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Zorrilla-Vaca A, Grant MC, Law M, Messinger CJ, Pelosi P, Varelmann D. Dexmedetomidine improves pulmonary outcomes in thoracic surgery under one-lung ventilation: A meta-analysis. J Clin Anesth 2024; 93:111345. [PMID: 37988813 PMCID: PMC11034816 DOI: 10.1016/j.jclinane.2023.111345] [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: 05/05/2023] [Revised: 11/14/2023] [Accepted: 11/16/2023] [Indexed: 11/23/2023]
Abstract
INTRODUCTION Dexmedetomidine improves intrapulmonary shunt in thoracic surgery and minimizes inflammatory response during one-lung ventilation (OLV). However, it is unclear whether such benefits translate into less postoperative pulmonary complications (PPCs). Our objective was to determine the impact of dexmedetomidine on the incidence of PPCs after thoracic surgery. METHODS Major databases were used to identify randomized trials that compared dexmedetomidine versus placebo during thoracic surgery in terms of PPCs. Our primary outcome was atelectasis within 7 days after surgery. Other specific PPCs included hypoxemia, pneumonia, and acute respiratory distress syndrome (ARDS). Secondary outcome included intraoperative respiratory mechanics (respiratory compliance [Cdyn]) and postoperative lung function (forced expiratory volume [FEV1]). Random effects models were used to estimate odds ratios (OR). RESULTS Twelve randomized trials, including 365 patients in the dexmedetomidine group and 359 in the placebo group, were analyzed in this meta-analysis. Patients in the dexmedetomidine group were less likely to develop postoperative atelectasis (2.3% vs 6.8%, OR 0.42, 95%CI 0.18-0.95, P = 0.04; low certainty) and hypoxemia (3.4% vs 11.7%, OR 0.26, 95%CI 0.10-0.68, P = 0.01; moderate certainty) compared to the placebo group. The incidence of postoperative pneumonia (3.2% vs 5.8%, OR 0.57, 95%CI 0.25-1.26, P = 0.17; moderate certainty) or ARDS (0.9% vs 3.5%, OR 0.39, 95%CI 0.07-2.08, P = 0.27; moderate certainty) was comparable between groups. Both intraoperative Cdyn and postoperative FEV1 were higher among patients that received dexmedetomidine with a mean difference of 4.42 mL/cmH2O (95%CI 3.13-5.72) and 0.27 L (95%CI 0.12-0.41), respectively. CONCLUSION Dexmedetomidine administration during thoracic surgery may potentially reduce the risk of postoperative atelectasis and hypoxemia. However, current evidence is insufficient to demonstrate an effect on pneumonia or ARDS.
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Affiliation(s)
- Andres Zorrilla-Vaca
- Department of Anesthesiology, Pain and Perioperative Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Department of Anesthesiology, Universidad del Valle, Cali, Colombia.
| | - Michael C Grant
- Department of Anesthesiology and Critical Care Medicine, The Johns Hopkins Hospital, Baltimore, MD, USA
| | - Martin Law
- Medical Research Council Biostatistics Unit, University of Cambridge, Cambridge, UK
| | - Chelsea J Messinger
- Department of Anesthesiology, Pain and Perioperative Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Paolo Pelosi
- Anesthesiology and Critical Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neurosciences, Genoa, Italy; Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
| | - Dirk Varelmann
- Department of Anesthesiology, Pain and Perioperative Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
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Yang Y, Jia D, Cheng L, Jia K, Wang J. Continuous positive airway pressure combined with small-tidal-volume ventilation on arterial oxygenation and pulmonary shunt during one-lung ventilation in patients undergoing video-assisted thoracoscopic lobectomy: A randomized, controlled study. Ann Thorac Med 2024; 19:155-164. [PMID: 38766377 PMCID: PMC11100470 DOI: 10.4103/atm.atm_240_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/28/2023] [Accepted: 11/29/2023] [Indexed: 05/22/2024] Open
Abstract
BACKGROUND One-lung ventilation (OLV) is frequently applied during video-assisted thoracoscopic surgery (VATS) airway management to collapse and isolate the nondependent lung (NL). OLV can give rise to hypoxemia as a result of the pulmonary shunting produced. Our study aimed to assess the influence of continuous positive airway pressure (CPAP) combined with small-tidal-volume ventilation on improving arterial oxygenation and decreasing pulmonary shunt rate (QS/QT) without compromising surgical field exposure during OLV. METHODS Forty-eight patients undergoing scheduled VATS lobectomy were enrolled in this research and allocated into three groups at random: C group (conventional ventilation, no NL ventilation intervention was performed), LP group (NL was ventilated with lower CPAP [2 cmH2O] and a 40-60 mL tidal volume [TV]), and HP group (NL was ventilated with higher CPAP [5 cmH2O] and a 60-80 mL TV). Record the blood gas analysis data and calculate the QS/QT at the following time: at the beginning of the OLV (T0), 30 min after OLV (T1), and 60 min after OLV (T2). Surgeons blinded to ventilation techniques were invited to evaluate the surgical fields. RESULTS The demography data of the three groups were consistent with the surgical data. At T1, PaO2 in the HP group was substantially higher compared to the C group (P < 0.05), while there was no significant difference in the LP group (P > 0.05). At T1-T2, PaCO2 in the LP and HP groups was significantly less than that in the C group (P < 0.05). At T1, the QS/QT values of groups C, LP, and HP were 29.54 ± 6.89%, 22.66 ± 2.08%, and 19.64 ± 5.76%, respectively, and the QS/QT values in the LP and HP groups markedly reduced (P < 0.01). The surgical field's evaluation by the surgeon among the three groups was not notable (P > 0.05). CONCLUSION CPAP combined with small-tidal-volume ventilation effectively improved arterial oxygenation and reduced QS/QT and PaCO2 without compromising surgical field exposure during OLV. Among them, 5 cmH2O CPAP + 60-80 ml TV ventilation had a better effect on improving oxygenation.
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Affiliation(s)
- Yudie Yang
- Department of Clinical Medicine, North Sichuan Medical College, Nanchong, Sichuan, China
| | - Dong Jia
- Department of Anesthesiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, China
| | - Lu Cheng
- Department of Anesthesiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, China
| | - Ke Jia
- Department of Thoracic Surgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, China
| | - Ji Wang
- Department of Anesthesiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, China
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Alfaras-Melainis K, Fernando RJ, Boisen ML, Hoffman PJ, Rosenkrans DJ, Teeter E, Cardi AI, Laney J, Reagan A, Rao VK, Anderson M, Luke CB, Subramani S, Schisler T, Ritchie PJ, Gelzinis TA. The Year in Thoracic Anesthesia: Selected Highlights from 2022. J Cardiothorac Vasc Anesth 2024; 38:29-56. [PMID: 37802689 DOI: 10.1053/j.jvca.2023.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 09/04/2023] [Indexed: 10/08/2023]
Abstract
This article reviews research highlights in the field of thoracic anesthesia. The highlights of this year included new developments in the preoperative assessment and prehabilitation of patients requiring thoracic surgery, updates on the use of devices for one-lung ventilation (OLV) in adults and children, updates on the anesthetic and postoperative management of these patients, including protective OLV ventilation, the use of opioid-sparing techniques and regional anesthesia, and outcomes using enhanced recovery after surgery, as well as the use of expanding indications for extracorporeal membrane oxygenation, specialized anesthetic techniques for airway surgery, and nonintubated video-assisted thoracic surgery.
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Affiliation(s)
| | - Rohesh J Fernando
- Cardiothoracic Section, Department of Anesthesiology, Wake Forest School of Medicine, Winston-Salem, NC
| | - Michael L Boisen
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA
| | - Paul J Hoffman
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA
| | | | - Emily Teeter
- Department of Anesthesiology, University of North Carolina, Chapel Hill, NC
| | - Alessandra I Cardi
- Department of Anesthesiology and Critical Care, University of Pennsylvania, Philadelphia, PA
| | - Jeremy Laney
- Department of Anesthesiology, University of Southern California, Los Angeles, CA
| | - Aaron Reagan
- Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX
| | - Vidya K Rao
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University, Stanford, CA
| | - Michael Anderson
- Department of Anesthesiology and Perioperative Medicine, Icahn School of Medicine at Mount Sinai, New York City, NY
| | - Charles B Luke
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA
| | - Sudhakar Subramani
- Department of Anesthesiology, University of Iowa Hospitals & Clinics, Iowa City, IA
| | - Travis Schisler
- Department of Anesthesiology, Pharmacology and Therapeutics, University of British Columbia, Vancouver General Hospital, Vancouver, British Columbia Canada
| | - Peter J Ritchie
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA
| | - Theresa A Gelzinis
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA.
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Campos JH, Sharma A. What is the Ideal Tidal Volume During One-Lung Ventilation? J Cardiothorac Vasc Anesth 2023; 37:1993-1995. [PMID: 37391356 DOI: 10.1053/j.jvca.2023.06.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 06/11/2023] [Indexed: 07/02/2023]
Affiliation(s)
- Javier H Campos
- Department of Anesthesia, University of Iowa Carver College of Medicine, Iowa City, IA.
| | - Archit Sharma
- Department of Anesthesia, University of Iowa Carver College of Medicine, Iowa City, IA
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El Tahan MR, Samara E, Marczin N, Landoni G, Pasin L. Impact of Lower Tidal Volumes During One-Lung Ventilation: A 2022 Update of the Meta-analysis of Randomized Controlled Trials. J Cardiothorac Vasc Anesth 2023; 37:1983-1992. [PMID: 37225546 DOI: 10.1053/j.jvca.2023.04.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 04/03/2023] [Accepted: 04/14/2023] [Indexed: 05/26/2023]
Abstract
OBJECTIVES To clarify the influence of lower tidal volume (4-7 mL/kg) compared with higher tidal volume (8-15 mL/kg) during one-lung ventilation (OLV) on gas exchange and postoperative clinical outcome. DESIGN Meta-analysis of randomized trials. SETTING Thoracic surgery. PARTICIPANTS Patients receiving OLV. INTERVENTIONS Lower tidal volume during OLV. MEASUREMENTS AND MAIN RESULTS Primary outcome was PaO2-to-the oxygen fraction (PaO2/FIO2) ratio at the end of the surgery, after the reinstitution of two-lung ventilation. Secondary endpoints included perioperative changes in PaO2/FIO2 ratio and carbon dioxide (PaCO2) tension, airway pressure, the incidence of postoperative pulmonary complications, arrhythmia, and length of hospital stay. Seventeen randomized controlled trials (1,463 patients) were selected. Overall analysis showed that the use of low tidal volume during OLV was associated with a significantly higher PaO2/FIO2 ratio 15 minutes after the start of OLV and at the end of surgery (mean difference 33.7 mmHg [p = 0.02] and mean difference 18.59 mmHg [p < 0.001], respectively). The low tidal volume also was associated with higher PaCO2 values 15 minutes and 60 minutes after the start of OLV and with lower airway pressure, which was maintained during two-lung ventilation after surgery. Moreover, the application of lower tidal volume was associated with fewer postoperative pulmonary complications (odds ratio 0.50; p < 0.001) and arrhythmias (odds ratio 0.58; p = 0.009), with no difference in length of hospital stay. CONCLUSIONS The use of lower tidal volume, a component of protective OLV, increases the PaO2/FIO2 ratio, reduces the incidence of postoperative pulmonary complications, and should be considered strongly in daily practice.
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Affiliation(s)
- Mohamed R El Tahan
- Anesthesiology Department, College of Medicine, Imam Abdulrahman Bin Faisal University, Al Khubar, Dammam, Saudi Arabia
| | - Evangelia Samara
- Department of Anesthesiology and Postoperative Intensive Care, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece
| | - Nandor Marczin
- The Royal Brompton and Harefield NHS Foundation Trust, London, UK; Section of Anesthesia, Pain Medicine, and Intensive Care, Imperial College London, London, UK; Semmelweis University, Budapest, Hungary
| | - Giovanni Landoni
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy; Vita-Salute San Raffaele University, Milano, Italy
| | - Laura Pasin
- Department of Anesthesia and Intensive Care, Azienda Ospedale-Università di Padova, Padua, Italy.
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Kormish J, Ghuman T, Liu RY, Srinathan SK, Tan L, Graham K, Enns S, Buduhan G, Halayko AJ, Pascoe CD, Kidane B. Temporal and Spatial Patterns of Inflammation and Tissue Injury in Patients with Postoperative Respiratory Failure after Lung Resection Surgery: A Nested Case-Control Study. Int J Mol Sci 2023; 24:10051. [PMID: 37373199 DOI: 10.3390/ijms241210051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 06/06/2023] [Accepted: 06/10/2023] [Indexed: 06/29/2023] Open
Abstract
Thoracic surgeries involving resection of lung tissue pose a risk of severe postoperative pulmonary complications, including acute respiratory distress syndrome (ARDS) and respiratory failure. Lung resections require one-lung ventilation (OLV) and, thus, are at higher risk of ventilator-induced lung injury (VILI) attributable to barotrauma and volutrauma in the one ventilated lung, as well as hypoxemia and reperfusion injury on the operated lung. Further, we also aimed to assess the differences in localized and systemic markers of tissue injury/inflammation in those who developed respiratory failure after lung surgery versus matched controls who did not develop respiratory failure. We aimed to assess the different inflammatory/injury marker patterns induced in the operated and ventilated lung and how this compared to the systemic circulating inflammatory/injury marker pattern. A case-control study nested within a prospective cohort study was performed. Patients with postoperative respiratory failure after lung surgery (n = 5) were matched with control patients (n = 6) who did not develop postoperative respiratory failure. Biospecimens (arterial plasma, bronchoalveolar lavage separately from ventilated and operated lungs) were obtained from patients undergoing lung surgery at two timepoints: (1) just prior to initiation of OLV and (2) after lung resection was completed and OLV stopped. Multiplex electrochemiluminescent immunoassays were performed for these biospecimen. We quantified 50 protein biomarkers of inflammation and tissue injury and identified significant differences between those who did and did not develop postoperative respiratory failure. The three biospecimen types also display unique biomarker patterns.
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Affiliation(s)
- Jay Kormish
- Section of Thoracic Surgery, Department of Surgery, Health Sciences Centre, Winnipeg, MB R3A 1R9, Canada
- Department of Surgery, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3A 1R9, Canada
- Children's Hospital Research Institute of Manitoba, Winnipeg, MB R3A 1R9, Canada
| | - Tejas Ghuman
- Department of Surgery, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3A 1R9, Canada
- Department of Physiology and Pathophysiology, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3A 1R9, Canada
| | - Richard Y Liu
- Section of Thoracic Surgery, Department of Surgery, Health Sciences Centre, Winnipeg, MB R3A 1R9, Canada
- Department of Surgery, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3A 1R9, Canada
| | - Sadeesh K Srinathan
- Section of Thoracic Surgery, Department of Surgery, Health Sciences Centre, Winnipeg, MB R3A 1R9, Canada
- Department of Surgery, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3A 1R9, Canada
| | - Lawrence Tan
- Department of Surgery, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3A 1R9, Canada
| | - Kristen Graham
- Section of Thoracic Surgery, Department of Surgery, Health Sciences Centre, Winnipeg, MB R3A 1R9, Canada
| | - Stephanie Enns
- Section of Thoracic Surgery, Department of Surgery, Health Sciences Centre, Winnipeg, MB R3A 1R9, Canada
| | - Gordon Buduhan
- Section of Thoracic Surgery, Department of Surgery, Health Sciences Centre, Winnipeg, MB R3A 1R9, Canada
- Department of Surgery, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3A 1R9, Canada
| | - Andrew J Halayko
- Children's Hospital Research Institute of Manitoba, Winnipeg, MB R3A 1R9, Canada
- Department of Physiology and Pathophysiology, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3A 1R9, Canada
| | - Christopher D Pascoe
- Children's Hospital Research Institute of Manitoba, Winnipeg, MB R3A 1R9, Canada
- Department of Physiology and Pathophysiology, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3A 1R9, Canada
| | - Biniam Kidane
- Section of Thoracic Surgery, Department of Surgery, Health Sciences Centre, Winnipeg, MB R3A 1R9, Canada
- Department of Surgery, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3A 1R9, Canada
- Children's Hospital Research Institute of Manitoba, Winnipeg, MB R3A 1R9, Canada
- Department of Physiology and Pathophysiology, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3A 1R9, Canada
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Einlungenventilation: niedrige versus hohe Tidalvolumina. Pneumologie 2023. [DOI: 10.1055/a-1945-4833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Einlungenventilation: niedrige versus hohe Tidalvolumina. Zentralbl Chir 2022. [DOI: 10.1055/a-1808-0352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Commentary: The tid(al)s are turning toward lower volumes. J Thorac Cardiovasc Surg 2021; 163:1587-1588. [PMID: 33676758 DOI: 10.1016/j.jtcvs.2021.01.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 01/10/2021] [Accepted: 01/11/2021] [Indexed: 11/22/2022]
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Karush J, Liptay M. Commentary: Low tidal volume ventilation: How low can you go? J Thorac Cardiovasc Surg 2021; 163:1586-1587. [PMID: 33563425 DOI: 10.1016/j.jtcvs.2020.12.124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 12/23/2020] [Accepted: 12/24/2020] [Indexed: 11/16/2022]
Affiliation(s)
- Justin Karush
- Department of Thoracic Surgery, Rush University Medical Center, Chicago, Ill
| | - Michael Liptay
- Department of Thoracic Surgery, Rush University Medical Center, Chicago, Ill.
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