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Li Z, Zhu Y, Qin S, Gao X, Kang Y, Li S, Chai J. Effects of permissive hypercapnia on intraoperative cerebral oxygenation and early postoperative cognitive function in older patients with non-acute fragile brain function undergoing laparoscopic colorectal surgery: protocol study. BMC Geriatr 2023; 23:581. [PMID: 37735369 PMCID: PMC10512528 DOI: 10.1186/s12877-023-04125-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 06/21/2023] [Indexed: 09/23/2023] Open
Abstract
BACKGROUND Perioperative brain protection in older patients has been the focus of research recently; meanwhile, exploring the relationship between regional cerebral oxygen saturation (rSO2) and brain function in the perioperative period has been an emerging and challenging area-the difficulties related to the real-time monitoring of rSO2 and the choice of feasible interventions. As an advanced instrument for intraoperative rSO2 monitoring, the clinical application of near-infrared spectrum (NIRS) cerebral oxygen monitoring has gradually increased in popularity and is being recognized for its beneficial clinical outcomes in patients undergoing cardiac and noncardiac surgery. In addition, although sufficient evidence to support this hypothesis is still lacking, the effect of permissive hypercapnia (PHC) on rSO2 has expanded from basic research to clinical exploration. Therefore, monitoring intraoperative rSO2 in older patients with NIRS technology and exploring possible interventions that may change rSO2 and even improve postoperative cognitive performance is significant and clinically valuable. METHODS This study is a single-center randomized controlled trial (RCT). 76 older patients are enrolled as subjects. Patients who meet the screening criteria will be randomly assigned 1:1 to the control and intervention groups. PHC-based mechanical ventilation will be regarded as an intervention. The primary outcome is the absolute change in the percent change in rSO2 from baseline to the completion of surgery in the intervention and control groups. Secondary outcomes mainly include observations of intraoperative cerebral oxygenation and metabolism, markers of brain injury, and assessments of patients' cognitive function using scale through postoperative follow-up. DISCUSSION The findings of this RCT will reveal the effect of PHC on intraoperative rSO2 in older patients with nonacute fragile brain function (NFBF) and the approximate trends over time, and differences in postoperative cognitive function outcomes. We anticipate that the trial results will inform clinical policy decision-makers in clinical practice, enhance the management of intraoperative cerebral oxygen monitoring in older patients with comorbid NFBF, and provide guidance for clinical brain protection and improved postoperative cognitive function outcomes. TRIAL REGISTRATION ChiCTR, ChiCTR2200062093, Registered 9/15/2022.
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Affiliation(s)
- Zhichao Li
- Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Youzhuang Zhu
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Shangyuan Qin
- Department of Anesthesiology, Liaoning Cancer Hospital & Institute, Shenyang, China
| | - Xin Gao
- Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yihan Kang
- Department of Anesthesiology, The First Hospital of China Medical University, Shenyang, China
| | - Si Li
- Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Jun Chai
- Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, China.
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Zhong W, Ji Z, Sun C. A Review of Monitoring Methods for Cerebral Blood Oxygen Saturation. Healthcare (Basel) 2021; 9:healthcare9091104. [PMID: 34574878 PMCID: PMC8466732 DOI: 10.3390/healthcare9091104] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 07/13/2021] [Accepted: 07/31/2021] [Indexed: 01/02/2023] Open
Abstract
In recent years, cerebral blood oxygen saturation has become a key indicator during the perioperative period. Cerebral blood oxygen saturation monitoring is conducive to the early diagnosis and treatment of cerebral ischemia and hypoxia. The present study discusses the three most extensively used clinical methods for cerebral blood oxygen saturation monitoring from different aspects: working principles, relevant parameters, current situations of research, commonly used equipment, and relative advantages of different methods. Furthermore, through comprehensive comparisons of the methods, we find that near-infrared spectroscopy (NIRS) technology has significant potentials and broad applications prospects in terms of cerebral oxygen saturation monitoring. Despite the current NIRS technology, the only bedside non-invasive cerebral oxygen saturation monitoring technology, still has many defects, it is more in line with the future development trend in the field of medical and health, and will become the main method gradually.
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Affiliation(s)
- Wentao Zhong
- College of Bioengineering, Chongqing University, Chongqing 400044, China; (W.Z.); (C.S.)
| | - Zhong Ji
- College of Bioengineering, Chongqing University, Chongqing 400044, China; (W.Z.); (C.S.)
- Key Laboratory of Biorheological Science and Technology, Chongqing University, Ministry of Education, Chongqing 400044, China
- Correspondence:
| | - Changlong Sun
- College of Bioengineering, Chongqing University, Chongqing 400044, China; (W.Z.); (C.S.)
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Near-infrared Spectroscopy-derived Cerebral Autoregulation Indices Independently Predict Clinical Outcome in Acutely Ill Comatose Patients. J Neurosurg Anesthesiol 2021; 32:234-241. [PMID: 30864999 PMCID: PMC6732251 DOI: 10.1097/ana.0000000000000589] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Outcome prediction in comatose patients with acute brain injury remains challenging. Regional cerebral oxygenation (rSO2) derived from near-infrared spectroscopy (NIRS) is a surrogate for cerebral blood flow and can be used to calculate cerebral autoregulation (CA) continuously at the bedside from the derived cerebral oximetry index (COx). We hypothesized that COx derived thresholds for CA are associated with outcomes in patients with acute coma from neurological injury. METHODS A prospective cohort study was conducted in 88 acutely comatose adults with heterogenous brain injury diagnoses who were continuously monitored with COx for up to 3 consecutive days. Multivariable logistic regression was performed to investigate association between averaged COx and short (in-hospital and 3 mo) and long-term (6 mo) outcomes. RESULTS Six month mortality rate was 62%. Median COx in nonsurvivors at hospital discharge was 0.082 [interquartile range, IQR: 0.045 to 0.160] compared with 0.042 [IQR: -0.005 to 0.110] in survivors (P=0.012). At 6 months, median COx was 0.075 [IQR: 0.27 to 0.158] in nonsurvivors compared with 0.029 [IQR: -0.015 to 0.077] in survivors (P=0.02). In the multivariable logistic regression model adjusted for confounders, average COx ≥0.05 was associated with both in-hospital mortality (adjusted odds ratio [OR]=2.9, 95% confidence interval [CI]=1.15-7.33, P=0.02), mortality at 6 months (adjusted OR=4.4, 95% CI=1.41-13.7, P=0.01), and severe disability (modified Rankin Score ≥4) at 6 months (adjusted OR=4.4, 95% CI=1.07-17.8, P=0.04). Area under the receiver operating characteristic curve for predicting mortality and severe disability at 6 months were 0.783 and 0.825, respectively. CONCLUSIONS Averaged COx ≥0.05 is independently associated with short and long-term mortality and long-term severe disability in acutely comatose adults with neurological injury. We propose that COx ≥0.05 represents an accurate threshold to predict long-term functional outcome in acutely comatose adults.
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Li L, Zhao L, Wang T, Xu N, Wang P, An Y, Li Z, Jiao L, Yang B, Hua Y. Alveolar Recruitment Maneuver Reduces Cerebral Oxygen Saturation and Cerebral Blood Flow Velocity in Patients During Carotid Endarterectomy. Med Sci Monit 2021; 27:e930617. [PMID: 34148051 PMCID: PMC8223757 DOI: 10.12659/msm.930617] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND This study aimed to determine the effects of alveolar recruitment maneuver (RM) on cerebral oxygen saturation and cerebral blood velocity in patients undergoing carotid endarterectomy (CEA) before clamping of the carotid artery. MATERIAL AND METHODS In this crossover exploratory study, all patients were randomized to undergo an RM (30 cmH₂O of continuous airway pressure for 30 s) and a "sham" maneuver (SM; 5 cmH₂O for 30 s), followed by an alternative intervention after a 5-min equilibration period. Near-infrared spectroscopy (NIRS) was used to monitor regional cerebral oxygen saturation (rSO₂), and transcranial Doppler ultrasonography (TCD) to evaluate blood velocity of the middle cerebral artery (V-MCA). Changes in rSO₂, V-MCA, mean arterial pressure (MAP), and heart rate (HR) in response to the 2 interventions were compared. RESULTS A total of 59 patients underwent the study procedure. RM reduced rSO₂, V-MCA, MAP, and HR, but these variables slightly changed during SM. A significant drop in rSO₂ was observed immediately after RM compared with the baseline value (68.51±4.4% vs 64.12±5.15%; P<0.001). The decrease in rSO₂ was higher during the RM than during the SM (-6±4% vs 1±2%; P<0.001). Similarly, change in V-MCA was more significant in response to RM than SM (-26±19% vs 19±16%; P<0.001). The V-MCA value changed from 39 cm/s to 29 cm/s after RM. In addition, V-MCA of the ipsilateral to the surgical side decreased more obviously than the contralateral side (-26±19% vs -20±17%; P=0.001). CONCLUSIONS An RM at 30 cmH₂O of continuous airway pressure for 30 s decreased rSO₂ and V-MCA. In addition, MAP and HR were affected.
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Affiliation(s)
- Lixia Li
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China (mainland)
| | - Lei Zhao
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China (mainland)
| | - Tianlong Wang
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China (mainland)
| | - Na Xu
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China (mainland)
| | - Ping Wang
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China (mainland)
| | - Yi An
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China (mainland)
| | - Zhongjia Li
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China (mainland)
| | - Liqun Jiao
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China (mainland)
| | - Bin Yang
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China (mainland)
| | - Yang Hua
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China (mainland)
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Bonatti G, Iannuzzi F, Amodio S, Mandelli M, Nogas S, Sottano M, Brunetti I, Battaglini D, Pelosi P, Robba C. Neuromonitoring during general anesthesia in non-neurologic surgery. Best Pract Res Clin Anaesthesiol 2020; 35:255-266. [PMID: 34030809 DOI: 10.1016/j.bpa.2020.10.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 10/15/2020] [Indexed: 11/30/2022]
Abstract
Cerebral complications are common in perioperative settings even in non-neurosurgical procedures. These include postoperative cognitive dysfunction or delirium as well as cerebrovascular accidents. During surgery, it is essential to ensure an adequate degree of sedation and analgesia, and at the same time, to provide hemodynamic and respiratory stability in order to minimize neurological complications. In this context, the role of neuromonitoring in the operating room is gaining interest, even in the non-neurolosurgical population. The use of multimodal neuromonitoring can potentially reduce the occurrence of adverse effects during and after surgery, and optimize the administration of anesthetic drugs. In addition to the traditional focus on monitoring hemodynamic and respiratory systems during general anesthesia, the ability to constantly monitor the activity and maintenance of brain homeostasis, creating evidence-based protocols, should also become part of the standard of care: in this challenge, neuromonitoring comes to our aid. In this review, we aim to describe the role of the main types of noninvasive neuromonitoring such as those based on electroencephalography (EEG) waves (EEG, Entropy module, Bispectral Index, Narcotrend Monitor), near-infrared spectroscopy (NIRS) based on noninvasive measurement of cerebral regional oxygenation, and Transcranial Doppler used in the perioperative settings in non-neurosurgical intervention. We also describe the advantages, disadvantage, and limitation of each monitoring technique.
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Affiliation(s)
- Giulia Bonatti
- Anesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience, Genoa, Italy.
| | - Francesca Iannuzzi
- Department of Surgical Sciences and Integrated Diagnostic (DISC), University of Genoa, Genoa, Italy.
| | - Sara Amodio
- Department of Surgical Sciences and Integrated Diagnostic (DISC), University of Genoa, Genoa, Italy.
| | - Maura Mandelli
- Department of Surgical Sciences and Integrated Diagnostic (DISC), University of Genoa, Genoa, Italy.
| | - Stefano Nogas
- Department of Surgical Sciences and Integrated Diagnostic (DISC), University of Genoa, Genoa, Italy.
| | - Marco Sottano
- Department of Surgical Sciences and Integrated Diagnostic (DISC), University of Genoa, Genoa, Italy.
| | - Iole Brunetti
- Anesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience, Genoa, Italy.
| | - Denise Battaglini
- Anesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience, Genoa, Italy.
| | - Paolo Pelosi
- Anesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience, Genoa, Italy; Department of Surgical Sciences and Integrated Diagnostic (DISC), University of Genoa, Genoa, Italy.
| | - Chiara Robba
- Anesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience, Genoa, Italy.
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Mirbagheri M, Hakimi N, Ebrahimzadeh E, Pourrezaei K, Setarehdan SK. Enhancement of optical penetration depth of LED-based NIRS systems by comparing different beam profiles. Biomed Phys Eng Express 2019. [DOI: 10.1088/2057-1976/ab42d9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Aubrun F, Baillard C, Beuscart JB, Billard V, Boddaert J, Boulanger É, Dufeu N, Friggeri A, Khiami F, Salmon PK, Merloz P, Minville V, Molliex S, Mouchoux C, Pain L, Piriou V, Raux M, Servin F. Recommandation sur l’anesthésie du sujet âgé : l’exemple de fracture de l’extrémité supérieure du fémur. ANESTHÉSIE & RÉANIMATION 2019. [DOI: 10.1016/j.anrea.2018.12.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Al-Mufti F, Lander M, Smith B, Morris NA, Nuoman R, Gupta R, Lissauer ME, Gupta G, Lee K. Multimodality Monitoring in Neurocritical Care: Decision-Making Utilizing Direct And Indirect Surrogate Markers. J Intensive Care Med 2018; 34:449-463. [PMID: 30205730 DOI: 10.1177/0885066618788022] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Substantial progress has been made to create innovative technology that can monitor the different physiological characteristics that precede the onset of secondary brain injury, with the ultimate goal of intervening prior to the onset of irreversible neurological damage. One of the goals of neurocritical care is to recognize and preemptively manage secondary neurological injury by analyzing physiologic markers of ischemia and brain injury prior to the development of irreversible damage. This is helpful in a multitude of neurological conditions, whereby secondary neurological injury could present including but not limited to traumatic intracranial hemorrhage and, specifically, subarachnoid hemorrhage, which has the potential of progressing to delayed cerebral ischemia and monitoring postneurosurgical interventions. In this study, we examine the utilization of direct and indirect surrogate physiologic markers of ongoing neurologic injury, including intracranial pressure, cerebral blood flow, and brain metabolism.
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Affiliation(s)
- Fawaz Al-Mufti
- 1 Division of Neuroendovascular Surgery and Neurocritical Care, Department of Neurology, Rutgers University, Robert Wood Johnson Medical School, New Brunswick, NJ, USA.,2 Department of Neurosurgery, Rutgers University, New Jersey Medical School, Newark, NJ, USA
| | - Megan Lander
- 3 Division of Surgical Critical Care, Department of Surgery, Rutgers University, Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Brendan Smith
- 4 Rutgers University, New Jersey Medical School, Newark, NJ, USA
| | - Nicholas A Morris
- 5 Department of Neurology, University of Maryland Medical Center, Baltimore, MD, USA
| | - Rolla Nuoman
- 6 Department of Neurology, Rutgers University, New Jersey Medical School, Newark, NJ, USA
| | - Rajan Gupta
- 3 Division of Surgical Critical Care, Department of Surgery, Rutgers University, Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Matthew E Lissauer
- 3 Division of Surgical Critical Care, Department of Surgery, Rutgers University, Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Gaurav Gupta
- 7 Division of Neurosurgery, Department of Surgery, Rutgers University, Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Kiwon Lee
- 1 Division of Neuroendovascular Surgery and Neurocritical Care, Department of Neurology, Rutgers University, Robert Wood Johnson Medical School, New Brunswick, NJ, USA
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Ghebremichael SJ, Sridhar S, Guzman-Reyes S, Pivalizza EG. Dramatic change in cerebral oximetry during liver transplantation. Proc (Bayl Univ Med Cent) 2018; 31:185-186. [PMID: 29706813 DOI: 10.1080/08998280.2017.1416238] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 10/31/2017] [Accepted: 11/05/2017] [Indexed: 10/18/2022] Open
Abstract
We report dramatic changes in bilateral cerebral tissue oxygenation in a patient undergoing an orthotopic liver transplant coincident with clamping and subsequent restoration of flow through the inferior vena cava. Although hemodynamic stability was maintained with low-dose vasopressor support, cardiac output was decreased, suggesting preload dependence of the measured cerebral oxygenation. Further investigation is warranted in patients with end-stage liver disease and interruption of venous return.
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Affiliation(s)
- Semhar J Ghebremichael
- Department of Anesthesiology, University of Texas McGovern Medical School, Houston, Texas
| | - Srikanth Sridhar
- Department of Anesthesiology, University of Texas McGovern Medical School, Houston, Texas
| | - Sara Guzman-Reyes
- Department of Anesthesiology, University of Texas McGovern Medical School, Houston, Texas
| | - Evan G Pivalizza
- Department of Anesthesiology, University of Texas McGovern Medical School, Houston, Texas
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Intraoperative cerebral oximetry-based management for optimizing perioperative outcomes: a meta-analysis of randomized controlled trials. Can J Anaesth 2018; 65:529-542. [DOI: 10.1007/s12630-018-1065-7] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Revised: 12/10/2017] [Accepted: 12/10/2017] [Indexed: 12/13/2022] Open
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Burton KK, Valentine EA. Combined Somatic and Cerebral Oximetry Monitoring in Liver Transplantation: A Novel Approach to Clinical Diagnosis. J Cardiothorac Vasc Anesth 2017; 32:85-87. [PMID: 29126675 DOI: 10.1053/j.jvca.2017.08.047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Kristen K Burton
- Department of Anesthesiology and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA
| | - Elizabeth A Valentine
- Department of Anesthesiology and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA.
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12
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Cerebral oxygen desaturation occurs frequently in patients with hypertension undergoing major abdominal surgery. J Clin Monit Comput 2017; 32:285-293. [DOI: 10.1007/s10877-017-0024-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 04/26/2017] [Indexed: 11/27/2022]
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