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Ghia S, Savadjian A, Shin D, Diluozzo G, Weiner MM, Bhatt HV. Hypothermic Circulatory Arrest in Adult Aortic Arch Surgery: A Review of Hypothermic Circulatory Arrest and its Anesthetic Implications. J Cardiothorac Vasc Anesth 2023; 37:2634-2645. [PMID: 37723023 DOI: 10.1053/j.jvca.2023.08.139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/11/2023] [Accepted: 08/20/2023] [Indexed: 09/20/2023]
Abstract
Diseases affecting the aortic arch often require surgical intervention. Hypothermic circulatory arrest (HCA) enables a safe approach during open aortic arch surgeries. Additionally, HCA provides neuroprotection by reducing cerebral metabolism and oxygen requirements. However, HCA comes with significant risks (eg, neurologic dysfunction, stroke, and coagulopathy), and the cardiac anesthesiologist must completely understand the surgical techniques, possible complications, and management strategies.
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Affiliation(s)
- Samit Ghia
- Department of Anesthesiology, Critical Care and Perioperative Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Andre Savadjian
- Department of Anesthesiology and Critical Care, Duke University School of Medicine, Durham, NC
| | - DaWi Shin
- Department of Anesthesiology, Critical Care and Perioperative Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Gabriele Diluozzo
- Department of Cardiovascular Surgery, Yale School of Medicine, Bridgeport, CT
| | - Menachem M Weiner
- Department of Anesthesiology, Critical Care and Perioperative Medicine, Icahn School of Medicine at Mount Sinai, New York, NY.
| | - Himani V Bhatt
- Department of Anesthesiology, Critical Care and Perioperative Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
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Contemporary Neuroprotection Strategies during Cardiac Surgery: State of the Art Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182312747. [PMID: 34886474 PMCID: PMC8657178 DOI: 10.3390/ijerph182312747] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/22/2021] [Accepted: 11/30/2021] [Indexed: 12/30/2022]
Abstract
Open-heart surgery is the leading cause of neuronal injury in the perioperative state, with some patients complicating with cerebrovascular accidents and delirium. Neurological fallout places an immense burden on the psychological well-being of the person affected, their family, and the healthcare system. Several randomised control trials (RCTs) have attempted to identify therapeutic and interventional strategies that reduce the morbidity and mortality rate in patients that experience perioperative neurological complications. However, there is still no consensus on the best strategy that yields improved patient outcomes, such that standardised neuroprotection protocols do not exist in a significant number of anaesthesia departments. This review aims to discuss contemporary evidence for preventing and managing risk factors for neuronal injury, mechanisms of injury, and neuroprotection interventions that lead to improved patient outcomes. Furthermore, a summary of existing RCTs and large observational studies are examined to determine which strategies are supported by science and which lack definitive evidence. We have established that the overall evidence for pharmacological neuroprotection is weak. Most neuroprotective strategies are based on animal studies, which cannot be fully extrapolated to the human population, and there is still no consensus on the optimal neuroprotective strategies for patients undergoing cardiac surgery. Large multicenter studies using universal standardised neurological fallout definitions are still required to evaluate the beneficial effects of the existing neuroprotective techniques.
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Commentary: How cold should we go? J Thorac Cardiovasc Surg 2021; 165:1771-1773. [PMID: 34952703 DOI: 10.1016/j.jtcvs.2021.11.068] [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: 11/29/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 11/20/2022]
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Elhelali A, Hynes N, Devane D, Sultan S, Kavanagh EP, Morris L, Veerasingam D, Jordan F. Hybrid repair versus conventional open repair for thoracic aortic arch aneurysms. Cochrane Database Syst Rev 2021; 6:CD012923. [PMID: 34085713 PMCID: PMC8407084 DOI: 10.1002/14651858.cd012923.pub2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND Thoracic aortic arch aneurysms (TAAs) can be a life-threatening condition due to the potential risk of rupture. Treatment is recommended when the risk of rupture is greater than the risk of surgical complications. Depending on the cause, size and growth rate of the TAA, treatment may vary from close observation to emergency surgery. Aneurysms of the thoracic aorta can be managed by a number of surgical techniques. Open surgical repair (OSR) of aneurysms involves either partial or total replacement of the aorta, which is dependent on the extent of the diseased segment of the aorta. During OSR, the aneurysm is replaced with a synthetic graft. Hybrid repair (HR) involves a combination of open surgery with endovascular aortic stent graft placement. Hybrid repair requires varying degrees of invasiveness, depending on the number of supra-aortic branches that require debranching. The hybrid technique that combines supra-aortic vascular debranching with stent grafting of the aortic arch has been introduced as a therapeutic alternative. However, the short- and long-term outcomes of HR remain unclear, due to technical difficulties and complications as a result of the angulation of the aortic arch as well as handling of the arch during surgery. OBJECTIVES To assess the effectiveness and safety of HR versus conventional OSR for the treatment of TAAs. SEARCH METHODS The Cochrane Vascular Information Specialist searched the Cochrane Vascular Specialised Register, CENTRAL, MEDLINE, Embase, CINAHL and AMED databases and World Health Organization International Clinical Trials Registry Platform and ClinicalTrials.gov trials registers to 22 March 2021. We also searched references of relevant articles retrieved from the electronic search for additional citations. SELECTION CRITERIA We considered for inclusion in the review all published and unpublished randomised controlled trials (RCTs) and controlled clinical trials (CCTs) comparing HR to OSR for TAAs. DATA COLLECTION AND ANALYSIS Two review authors independently screened all titles and abstracts obtained from the literature search to identify those that met the inclusion criteria. We retrieved the full text of studies deemed as potentially relevant by at least one review author. The same review authors screened the full-text articles independently for inclusion or exclusion. MAIN RESULTS No RCTs or CCTs met the inclusion criteria for this review. AUTHORS' CONCLUSIONS Due to the lack of RCTs or CCTs, we were unable to determine the safety and effectiveness of HR compared to OSR in people with TAAs, and we are unable to provide high-certainty evidence on the optimal surgical intervention for this cohort of patients. High-quality RCTs or CCTs are necessary, addressing the objective of this review.
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Affiliation(s)
- Ala Elhelali
- School of Nursing and Midwifery, National University of Ireland Galway, Galway, Ireland
| | - Niamh Hynes
- Department of Vascular and Endovascular Surgery, The Galway Clinic, Galway, Ireland
| | - Declan Devane
- School of Nursing and Midwifery, National University of Ireland Galway, Galway, Ireland
| | - Sherif Sultan
- Vascular Surgery, Galway University Hospital, Galway, Ireland
| | - Edel P Kavanagh
- Department of Vascular and Endovascular Surgery, The Galway Clinic, Galway, Ireland
| | - Liam Morris
- Mechanical and Industrial Engineering, Galway-Mayo Institute of Technology, Galway, Ireland
| | - Dave Veerasingam
- Cardiothoracic Surgery, Galway University Hospital, Galway, Ireland
| | - Fionnuala Jordan
- School of Nursing and Midwifery, National University of Ireland Galway, Galway, Ireland
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Manetta F, Mullan CW, Catalano MA. Neuroprotective Strategies in Repair and Replacement of the Aortic Arch. Int J Angiol 2018; 27:98-109. [PMID: 29896042 PMCID: PMC5995688 DOI: 10.1055/s-0038-1649512] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Aortic arch surgery is a technical challenge, and cerebral protection during distal anastomosis is a continued topic of controversy and discussion. The physiologic effects of hypothermic arrest and adjunctive cerebral perfusion have yet to be fully defined, and the optimal strategies are still undetermined. This review highlights the historical context, physiological rationale, and clinical efficacy of various neuroprotective strategies during arch operations.
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Affiliation(s)
- Frank Manetta
- Department of Cardiovascular and Thoracic Surgery, Barbara and Donald Zucker School of Medicine at Hofstra/Northwell, Manhasset, New York
| | - Clancy W. Mullan
- Department of Cardiovascular and Thoracic Surgery, Barbara and Donald Zucker School of Medicine at Hofstra/Northwell, Manhasset, New York
| | - Michael A. Catalano
- Department of Cardiovascular and Thoracic Surgery, Barbara and Donald Zucker School of Medicine at Hofstra/Northwell, Manhasset, New York
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Stein LH, Rubinfeld G, Balsam LB, Ursomanno P, DeAnda A. Too Cold to Clot? Does Intraoperative Hypothermia Contribute to Bleeding After Aortic Surgery? AORTA : OFFICIAL JOURNAL OF THE AORTIC INSTITUTE AT YALE-NEW HAVEN HOSPITAL 2018; 5:106-116. [PMID: 29657946 DOI: 10.12945/j.aorta.2017.16.049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Accepted: 03/12/2017] [Indexed: 11/18/2022]
Abstract
Background We determined the impact of intraoperative hypothermia on postoperative bleeding after thoracic aortic surgery. Methods We retrospectively analyzed 98 consecutive patients who underwent aortic surgery with deep hypothermic circulatory arrest between 2010 and 2014. We evaluated lowest temperature, absolute decrease in temperature, and rewarming rate. Univariate and multivariate regression were used to determine relationships between temperature, clinical characteristics, and measures of postoperative bleeding. Results The mean age of patients was 60.5 ± 15.1 years, with 64.3% male and 60% Caucasian. The lowest temperatures recorded were 13.5 ± 4.6°C at the bypass circuit. Change in hematocrit was associated with ethnicity, preoperative hematocrit, and rewarming rate. Chest tube output was associated with body mass index, preoperative platelet count, prior cardiac surgery, cardiopulmonary bypass (CPB) duration, intraoperative blood product transfusion, lowest surface temperature, and change in surface temperature. Postoperative packed red blood cell transfusion was associated with ejection fraction, chronic obstructive pulmonary disease (COPD), platelet count, partial thromboplastin time, CPB duration, and lowest blood temperature. Fresh frozen plasma transfusion correlated with COPD, CPB duration, and final blood temperature. Platelet transfusion correlated with body mass index and preoperative platelet count. Unplanned reoperation for bleeding was associated with final temperature and change in temperature. Conclusion We found no consistent associations between intraoperative temperature and indicators of bleeding. Intraoperative cooling strategies should be based on optimal end-organ protection rather than fear of postoperative bleeding; rewarming strategies may ameliorate the risk of coagulopathy.
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Affiliation(s)
- Louis H Stein
- Division of Cardiothoracic Surgery, SUNY Downstate Medical Center, Brooklyn, New York, USA
| | - Gregory Rubinfeld
- Department of Cardiothoracic Surgery, NYU Langone Medical Center, New York, New York, USA
| | - Leora B Balsam
- Department of Cardiothoracic Surgery, NYU Langone Medical Center, New York, New York, USA
| | - Patricia Ursomanno
- Maimonides Heart and Vascular Center, Maimonides Medical Center, Brooklyn, New York, USA
| | - Abe DeAnda
- Division of Cardiothoracic Surgery, University of Texas Medical Branch-Galveston, Galveston, Texas, USA
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Geube M, Sale S, Svensson L. Con: Routine Use of Brain Perfusion Techniques Is Not Supported in Deep Hypothermic Circulatory Arrest. J Cardiothorac Vasc Anesth 2017; 31:1905-1909. [PMID: 28478907 DOI: 10.1053/j.jvca.2017.02.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Indexed: 12/22/2022]
Affiliation(s)
- Mariya Geube
- Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, OH.
| | - Shiva Sale
- Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, OH
| | - Lars Svensson
- Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic, Cleveland, OH
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Direct innominate artery cannulation: An alternate technique for antegrade cerebral perfusion during aortic hemiarch reconstruction. J Thorac Cardiovasc Surg 2016; 151:1073-8. [DOI: 10.1016/j.jtcvs.2015.11.027] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Revised: 11/08/2015] [Accepted: 11/17/2015] [Indexed: 10/22/2022]
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EEG Asymmetry During Aortic Arch Surgeries Associated With Selective Preferential Cerebral Hypothermia. J Clin Neurophysiol 2014; 31:232-5. [DOI: 10.1097/wnp.0000000000000062] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Ziganshin BA, Elefteriades JA. Deep hypothermic circulatory arrest. Ann Cardiothorac Surg 2013; 2:303-15. [PMID: 23977599 DOI: 10.3978/j.issn.2225-319x.2013.01.05] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Accepted: 01/14/2013] [Indexed: 01/12/2023]
Abstract
Effective cerebral protection remains the principle concern during aortic arch surgery. Hypothermic circulatory arrest (HCA) is entrenched as the primary neuroprotection mechanism since the 70s, as it slows injury-inducing pathways by limiting cerebral metabolism. However, increases in HCA duration has been associated with poorer neurological outcomes, necessitating the adjunctive use of antegrade (ACP) and retrograde cerebral perfusion (RCP). ACP has superseded RCP as the preferred perfusion strategy as it most closely mimic physiological perfusion, although there exists uncertainty regarding several technical details, such as unilateral versus bilateral perfusion, flow rate and temperature, perfusion site, undue trauma to head vessels, and risks of embolization. Nevertheless, we believe that the convenience, simplicity and effectiveness of straight DHCA justifies its use in the majority of elective and emergency cases. The following perspective offers a historical and clinical comparison of the DHCA with other techniques of cerebral protection.
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Affiliation(s)
- Bulat A Ziganshin
- Aortic Institute, Yale-New Haven Hospital, New Haven, Connecticut, USA; ; Department of Surgical Diseases No. 2, Kazan State Medical University, Kazan, Russia
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Gruber A, Behringer W, Knosp E. Hypothermia in the operating theatre. Crit Care 2012. [PMCID: PMC3389477 DOI: 10.1186/cc11275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
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Ziganshin B, Elefteriades JA. Does straight deep hypothermic circulatory arrest suffice for brain preservation in aortic surgery? Semin Thorac Cardiovasc Surg 2011; 22:291-301. [PMID: 21549269 DOI: 10.1053/j.semtcvs.2011.01.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/18/2011] [Indexed: 11/11/2022]
Affiliation(s)
- Bulat Ziganshin
- Section of Cardiac Surgery, Yale University School of Medicine, New Haven, Connecticut, USA
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Anastasiadis K, Argiriadou H, Antonitsis P, Chalvatzoulis O, Papakonstantinou C. Cerebral Oximetry-Guided Antegrade Cerebral Perfusion in Aortic Arch Surgery. J Cardiothorac Vasc Anesth 2011; 25:591-2. [DOI: 10.1053/j.jvca.2010.08.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2010] [Indexed: 11/11/2022]
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Andritsos M, Singh N, Patel P, Sinha A, Fassl J, Wyckoff T, Riha H, Roscher C, Subramaniam B, Ramakrishna H, Augoustides JG. The Year in Cardiothoracic and Vascular Anesthesia: Selected Highlights From 2010. J Cardiothorac Vasc Anesth 2011; 25:6-15. [DOI: 10.1053/j.jvca.2010.11.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2010] [Indexed: 12/14/2022]
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