1
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Bolther M, Henriksen J, Holmberg MJ, Jessen MK, Vallentin MF, Hansen FB, Holst JM, Magnussen A, Hansen NS, Johannsen CM, Enevoldsen J, Jensen TH, Roessler LL, Carøe Lind P, Klitholm MP, Eggertsen MA, Caap P, Boye C, Dabrowski KM, Vormfenne L, Høybye M, Karlsson M, Balleby IR, Rasmussen MS, Pælestik K, Granfeldt A, Andersen LW. Ventilation Strategies During General Anesthesia for Noncardiac Surgery: A Systematic Review and Meta-Analysis. Anesth Analg 2022; 135:971-985. [PMID: 35703253 DOI: 10.1213/ane.0000000000006106] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND The optimal ventilation strategy during general anesthesia is unclear. This systematic review investigated the relationship between ventilation targets or strategies (eg, positive end-expiratory pressure [PEEP], tidal volume, and recruitment maneuvers) and postoperative outcomes. METHODS PubMed and Embase were searched on March 8, 2021, for randomized trials investigating the effect of different respiratory targets or strategies on adults undergoing noncardiac surgery. Two investigators reviewed trials for relevance, extracted data, and assessed risk of bias. Meta-analyses were performed for relevant outcomes, and several subgroup analyses were conducted. The certainty of evidence was evaluated using Grading of Recommendations Assessment, Development and Evaluation (GRADE). RESULTS This review included 63 trials with 65 comparisons. Risk of bias was intermediate for all trials. In the meta-analyses, lung-protective ventilation (ie, low tidal volume with PEEP) reduced the risk of combined pulmonary complications (odds ratio [OR], 0.37; 95% confidence interval [CI], 0.28-0.49; 9 trials; 1106 patients), atelectasis (OR, 0.39; 95% CI, 0.25-0.60; 8 trials; 895 patients), and need for postoperative mechanical ventilation (OR, 0.36; 95% CI, 0.13-1.00; 5 trials; 636 patients). Recruitment maneuvers reduced the risk of atelectasis (OR, 0.44; 95% CI, 0.21-0.92; 5 trials; 328 patients). We found no clear effect of tidal volume, higher versus lower PEEP, or recruitment maneuvers on postoperative pulmonary complications when evaluated individually. For all comparisons across targets, no effect was found on mortality or hospital length of stay. No effect measure modifiers were found in subgroup analyses. The certainty of evidence was rated as very low, low, or moderate depending on the intervention and outcome. CONCLUSIONS Although lung-protective ventilation results in a decrease in pulmonary complications, randomized clinical trials provide only limited evidence to guide specific ventilation strategies during general anesthesia for adults undergoing noncardiac surgery.
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Affiliation(s)
- Maria Bolther
- From the Department of Anesthesiology and Intensive Care
| | | | - Mathias J Holmberg
- Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Department of Cardiology, Viborg Regional Hospital, Viborg, Denmark
| | - Marie K Jessen
- Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Mikael F Vallentin
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Prehospital Emergency Medical Services, Central Denmark Region, Aarhus, Denmark
| | | | | | | | | | | | | | - Thomas H Jensen
- Department of Internal Medicine, University Hospital of North Norway, Narvik, Norway
| | - Lara L Roessler
- Department of Emergency Medicine, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | | | | | - Mark A Eggertsen
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Philip Caap
- From the Department of Anesthesiology and Intensive Care
| | - Caroline Boye
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | | | - Lasse Vormfenne
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Maria Høybye
- Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Mathias Karlsson
- Anesthesiology and Intensive Care, Aalborg University Hospital, Denmark
| | - Ida R Balleby
- National Hospital of the Faroe Islands, Torshavn, Faroe Islands
| | - Marie S Rasmussen
- Anesthesiology and Intensive Care, Aalborg University Hospital, Denmark
| | - Kim Pælestik
- Department of Anesthesiology and Intensive Care, Viborg Regional Hospital, Viborg, Denmark
| | - Asger Granfeldt
- From the Department of Anesthesiology and Intensive Care.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Lars W Andersen
- From the Department of Anesthesiology and Intensive Care.,Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Prehospital Emergency Medical Services, Central Denmark Region, Aarhus, Denmark
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2
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Holst JM, Klitholm MP, Henriksen J, Vallentin MF, Jessen MK, Bolther M, Holmberg MJ, Høybye M, Lind PC, Granfeldt A, Andersen LW. Intraoperative Respiratory and Hemodynamic Strategies for Reducing Nausea, Vomiting, and Pain after Surgery: Systematic Review and Meta-Analysis. Acta Anaesthesiol Scand 2022; 66:1051-1060. [PMID: 35924389 PMCID: PMC9545575 DOI: 10.1111/aas.14127] [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: 02/26/2022] [Revised: 07/08/2022] [Accepted: 07/21/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Despite improved medical treatment strategies, post-operative pain, nausea, and vomiting remain major challenges. This systematic review investigated the relationship between perioperative respiratory and hemodynamic interventions and postoperative pain, nausea, and vomiting. METHODS PubMed and Embase were searched on March 8, 2021 for randomized clinical trials investigating the effect of perioperative respiratory or hemodynamic interventions in adults undergoing non-cardiac surgery. Investigators reviewed trials for relevance, extracted data, and assessed risk of bias. Meta-analyses were performed when feasible. GRADE was used to assess the certainty in the evidence. RESULTS This review included 65 original trials; of these 48% had pain, nausea and/or vomiting as the primary focus. No reduction of postoperative pain was found in meta-analyses when comparing recruitment maneuvers with no recruitment, high (80%) to low (30%) fraction of oxygen, low (5-7 ml/kg) to high (9-12 ml/kg) tidal volume, or goal-directed hemodynamic therapy to standard care. In the meta-analysis comparing recruitment maneuvers with no recruitment maneuvers, patients undergoing laparoscopic gynecological surgery had less shoulder pain 24 hours postoperatively (mean difference in the numeric rating scale from 0 to 10: -1.1, 95% CI: -1.7, -0.5). In meta-analyses, comparing high to low fraction of inspired oxygen and goal-directed hemodynamic therapy to standard care in patients undergoing abdominal surgery, the risk of postoperative nausea and vomiting was reduced (odds ratio: 0.45, 95% CI: 0.24, 0.87 and 0.48, 95% CI: 0.27, 0.85). The certainty in the evidence was mostly very low to low. The results should be considered exploratory given the lack of pre-specified hypotheses and corresponding risk of Type 1 errors. CONCLUSION There is limited evidence regarding the impact of intraoperative respiratory and hemodynamic interventions on postoperative pain or nausea and vomiting. More definitive trials are needed to guide clinical care within this area. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Johanne M Holst
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
| | - Maibritt P Klitholm
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
| | - Jeppe Henriksen
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
| | - Mikael F Vallentin
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Prehospital Emergency Medical Services, Central Denmark Region, Aarhus, Denmark
| | - Marie K Jessen
- Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Maria Bolther
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
| | - Mathias J Holmberg
- Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Department of Anesthesiology and Intensive Care, Randers Regional Hospital, Randers, Denmark
| | - Maria Høybye
- Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Peter Carøe Lind
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Asger Granfeldt
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Lars W Andersen
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark.,Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Prehospital Emergency Medical Services, Central Denmark Region, Aarhus, Denmark
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3
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Jin D, Liu H, Kong X, Wei G, Peng K, Cheng H, Ji F. Effects of Driving Pressure-Guided Ventilation on Postoperative Pulmonary Complications in Prone-Positioned Patients Undergoing Spinal Surgery: A Randomized Controlled Clinical Trial. J INVEST SURG 2022; 35:1754-1760. [PMID: 35914894 DOI: 10.1080/08941939.2022.2107250] [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: 10/16/2022]
Abstract
BACKGROUND Prolonged spinal surgery in the prone position may lead to postoperative pulmonary complications (PPCs). We aimed to compare the effects of driving pressure-guided ventilation versus conventional protective ventilation on postoperative pulmonary complications in patients undergoing spinal surgery in the prone position. We hypothesized that driving pressure-guided ventilation would be associated with a decreased incidence of PPC. METHODS We enrolled 78 patients into this single-center, double-blind, randomized controlled trial. The driving pressure (DP) group (n = 40) received a tidal volume of 6 ml/kg of predicted body weight, individualized positive end-expiratory pressure (PEEP) which produced the lowest driving pressure (plateau pressure-PEEP), and a recruitment maneuver. The protective ventilation (PV) group (n = 38) received the same tidal volume and recruitment maneuver but with a fixed PEEP of 5 cm H2O. Our primary outcome was postoperative pulmonary complications based on Lung Ultrasound Scores (LUS) at the end of the surgery and the simplified Clinical Pulmonary Infection Score (sCPIS) on postoperative days (POD) 1 and 3. RESULTS DP patients had lower LUS and POD1 sCPIS than the PV group (p < 0.01). DP patients had lower driving pressure during the surgery than PV patients (p < 0.01). Perioperative arterial blood gases and hemodynamic parameters were comparable between the two groups (p > 0.05). The visual pain score (VAS) in postoperative days, drainage, and lengths of stay (LOS) were also similar between the two groups (p > 0.05). CONCLUSIONS Driving pressure-guided ventilation during spinal surgery with a prolonged prone patient position may reduce the incidence of early postoperative pulmonary complications, compared with conventional protective ventilation.
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Affiliation(s)
- Di Jin
- Department of Anesthesiology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Huayue Liu
- Department of Anesthesiology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Institute of Anesthesiology, Soochow University, Suzhou, China
| | - Xiaoqi Kong
- Department of Anesthesiology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Guangle Wei
- Institute of Anesthesiology, Soochow University, Suzhou, China
| | - Ke Peng
- Department of Anesthesiology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Institute of Anesthesiology, Soochow University, Suzhou, China
| | - Hao Cheng
- Department of Anesthesiology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Institute of Anesthesiology, Soochow University, Suzhou, China
| | - Fuhai Ji
- Department of Anesthesiology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Institute of Anesthesiology, Soochow University, Suzhou, China
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Lei M, Bao Q, Luo H, Huang P, Xie J. Effect of Intraoperative Ventilation Strategies on Postoperative Pulmonary Complications: A Meta-Analysis. Front Surg 2021; 8:728056. [PMID: 34671638 PMCID: PMC8521033 DOI: 10.3389/fsurg.2021.728056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 08/30/2021] [Indexed: 11/13/2022] Open
Abstract
Introduction: The role of intraoperative ventilation strategies in subjects undergoing surgery is still contested. This meta-analysis study was performed to assess the relationship between the low tidal volumes strategy and conventional mechanical ventilation in subjects undergoing surgery. Methods: A systematic literature search up to December 2020 was performed in OVID, Embase, Cochrane Library, PubMed, and Google scholar, and 28 studies including 11,846 subjects undergoing surgery at baseline and reporting a total of 2,638 receiving the low tidal volumes strategy and 3,632 receiving conventional mechanical ventilation, were found recording relationships between low tidal volumes strategy and conventional mechanical ventilation in subjects undergoing surgery. Odds ratio (OR) or mean difference (MD) with 95% confidence intervals (CIs) were calculated between the low tidal volumes strategy vs. conventional mechanical ventilation using dichotomous and continuous methods with a random or fixed-effect model. Results: The low tidal volumes strategy during surgery was significantly related to a lower rate of postoperative pulmonary complications (OR, 0.60; 95% CI, 0.44-0.83, p < 0.001), aspiration pneumonitis (OR, 0.63; 95% CI, 0.46-0.86, p < 0.001), and pleural effusion (OR, 0.72; 95% CI, 0.56-0.92, p < 0.001) compared to conventional mechanical ventilation. However, the low tidal volumes strategy during surgery was not significantly correlated with length of hospital stay (MD, -0.48; 95% CI, -0.99-0.02, p = 0.06), short-term mortality (OR, 0.88; 95% CI, 0.70-1.10, p = 0.25), atelectasis (OR, 0.76; 95% CI, 0.57-1.01, p = 0.06), acute respiratory distress (OR, 1.06; 95% CI, 0.67-1.66, p = 0.81), pneumothorax (OR, 1.37; 95% CI, 0.88-2.15, p = 0.17), pulmonary edema (OR, 0.70; 95% CI, 0.38-1.26, p = 0.23), and pulmonary embolism (OR, 0.65; 95% CI, 0.26-1.60, p = 0.35) compared to conventional mechanical ventilation. Conclusions: The low tidal volumes strategy during surgery may have an independent relationship with lower postoperative pulmonary complications, aspiration pneumonitis, and pleural effusion compared to conventional mechanical ventilation. This relationship encouraged us to recommend the low tidal volumes strategy during surgery to avoid any possible complications.
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Affiliation(s)
- Min Lei
- Department of Anesthesiology, Sir Run Run Shaw Hospital of School of Medicine, Zhejiang University, Zhejiang, China
| | - Qi Bao
- Department of Anesthesiology, Sir Run Run Shaw Hospital of School of Medicine, Zhejiang University, Zhejiang, China
| | - Huanyu Luo
- Department of Anesthesiology, Sir Run Run Shaw Hospital of School of Medicine, Zhejiang University, Zhejiang, China
| | - Pengfei Huang
- Department of Anesthesiology, Sir Run Run Shaw Hospital of School of Medicine, Zhejiang University, Zhejiang, China
| | - Junran Xie
- Department of Anesthesiology, Sir Run Run Shaw Hospital of School of Medicine, Zhejiang University, Zhejiang, China
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5
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Perioperative Care of Patients Undergoing Major Complex Spinal Instrumentation Surgery: Clinical Practice Guidelines From the Society for Neuroscience in Anesthesiology and Critical Care. J Neurosurg Anesthesiol 2021; 34:257-276. [PMID: 34483301 DOI: 10.1097/ana.0000000000000799] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 07/14/2021] [Indexed: 11/25/2022]
Abstract
Evidence-based standardization of the perioperative management of patients undergoing complex spine surgery can improve outcomes such as enhanced patient satisfaction, reduced intensive care and hospital length of stay, and reduced costs. The Society for Neuroscience in Anesthesiology and Critical Care (SNACC) tasked an expert group to review existing evidence and generate recommendations for the perioperative management of patients undergoing complex spine surgery, defined as surgery on 2 or more thoracic and/or lumbar spine levels. Institutional clinical management protocols can be constructed based on the elements included in these clinical practice guidelines, and the evidence presented.
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Longhini F, Pasin L, Montagnini C, Konrad P, Bruni A, Garofalo E, Murabito P, Pelaia C, Rondi V, Dellapiazza F, Cammarota G, Vaschetto R, Schultz MJ, Navalesi P. Intraoperative protective ventilation in patients undergoing major neurosurgical interventions: a randomized clinical trial. BMC Anesthesiol 2021; 21:184. [PMID: 34187530 PMCID: PMC8241565 DOI: 10.1186/s12871-021-01404-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 06/17/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Post-operative pulmonary complications (PPC) can develop in up to 13% of patients undergoing neurosurgical procedures and may adversely affect clinical outcome. The use of intraoperative lung protective ventilation (LPV) strategies, usually including the use of a low Vt, low PEEP and low plateau pressure, seem to reduce the risk of PPC and are strongly recommended in almost all surgical procedures. Nonetheless, feasibility of LPV strategies in neurosurgical patients are still debated because the use of low Vt during LPV might result in hypercapnia with detrimental effects on cerebrovascular physiology. Aim of our study was to determine whether LPV strategies would be feasible compared with a control group in adult patients undergoing cranial or spinal surgery. METHODS This single-centre, pilot randomized clinical trial was conducted at the University Hospital "Maggiore della Carità" (Novara, Italy). Adult patients undergoing major cerebral or spinal neurosurgical interventions with risk index for pulmonary post-operative complications > 2 and not expected to need post-operative intensive care unit (ICU) admission were considered eligible. Patients were randomly assigned to either LPV (Vt = 6 ml/kg of ideal body weight (IBW), respiratory rate initially set at 16 breaths/min, PEEP at 5 cmH2O and application of a recruitment manoeuvre (RM) immediately after intubation and at every disconnection from the ventilator) or control treatment (Vt = 10 ml/kg of IBW, respiratory rate initially set at 6-8 breaths/min, no PEEP and no RM). Primary outcomes of the study were intraoperative adverse events, the level of cerebral tension at dura opening and the intraoperative control of PaCO2. Secondary outcomes were the rate of pulmonary and extrapulmonary complications, the number of unplanned ICU admissions, ICU and hospital lengths of stay and mortality. RESULTS A total of 60 patients, 30 for each group, were randomized. During brain surgery, the number of episodes of intraoperative hypercapnia and grade of cerebral tension were similar between patients randomized to receive control or LPV strategies. No difference in the rate of intraoperative adverse events was found between groups. The rate of postoperative pulmonary and extrapulmonary complications and major clinical outcomes were similar between groups. CONCLUSIONS LPV strategies in patients undergoing major neurosurgical intervention are feasible. Larger clinical trials are needed to assess their role in postoperative clinical outcome improvements. TRIAL REGISTRATION registered on the Australian New Zealand Clinical Trial Registry ( www.anzctr.org.au ), registration number ACTRN12615000707561.
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Affiliation(s)
- Federico Longhini
- Anesthesia and Intensive Care, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy
| | - Laura Pasin
- Anesthesia and Intensive Care, University Hospital of Padua, Via Giustiniani 2, Padova, Italy.
| | - Claudia Montagnini
- Anesthesia and Intensive Care, "Maggiore Della Carità" Hospital, Novara, Italy
| | - Petra Konrad
- Anesthesia and Intensive Care, "Maggiore Della Carità" Hospital, Novara, Italy
| | - Andrea Bruni
- Anesthesia and Intensive Care, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy
| | - Eugenio Garofalo
- Anesthesia and Intensive Care, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy
| | - Paolo Murabito
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Corrado Pelaia
- Anesthesia and Intensive Care, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy
| | - Valentina Rondi
- Anesthesia and Intensive Care, "Maggiore Della Carità" Hospital, Novara, Italy
| | | | - Gianmaria Cammarota
- Anesthesia and Intensive Care, "Maggiore Della Carità" Hospital, Novara, Italy
| | - Rosanna Vaschetto
- Anesthesia and Intensive Care, "Maggiore Della Carità" Hospital, Novara, Italy
| | - Marcus J Schultz
- Department of Intensive Care, Academic Medical Center, Amsterdam, The Netherlands.,Laboratory of Experimental Intensive Care and Anesthesiology (LEICA), Academic Medical Center, Amsterdam, The Netherlands
| | - Paolo Navalesi
- Anesthesia and Intensive Care, University Hospital of Padua, Via Giustiniani 2, Padova, Italy.,Anesthesiology and Intensive Care Unit, Department of Medicine-DIMED, University of Padova, Padova, Italy
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7
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Ball L, Almondo C, Pelosi P. Perioperative Lung Protection: General Mechanisms and Protective Approaches. Anesth Analg 2020; 131:1789-1798. [DOI: 10.1213/ane.0000000000005246] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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8
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Jia Y, Leung SM, Turan A, Artis AS, Marciniak D, Mick S, Devarajan J, Duncan AE. Low Tidal Volumes Are Associated With Slightly Improved Oxygenation in Patients Having Cardiac Surgery. Anesth Analg 2020; 130:1396-1406. [DOI: 10.1213/ane.0000000000004608] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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9
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Effect of regular alveolar recruitment on intraoperative atelectasis in paediatric patients ventilated in the prone position: a randomised controlled trial. Br J Anaesth 2020; 124:648-655. [DOI: 10.1016/j.bja.2020.01.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 01/26/2020] [Accepted: 01/27/2020] [Indexed: 02/07/2023] Open
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10
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Robba C, Hemmes SNT, Serpa Neto A, Bluth T, Canet J, Hiesmayr M, Hollmann MW, Mills GH, Vidal Melo MF, Putensen C, Jaber S, Schmid W, Severgnini P, Wrigge H, Battaglini D, Ball L, Gama de Abreu M, Schultz MJ, Pelosi P. Intraoperative ventilator settings and their association with postoperative pulmonary complications in neurosurgical patients: post-hoc analysis of LAS VEGAS study. BMC Anesthesiol 2020; 20:73. [PMID: 32241266 PMCID: PMC7114790 DOI: 10.1186/s12871-020-00988-x] [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: 02/07/2020] [Accepted: 03/20/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Limited information is available regarding intraoperative ventilator settings and the incidence of postoperative pulmonary complications (PPCs) in patients undergoing neurosurgical procedures. The aim of this post-hoc analysis of the 'Multicentre Local ASsessment of VEntilatory management during General Anaesthesia for Surgery' (LAS VEGAS) study was to examine the ventilator settings of patients undergoing neurosurgical procedures, and to explore the association between perioperative variables and the development of PPCs in neurosurgical patients. METHODS Post-hoc analysis of LAS VEGAS study, restricted to patients undergoing neurosurgery. Patients were stratified into groups based on the type of surgery (brain and spine), the occurrence of PPCs and the assess respiratory risk in surgical patients in Catalonia (ARISCAT) score risk for PPCs. RESULTS Seven hundred eighty-four patients were included in the analysis; 408 patients (52%) underwent spine surgery and 376 patients (48%) brain surgery. Median tidal volume (VT) was 8 ml [Interquartile Range, IQR = 7.3-9] per predicted body weight; median positive end-expiratory pressure (PEEP) was 5 [3 to 5] cmH20. Planned recruitment manoeuvres were used in the 6.9% of patients. No differences in ventilator settings were found among the sub-groups. PPCs occurred in 81 patients (10.3%). Duration of anaesthesia (odds ratio, 1.295 [95% confidence interval 1.067 to 1.572]; p = 0.009) and higher age for the brain group (odds ratio, 0.000 [0.000 to 0.189]; p = 0.031), but not intraoperative ventilator settings were independently associated with development of PPCs. CONCLUSIONS Neurosurgical patients are ventilated with low VT and low PEEP, while recruitment manoeuvres are seldom applied. Intraoperative ventilator settings are not associated with PPCs.
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Affiliation(s)
- Chiara Robba
- Anaesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neurosciences, Largo Rosanna Benzi 8, 16131, Genoa, Italy.
| | - Sabrine N T Hemmes
- Department of Intensive Care, Amsterdam University Medical Centers, location 'AMC', Amsterdam, The Netherlands.,Department of Anaesthesiology, Amsterdam University Medical Centers, location 'AMC', Amsterdam, The Netherlands
| | - Ary Serpa Neto
- Department of Intensive Care, Amsterdam University Medical Centers, location 'AMC', Amsterdam, The Netherlands.,Department of Critical Care Medicine, Hospital Israelita Albert Einstein, Sao Paulo, Brazil
| | - Thomas Bluth
- Department of Anaesthesiology and Intensive Care Medicine, Pulmonary engineering group, University Hospital Carl Gustav Carus, Technische Universitat Dresden, Dresden, Germany
| | - Jaume Canet
- Department of Anaesthesiology and Postoperative Care, Hospital Universitari Germans Trials I Pujol, Barcelona, Spain
| | - Michael Hiesmayr
- Division Cardiac, Thoracic, Vascular Anesthesia and Intensive Care, Medical University Vienna, Vienna, Austria
| | - M Wiersma Hollmann
- Department of Anaesthesiology, Amsterdam University Medical Centers, location 'AMC', Amsterdam, The Netherlands
| | - Gary H Mills
- Operating Services, Critical Care and Anaesthesia, Sheffield Teaching Hospitals and University of Sheffield, Sheffield, UK
| | - Marcos F Vidal Melo
- Department of Anaesthesia, Critical Care and Pain Medicine, Massachussetts General Hospital, Boston, MA, USA
| | - Christian Putensen
- Department of Anesthesiology and Intenisve Care Medicine, University Hospital Bonn, Bonn, Germany
| | - Samir Jaber
- Department of Anaesthesia and Intensive Care, Saint Eloi Montpellier University Hospital, and PhyMedExp, University of Montpellier, Montpellier, France
| | - Werner Schmid
- Division Cardiac, Thoracic, Vascular Anesthesia and Intensive Care, Medical University Vienna, Vienna, Austria
| | - Paolo Severgnini
- Department of Biotechnology and Sciences of Life, ASST-Setteleghi Ospedale di circolo e Fondazione Macchi, University of Insubria, Varese, Italy
| | - Hermann Wrigge
- Department of Anesthesiology and Intensive Care Medicine, University of Leipzig, Leipzig, Germany
| | - Denise Battaglini
- Anaesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neurosciences, Largo Rosanna Benzi 8, 16131, Genoa, Italy.,Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
| | - Lorenzo Ball
- Anaesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neurosciences, Largo Rosanna Benzi 8, 16131, Genoa, Italy.,Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
| | - Marcelo Gama de Abreu
- Department of Anaesthesiology and Intensive Care Medicine, Pulmonary engineering group, University Hospital Carl Gustav Carus, Technische Universitat Dresden, Dresden, Germany
| | - Marcus J Schultz
- Department of Intensive Care, Amsterdam University Medical Centers, location 'AMC', Amsterdam, The Netherlands.,Mahidol-Oxford Tropical Medicine Research Unit (MORU), Mahidol University, Bangkok, Thailand
| | - Paolo Pelosi
- Anaesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neurosciences, Largo Rosanna Benzi 8, 16131, Genoa, Italy.,Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
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11
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Intraoperative ventilation strategies to prevent postoperative pulmonary complications: a network meta-analysis of randomised controlled trials. Br J Anaesth 2020; 124:324-335. [DOI: 10.1016/j.bja.2019.10.024] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 10/24/2019] [Accepted: 10/31/2019] [Indexed: 11/30/2022] Open
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12
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Abstract
This review is intended to provide a summary of the literature pertaining to the perioperative care of neurosurgical patients and patients with neurological diseases. General topics addressed in this review include general neurosurgical considerations, stroke, neurological monitoring, and perioperative disorders of cognitive function.
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Lung-protective ventilation for the surgical patient: international expert panel-based consensus recommendations. Br J Anaesth 2019; 123:898-913. [DOI: 10.1016/j.bja.2019.08.017] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 07/22/2019] [Accepted: 08/04/2019] [Indexed: 12/16/2022] Open
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Zhang P, Wu L, Shi X, Zhou H, Liu M, Chen Y, Lv X. Positive End-Expiratory Pressure During Anesthesia for Prevention of Postoperative Pulmonary Complications: A Meta-analysis With Trial Sequential Analysis of Randomized Controlled Trials. Anesth Analg 2019; 130:879-889. [PMID: 31567322 DOI: 10.1213/ane.0000000000004421] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Whether intraoperative positive end-expiratory pressure (PEEP) can reduce the risk of postoperative pulmonary complications remains controversial. We performed a systematic review of currently available literature to investigate whether intraoperative PEEP decreases pulmonary complications in anesthetized patients undergoing surgery. METHODS We searched PubMed, Embase, and the Cochrane Library to identify randomized controlled trials (RCTs) that compared intraoperative PEEP versus zero PEEP (ZEEP) for postoperative pulmonary complications in adults. The prespecified primary outcome was postoperative pulmonary atelectasis. RESULTS Fourteen RCTs enrolling 1238 patients met the inclusion criteria. Meta-analysis using a random-effects model showed a decrease in postoperative atelectasis (relative risk [RR], 0.51; 95% confidence interval [CI], 0.35-0.76; trial sequential analyses [TSA]-adjusted CI, 0.10-2.55) and postoperative pneumonia (RR, 0.48; 95% CI, 0.27-0.84; TSA-adjusted CI, 0.05-4.86) in patients receiving PEEP ventilation. However, TSA showed that the cumulative Z-curve of 2 outcomes crossed the conventional boundary but did not cross the trial sequential monitoring boundary, indicating a possible false-positive result. We observed no effect of PEEP versus ZEEP ventilation on postoperative mortality (RR, 1.78; 95% CI, 0.55-5.70). CONCLUSIONS The evidence that intraoperative PEEP reduces postoperative pulmonary complications is suggestive but too unreliable to allow definitive conclusions to be drawn.
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Affiliation(s)
- Pengcheng Zhang
- From the Department of Anesthesiology, The First Hospital of Anhui Medical University, Hefei, China
| | - Lingmin Wu
- From the Department of Anesthesiology, The First Hospital of Anhui Medical University, Hefei, China
| | - Xuan Shi
- Department of Anesthesiology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Huanping Zhou
- Department of Anesthesiology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Meiyun Liu
- Department of Anesthesiology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yuanli Chen
- Department of Anesthesiology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xin Lv
- From the Department of Anesthesiology, The First Hospital of Anhui Medical University, Hefei, China.,Department of Anesthesiology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
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15
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Abstract
This review provides a summary of the literature pertaining to the perioperative care of neurosurgical patients and patients with neurological diseases. General topics addressed in this review include general neurosurgical considerations, stroke, traumatic brain injury, neuromonitoring, neurotoxicity, and perioperative disorders of cognitive function.
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Guay J, Ochroch EA, Kopp S. Intraoperative use of low volume ventilation to decrease postoperative mortality, mechanical ventilation, lengths of stay and lung injury in adults without acute lung injury. Cochrane Database Syst Rev 2018; 7:CD011151. [PMID: 29985541 PMCID: PMC6513630 DOI: 10.1002/14651858.cd011151.pub3] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
BACKGROUND Since the 2000s, there has been a trend towards decreasing tidal volumes for positive pressure ventilation during surgery. This an update of a review first published in 2015, trying to determine if lower tidal volumes are beneficial or harmful for patients. OBJECTIVES To assess the benefit of intraoperative use of low tidal volume ventilation (less than 10 mL/kg of predicted body weight) compared with high tidal volumes (10 mL/kg or greater) to decrease postoperative complications in adults without acute lung injury. SEARCH METHODS We searched the Cochrane Central Register of Controlled Trials (CENTRAL 2017, Issue 5), MEDLINE (OvidSP) (from 1946 to 19 May 2017), Embase (OvidSP) (from 1974 to 19 May 2017) and six trial registries. We screened the reference lists of all studies retained and of recent meta-analysis related to the topic during data extraction. We also screened conference proceedings of anaesthesiology societies, published in two major anaesthesiology journals. The search was rerun 3 January 2018. SELECTION CRITERIA We included all parallel randomized controlled trials (RCTs) that evaluated the effect of low tidal volumes (defined as less than 10 mL/kg) on any of our selected outcomes in adults undergoing any type of surgery. We did not retain studies with participants requiring one-lung ventilation. DATA COLLECTION AND ANALYSIS Two authors independently assessed the quality of the retained studies with the Cochrane 'Risk of bias' tool. We analysed data with both fixed-effect (I2 statistic less than 25%) or random-effects (I2 statistic greater than 25%) models based on the degree of heterogeneity. When there was an effect, we calculated a number needed to treat for an additional beneficial outcome (NNTB) using the odds ratio. When there was no effect, we calculated the optimum information size. MAIN RESULTS We included seven new RCTs (536 participants) in the update.In total, we included 19 studies in the review (776 participants in the low tidal volume group and 772 in the high volume group). There are four studies awaiting classification and three are ongoing. All included studies were at some risk of bias. Participants were scheduled for abdominal surgery, heart surgery, pulmonary thromboendarterectomy, spinal surgery and knee surgery. Low tidal volumes used in the studies varied from 6 mL/kg to 8.1 mL/kg while high tidal volumes varied from 10 mL/kg to 12 mL/kg.Based on 12 studies including 1207 participants, the effects of low volume ventilation on 0- to 30-day mortality were uncertain (risk ratio (RR) 0.80, 95% confidence interval (CI) 0.42 to 1.53; I2 = 0%; low-quality evidence). Based on seven studies including 778 participants, lower tidal volumes probably reduced postoperative pneumonia (RR 0.45, 95% CI 0.25 to 0.82; I2 = 0%; moderate-quality evidence; NNTB 24, 95% CI 16 to 160), and it probably reduced the need for non-invasive postoperative ventilatory support based on three studies including 506 participants (RR 0.31, 95% CI 0.15 to 0.64; moderate-quality evidence; NNTB 13, 95% CI 11 to 24). Based on 11 studies including 957 participants, low tidal volumes during surgery probably decreased the need for postoperative invasive ventilatory support (RR 0.33, 95% CI 0.14 to 0.77; I2 = 0%; NNTB 39, 95% CI 30 to 166; moderate-quality evidence). Based on five studies including 898 participants, there may be little or no difference in the intensive care unit length of stay (standardized mean difference (SMD) -0.06, 95% CI -0.22 to 0.10; I2 = 33%; low-quality evidence). Based on 14 studies including 1297 participants, low tidal volumes may have reduced hospital length of stay by about 0.8 days (SMD -0.15, 95% CI -0.29 to 0.00; I2 = 27%; low-quality evidence). Based on five studies including 708 participants, the effects of low volume ventilation on barotrauma (pneumothorax) were uncertain (RR 1.77, 95% CI 0.52 to 5.99; I2 = 0%; very low-quality evidence). AUTHORS' CONCLUSIONS We found moderate-quality evidence that low tidal volumes (defined as less than 10 mL/kg) decreases pneumonia and the need for postoperative ventilatory support (invasive and non-invasive). We found no difference in the risk of barotrauma (pneumothorax), but the number of participants included does not allow us to make definitive statement on this. The four studies in 'Studies awaiting classification' may alter the conclusions of the review once assessed.
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Affiliation(s)
- Joanne Guay
- University of SherbrookeDepartment of Anesthesiology, Faculty of MedicineSherbrookeQuebecCanada
- University of Quebec in Abitibi‐TemiscamingueTeaching and Research Unit, Health SciencesRouyn‐NorandaQCCanada
- Faculty of Medicine, Laval UniversityDepartment of Anesthesiology and Critical CareQuebec CityQCCanada
| | - Edward A Ochroch
- University of PennsylvaniaDepartment of Anesthesiology3400 Spruce StreetPhiladelphiaPAUSA19104
| | - Sandra Kopp
- Mayo Clinic College of MedicineDepartment of Anesthesiology and Perioperative Medicine200 1st St SWRochesterMNUSA55901
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