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Zhao L, Lv S, Xiao Q, Zhang Y, Yi W, Bai Y, Lu K, Bermea KC, Semel J, Yang X, Wu J. Effects of positive end-expiratory pressure on regional cerebral oxygen saturation in elderly patients undergoing thoracic surgery during one-lung ventilation: a randomized crossover-controlled trial. BMC Pulm Med 2024; 24:120. [PMID: 38448844 PMCID: PMC10919006 DOI: 10.1186/s12890-024-02931-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 02/24/2024] [Indexed: 03/08/2024] Open
Abstract
BACKGROUND A significant reduction in regional cerebral oxygen saturation (rSO2) is commonly observed during one-lung ventilation (OLV), while positive end-expiratory pressure (PEEP) can improve oxygenation. We compared the effects of three different PEEP levels on rSO2, pulmonary oxygenation, and hemodynamics during OLV. METHODS Forty-three elderly patients who underwent thoracoscopic lobectomy were randomly assigned to one of six PEEP combinations which used a crossover design of 3 levels of PEEP-0 cmH2O, 5 cmH2O, and 10 cmH2O. The primary endpoint was rSO2 in patients receiving OLV 20 min after adjusting the PEEP. The secondary outcomes included hemodynamic and respiratory variables. RESULTS After exclusion, thirty-six patients (36.11% female; age range: 60-76 year) were assigned to six groups (n = 6 in each group). The rSO2 was highest at OLV(0) than at OLV(10) (difference, 2.889%; [95% CI, 0.573 to 5.204%]; p = 0.008). Arterial oxygen partial pressure (PaO2) was lowest at OLV(0) compared with OLV(5) (difference, -62.639 mmHg; [95% CI, -106.170 to -19.108 mmHg]; p = 0.005) or OLV(10) (difference, -73.389 mmHg; [95% CI, -117.852 to -28.925 mmHg]; p = 0.001), while peak airway pressure (Ppeak) was lower at OLV(0) (difference, -4.222 mmHg; [95% CI, -5.140 to -3.304 mmHg]; p < 0.001) and OLV(5) (difference, -3.139 mmHg; [95% CI, -4.110 to -2.167 mmHg]; p < 0.001) than at OLV(10). CONCLUSIONS PEEP with 10 cmH2O makes rSO2 decrease compared with 0 cmH2O. Applying PEEP with 5 cmH2O during OLV in elderly patients can improve oxygenation and maintain high rSO2 levels, without significantly increasing peak airway pressure compared to not using PEEP. TRIAL REGISTRATION Chinese Clinical Trial Registry ChiCTR2200060112 on 19 May 2022.
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Affiliation(s)
- Liying Zhao
- Department of Anesthesiology, Qilu Hospital of Shandong University, 107 #, Wenhua Xi Road, 250012, Jinan, Shandong, China
- School of Medicine, Cheeloo College of Medicine, Shandong University, 250012, Jinan, China
| | - Shuang Lv
- Department of Anesthesiology, Qilu Hospital of Shandong University, 107 #, Wenhua Xi Road, 250012, Jinan, Shandong, China
- School of Medicine, Cheeloo College of Medicine, Shandong University, 250012, Jinan, China
| | - Qian Xiao
- Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, 445000, Enshi City, Hubei Province, China
| | - Yuan Zhang
- Clinical Epidemiology Unit, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, China
| | - Wenbo Yi
- Department of Anesthesiology, Qilu Hospital of Shandong University, 107 #, Wenhua Xi Road, 250012, Jinan, Shandong, China
| | - Yu Bai
- School of Medicine, Cheeloo College of Medicine, Shandong University, 250012, Jinan, China
| | - Kangping Lu
- School of Medicine, Cheeloo College of Medicine, Shandong University, 250012, Jinan, China
| | - Kevin C Bermea
- Department of Medicine, Division of Cardiology, Johns Hopkins University School of Medicine, 21205, Baltimore, MD, USA
| | - Jessica Semel
- Department of Biochemistry and Molecular Biology, Center for Research on Cardiac Intermediate Filaments, Johns Hopkins University School of Medicine, 21205, Baltimore, MD, USA
| | - Xiaomei Yang
- Department of Anesthesiology, Qilu Hospital of Shandong University, 107 #, Wenhua Xi Road, 250012, Jinan, Shandong, China.
- School of Medicine, Cheeloo College of Medicine, Shandong University, 250012, Jinan, China.
| | - Jianbo Wu
- School of Medicine, Cheeloo College of Medicine, Shandong University, 250012, Jinan, China.
- Department of Anesthesiology and Perioperative Medicine, Shandong Institute of Anesthesia and Respiratory Critical Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, 16766 #, Jingshi Road, 250012, Jinan, Shandong, China.
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Granell-Gil M, Murcia-Anaya M, Sevilla S, Martínez-Plumed R, Biosca-Pérez E, Cózar-Bernal F, Garutti I, Gallart L, Ubierna-Ferreras B, Sukia-Zilbeti I, Gálvez-Muñoz C, Delgado-Roel M, Mínguez L, Bermejo S, Valencia O, Real M, Unzueta C, Ferrando C, Sánchez F, González S, Ruiz-Villén C, Lluch A, Hernández A, Hernández-Beslmeisl J, Vives M, Vicente R. Clinical guide to perioperative management for videothoracoscopy lung resection (Section of Cardiac, Vascular and Thoracic Anesthesia, SEDAR; Spanish Society of Thoracic Surgery, SECT; Spanish Society of Physiotherapy). REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2022; 69:266-301. [PMID: 35610172 DOI: 10.1016/j.redare.2021.03.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 03/19/2021] [Indexed: 06/15/2023]
Abstract
The introduction of video-assisted thoracoscopic (VATS) techniques has led to a new approach in thoracic surgery. VATS is performed by inserting a thoracoscope through a small incisions in the chest wall, thus maximizing the preservation of muscle and tissue. Because of its low rate of morbidity and mortality, VATS is currently the technique of choice in most thoracic procedures. Lung resection by VATS reduces prolonged air leaks, arrhythmia, pneumonia, postoperative pain and inflammatory markers. This reduction in postoperative complications shortens hospital length of stay, and is particularly beneficial in high-risk patients with low tolerance to thoracotomy. Compared with conventional thoracotomy, the oncological results of VATS surgery are similar or even superior to those of open surgery. This aim of this multidisciplinary position statement produced by the thoracic surgery working group of the Spanish Society of Anesthesiology and Reanimation (SEDAR), the Spanish Society of Thoracic Surgery (SECT), and the Spanish Association of Physiotherapy (AEF) is to standardize and disseminate a series of perioperative anaesthesia management guidelines for patients undergoing VATS lung resection surgery. Each recommendation is based on an in-depth review of the available literature by the authors. In this document, the care of patients undergoing VATS surgery is organized in sections, starting with the surgical approach, and followed by the three pillars of anaesthesia management: preoperative, intraoperative, and postoperative anaesthesia.
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Affiliation(s)
- M Granell-Gil
- Sección en Anestesiología, Reanimación y T. Dolor, Consorcio Hospital General Universitario de Valencia, Profesor Contratado Doctor en Anestesiología, Universitat de València, Valencia, Spain
| | - M Murcia-Anaya
- Anestesiología, Reanimación y T. Dolor, Unidad de Cuidados Intensivos, Hospital IMED Valencia, Valencia, Spain.
| | - S Sevilla
- Sociedad de Cirugía Torácica, Complejo Hospitalario Universitario de Jaén, Jaén, Spain
| | - R Martínez-Plumed
- Anestesiología, Reanimación y T. Dolor, Consorcio Hospital General Universitario de Valencia, Valencia, Spain
| | - E Biosca-Pérez
- Anestesiología, Reanimación y T. Dolor, Consorcio Hospital General Universitario de Valencia, Valencia, Spain
| | - F Cózar-Bernal
- Cirugía Torácica, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | - I Garutti
- Anestesiología, Reanimación y T. Dolor, Hospital Universitario Gregorio Marañón, Madrid, Spain
| | - L Gallart
- Anestesiología, Reanimación y T. Dolor, Hospital del Mar de Barcelona, Universitat Autònoma de Barcelona, Barcelona, Spain
| | | | - I Sukia-Zilbeti
- Fisioterapia, Hospital Universitario Donostia de San Sebastián, Spain
| | - C Gálvez-Muñoz
- Cirugía Torácica, Hospital General Universitario de Alicante, Alicante, Spain
| | - M Delgado-Roel
- Cirugía Torácica, Complejo Hospitalario Universitario La Coruña, La Coruña, Spain
| | - L Mínguez
- Anestesiología, Reanimación y T. Dolor, Hospital Universitario La Fe de Valencia, Valencia, Spain
| | - S Bermejo
- Anestesiología, Reanimación y T. Dolor, Hospital del Mar de Barcelona, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - O Valencia
- Anestesiología, Reanimación y T. Dolor, Hospital Universitario Doce de Octubre de Madrid, Madrid, Spain
| | - M Real
- Anestesiología, Reanimación y T. Dolor, Hospital Universitario Doce de Octubre de Madrid, Madrid, Spain
| | - C Unzueta
- Anestesiología, Reanimación y T. Dolor, Hospital Sant Pau de Barcelona, Barcelona, Spain
| | - C Ferrando
- Anestesiología, Reanimación y T. Dolor, Hospital Clínic Universitari de Barcelona, Barcelona, Spain
| | - F Sánchez
- Anestesiología, Reanimación y T. Dolor, Hospital Universitario de la Ribera de Alzira, Valencia, Spain
| | - S González
- Anestesiología, Reanimación y T. Dolor, Hospital Universitario Donostia de San Sebastián, Spain
| | - C Ruiz-Villén
- Anestesiología, Reanimación y T. Dolor, Hospital Universitario Reina Sofía de Córdoba, Córdoba, Spain
| | - A Lluch
- Anestesiología, Reanimación y T. Dolor, Hospital Universitario La Fe de Valencia, Valencia, Spain
| | - A Hernández
- Anestesiología, Reanimación y T. Dolor, Grupo Policlínica de Ibiza, Ibiza, Spain
| | - J Hernández-Beslmeisl
- Anestesiología, Reanimación y T. Dolor, Complejo Hospitalario Universitario de Canarias, Canarias, Spain
| | - M Vives
- Anestesiología, Reanimación y T. Dolor, Hospital Universitari Dr. Josep Trueta de Girona, Girona, Spain
| | - R Vicente
- Sección de Anestesia Cardiaca, Vascular y Torácica, SEDAR, Anestesiología, Reanimación y T. Dolor, Hospital Universitario La Fe de Valencia, Universitat de València, Valencia, Spain
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3
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Sayed El Hefny DAE, Mohamed MI, Yousef El-Metainy SA, Ibrahim Abdelaal MM, Osman YM. Effect of Stepwise Lung Recruitment Maneuver on Oxygenation, Lung Mechanics and Lung Injury Biomarkers During Lung Resection Surgery: A Prospective Randomized Controlled Single Blinded Study. EGYPTIAN JOURNAL OF ANAESTHESIA 2021. [DOI: 10.1080/11101849.2021.2020987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Affiliation(s)
| | | | | | | | - Yasser Mohamed Osman
- Anaesthesia and Surgical Intensive Care, Alexandria Faculty of Medicine, Alexandria, Egypt
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4
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The effect of recruitment maneuver on the development of expansion defect and atelectasis after lobectomy: A double-blind randomized controlled trial. JOURNAL OF SURGERY AND MEDICINE 2021. [DOI: 10.28982/josam.1001166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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5
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Granell-Gil M, Murcia-Anaya M, Sevilla S, Martínez-Plumed R, Biosca-Pérez E, Cózar-Bernal F, Garutti I, Gallart L, Ubierna-Ferreras B, Sukia-Zilbeti I, Gálvez-Muñoz C, Delgado-Roel M, Mínguez L, Bermejo S, Valencia O, Real M, Unzueta C, Ferrando C, Sánchez F, González S, Ruiz-Villén C, Lluch A, Hernández A, Hernández-Beslmeisl J, Vives M, Vicente R. Clinical guide to perioperative management for videothoracoscopy lung resection (Section of Cardiac, Vascular and Thoracic Anesthesia, SEDAR; Spanish Society of Thoracic Surgery, SECT; Spanish Society of Physiotherapy). REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2021; 69:S0034-9356(21)00129-8. [PMID: 34330548 DOI: 10.1016/j.redar.2021.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 03/09/2021] [Accepted: 03/19/2021] [Indexed: 10/20/2022]
Abstract
The introduction of video-assisted thoracoscopic (VATS) techniques has led to a new approach in thoracic surgery. VATS is performed by inserting a thoracoscope through a small incisions in the chest wall, thus maximizing the preservation of muscle and tissue. Because of its low rate of morbidity and mortality, VATS is currently the technique of choice in most thoracic procedures. Lung resection by VATS reduces prolonged air leaks, arrhythmia, pneumonia, postoperative pain and inflammatory markers. This reduction in postoperative complications shortens hospital length of stay, and is particularly beneficial in high-risk patients with low tolerance to thoracotomy. Compared with conventional thoracotomy, the oncological results of VATS surgery are similar or even superior to those of open surgery. This aim of this multidisciplinary position statement produced by the thoracic surgery working group of the Spanish Society of Anesthesiology and Reanimation (SEDAR), the Spanish Society of Thoracic Surgery (SECT), and the Spanish Association of Physiotherapy (AEF) is to standardize and disseminate a series of perioperative anaesthesia management guidelines for patients undergoing VATS lung resection surgery. Each recommendation is based on an in-depth review of the available literature by the authors. In this document, the care of patients undergoing VATS surgery is organized in sections, starting with the surgical approach, and followed by the three pillars of anaesthesia management: preoperative, intraoperative, and postoperative anaesthesia.
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Affiliation(s)
- M Granell-Gil
- Sección en Anestesiología, Reanimación y T. Dolor, Consorcio Hospital General Universitario de Valencia, Profesor Contratado Doctor en Anestesiología, Universitat de València, Valencia, España
| | - M Murcia-Anaya
- Anestesiología, Reanimación y T. Dolor, Unidad de Cuidados Intensivos, Hospital IMED Valencia, Valencia, España.
| | - S Sevilla
- Sociedad de Cirugía Torácica, Complejo Hospitalario Universitario de Jaén, Jaén, España
| | - R Martínez-Plumed
- Anestesiología, Reanimación y T. Dolor, Consorcio Hospital General Universitario de Valencia, Valencia, España
| | - E Biosca-Pérez
- Anestesiología, Reanimación y T. Dolor, Consorcio Hospital General Universitario de Valencia, Valencia, España
| | - F Cózar-Bernal
- Cirugía Torácica, Hospital Universitario Virgen Macarena, Sevilla, España
| | - I Garutti
- Anestesiología, Reanimación y T. Dolor, Hospital Universitario Gregorio Marañón, Madrid, España
| | - L Gallart
- Anestesiología, Reanimación y T. Dolor, Hospital del Mar de Barcelona, Universitat Autònoma de Barcelona, Barcelona, España
| | | | - I Sukia-Zilbeti
- Fisioterapia, Hospital Universitario Donostia, San Sebastián, España
| | - C Gálvez-Muñoz
- Cirugía Torácica, Hospital General Universitario de Alicante, Alicante, España
| | - M Delgado-Roel
- Cirugía Torácica, Complejo Hospitalario Universitario La Coruña, La Coruña, España
| | - L Mínguez
- Anestesiología, Reanimación y T. Dolor, Hospital Universitario La Fe de Valencia, Valencia, España
| | - S Bermejo
- Anestesiología, Reanimación y T. Dolor, Hospital del Mar de Barcelona, Universitat Autònoma de Barcelona, Barcelona, España
| | - O Valencia
- Anestesiología, Reanimación y T. Dolor. Hospital Universitario Doce de Octubre de Madrid, Madrid, España
| | - M Real
- Anestesiología, Reanimación y T. Dolor. Hospital Universitario Doce de Octubre de Madrid, Madrid, España
| | - C Unzueta
- Anestesiología, Reanimación y T. Dolor. Hospital Sant Pau de Barcelona, Barcelona, España
| | - C Ferrando
- Anestesiología, Reanimación y T. Dolor. Hospital Clínic Universitari de Barcelona, Barcelona, España
| | - F Sánchez
- Anestesiología, Reanimación y T. Dolor, Hospital Universitario de la Ribera de Alzira, Valencia, España
| | - S González
- Anestesiología, Reanimación y T. Dolor, Hospital Universitario Donostia de San Sebastián, España
| | - C Ruiz-Villén
- Anestesiología, Reanimación y T. Dolor, Hospital Universitario Reina Sofía de Córdoba, Córdoba, España
| | - A Lluch
- Anestesiología, Reanimación y T. Dolor, Hospital Universitario La Fe de Valencia, Valencia, España
| | - A Hernández
- Anestesiología, Reanimación y T. Dolor, Grupo Policlínica de Ibiza, Ibiza, España
| | - J Hernández-Beslmeisl
- Anestesiología, Reanimación y T. Dolor, Complejo Hospitalario Universitario de Canarias, Canarias, España
| | - M Vives
- Anestesiología, Reanimación y T. Dolor, Hospital Universitari Dr. Josep Trueta de Girona, Girona, España
| | - R Vicente
- Sección de Anestesia Cardiaca, Vascular y Torácica, SEDAR, Anestesiología, Reanimación y T. Dolor. Hospital Universitario La Fe de Valencia, Universitat de València, Valencia, España
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6
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Hu MC, Yang YL, Chen TT, Chen JT, Tiong TY, Tam KW. Recruitment maneuvers in patients undergoing thoracic surgery: a meta-analysis. Gen Thorac Cardiovasc Surg 2021; 69:1553-1559. [PMID: 34152550 DOI: 10.1007/s11748-021-01673-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 06/12/2021] [Indexed: 12/31/2022]
Abstract
OBJECTIVE Pulmonary atelectasis is a common postoperative complication that may lead to intrapulmonary shunt, refractory hypoxemia, and respiratory distress. Recruitment maneuvers may relieve pulmonary atelectasis in patients undergoing thoracic surgery. This meta-analysis of randomized controlled trials (RCTs) is to evaluate the effectiveness and safety of recruitment maneuvers in patients undergoing thoracic surgery. METHODS We performed a literature search on the PubMed, Embase, and Cochrane Library databases and the ClinicalTrials.gov registry for trials published before April 2021. We investigated postoperative pulmonary atelectasis incidence, intrapulmonary shunt fraction, static lung compliance, and mean arterial pressure. RESULTS Six RCTs involving 526 patients were reviewed. Patients receiving a recruitment maneuver exhibited a significant decrease in intrapulmonary shunt fraction [weighted mean difference (WMD) - 0.02, 95% CI - 0.03 to - 0.01], improved static lung compliance (WMD 2.16; 95% CI 1.14-3.18), and PaO2/FIO2 ratio (WMD 31.31; 95% CI 12.11-50.52) without a significant difference in mean arterial pressure (WMD - 0.64; 95% CI - 4.92 to 3.64). The incidence pulmonary atelectasis favored recruitment maneuver group, but was not statistically significant (RR 0.55; 95% CI 0.27-1.12). CONCLUSIONS Recruitment maneuvers may be a viable treatment for reducing intra-pulmonary shunt and improving static lung compliance and PaO2/FIO2 ratio without the disturbance of hemodynamics in patients undergoing thoracic surgery.
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Affiliation(s)
- Ming-Chi Hu
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - You-Lan Yang
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Department of Respiratory Therapy, Landseed International Hospital, Taoyuan, Taiwan
| | - Tzu-Tao Chen
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Jui-Tai Chen
- Department of Anesthesiology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan.,Department of Anesthesiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Tung-Yu Tiong
- Division of Thoracic Surgery, Department of Surgery, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Ka-Wai Tam
- Division of General Surgery, Department of Surgery, Shuang Ho Hospital, Taipei Medical University, 291, Zhongzheng Road, Zhonghe District, New Taipei City, 23561, Taiwan. .,Division of General Surgery, Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan. .,Cochrane Taiwan, Taipei Medical University, Taipei, Taiwan.
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Fogagnolo A, Montanaro F, Al-Husinat L, Turrini C, Rauseo M, Mirabella L, Ragazzi R, Ottaviani I, Cinnella G, Volta CA, Spadaro S. Management of Intraoperative Mechanical Ventilation to Prevent Postoperative Complications after General Anesthesia: A Narrative Review. J Clin Med 2021; 10:jcm10122656. [PMID: 34208699 PMCID: PMC8234365 DOI: 10.3390/jcm10122656] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/09/2021] [Accepted: 06/15/2021] [Indexed: 01/02/2023] Open
Abstract
Mechanical ventilation (MV) is still necessary in many surgical procedures; nonetheless, intraoperative MV is not free from harmful effects. Protective ventilation strategies, which include the combination of low tidal volume and adequate positive end expiratory pressure (PEEP) levels, are usually adopted to minimize the ventilation-induced lung injury and to avoid post-operative pulmonary complications (PPCs). Even so, volutrauma and atelectrauma may co-exist at different levels of tidal volume and PEEP, and therefore, the physiological response to the MV settings should be monitored in each patient. A personalized perioperative approach is gaining relevance in the field of intraoperative MV; in particular, many efforts have been made to individualize PEEP, giving more emphasis on physiological and functional status to the whole body. In this review, we summarized the latest findings about the optimization of PEEP and intraoperative MV in different surgical settings. Starting from a physiological point of view, we described how to approach the individualized MV and monitor the effects of MV on lung function.
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Affiliation(s)
- Alberto Fogagnolo
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
- Correspondence:
| | - Federica Montanaro
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Lou’i Al-Husinat
- Department of Clinical Sciences, Faculty of Medicine, Yarmouk University, Irbid 21163, Jordan;
| | - Cecilia Turrini
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Michela Rauseo
- Department of Anesthesia and Intensive Care, University of Foggia, 71122 Foggia, Italy; (M.R.); (L.M.); (G.C.)
| | - Lucia Mirabella
- Department of Anesthesia and Intensive Care, University of Foggia, 71122 Foggia, Italy; (M.R.); (L.M.); (G.C.)
| | - Riccardo Ragazzi
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Irene Ottaviani
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Gilda Cinnella
- Department of Anesthesia and Intensive Care, University of Foggia, 71122 Foggia, Italy; (M.R.); (L.M.); (G.C.)
| | - Carlo Alberto Volta
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Savino Spadaro
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
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Yoon S, Kim BR, Min SH, Lee J, Bahk JH, Seo JH. Repeated intermittent hypoxic stimuli to operative lung reduce hypoxemia during subsequent one-lung ventilation for thoracoscopic surgery: A randomized controlled trial. PLoS One 2021; 16:e0249880. [PMID: 33857201 PMCID: PMC8049270 DOI: 10.1371/journal.pone.0249880] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 03/23/2021] [Indexed: 11/18/2022] Open
Abstract
Background An intervention to potentiate hypoxic pulmonary vasoconstriction may reduce intrapulmonary shunt and hypoxemia during one-lung ventilation. Previous animal studies reported that repeated intermittent hypoxic stimuli potentiated hypoxic pulmonary vasoconstriction, but no clinical study has examined the effects of this intervention on hypoxemia during one-lung ventilation. We thus performed a single-center, parallel-group, double-blind, randomized controlled trial to investigate whether repeated intermittent hypoxic stimuli to the operative lung reduce hypoxemia during the subsequent one-lung ventilation for thoracoscopic surgery. Methods Patients undergoing one-lung ventilation were randomized into two groups (n = 68 each). Before one-lung ventilation, in the intermittent hypoxia group, the nondependent lung was not ventilated for 2 min and then ventilated for 2 min while the dependent lung was continuously ventilated. This was repeated five times. In the continuous normoxia group, both lungs were ventilated for 20 min. We measured SpO2, PaO2, FiO2, PaCO2, SaO2, and central venous oxygen saturation during one-lung ventilation. The primary outcome was the number of patients with hypoxemia defined as a SpO2 <95% during one-lung ventilation, which was analyzed with a chi-squared test. Results Hypoxemia was less frequent in the intermittent hypoxia group than in the continuous normoxia group during OLV [6/68 (8.8%) vs 17/68 (25.0%), risk ratio (95% CI) 0.35 (0.15–0.84), p = 0.012]. The PaO2 (p = 0.008 for 30 min and 0.007 for 60 min) and PaO2/FiO2 (p = 0.008 for both) were higher 30 and 60 min after starting one-lung ventilation, and the alveolar-arterial pressure gradient (p = 0.010) and shunt index (p = 0.008) were lower 30 min after starting one-lung ventilation in the intermittent hypoxia group than in the continuous normoxia group. Postoperative adverse events did not differ significantly between groups. Conclusions Repeated intermittent hypoxic stimuli to the operative lung seemed to potentiate hypoxic pulmonary vasoconstriction, and thus reduced hypoxemia during the subsequent one-lung ventilation.
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Affiliation(s)
- Susie Yoon
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Bo Rim Kim
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Se-Hee Min
- Department of Anesthesiology and Pain Medicine, Chung-Ang University College of Medicine, Seoul, Republic of Korea
| | - Jaehun Lee
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jae-Hyon Bahk
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jeong-Hwa Seo
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
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Peel JK, Funk DJ, Slinger P, Srinathan S, Kidane B. Positive end-expiratory pressure and recruitment maneuvers during one-lung ventilation: A systematic review and meta-analysis. J Thorac Cardiovasc Surg 2020; 160:1112-1122.e3. [DOI: 10.1016/j.jtcvs.2020.02.077] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Revised: 02/13/2020] [Accepted: 02/15/2020] [Indexed: 01/09/2023]
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Jo YY, Lee KC, Chang YJ, Jung WS, Park J, Kwak HJ. Effects of an Alveolar Recruitment Maneuver During Lung Protective Ventilation on Postoperative Pulmonary Complications in Elderly Patients Undergoing Laparoscopy. Clin Interv Aging 2020; 15:1461-1469. [PMID: 32921992 PMCID: PMC7457882 DOI: 10.2147/cia.s264987] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 08/07/2020] [Indexed: 10/26/2022] Open
Abstract
Purpose Controversy remains over whether alveolar recruitment maneuvers (ARMs) can reduce postoperative pulmonary complications. We hypothesized that performing an ARM in addition to lung protective ventilation (LPV) could improve intraoperative arterial oxygenation and postoperative pulmonary complications (PPCs) in elderly patients undergoing laparoscopy in the Trendelenburg position. Patients and Methods Sixty-two patients (aged 65-85) scheduled for laparoscopic low anterior resection were randomized to receive LPV only (LPV group, n = 32) or LPV with an ARM (ARM group, n = 30). LPV was set to a tidal volume of 6 mL/kg with a positive end expiratory pressure (PEEP) of 5 cmH2O. The ARM was performed by serially increasing the PEEP to 10 cmH2O for 3 breaths, 15 cmH2O for 3 breaths, then 20 cmH2O for 10 breaths, both immediately before and after abdominal insufflation. The primary end-point was the frequency of PPCs such as desaturation (SpO2 <90%), atelectasis, and pneumonia. Secondary end-points were changes in intraoperative respiratory and gas exchange parameters and hemodynamic variables. Results One patient in the LPV group experienced desaturation on the first postoperative day. The frequency of chest X-ray abnormalities such as atelectasis or pleural effusion was comparable between groups (6 (19%) and 5 (17%) patients, respectively, P = 0.676). Changes in other respiratory, gas exchange and hemodynamic parameters over time were not significantly different between the groups. However, vasopressor requirements during surgery were higher in the ARM than the LPV group (9 (30%) and 2 (6%) patients, respectively, P = 0.014). Conclusion This study suggests that performing an ARM during LPV may not improve postoperative respiratory outcomes and intraoperative oxygenation compared to LPV alone in geriatric patients undergoing laparoscopy in the Trendelenburg position. In addition, since the ARM could cause a significant deterioration in hemodynamic parameters, applying ARM to elderly patients should be carefully considered.
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Affiliation(s)
- Youn Yi Jo
- Department of Anesthesiology and Pain Medicine, Gachon University College of Medicine, Gil Hospital, Incheon, Republic of Korea
| | - Kyung Cheon Lee
- Department of Anesthesiology and Pain Medicine, Gachon University College of Medicine, Gil Hospital, Incheon, Republic of Korea
| | - Young Jin Chang
- Department of Anesthesiology and Pain Medicine, Gachon University College of Medicine, Gil Hospital, Incheon, Republic of Korea
| | - Wol Seon Jung
- Department of Anesthesiology and Pain Medicine, Gachon University College of Medicine, Gil Hospital, Incheon, Republic of Korea
| | - Jongchul Park
- Department of Anesthesiology and Pain Medicine, Gachon University College of Medicine, Gil Hospital, Incheon, Republic of Korea
| | - Hyun Jeong Kwak
- Department of Anesthesiology and Pain Medicine, Gachon University College of Medicine, Gil Hospital, Incheon, Republic of Korea
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Kim BR, Lee S, Bae H, Lee M, Bahk JH, Yoon S. Lung ultrasound score to determine the effect of fraction inspired oxygen during alveolar recruitment on absorption atelectasis in laparoscopic surgery: a randomized controlled trial. BMC Anesthesiol 2020; 20:173. [PMID: 32682397 PMCID: PMC7368786 DOI: 10.1186/s12871-020-01090-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 07/09/2020] [Indexed: 01/28/2023] Open
Abstract
Background Although the intraoperative alveolar recruitment maneuver (RM) efficiently treats atelectasis, the effect of Fio2 on atelectasis during RM is uncertain. We hypothesized that a high Fio2 (1.0) during RM would lead to a higher degree of postoperative atelectasis without benefiting oxygenation when compared to low Fio2 (0.4). Methods In this randomized controlled trial, patients undergoing elective laparoscopic surgery in the Trendelenburg position were allocated to low- (Fio2 0.4, n = 44) and high-Fio2 (Fio2 1.0, n = 46) groups. RM was performed 1-min post tracheal intubation and post changes in supine and Trendelenburg positions during surgery. We set the intraoperative Fio2 at 0.4 for both groups and calculated the modified lung ultrasound score (LUSS) to assess lung aeration after anesthesia induction and at surgery completion. The primary outcome was modified LUSS at the end of the surgery. The secondary outcomes were the intra- and postoperative Pao2 to Fio2 ratio and postoperative pulmonary complications. Results The modified LUSS before capnoperitoneum and RM (P = 0.747) were similar in both groups. However, the postoperative modified LUSS was significantly lower in the low Fio2 group (median difference 5.0, 95% CI 3.0–7.0, P < 0.001). Postoperatively, substantial atelectasis was more common in the high-Fio2 group (relative risk 1.77, 95% CI 1.27–2.47, P < 0.001). Intra- and postoperative Pao2 to Fio2 were similar with no postoperative pulmonary complications. Atelectasis occurred more frequently when RM was performed with high than with low Fio2; oxygenation was not benefitted by a high-Fio2. Conclusions In patients undergoing laparoscopic surgery in the Trendelenburg position, absorption atelectasis occurred more frequently with high rather than low Fio2. No oxygenation benefit was observed in the high-Fio2 group. Trial registration ClinicalTrials.gov, NCT03943433. Registered 7 May 2019,
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Affiliation(s)
- Bo Rim Kim
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Seohee Lee
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Hansu Bae
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Minkyoo Lee
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Jae-Hyon Bahk
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Susie Yoon
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.
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Abstract
The intraoperative anesthetic management for thoracic surgery can impact a patient's postoperative course, especially in patients with significant lung disease. One-lung ventilation poses an inherent risk to patients, including hypoxemia, acute lung injury, and right ventricular dysfunction. Patient-specific ventilator management strategies during one-lung ventilation can reduce postoperative morbidity.
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Carramiñana A, Ferrando C, Unzueta MC, Navarro R, Suárez-Sipmann F, Tusman G, Garutti I, Soro M, Pozo N, Librero J, Gallego L, Ramasco F, Rabanal JM, Rodriguez A, Sastre J, Martinez J, Coves S, García P, Aguirre-Puig P, Yepes J, Lluch A, López-Herrera D, Leal S, Vives M, Bellas S, Socorro T, Trespalacios R, Salazar CJ, Mugarra A, Cinnella G, Spadaro S, Futier E, Ferrer L, Cabrera M, Ribeiro H, Celestino C, Kucur E, Cervantes O, Morocho D, Delphy D, Ramos C, Villar J, Belda J. Rationale and Study Design for an Individualized Perioperative Open Lung Ventilatory Strategy in Patients on One-Lung Ventilation (iPROVE-OLV). J Cardiothorac Vasc Anesth 2019; 33:2492-2502. [DOI: 10.1053/j.jvca.2019.01.056] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 01/21/2019] [Accepted: 01/24/2019] [Indexed: 11/11/2022]
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Effects of Positive End-Expiratory Pressure on Pulmonary Oxygenation and Biventricular Function during One-Lung Ventilation: A Randomized Crossover Study. J Clin Med 2019; 8:jcm8050740. [PMID: 31126111 PMCID: PMC6571862 DOI: 10.3390/jcm8050740] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Revised: 05/16/2019] [Accepted: 05/21/2019] [Indexed: 12/05/2022] Open
Abstract
Although the application of positive end-expiratory pressure (PEEP) can alter cardiopulmonary physiology during one-lung ventilation (OLV), these changes have not been clearly elucidated. This study assessed the effects of different levels of PEEP on biventricular function, as well as pulmonary oxygenation during OLV. Thirty-six lung cancer patients received one PEEP combination of six sequences, consisting of 0 (PEEP_0), 5 (PEEP_5), and 10 cmH2O (PEEP_10), using a crossover design during OLV. The ratio of arterial oxygen partial pressure to inspired oxygen fraction (P/F ratio), systolic and diastolic echocardiographic parameters were measured at 20 min after the first, second, and third PEEP. P/F ratio at PEEP_5 was significantly higher compared to PEEP_0 (p = 0.014), whereas the P/F ratio at PEEP_10 did not show significant differences compared to PEEP_0 or PEEP_5. Left ventricular ejection fraction (LV EF) and right ventricular fractional area change (RV FAC) at PEEP_10 (EF, p < 0.001; FAC, p = 0.001) were significantly lower compared to PEEP_0 or PEEP_5. RV E/E’ (p = 0.048) and RV myocardial performance index (p < 0.001) at PEEP_10 were significantly higher than those at PEEP_0 or PEEP_5. In conclusion, increasing PEEP to 10 cmH2O decreased biventricular function, especially on RV function, with no further improvement on oxygenation compared to PEEP 5 cmH2O during OLV.
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Rauseo M, Mirabella L, Grasso S, Cotoia A, Spadaro S, D'Antini D, Valentino F, Tullo L, Loizzi D, Sollitto F, Cinnella G. Peep titration based on the open lung approach during one lung ventilation in thoracic surgery: a physiological study. BMC Anesthesiol 2018; 18:156. [PMID: 30382819 PMCID: PMC6211445 DOI: 10.1186/s12871-018-0624-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 10/19/2018] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND During thoracic surgery in lateral decubitus, one lung ventilation (OLV) may impair respiratory mechanics and gas exchange. We tested a strategy based on an open lung approach (OLA) consisting in lung recruitment immediately followed by a decremental positive-end expiratory pressure (PEEP) titration to the best respiratory system compliance (CRS) and separately quantified the elastic properties of the lung and the chest wall. Our hypothesis was that this approach would improve gas exchange. Further, we were interested in documenting the impact of the OLA on partitioned respiratory system mechanics. METHODS In thirteen patients undergoing upper left lobectomy we studied lung and chest wall mechanics, transpulmonary pressure (PL), respiratory system and transpulmonary driving pressure (ΔPRS and ΔPL), gas exchange and hemodynamics at two time-points (a) during OLV at zero end-expiratory pressure (OLVpre-OLA) and (b) after the application of the open-lung strategy (OLVpost-OLA). RESULTS The external PEEP selected through the OLA was 6 ± 0.8 cmH2O. As compared to OLVpre-OLA, the PaO2/FiO2 ratio went from 205 ± 73 to 313 ± 86 (p = .05) and CL increased from 56 ± 18 ml/cmH2O to 71 ± 12 ml/cmH2O (p = .0013), without changes in CCW. Both ΔPRS and ΔPL decreased from 9.2 ± 0.4 cmH2O to 6.8 ± 0.6 cmH2O and from 8.1 ± 0.5 cmH2O to 5.7 ± 0.5 cmH2O, (p = .001 and p = .015 vs OLVpre-OLA), respectively. Hemodynamic parameters remained stable throughout the study period. CONCLUSIONS In our patients, the OLA strategy performed during OLV improved oxygenation and increased CL and had no clinically significant hemodynamic effects. Although our study was not specifically designed to study ΔPRS and ΔPL, we observed a parallel reduction of both after the OLA. TRIAL REGISTRATION TRN: ClinicalTrials.gov , NCT03435523 , retrospectively registered, Feb 14 2018.
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Affiliation(s)
- Michela Rauseo
- Department of Anesthesia and Intensive care, University of Foggia, Viale Pinto, 1-71100, Foggia, Italy. .,Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada.
| | - Lucia Mirabella
- Department of Anesthesia and Intensive care, University of Foggia, Viale Pinto, 1-71100, Foggia, Italy
| | - Salvatore Grasso
- Department of Anesthesia and Intensive care, University of Bari, Bari, Italy
| | - Antonella Cotoia
- Department of Anesthesia and Intensive care, University of Foggia, Viale Pinto, 1-71100, Foggia, Italy
| | - Savino Spadaro
- Department of Anesthesia and Intensive care, University of Ferrara, Ferrara, Italy
| | - Davide D'Antini
- Department of Anesthesia and Intensive care, University of Foggia, Viale Pinto, 1-71100, Foggia, Italy
| | - Franca Valentino
- Department of Anesthesia and Intensive care, University of Foggia, Viale Pinto, 1-71100, Foggia, Italy
| | - Livio Tullo
- Department of Anesthesia and Intensive care, University of Foggia, Viale Pinto, 1-71100, Foggia, Italy
| | - Domenico Loizzi
- Department of Thoracic Surgery, University of Foggia, Foggia, Italy
| | | | - Gilda Cinnella
- Department of Anesthesia and Intensive care, University of Foggia, Viale Pinto, 1-71100, Foggia, Italy
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Meleiro H, Correia I, Charco Mora P. New evidence in one-lung ventilation. REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2018; 65:149-153. [PMID: 28967439 DOI: 10.1016/j.redar.2017.06.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Revised: 06/15/2017] [Accepted: 06/29/2017] [Indexed: 06/07/2023]
Abstract
Mechanical ventilation in thoracic surgery has undergone significant changes in recent years due to the implementation of the protective ventilation. This review will analyze recent ventilatory strategies in one-lung ventilation. A MEDLINE research was performed using Mesh term "One-Lung Ventilation" including randomized clinical trials, metanalysis, reviews and systematic reviews published in the last 6 years. Search was performed on 21st March 2017. A total of 75 articles were initially found. After title and abstract review 14 articles were included. Protective ventilation is not simply synonymous of low tidal volume ventilation, but it also includes routine use of PEEP and alveolar recruitment maneuver. New techniques are still in discussion namely PEEP adjustment, ratio inspiration:expiration, ideal type of anesthesia during one-lung ventilation and hypercapnic ventilation.
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Affiliation(s)
- H Meleiro
- Serviço de Anestesiologia, Centro Hospitalar de São João, Porto, Portugal.
| | - I Correia
- Serviço de Anestesiologia, Centro Hospitalar de São João, Porto, Portugal
| | - P Charco Mora
- Servicio de Anestesiología, Reanimación y Tratamiento del Dolor, Hospital Clínico Universitario de Valencia, Valencia, España
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One-lung Ventilation for Thoracic Surgery: Current Perspectives. TUMORI JOURNAL 2017; 103:495-503. [DOI: 10.5301/tj.5000638] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/07/2017] [Indexed: 11/20/2022]
Abstract
One-lung ventilation (OLV) is an anesthesiological technique that is increasingly being used beyond thoracic surgery. This requires specific skills and knowledge about airway management, maintenance of gas exchange and prevention of acute lung injury. Sometimes maintaining adequate gas exchange and minimizing acute lung injury may be opposing processes. Parameters validated for OLV titration still have not been found, but a multimodal approach based on low tidal volume, end-expiratory pressure application and alveolar recruitment maneuvers is considered the best way to ensure protective ventilation and reduce lung damage. The purpose of this review is to analyze all these factors using the latest scientific evidence and the opinions of the most influential authors.
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Lohser J, Slinger P. Lung Injury After One-Lung Ventilation: A Review of the Pathophysiologic Mechanisms Affecting the Ventilated and the Collapsed Lung. Anesth Analg 2015. [PMID: 26197368 DOI: 10.1213/ane.0000000000000808] [Citation(s) in RCA: 239] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Lung injury is the leading cause of death after thoracic surgery. Initially recognized after pneumonectomy, it has since been described after any period of 1-lung ventilation (OLV), even in the absence of lung resection. Overhydration and high tidal volumes were thought to be responsible at various points; however, it is now recognized that the pathophysiology is more complex and multifactorial. All causative mechanisms known to trigger ventilator-induced lung injury have been described in the OLV setting. The ventilated lung is exposed to high strain secondary to large, nonphysiologic tidal volumes and loss of the normal functional residual capacity. In addition, the ventilated lung experiences oxidative stress, as well as capillary shear stress because of hyperperfusion. Surgical manipulation and/or resection of the collapsed lung may induce lung injury. Re-expansion of the collapsed lung at the conclusion of OLV invariably induces duration-dependent, ischemia-reperfusion injury. Inflammatory cytokines are released in response to localized injury and may promote local and contralateral lung injury. Protective ventilation and volatile anesthesia lessen the degree of injury; however, increases in biochemical and histologic markers of lung injury appear unavoidable. The endothelial glycocalyx may represent a common pathway for lung injury creation during OLV, because it is damaged by most of the recognized lung injurious mechanisms. Experimental therapies to stabilize the endothelial glycocalyx may afford the ability to reduce lung injury in the future. In the interim, protective ventilation with tidal volumes of 4 to 5 mL/kg predicted body weight, positive end-expiratory pressure of 5 to 10 cm H2O, and routine lung recruitment should be used during OLV in an attempt to minimize harmful lung stress and strain. Additional strategies to reduce lung injury include routine volatile anesthesia and efforts to minimize OLV duration and hyperoxia.
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Affiliation(s)
- Jens Lohser
- From the *Department of Anesthesiology, Pharmacology and Therapeutics, University of British Columbia, Vancouver General Hospital, Vancouver, British Columbia, Canada; and †Department of Anesthesia, University of Toronto, Toronto General Hospital, Toronto, Ontario, Canada
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Abstract
PURPOSE OF REVIEW Describe the importance of monitoring dead space during thoracic surgery, specifically during one-lung ventilation. RECENT FINDINGS The concept of dead space has gained renewed interest among anesthesiologists ever since breath-by-breath measurement by volumetric capnography became available. Monitoring dead space during thoracic surgery assesses the ventilatory deficiencies related to increases in instrumental, airway and/or alveolar dead space, when ventilating patients with positive pressure and double-lumen tubes. Another interesting use of such monitoring is to detect ventilator-induced lung injury due to tidal overdistension. This type of injury threatens the fragile lungs especially during one-lung ventilation and can clinically be recognized as an increase in airway and alveolar dead space above normal values. To date, lung protective ventilation is based on the use of low tidal volumes and airway pressures to decrease overdistension. It has been shown to reduce the incidence of postoperative pulmonary complications after thoracic surgeries. However, such a ventilatory strategy impairs ventilation and induces hypercapnia due to increases in dead space. Therefore, continuous assessment of dead space is helpful in guiding ventilation and avoiding overdistension while maintaining the elimination of CO(2) during thoracic surgery sufficiently high. SUMMARY Monitoring dead space helps anesthesiologists monitor the status of the lung and find appropriate ventilatory settings during thoracic surgeries.
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Fernandez-Bustamante A, Hashimoto S, Serpa Neto A, Moine P, Vidal Melo MF, Repine JE. Perioperative lung protective ventilation in obese patients. BMC Anesthesiol 2015; 15:56. [PMID: 25907273 PMCID: PMC4491899 DOI: 10.1186/s12871-015-0032-x] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Accepted: 04/02/2015] [Indexed: 12/18/2022] Open
Abstract
The perioperative use and relevance of protective ventilation in surgical patients is being increasingly recognized. Obesity poses particular challenges to adequate mechanical ventilation in addition to surgical constraints, primarily by restricted lung mechanics due to excessive adiposity, frequent respiratory comorbidities (i.e. sleep apnea, asthma), and concerns of postoperative respiratory depression and other pulmonary complications. The number of surgical patients with obesity is increasing, and facing these challenges is common in the operating rooms and critical care units worldwide. In this review we summarize the existing literature which supports the following recommendations for the perioperative ventilation in obese patients: (1) the use of protective ventilation with low tidal volumes (approximately 8 mL/kg, calculated based on predicted -not actual- body weight) to avoid volutrauma; (2) a focus on lung recruitment by utilizing PEEP (8–15 cmH2O) in addition to recruitment maneuvers during the intraoperative period, as well as incentivized deep breathing and noninvasive ventilation early in the postoperative period, to avoid atelectasis, hypoxemia and atelectrauma; and (3) a judicious oxygen use (ideally less than 0.8) to avoid hypoxemia but also possible reabsorption atelectasis. Obesity poses an additional challenge for achieving adequate protective ventilation during one-lung ventilation, but different lung isolation techniques have been adequately performed in obese patients by experienced providers. Postoperative efforts should be directed to avoid hypoventilation, atelectasis and hypoxemia. Further studies are needed to better define optimum protective ventilation strategies and analyze their impact on the perioperative outcomes of surgical patients with obesity.
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Affiliation(s)
- Ana Fernandez-Bustamante
- Department of Anesthesiology, University of Colorado SOM, Aurora, CO, USA. .,Department of Anesthesiology and Webb-Waring Center, University of Colorado SOM, Aurora, CO, USA.
| | - Soshi Hashimoto
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA.
| | - Ary Serpa Neto
- Department of Critical Care Medicine, Hospital Israelita Albert Einstein, São Paulo, Brazil. .,Department of Intensive Care, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
| | - Pierre Moine
- Department of Anesthesiology, University of Colorado SOM, Aurora, CO, USA.
| | - Marcos F Vidal Melo
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA.
| | - John E Repine
- Department of Anesthesiology and Webb-Waring Center, University of Colorado SOM, Aurora, CO, USA. .,Department of Medicine, University of Colorado SOM, Aurora, CO, USA.
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Ferrando C, Mugarra A, Gutierrez A, Carbonell JA, García M, Soro M, Tusman G, Belda FJ. Setting Individualized Positive End-Expiratory Pressure Level with a Positive End-Expiratory Pressure Decrement Trial After a Recruitment Maneuver Improves Oxygenation and Lung Mechanics During One-Lung Ventilation. Anesth Analg 2014; 118:657-65. [DOI: 10.1213/ane.0000000000000105] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Alveolar Recruitment Maneuvers for One-Lung Ventilation During Thoracic Anesthesia. CURRENT ANESTHESIOLOGY REPORTS 2014. [DOI: 10.1007/s40140-014-0054-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Ferrando C, Carbonell JA, Gutierrez A, Hernandez J, Belda J. Mechanical ventilation in the operating room: Adjusting VT, PEEP, and FiO2. TRENDS IN ANAESTHESIA AND CRITICAL CARE 2012. [DOI: 10.1016/j.tacc.2012.09.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Unzueta C, Tusman G, Suarez-Sipmann F, Böhm S, Moral V. Alveolar recruitment improves ventilation during thoracic surgery: a randomized controlled trial. Br J Anaesth 2012; 108:517-24. [DOI: 10.1093/bja/aer415] [Citation(s) in RCA: 90] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
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