal, QC, Canada
| | - Alain Gauthier
- Department of Anesthesiology, Centre Hospitalier de l'Université de Montréal, Montréal, QC, Canada
| | - François Martin Carrier
- Department of Anesthesiology, Centre Hospitalier de l'Université de Montréal, Montréal, QC, Canada; Department of Medicine, Division of Critical Care, Centre Hospitalier de l'Université de Montréal, Montréal, QC, Canada
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McCARTHY C, Spray D, Zilhani G, Fletcher N. Perioperative care in cardiac surgery. Minerva Anestesiol 2020; 87:591-603. [PMID: 33174405 DOI: 10.23736/s0375-9393.20.14690-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
As mortality is now low for many cardiac surgical procedures, there has been an increasing focus on patient centered outcomes such as recovery and quality of life. The Enhanced Recovery After Surgery (ERAS) cardiac society recently published the first set of guidelines for cardiac surgery which will be useful as a starting point to help translate this philosophy for the benefit of those undergoing cardiac surgery. At the same time there are many advances in other areas such as mechanical circulation, diagnostics and quality metrics. We intend here to present a balanced and evidenced based review of selected aspects of current practice, encompassing both UK and international perioperative care with a focus on recent advances. For the convenience of the reader we will adopt the conventional perioperative preoperative, intraoperative and postoperative phases of care. The focus of cardiac surgical practice needs to evolve from mortality to recovery. Those specialists who work in cardiac anaesthesia and critical care are well placed to contribute to these changes. Accompanying this work is the development of technologies to improve recognition of and intervention to prevent early organ dysfunction. Measuring, benchmarking and publishing quality outcomes from cardiac surgical centres is likely to improve services and benefit our patients.
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Affiliation(s)
| | | | | | - Nick Fletcher
- St Georges University Hospitals, London, UK.,Institute of Anesthesia and Critical Care, Cleveland Clinic London, London, UK
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Singab H, Gamal MA, Refaey R, Al-Taher W. Effect of Retrograde Autologous Blood Priming of Cardiopulmonary Bypass on Hemodynamic Parameters and Pulmonary Mechanics in Pediatric Cardiac Surgery: A Randomized Clinical Study. Semin Thorac Cardiovasc Surg 2020; 33:505-512. [PMID: 32977015 DOI: 10.1053/j.semtcvs.2020.09.006] [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: 08/16/2020] [Accepted: 09/08/2020] [Indexed: 11/11/2022]
Abstract
The present study aimed to assess the impact of retrograde autologous priming (RAP) on hemodynamics and pulmonary mechanics in children subjected to cardiothoracic surgery. This prospective randomized study analyzed the clinical records of 124 children with risk adjustment in congenital heart surgery-1 left to right lesions subjected to cardiac surgery. They comprised 64 patients in RAP group and 60 patients in the conventional priming group. The preoperative, intraoperative and postoperative data of the studied patients were reported. The outcome measures included hematocrit (Hct) value, blood gases, lung mechanics parameters, transfusion needs, ICU stay, postoperative complications and mortality. Preoperatively, there were no significant differences between the studied groups regarding the demographic data, underlying lesions, laboratory data, blood gases and pulmonary mechanics parameters. Intraoperatively, RAP group patients had significantly lower amount of blood loss, less frequent need to packed red blood cells (RBC)s transfusion and better Hct values when compared with the control group. Postoperatively, RAP group patients had significantly higher Hct% at ICU arrival, significantly better pulmonary mechanics parameters and significantly shorter duration on mechanical ventilation. RAP in children older than 12 months subjected to cardiac surgery for risk adjustment in congenital heart surgery-1 left to right lesions is associated with less transfusion needs and better pulmonary mechanics.
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Affiliation(s)
- Hamdy Singab
- Cardiothoracic Surgery Department, Ain Shams University Faculty of Medicine, Ain Shams University Hospitals, Cairo, Egypt.
| | - Mohamed A Gamal
- Cardiothoracic Surgery Department, Ain Shams University Faculty of Medicine, Ain Shams University Hospitals, Cairo, Egypt
| | - Reda Refaey
- Cardiothoracic Surgery Department, Ain Shams University Faculty of Medicine, Ain Shams University Hospitals, Cairo, Egypt
| | - Waleed Al-Taher
- Anesthesia and Intensive Care Department, Ain Shams University Faculty of Medicine, Ain Shams University Hospitals, Cairo, Egypt
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Abstract
Prolonged intubation and mechanical ventilation following cardiac surgery have been associated with increased hospital and intensive care unit length of stays; higher health care costs; and morbidity resulting from atelectasis, intrapulmonary shunting, and pneumonia. Early extubation was developed as a strategy in the 1990s to reduce the high-dose opiate regimes and long ventilator times. Early extubation is a key component of the enhanced recovery pathway following cardiac surgery and enables early mobilization and early return to a normal diet. The plan to extubate should start as soon as the patient is scheduled for cardiac surgery and continue throughout the perioperative period.
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The benefit of a preoperative respiratory protocol and musculoskeletal exercise in patients undergoing cardiac surgery. POLISH JOURNAL OF THORACIC AND CARDIOVASCULAR SURGERY 2020; 17:94-100. [PMID: 32728372 PMCID: PMC7379220 DOI: 10.5114/kitp.2020.97267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 06/09/2020] [Indexed: 11/17/2022]
Abstract
Introduction Loss of physical activity and pulmonary dysfunction with its associated complications represent two of the most important causes of morbidity and mortality following cardiac surgery. Aim To evaluate whether a physiotherapy program based on respiratory training with or without musculoskeletal mobilization, started preoperatively, may provide a significant improvement in pulmonary and musculoskeletal recovery postoperatively in a sufficiently large sample of patients undergoing elective cardiac surgery. Material and methods One-hundred and two patients with similar baseline and preoperative characteristics were assigned to a preoperative respiratory physiotherapy protocol (group R, n = 34), a preoperative respiratory and motor physiotherapy protocol (group R + M, n = 34), or no preoperative specific physiotherapy protocol but only a simplified perioperative standard physiotherapy protocol (control group, C, n = 34). Data on 6-minute walking test, peak expiratory flow, and from blood gas analysis were retrospectively analyzed. Results As compared with group C, a statistically significant improvement was observed in the two preoperatively treated groups in terms of 1) better pre- (+0.7-0.8 Lt/min, p < 0.05) and postoperative (+1 Lt/min, p < 0.01) peak expiratory flow values; 2) longer pre- (+50-100 m, p < 0.01) and postoperative (+65-170 m, p < 0.01) distance traveled in the 6-minute walking test; 3) better PaO2, SaO2, pH value in postoperative blood gas measurements (p < 0.05, for all comparisons); 4) reduction of postoperative length of in-hospital stay (p < 0.05). Conclusions A benefit of combined respiratory and motor physiotherapy protocols can be expected in the groups of patients preoperatively treated, especially with the respiratory one, either before or after cardiac surgery with a faster recovery of physical-functional activities. Specifically, the motor protocol is associated with greater autonomy of running before or after cardiac surgery.
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Zaouter C, Oses P, Assatourian S, Labrousse L, Rémy A, Ouattara A. Reduced Length of Hospital Stay for Cardiac Surgery—Implementing an Optimized Perioperative Pathway: Prospective Evaluation of an Enhanced Recovery After Surgery Program Designed for Mini-Invasive Aortic Valve Replacement. J Cardiothorac Vasc Anesth 2019; 33:3010-3019. [DOI: 10.1053/j.jvca.2019.05.006] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 05/02/2019] [Accepted: 05/04/2019] [Indexed: 12/21/2022]
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Mathis MR, Duggal NM, Likosky DS, Haft JW, Douville NJ, Vaughn MT, Maile MD, Blank RS, Colquhoun DA, Strobel RJ, Janda AM, Zhang M, Kheterpal S, Engoren MC. Intraoperative Mechanical Ventilation and Postoperative Pulmonary Complications after Cardiac Surgery. Anesthesiology 2019; 131:1046-1062. [PMID: 31403976 PMCID: PMC6800803 DOI: 10.1097/aln.0000000000002909] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Compared with historic ventilation strategies, modern lung-protective ventilation includes lower tidal volumes (VT), lower driving pressures, and application of positive end-expiratory pressure (PEEP). The contributions of each component to an overall intraoperative protective ventilation strategy aimed at reducing postoperative pulmonary complications have neither been adequately resolved, nor comprehensively evaluated within an adult cardiac surgical population. The authors hypothesized that a bundled intraoperative protective ventilation strategy was independently associated with decreased odds of pulmonary complications after cardiac surgery. METHODS In this observational cohort study, the authors reviewed nonemergent cardiac surgical procedures using cardiopulmonary bypass at a tertiary care academic medical center from 2006 to 2017. The authors tested associations between bundled or component intraoperative protective ventilation strategies (VT below 8 ml/kg ideal body weight, modified driving pressure [peak inspiratory pressure - PEEP] below 16 cm H2O, and PEEP greater than or equal to 5 cm H2O) and postoperative outcomes, adjusting for previously identified risk factors. The primary outcome was a composite pulmonary complication; secondary outcomes included individual pulmonary complications, postoperative mortality, as well as durations of mechanical ventilation, intensive care unit stay, and hospital stay. RESULTS Among 4,694 cases reviewed, 513 (10.9%) experienced pulmonary complications. After adjustment, an intraoperative lung-protective ventilation bundle was associated with decreased pulmonary complications (adjusted odds ratio, 0.56; 95% CI, 0.42-0.75). Via a sensitivity analysis, modified driving pressure below 16 cm H2O was independently associated with decreased pulmonary complications (adjusted odds ratio, 0.51; 95% CI, 0.39-0.66), but VT below 8 ml/kg and PEEP greater than or equal to 5 cm H2O were not. CONCLUSIONS The authors identified an intraoperative lung-protective ventilation bundle as independently associated with pulmonary complications after cardiac surgery. The findings offer insight into components of protective ventilation associated with adverse outcomes and may serve as targets for future prospective interventional studies investigating the impact of specific protective ventilation strategies on postoperative outcomes after cardiac surgery.
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Affiliation(s)
- Michael R. Mathis
- Department of Anesthesiology, University of Michigan Medical School, Ann Arbor, Michigan
| | - Neal M. Duggal
- Department of Anesthesiology, University of Michigan Medical School, Ann Arbor, Michigan
| | - Donald S. Likosky
- Department of Cardiac Surgery, University of Michigan Medical School, Ann Arbor, Michigan
| | - Jonathan W. Haft
- Department of Cardiac Surgery, University of Michigan Medical School, Ann Arbor, Michigan
| | - Nicholas J. Douville
- Department of Anesthesiology, University of Michigan Medical School, Ann Arbor, Michigan
| | - Michelle T. Vaughn
- Department of Anesthesiology, University of Michigan Medical School, Ann Arbor, Michigan
| | - Michael D. Maile
- Department of Anesthesiology, University of Michigan Medical School, Ann Arbor, Michigan
| | - Randal S. Blank
- Department of Anesthesiology, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Douglas A. Colquhoun
- Department of Anesthesiology, University of Michigan Medical School, Ann Arbor, Michigan
| | - Raymond J. Strobel
- Department of Cardiac Surgery, University of Michigan Medical School, Ann Arbor, Michigan
| | - Allison M. Janda
- Department of Anesthesiology, University of Michigan Medical School, Ann Arbor, Michigan
| | - Min Zhang
- Department of Biostatistics, University of Michigan, Ann Arbor, Michigan
| | - Sachin Kheterpal
- Department of Anesthesiology, University of Michigan Medical School, Ann Arbor, Michigan
| | - Milo C. Engoren
- Department of Anesthesiology, University of Michigan Medical School, Ann Arbor, Michigan
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Li P, Zeng J, Wei W, Lin J. The effects of ventilation on left-to-right shunt and regional cerebral oxygen saturation: a self-controlled trial. BMC Anesthesiol 2019; 19:178. [PMID: 31597560 PMCID: PMC6784331 DOI: 10.1186/s12871-019-0852-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 09/20/2019] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Increase of pulmonary vascular resistance (PVR) is an efficient method of modulating pulmonary and systemic blood flows (Qp/Qs) for patients with left-to-right (L-R) shunt, and is also closely associated with insufficient oxygen exchange for pulmonary hypoperfusion. So that it might be a preferred regime of maintaining arterial partial pressure of carbon dioxide tension (PaCO2) within an optimal boundary via ventilation management in congenital heart disease (CHD) patients for the inconvenient measure of the PVR and Qp/Qs. However, the appropriate range of PaCO2 and patient-specific mechanical ventilation settings remain controversial for CHD children with L-R shunt. METHODS Thirty-one pediatric patients with L-R shunt, 1-6 yr of age, were included in this observation study. Patients were ventilated with tidal volume (VT) of 10, 8 and 6 ml/kg in sequence, and 15 min stabilization period for individual VT. The velocity time integral (VTI) of L-R shunt, pulmonary artery (PA) and descending aorta (DA) were measured with transesophageal echocardiography (TEE) after an initial 15 min stabilization period for each VT, with arterial blood gas analysis. Near-infrared spectroscopy sensor were positioned on the surface of the bilateral temporal artery to monitor the change in regional cerebral oxygen saturation (rScO2). RESULTS PaCO2 was 31.51 ± 0.65 mmHg at VT 10 ml/kg vs. 37.15 ± 0.75 mmHg at VT 8 ml/kg (P < 0.03), with 44.24 ± 0.99 mmHg at VT 6 ml/kg significantly higher than 37.15 ± 0.75 mmHg at VT 8 ml/kg. However, PaO2 at a VT of 6 ml/kg was lower than that at a VT of 10 ml/kg (P = 0.05). Meanwhile, 72% (22/31) patients had PaCO2 in the range of 40-50 mmHg at VT 6 ml/kg. VTI of L-R shunt and PA at VT 6 ml/kg were lower than that at VT of 8 and 10 ml/kg (P < 0.05). rScO2 at a VT of 6 ml/kg was higher than that at a VT of 8 and 10 ml/kg (P < 0.05), with a significantly correlation between rScO2 and PaCO2 (r = 0.53). VTI of PA in patients with defect diameter > 10 mm was higher that that in patients with defect diameter ≤ 10 mm. CONCLUSIONS Maintaining PaCO2 in the boundary of 40-50 mmHg with VT 6 ml/kg might be a feasible ventilation regime to achieve better oxygenation for patients with L-R shunt. Continue raising PaCO2 should be careful. TRAIL REGISTRATION Clinical Trial Registry of China (http://www.chictr.org.cn) identifier: ChiCTR-OOC-17011338 , prospectively registered on May 9, 2017.
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Affiliation(s)
- Peiyi Li
- Institute of Hospital Management, West China Hospital, Sichuan University, Guo Xue Xiang 37, Chengdu, Sichuan, China.,Department of Anesthesiology, West China Hospital, Sichuan University, Guo Xue Xiang 37, Chengdu, 610041, Sichuan, China
| | - Jun Zeng
- Department of Anesthesiology, West China Hospital, Sichuan University, Guo Xue Xiang 37, Chengdu, 610041, Sichuan, China
| | - Wei Wei
- Department of Anesthesiology, West China Hospital, Sichuan University, Guo Xue Xiang 37, Chengdu, 610041, Sichuan, China.
| | - Jing Lin
- Department of Anesthesiology, West China Hospital, Sichuan University, Guo Xue Xiang 37, Chengdu, 610041, Sichuan, China
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The effect of preoperative respiratory physiotherapy and motor exercise in patients undergoing elective cardiac surgery: short-term results. POLISH JOURNAL OF THORACIC AND CARDIOVASCULAR SURGERY 2019; 16:81-87. [PMID: 31410095 PMCID: PMC6690146 DOI: 10.5114/kitp.2019.86360] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Accepted: 05/11/2019] [Indexed: 11/17/2022]
Abstract
Introduction Loss of physical activity and pulmonary dysfunction with its associated complications represent two of the most important causes of morbidity and mortality following cardiac surgery. Few studies have investigated the effects of preoperative interventions targeted at improving cardiorespiratory and musculoskeletal function in the postoperative period. Aim To evaluate whether a physiotherapy program based on respiratory training with or without musculoskeletal mobilization, started preoperatively, may provide a significant improvement in pulmonary and musculoskeletal recovery postoperatively in patients undergoing elective cardiac surgery. Material and methods Patients with similar baseline and preoperative characteristics were randomly assigned to a preoperative respiratory physiotherapy protocol (group A), a preoperative respiratory and motor physiotherapy protocol (group B), or no preoperative specific physiotherapy protocol but only a simplified perioperative standard physiotherapy protocol (control group or group C). Group A consisted of 19 patients, group B of 20, group C of 20. Data on 6-minute walking test, peak expiratory flow, and from blood gas analysis were retrospectively analyzed. Results As compared with group C, a statistically significant improvement was observed in the two preoperatively treated groups A and B in terms of longer pre- and postoperative distance traveled at the 6-minute walking test, better pre- and postoperative peak expiratory flow value, and better PaO2 and SaO2 values in postoperative blood gas measurements (p < 0.05, for all comparisons). A statistically significant reduction of the postoperative length of in-hospital stay was also observed in group B. Conclusions As compared with the control group, substantially better clinical results for respiratory and musculoskeletal function were found in the groups preoperatively treated with physiotherapeutic protocols immediately before as well as after cardiac surgery.
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Schraufnagel DP, Elgharably H, Siddiqi S, Hakim AH, Sale S, Mehta A, Skubas NJ, Gordon SM, Bakaeen F, Gillinov AM, Svensson LG, Navia JL. Value of perioperative inhaled epoprostenol with low tidal volume ventilation for complex endocarditis surgery. J Card Surg 2019; 34:676-683. [DOI: 10.1111/jocs.14095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Accepted: 05/17/2019] [Indexed: 11/28/2022]
Affiliation(s)
- Dean P. Schraufnagel
- Department of Thoracic and Cardiovascular SurgeryCleveland Clinic Foundation Cleveland Ohio
| | - Haytham Elgharably
- Department of Thoracic and Cardiovascular SurgeryCleveland Clinic Foundation Cleveland Ohio
| | - Shirin Siddiqi
- Department of Thoracic and Cardiovascular SurgeryCleveland Clinic Foundation Cleveland Ohio
| | - Ali H. Hakim
- Department of Thoracic and Cardiovascular SurgeryCleveland Clinic Foundation Cleveland Ohio
| | - Shiva Sale
- Department of Thoracic and Cardiovascular SurgeryCleveland Clinic Foundation Cleveland Ohio
| | - Anand Mehta
- Department of Thoracic and Cardiovascular SurgeryCleveland Clinic Foundation Cleveland Ohio
| | - Nikolaos J. Skubas
- Department of Thoracic and Cardiovascular SurgeryCleveland Clinic Foundation Cleveland Ohio
| | - Steven M. Gordon
- Department of Thoracic and Cardiovascular SurgeryCleveland Clinic Foundation Cleveland Ohio
| | - Faisal Bakaeen
- Department of Thoracic and Cardiovascular SurgeryCleveland Clinic Foundation Cleveland Ohio
| | - A. Marc Gillinov
- Department of Thoracic and Cardiovascular SurgeryCleveland Clinic Foundation Cleveland Ohio
| | - Lars G. Svensson
- Department of Thoracic and Cardiovascular SurgeryCleveland Clinic Foundation Cleveland Ohio
| | - Jose L. Navia
- Department of Thoracic and Cardiovascular SurgeryCleveland Clinic Foundation Cleveland Ohio
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Ventilation strategies with different inhaled Oxygen conceNTration during CardioPulmonary Bypass in cardiac surgery (VONTCPB): study protocol for a randomized controlled trial. Trials 2019; 20:254. [PMID: 31053081 PMCID: PMC6500061 DOI: 10.1186/s13063-019-3335-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 03/28/2019] [Indexed: 02/05/2023] Open
Abstract
Background There is no consensus on the ventilation management during cardiopulmonary bypass (CPB), and the anesthesiologists or the surgeons usually ventilate the lungs with different ventilation strategies or keep them static. Better outcomes are more likely to occur when the ventilation is administered during CPB according to the existing literatures. However, the use of high fraction of inspired oxygen (FiO2) is debatable in cardiac surgery. And the potential effects of strategies combining low tidal volume (VT) ventilation with different FiO2 during CPB on postoperative pulmonary complications (PPCs) are unclear. Design The VONTCPB trial is a single-center, prospective, double-blinded, randomized, controlled trial. We are going to recruit total 420 elective cardiac surgery patients with median sternotomy under CPB, who will be equally randomized into three different ventilation strategy groups: NoV, LOV and HOV. (1) The NoV group receives no mechanical ventilation during CPB; (2) the LOV group receives a low VT of 3-4 ml/kg of ideal body weight (IBW) with the respiratory rate (RR) of 10–12 acts/min, and the positive end-expiratory pressure (PEEP) of 5–8 cmH2O during CPB; the FiO2 is 30%; (3) the HOV group receives a low VT of 3-4 ml/kg of IBW with the RR of 10–12 acts/min, and the PEEP of 5–8 cmH2O during CPB; the FiO2 is 80%. The primary endpoints are the incidence of the composite of PPCs and the PPCs score. The secondary endpoints refer to the incidence of the oxygenation index (PaO2/FiO2 ratio) < 300 mmHg at three time points (the moment arriving in the ICU, 6 and 12 h after arrival in the ICU), the surgical incision healing grade, the intubation time, the stay of ICU, the length of hospital stay, and mortality at 30 days after the surgery. Discussion The VONTCPB trial is the first study to assess the effects of strategies combining low tidal volume (VT) ventilation with different FiO2 during CPB on patients’ outcomes. Trial registration ChiCTR1800015261. Registered on 20 March 2018. Electronic supplementary material The online version of this article (10.1186/s13063-019-3335-2) contains supplementary material, which is available to authorized users.
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Bignami E, Di Lullo A, Saglietti F, Guarnieri M, Pota V, Scolletta S, Volta CA, Vetrugno L, Cavaliere F, Tritapepe L. Routine practice in mechanical ventilation in cardiac surgery in Italy. J Thorac Dis 2019; 11:1571-1579. [PMID: 31179101 PMCID: PMC6531757 DOI: 10.21037/jtd.2019.03.04] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 01/24/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND Management of mechanical ventilation is a key issue in the prevention of postoperative pulmonary complications (PPCs) and the improvement of surgical outcome. This is especially true in cardiac surgery where the use of the cardiopulmonary bypass (CPB) increases the risk of lung injury. In the last years a growing number of studies have shown that protective ventilation has led to excellent results. However, the literature in this regard is lacking in cardiac surgery and there are no univocal guidelines in this sense. The aim of this survey was to investigate the actual clinical practice about ventilation techniques used in the Italian cardiac surgery centers. METHODS A questionnaire of 32-item was sent to 69 Italian cardiac surgery centers, 56 of which return a completed form (81.2%). The questionnaire was assembled by three independent researchers and the final version was e-mailed to all members of the SIAARTI (Italian society of anesthesia resuscitation and intensive care medicine) Study Group on Cardiothoracic and Vascular Anesthesia. The answers were collected using a Google Forms sheet. In case of multiple questionnaires returned from the same center (i.e., different physicians from the same center responded) the head of department was asked to give a definite answer. Furthermore, for the 17 centers who reported multiple questionnaires, no large differences were found between the responses of different doctors belonging to the same center (12.3%±4.2% of discordant answers). RESULTS Intraoperatively, patients were ventilated with a tidal volume (TV) of 6-8 mL/kg (91.1% of centers), a positive end-expiration pressure of 3-5 cmH2O (76.8% of centers) and a fraction of inspired oxygen (FiO2) of 50-80% (60.7% of centers). During the CPB, the "stop ventilation" technique was frequently adopted (73.2%). Before the discharge from the intensive care unit (ICU) non-invasive ventilation (NIV) was never applied in 32.1% of the centers, but it was used in 46.4% of patients with postoperative complications. CONCLUSIONS This study shows a significant heterogeneity in ventilatory techniques among the Italian centers during CPB, whereas in the other surgical time the majority of the responding centers adopted a protective mechanical ventilation strategy.
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Affiliation(s)
- Elena Bignami
- Anesthesiology, Critical Care and Pain Medicine Division, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Antonio Di Lullo
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | | | - Marcello Guarnieri
- University of Milan-Bicocca, School of Medicine and Surgery, Monza, Italy
| | - Vincenzo Pota
- Department of Women, Child, General and Surgical Surgery, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Sabino Scolletta
- Unit of Resuscitation, Critical Care, Anesthesia and Intensive Care, University of Siena, Siena, Italy
| | - Carlo Alberto Volta
- Department of Morphology Surgery and Experimental Medicine, Section of Anesthesia and Intensive Care, University of Ferrara, Ferrara, Italy
| | - Luigi Vetrugno
- Department of Medicine, University of Udine, Udine, Italy
| | - Franco Cavaliere
- Institute of Anesthesia and Intensive Care, Sacro Cuore Catholic University, A. Gemelli Polyclinic, Rome, Italy
| | - Luigi Tritapepe
- Department of Cardiovascular, Respiratory, Nephrological, Anaesthetic and Geriatric Sciences, Sapienza University of Rome, Rome, Italy
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Arslan M, Öçmen E, Duru S, Şaşmaz B, Özbılgın Ş, Hepağuşlar H. Respiratory mechanics with volume-controlled auto-flow ventilation mode in cardiac surgery. Saudi J Anaesth 2019; 13:40-45. [PMID: 30692887 PMCID: PMC6329235 DOI: 10.4103/sja.sja_615_18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Aim: We aimed to investigate the changes in respiratory mechanics in adult patients undergoing open heart surgery (OHS) while using volume-controlled auto-flow (VCAF) ventilation mode. Materials and Methods: After obtaining ethics committee's approval and informed consent, 30 patients (17 males and 13 females; mean age: 57.3 ± 17.0 years; mean weight; 74.9 ± 13.6 kg) scheduled for OHS were enrolled. Mechanical ventilation was carried out using VCAF mode (VT: 5–8 mL/kg, I/E: 1/2, 10 ± 2 fr/min). Values of dynamic compliance (Cdyn) and resistance (R) were obtained at six time points (TPs). Normally distributed variables were analyzed with repeated measure of analysis of variance and Bonferroni tests. For abnormally distributed variables, Friedman variance analysis and Wilcoxon signed-rank tests were used. Values were expressed as mean ± standard deviation. P value <0.05 was considered significant. Results: Cdyn (mL/mbar) and R (mbar/L/s) values were as follows – (1) before sternotomy (S): 49.9 ± 17.1 and 7.8 ± 3.6; (2) after S: 56.7 ± 18.3 and 7.1 ± 3.7; (3) after S and after sternal retractor placement: 48.7 ± 16.1 and 8.3 ± 4.4; (4) after weaning from cardiopulmonary bypass and following decannulation while retractor was in place: 49.6 ± 16.5 and 8.1 ± 4.0; (5) after retractor removal: 56.5 ± 19.6 and 7.4 ± 3.7; and (6) after sternal closure: 43.1 ± 14.2 and 9.6 ± 9.1, respectively. Significant differences were observed in Cdyn and R between; first and second TPs, second and third TPs, fourth and fifth TPs, and fifth and sixth TPs. Also, significant difference in Cdyn was found between first and sixth TPs, but it was not found in R. Conclusion: Cdyn decreases, but R remains the same in cardiac surgical patients when mechanical ventilation is performed with VCAF ventilation mode. Additionally, Cdyn is negatively affected by the presence of sternal retractor and the sternal closure in OHS.
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Affiliation(s)
- Murat Arslan
- Department of Anesthesiology and Reanimation, Intensive Care Unit, Medical School, Ege University, Izmir, Turkey
| | - Elvan Öçmen
- Department of Anesthesiology and Reanimation, Medical School, Dokuz Eylül University, Izmir, Turkey
| | - Seden Duru
- Division of Anesthesiology and Reanimation, Medicalpark Hospital, Izmir, Turkey
| | - Belkis Şaşmaz
- Division of Anesthesiology and Reanimation, Gaziemir Nevvar Salih İşgören State Hospital, Izmir, Turkey
| | - Şule Özbılgın
- Department of Anesthesiology and Reanimation, Medical School, Dokuz Eylül University, Izmir, Turkey
| | - Hasan Hepağuşlar
- Department of Anesthesiology and Reanimation, Medical School, Dokuz Eylül University, Izmir, Turkey
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Kogan A, Segel M, Ram E, Raanani E, Peled-Potashnik Y, Levin S, Sternik L. Acute Respiratory Distress Syndrome following Cardiac Surgery: Comparison of the American-European Consensus Conference Definition versus the Berlin Definition. Respiration 2019; 97:518-524. [DOI: 10.1159/000495511] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 11/15/2018] [Indexed: 01/02/2023] Open
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Lagier D, Fischer F, Fornier W, Fellahi JL, Colson P, Cholley B, Jaber S, Baumstarck K, Guidon C. A perioperative surgeon-controlled open-lung approach versus conventional protective ventilation with low positive end-expiratory pressure in cardiac surgery with cardiopulmonary bypass (PROVECS): study protocol for a randomized controlled trial. Trials 2018; 19:624. [PMID: 30424770 PMCID: PMC6234562 DOI: 10.1186/s13063-018-2967-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 10/08/2018] [Indexed: 12/16/2022] Open
Abstract
Background Postoperative pulmonary complications (PPCs) are frequent after on-pump cardiac surgery. Cardiac surgery results in a complex pulmonary insult leading to high susceptibility to perioperative pulmonary atelectasis. For technical reasons, ventilator settings interact with the surgical procedure and traditionally, low levels of positive end-expiratory pressure (PEEP) have been used. The objective is to compare a perioperative, multimodal and surgeon-controlled open-lung approach with conventional protective ventilation with low PEEP to prevent PPCs in patients undergoing cardiac surgery. Methods/design The perioperative open-lung protective ventilation in cardiac surgery (PROVECS) trial is a multicenter, two-arm, randomized controlled trial. In total, 494 patients scheduled for elective cardiac surgery with cardiopulmonary bypass (CPB) and aortic cross-clamp will be randomized into one of the two treatment arms. In the experimental group, systematic recruitment maneuvers and perioperative high PEEP (8 cmH2O) are associated with ultra-protective ventilation during CPB. In this group, the settings of the ventilator are controlled by surgeons in relation to standardized protocol deviations. In the control group, no recruitment maneuvers, low levels of PEEP (2 cmH2O) and continuous positive airway pressure during CPB (2 cmH2O) are used. Low tidal volumes (6–8 mL/kg of predicted body weight) are used before and after CPB in each group. The primary endpoint is a composite of the single PPCs evaluated during the first 7 postoperative days. Discussion The PROVECS trial will be the first multicenter randomized controlled trial to evaluate the impact of a perioperative and multimodal open-lung ventilatory strategy on the occurrence of PPCs after on-pump cardiac surgery. The trial design includes standardized surgeon-controlled protocol deviations that guarantee a pragmatic approach. The results will help anesthesiologists and surgeons aiming to optimize ventilatory settings during cardiac surgery. Trial registration Clinical Trials.gov, NCT 02866578. Registered on 15 August 2016. Last updated 11 July 2017. Electronic supplementary material The online version of this article (10.1186/s13063-018-2967-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- David Lagier
- Department of Cardiovascular Anesthesiology and Critical Care Medicine, La Timone University Hospital, AP-HM and Aix-Marseille University, 264 rue saint Pierre, 13005, cedex 5, Marseille, France.
| | - François Fischer
- Department of Cardiovascular and Thoracic Anesthesiology, Nouvel Hôpital Civil, Strasbourg, France
| | - William Fornier
- Department of Anesthesiology and Critical Care Medicine, Louis Pradel University Hospital and University Claude Bernard, 28 Avenue du Doyen Lépine, 69677, Bron, France
| | - Jean-Luc Fellahi
- Department of Anesthesiology and Critical Care Medicine, Louis Pradel University Hospital and University Claude Bernard, 28 Avenue du Doyen Lépine, 69677, Bron, France
| | - Pascal Colson
- Department of Anesthesiology and Critical Care Medicine, Arnaud de Villeneuve University Hospital, 371 Avenue du Doyen Gaston Giraud, 34295, Montpellier, France
| | - Bernard Cholley
- Department of Anesthesiology and Critical Care Medicine, Hôpital Européen Georges Pompidou, AP-HP and University Paris Descartes-Sorbonne Paris Cité, 20 Rue Leblanc, 75015, Paris, France
| | - Samir Jaber
- Department of Anesthesiology and Critical Care Medicine, Saint Eloi University Hospital, 80 Avenue Augustin Fliche, 34295, Montpellier, France
| | - Karine Baumstarck
- Unité de Recherche EA3279, Aix-Marseille University, 27 bd Jean Moulin, Marseille, cedex 5, 13385, Marseille, France
| | - Catherine Guidon
- Department of Cardiovascular Anesthesiology and Critical Care Medicine, La Timone University Hospital, AP-HM and Aix-Marseille University, 264 rue saint Pierre, 13005, cedex 5, Marseille, France
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Bignami E, Saglietti F, Di Lullo A. Mechanical ventilation management during cardiothoracic surgery: an open challenge. ANNALS OF TRANSLATIONAL MEDICINE 2018; 6:380. [PMID: 30460254 DOI: 10.21037/atm.2018.06.08] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Mechanical ventilation during surgery is a highly complex procedure, particularly in cardiothoracic surgery, where patients need to undergo substantial hemodynamic management, involving large fluid exchanges and pharmacological manipulation of vascular resistance, as well as direct manipulation of the lungs themselves. Cardiothoracic surgery is burdened by a high rate of postoperative pulmonary complication (PPC), comorbidity, and mortality. Recent trials have examined various techniques to preserve lung function, although consensus on best practice has yet to be reached. This might be due to the close relationship between the circulatory and pulmonary systems. The use of a technique designed to prevent pulmonary complication might negatively impact the hemodynamics of an already critical patient. Stress-induced lung injury can occur during surgery for various reasons, some of which have yet to be fully investigated. In cardiac surgery, this damage is mainly ascribed to two events: cardiopulmonary bypass (CPB) and sternotomy. In thoracic surgery, on the other hand, overdistention and permissive hyperoxia, both routinely used on one lung to compensate for the collapse of the other, are generally to blame for lung injury. In recent years "protective" ventilation strategies have been proposed to spare lung parenchyma from stress-induced damage. Despite the growing interest in protective ventilation techniques, there are still no clear international guidelines for mechanical ventilation in cardiothoracic surgery. However, some recent progress has been made, with positive clinical outcomes.
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Affiliation(s)
- Elena Bignami
- Anesthesiology, Critical Care and Pain Medicine Division, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Francesco Saglietti
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Antonio Di Lullo
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy
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Bhatia M, Kidd B, Kumar PA. Pro: Mechanical Ventilation Should Be Continued During Cardiopulmonary Bypass. J Cardiothorac Vasc Anesth 2018; 32:1998-2000. [DOI: 10.1053/j.jvca.2018.02.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Indexed: 11/11/2022]
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Bignami E, Guarnieri M, Saglietti F, Maglioni EM, Scolletta S, Romagnoli S, De Paulis S, Paternoster G, Trumello C, Meroni R, Scognamiglio A, Budillon AM, Pota V, Zangrillo A, Alfieri O. Different strategies for mechanical VENTilation during CardioPulmonary Bypass (CPBVENT 2014): study protocol for a randomized controlled trial. Trials 2017; 18:264. [PMID: 28592276 PMCID: PMC5463370 DOI: 10.1186/s13063-017-2008-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Accepted: 05/22/2017] [Indexed: 11/24/2022] Open
Abstract
Background There is no consensus on which lung-protective strategies should be used in cardiac surgery patients. Sparse and small randomized clinical and animal trials suggest that maintaining mechanical ventilation during cardiopulmonary bypass is protective on the lungs. Unfortunately, such evidence is weak as it comes from surrogate and minor clinical endpoints mainly limited to elective coronary surgery. According to the available data in the academic literature, an unquestionable standardized strategy of lung protection during cardiopulmonary bypass cannot be recommended. The purpose of the CPBVENT study is to investigate the effectiveness of different strategies of mechanical ventilation during cardiopulmonary bypass on postoperative pulmonary function and complications. Methods/design The CPBVENT study is a single-blind, multicenter, randomized controlled trial. We are going to enroll 870 patients undergoing elective cardiac surgery with planned use of cardiopulmonary bypass. Patients will be randomized into three groups: (1) no mechanical ventilation during cardiopulmonary bypass, (2) continuous positive airway pressure of 5 cmH2O during cardiopulmonary bypass, (3) respiratory rate of 5 acts/min with a tidal volume of 2–3 ml/Kg of ideal body weight and positive end-expiratory pressure of 3–5 cmH2O during cardiopulmonary bypass. The primary endpoint will be the incidence of a PaO2/FiO2 ratio <200 until the time of discharge from the intensive care unit. The secondary endpoints will be the incidence of postoperative pulmonary complications and 30-day mortality. Patients will be followed-up for 12 months after the date of randomization. Discussion The CPBVENT trial will establish whether, and how, different ventilator strategies during cardiopulmonary bypass will have an impact on postoperative pulmonary complications and outcomes of patients undergoing cardiac surgery. Trial registration ClinicalTrials.gov, ID: NCT02090205. Registered on 8 March 2014. Electronic supplementary material The online version of this article (doi:10.1186/s13063-017-2008-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Elena Bignami
- Department of Anaesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy.
| | - Marcello Guarnieri
- Department of Anaesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Francesco Saglietti
- Department of Anaesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Enivarco Massimo Maglioni
- Department of Anaesthesia, Intensive Care and Medical Biotechnologies University of Siena, Siena, Italy
| | - Sabino Scolletta
- Department of Anaesthesia, Intensive Care and Medical Biotechnologies University of Siena, Siena, Italy
| | - Stefano Romagnoli
- Department of Anaesthesiology and Intensive Care, Azienda Ospedaliera Universitaria Careggi, Florence, Italy
| | - Stefano De Paulis
- Department of Cardiovascular Sciences, Catholic University of the Sacred Heart, 00168, Rome, Italy
| | - Gianluca Paternoster
- Department of Cardiovascular Anaesthesia and Intensive Care, Azienda Ospedaliera S. Carlo, Potenza, Italy
| | - Cinzia Trumello
- Department of Cardiac Surgery, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Roberta Meroni
- Department of Anaesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Antonio Scognamiglio
- Section of Anesthesia and Intensive Care, Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Via Pansini 16, Naples, Italy
| | | | - Vincenzo Pota
- Department of Anesthesia and Intensive Care, Pineta Grande Private Hospital, 80122, Castelvolturno, Italy
| | - Alberto Zangrillo
- Department of Anaesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Ottavio Alfieri
- Department of Cardiac Surgery, Parma University Hospital, Parma, Italy
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Bignami E, Guarnieri M, Saglietti F, Belletti A, Trumello C, Giambuzzi I, Monaco F, Alfieri O. Mechanical Ventilation During Cardiopulmonary Bypass. J Cardiothorac Vasc Anesth 2016; 30:1668-1675. [DOI: 10.1053/j.jvca.2016.03.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Indexed: 11/11/2022]
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Courteille B, Brunet J, Ouattara A, Stéphan F, Gérard JL, Lorne E, Fischer MO. Protective ventilation during cardiac surgery: More than tidal volume? Anaesth Crit Care Pain Med 2016; 36:133-134. [PMID: 27890851 DOI: 10.1016/j.accpm.2016.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 10/03/2016] [Accepted: 11/03/2016] [Indexed: 10/20/2022]
Affiliation(s)
- Benoît Courteille
- Pôle réanimations anesthésie Samu/Smur, CHU de Caen, avenue de la Côte-de-Nacre, CS 30001, 14000 Caen, France
| | - Jennifer Brunet
- Pôle réanimations anesthésie Samu/Smur, CHU de Caen, avenue de la Côte-de-Nacre, CS 30001, 14000 Caen, France
| | - Alexandre Ouattara
- CHU de Bordeaux, Department of Anaesthesia and Critical Care II, place Amélie-Raba-Léon, 33000 Bordeaux, France; Univ. Bordeaux, Biology of cardiovascular disease, U1034, F-33600 Pessac, France; INSERM, Biology of cardiovascular disease, U1034, F-33600 Pessac, France
| | - François Stéphan
- Service de réanimation adulte, centre chirurgical Marie-Lannelongue, 92350 Le-Plessis-Robinson, France
| | - Jean-Louis Gérard
- Pôle réanimations anesthésie Samu/Smur, CHU de Caen, avenue de la Côte-de-Nacre, CS 30001, 14000 Caen, France
| | - Emmanuel Lorne
- Anesthesiology and Critical Care Department, Amiens University Medical Center, avenue René-Laennec, 80054 Amiens, France; Inserm U1088, Jules Verne University of Picardy, centre universitaire de recherche en santé (CURS), chemin du Thil, 80025 Amiens cedex, France
| | - Marc-Olivier Fischer
- Pôle réanimations anesthésie Samu/Smur, CHU de Caen, avenue de la Côte-de-Nacre, CS 30001, 14000 Caen, France; EA 4650, université de Caen-Normandie, esplanade de la paix, CS 14032, 14000 Caen, France.
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