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Yan Y, Zhao C, Niu J, Yan P, Li J, Wang D, Li G. Rationale and Design of the IMPROVE Trial: A Multicenter, Randomized, Controlled, Open-label, Blinded-endpoint Trial Assessing the Efficacy of Remote Ischemic Conditioning in Patients Undergoing Off-Pump Coronary Artery Bypass Grafting. Adv Ther 2024; 41:3003-3012. [PMID: 38616242 DOI: 10.1007/s12325-024-02836-7] [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: 12/02/2023] [Accepted: 03/07/2024] [Indexed: 04/16/2024]
Abstract
INTRODUCTION Despite the appearance of off-pump coronary artery bypass grafting (CABG), ischemia-reperfusion injury (IRI) in the perioperative period still arouses concerns of clinicians. Remote ischemic conditioning (RIC) is the process of repeated ischemia and reperfusion in the peripheral vessels, which is proven to reduce IRI in vital organs. However, the effect of RIC in patients undergoing off-pump CABG is still unclear. METHODS This IMPROVE trial is a national, multicenter, randomized, controlled, open-label, blinded-endpoint clinical trial designed to assess whether RIC intervention can improve short-term prognosis of patients undergoing off-pump CABG. It plans to enroll 648 patients who will be randomly assigned into a RIC group or control group. Patients in the RIC group will receive four cycles of 5 min of pressurization (about 200 mmHg) and 5 min of rest in the 3 days before and 7 days after the surgery. PLANNED OUTCOMES The primary outcome is the occurrence of major adverse cardiovascular and cerebrovascular events (MACCE) within the 3-month follow-up. MACCE is defined as all-cause death, myocardial infarction, stroke, and coronary revascularization surgery. CLINICAL TRIAL REGISTRATION NCT06141525 (ClinicalTrials.gov).
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Affiliation(s)
- Yang Yan
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
| | - Changying Zhao
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jialan Niu
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Pengyun Yan
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jing Li
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- Department of Cardiovascular Surgery, People's Hospital of Qinghai Province, Xining, China
| | - Duolao Wang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, UK
- Department of Neurology, Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Guoliang Li
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
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Sabe SA, Harris DD, Broadwin M, Sellke FW. Cardioprotection in cardiovascular surgery. Basic Res Cardiol 2024:10.1007/s00395-024-01062-0. [PMID: 38856733 DOI: 10.1007/s00395-024-01062-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 05/31/2024] [Accepted: 06/01/2024] [Indexed: 06/11/2024]
Abstract
Since the invention of cardiopulmonary bypass, cardioprotective strategies have been investigated to mitigate ischemic injury to the heart during aortic cross-clamping and reperfusion injury with cross-clamp release. With advances in cardiac surgical and percutaneous techniques and post-operative management strategies including mechanical circulatory support, cardiac surgeons are able to operate on more complex patients. Therefore, there is a growing need for improved cardioprotective strategies to optimize outcomes in these patients. This review provides an overview of the basic principles of cardioprotection in the setting of cardiac surgery, including mechanisms of cardiac injury in the context of cardiopulmonary bypass, followed by a discussion of the specific approaches to optimizing cardioprotection in cardiac surgery, including refinements in cardiopulmonary bypass and cardioplegia, ischemic conditioning, use of specific anesthetic and pharmaceutical agents, and novel mechanical circulatory support technologies. Finally, translational strategies that investigate cardioprotection in the setting of cardiac surgery will be reviewed, with a focus on promising research in the areas of cell-based and gene therapy. Advances in this area will help cardiologists and cardiac surgeons mitigate myocardial ischemic injury, improve functional post-operative recovery, and optimize clinical outcomes in patients undergoing cardiac surgery.
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Affiliation(s)
- Sharif A Sabe
- Division of Cardiothoracic Surgery, Department of Surgery, Cardiovascular Research Center, Rhode Island Hospital, Rhode Island Hospital, Alpert Medical School of Brown University, 2 Dudley Street, MOC 360, Providence, RI, 02905, USA
| | - Dwight D Harris
- Division of Cardiothoracic Surgery, Department of Surgery, Cardiovascular Research Center, Rhode Island Hospital, Rhode Island Hospital, Alpert Medical School of Brown University, 2 Dudley Street, MOC 360, Providence, RI, 02905, USA
| | - Mark Broadwin
- Division of Cardiothoracic Surgery, Department of Surgery, Cardiovascular Research Center, Rhode Island Hospital, Rhode Island Hospital, Alpert Medical School of Brown University, 2 Dudley Street, MOC 360, Providence, RI, 02905, USA
| | - Frank W Sellke
- Division of Cardiothoracic Surgery, Department of Surgery, Cardiovascular Research Center, Rhode Island Hospital, Rhode Island Hospital, Alpert Medical School of Brown University, 2 Dudley Street, MOC 360, Providence, RI, 02905, USA.
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Heusch G, Andreadou I, Bell R, Bertero E, Botker HE, Davidson SM, Downey J, Eaton P, Ferdinandy P, Gersh BJ, Giacca M, Hausenloy DJ, Ibanez B, Krieg T, Maack C, Schulz R, Sellke F, Shah AM, Thiele H, Yellon DM, Di Lisa F. Health position paper and redox perspectives on reactive oxygen species as signals and targets of cardioprotection. Redox Biol 2023; 67:102894. [PMID: 37839355 PMCID: PMC10590874 DOI: 10.1016/j.redox.2023.102894] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 09/04/2023] [Accepted: 09/15/2023] [Indexed: 10/17/2023] Open
Abstract
The present review summarizes the beneficial and detrimental roles of reactive oxygen species in myocardial ischemia/reperfusion injury and cardioprotection. In the first part, the continued need for cardioprotection beyond that by rapid reperfusion of acute myocardial infarction is emphasized. Then, pathomechanisms of myocardial ischemia/reperfusion to the myocardium and the coronary circulation and the different modes of cell death in myocardial infarction are characterized. Different mechanical and pharmacological interventions to protect the ischemic/reperfused myocardium in elective percutaneous coronary interventions and coronary artery bypass grafting, in acute myocardial infarction and in cardiotoxicity from cancer therapy are detailed. The second part keeps the focus on ROS providing a comprehensive overview of molecular and cellular mechanisms involved in ischemia/reperfusion injury. Starting from mitochondria as the main sources and targets of ROS in ischemic/reperfused myocardium, a complex network of cellular and extracellular processes is discussed, including relationships with Ca2+ homeostasis, thiol group redox balance, hydrogen sulfide modulation, cross-talk with NAPDH oxidases, exosomes, cytokines and growth factors. While mechanistic insights are needed to improve our current therapeutic approaches, advancements in knowledge of ROS-mediated processes indicate that detrimental facets of oxidative stress are opposed by ROS requirement for physiological and protective reactions. This inevitable contrast is likely to underlie unsuccessful clinical trials and limits the development of novel cardioprotective interventions simply based upon ROS removal.
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Affiliation(s)
- Gerd Heusch
- Institute for Pathophysiology, West German Heart and Vascular Center, University of Duisburg-Essen, Essen, Germany.
| | - Ioanna Andreadou
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece
| | - Robert Bell
- The Hatter Cardiovascular Institute, University College London, London, United Kingdom
| | - Edoardo Bertero
- Chair of Cardiovascular Disease, Department of Internal Medicine and Specialties, University of Genova, Genova, Italy
| | - Hans-Erik Botker
- Department of Cardiology, Institute for Clinical Medicine, Aarhus University, Aarhus N, Denmark
| | - Sean M Davidson
- The Hatter Cardiovascular Institute, University College London, London, United Kingdom
| | - James Downey
- Department of Physiology, University of South Alabama, Mobile, AL, USA
| | - Philip Eaton
- William Harvey Research Institute, Queen Mary University of London, Heart Centre, Charterhouse Square, London, United Kingdom
| | - Peter Ferdinandy
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, Hungary; Pharmahungary Group, Szeged, Hungary
| | - Bernard J Gersh
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Mauro Giacca
- School of Cardiovascular and Metabolic Medicine & Sciences, King's College, London, United Kingdom
| | - Derek J Hausenloy
- The Hatter Cardiovascular Institute, University College London, London, United Kingdom; Cardiovascular & Metabolic Disorders Program, Duke-National University of Singapore Medical School, National Heart Research Institute Singapore, National Heart Centre, Yong Loo Lin School of Medicine, National University Singapore, Singapore
| | - Borja Ibanez
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), IIS-Fundación Jiménez Díaz University Hospital, and CIBERCV, Madrid, Spain
| | - Thomas Krieg
- Department of Medicine, University of Cambridge, Cambridge, United Kingdom
| | - Christoph Maack
- Department of Translational Research, Comprehensive Heart Failure Center, University Clinic Würzburg, Würzburg, Germany
| | - Rainer Schulz
- Institute for Physiology, Justus-Liebig -Universität, Giessen, Germany
| | - Frank Sellke
- Division of Cardiothoracic Surgery, Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI, USA
| | - Ajay M Shah
- King's College London British Heart Foundation Centre of Excellence, London, United Kingdom
| | - Holger Thiele
- Heart Center Leipzig at University of Leipzig and Leipzig Heart Science, Leipzig, Germany
| | - Derek M Yellon
- The Hatter Cardiovascular Institute, University College London, London, United Kingdom
| | - Fabio Di Lisa
- Dipartimento di Scienze Biomediche, Università degli studi di Padova, Padova, Italy.
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Abbasciano RG, Tomassini S, Roman MA, Rizzello A, Pathak S, Ramzi J, Lucarelli C, Layton G, Butt A, Lai F, Kumar T, Wozniak MJ, Murphy GJ. Effects of interventions targeting the systemic inflammatory response to cardiac surgery on clinical outcomes in adults. Cochrane Database Syst Rev 2023; 10:CD013584. [PMID: 37873947 PMCID: PMC10594589 DOI: 10.1002/14651858.cd013584.pub2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
BACKGROUND Organ injury is a common and severe complication of cardiac surgery that contributes to the majority of deaths. There are no effective treatment or prevention strategies. It has been suggested that innate immune system activation may have a causal role in organ injury. A wide range of organ protection interventions targeting the innate immune response have been evaluated in randomised controlled trials (RCTs) in adult cardiac surgery patients, with inconsistent results in terms of effectiveness. OBJECTIVES The aim of the review was to summarise the results of RCTs of organ protection interventions targeting the innate immune response in adult cardiac surgery. The review considered whether the interventions had a treatment effect on inflammation, important clinical outcomes, or both. SEARCH METHODS CENTRAL, MEDLINE, Embase, conference proceedings and two trial registers were searched on October 2022 together with reference checking to identify additional studies. SELECTION CRITERIA RCTs comparing organ protection interventions targeting the innate immune response versus placebo or no treatment in adult patients undergoing cardiac surgery where the treatment effect on innate immune activation and on clinical outcomes of interest were reported. DATA COLLECTION AND ANALYSIS Searches, study selection, quality assessment, and data extractions were performed independently by pairs of authors. The primary inflammation outcomes were peak IL-6 and IL-8 concentrations in blood post-surgery. The primary clinical outcome was in-hospital or 30-day mortality. Treatment effects were expressed as risk ratios (RR) and standardised mean difference (SMD) with 95% confidence intervals (CI). Meta-analyses were performed using random effects models, and heterogeneity was assessed using I2. MAIN RESULTS A total of 40,255 participants from 328 RCTs were included in the synthesis. The effects of treatments on IL-6 (SMD -0.77, 95% CI -0.97 to -0.58, I2 = 92%) and IL-8 (SMD -0.92, 95% CI -1.20 to -0.65, I2 = 91%) were unclear due to heterogeneity. Heterogeneity for inflammation outcomes persisted across multiple sensitivity and moderator analyses. The pooled treatment effect for in-hospital or 30-day mortality was RR 0.78, 95% CI 0.68 to 0.91, I2 = 0%, suggesting a significant clinical benefit. There was little or no treatment effect on mortality when analyses were restricted to studies at low risk of bias. Post hoc analyses failed to demonstrate consistent treatment effects on inflammation and clinical outcomes. Levels of certainty for pooled treatment effects on the primary outcomes were very low. AUTHORS' CONCLUSIONS A systematic review of RCTs of organ protection interventions targeting innate immune system activation did not resolve uncertainty as to the effectiveness of these treatments, or the role of innate immunity in organ injury following cardiac surgery.
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Affiliation(s)
| | | | - Marius A Roman
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Angelica Rizzello
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Suraj Pathak
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Joussi Ramzi
- Leicester Medical School, University of Leicester, Leicester, UK
| | - Carla Lucarelli
- Department of Cardiac Surgery, University of Verona, Verona, Italy
| | - Georgia Layton
- University Hospitals of Leicester NHS Trust, Leicester, UK
| | - Ayesha Butt
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Florence Lai
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Tracy Kumar
- Leicester Clinical Trials Unit, University of Leicester, Leicester, UK
| | - Marcin J Wozniak
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Gavin J Murphy
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
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Kashiwagi S, Mihara T, Yokoi A, Yokoyama C, Nakajima D, Goto T. Effect of remote ischemic preconditioning on lung function after surgery under general anesthesia: a systematic review and meta-analysis. Sci Rep 2023; 13:17720. [PMID: 37853024 PMCID: PMC10584824 DOI: 10.1038/s41598-023-44833-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 10/12/2023] [Indexed: 10/20/2023] Open
Abstract
Remote ischemic preconditioning (RIPC) protects organs from ischemia-reperfusion injury. Recent trials showed that RIPC improved gas exchange in patients undergoing lung or cardiac surgery. We performed a systematic search to identify randomized controlled trials involving RIPC in surgery under general anesthesia. The primary outcome was the PaO2/FIO2 (P/F) ratio at 24 h after surgery. Secondary outcomes were A-a DO2, the respiratory index, duration of postoperative mechanical ventilation (MV), incidence of acute respiratory distress syndrome (ARDS), and serum cytokine levels. The analyses included 71 trials comprising 7854 patients. Patients with RIPC showed higher P/F ratio than controls (mean difference [MD] 36.6, 95% confidence interval (CI) 12.8 to 60.4, I2 = 69%). The cause of heterogeneity was not identified by the subgroup analysis. Similarly, A-a DO2 (MD 15.2, 95% CI - 29.7 to - 0.6, I2 = 87%) and respiratory index (MD - 0.17, 95% CI - 0.34 to - 0.01, I2 = 94%) were lower in the RIPC group. Additionally, the RIPC group was weaned from MV earlier (MD - 0.9 h, 95% CI - 1.4 to - 0.4, I2 = 78%). Furthermore, the incidence of ARDS was lower in the RIPC group (relative risk 0.73, 95% CI 0.60 to 0.89, I2 = 0%). Serum TNFα was lower in the RIPC group (SMD - 0.6, 95%CI - 1.0 to - 0.3 I2 = 87%). No significant difference was observed in interleukin-6, 8 and 10. Our meta-analysis suggested that RIPC improved oxygenation after surgery under general anesthesia.Clinical trial number: This study protocol was registered in the University Hospital Medical Information Network (registration number: UMIN000030918), https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000035305.
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Affiliation(s)
- Shizuka Kashiwagi
- Department of Anesthesiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan.
- Department of Anesthesiology, Yokohama City University Hospital, 3-9 Fukuura, Kanazawa-Ku, Yokohama City, Kanagawa-Ken, 236-0004, Japan.
| | - Takahiro Mihara
- Department of Health Data Science, Yokohama City University Graduate School of Data Science, Yokohama, Japan
| | - Ayako Yokoi
- Department of Anesthesiology and Intensive Care Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Chisaki Yokoyama
- Department of Anesthesia, Chiba Children's Hospital, Chiba, Japan
| | - Daisuke Nakajima
- Department of Anesthesiology, Yokohama City University Medical Center, Yokohama City, Japan
| | - Takahisa Goto
- Department of Anesthesiology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
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Skeffington KL, Mohamed Ahmed E, Rapetto F, Chanoit G, Bond AR, Vardeu A, Ghorbel MT, Suleiman MS, Caputo M. The effect of cardioplegic supplementation with sildenafil on cardiac energetics in a piglet model of cardiopulmonary bypass and cardioplegic arrest with warm or cold cardioplegia. Front Cardiovasc Med 2023; 10:1194645. [PMID: 37351284 PMCID: PMC10282544 DOI: 10.3389/fcvm.2023.1194645] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 05/17/2023] [Indexed: 06/24/2023] Open
Abstract
Cardioplegic cardioprotection strategies used during paediatric open-heart surgery remain suboptimal. Sildenafil, a phosphodiesterase 5 (PDE-5) inhibitor, has been shown to be cardioprotective against ischemia/reperfusion injury in a variety of experimental models and this study therefore tested the efficacy of supplementation of cardioplegia with sildenafil in a piglet model of cardiopulmonary bypass and arrest, using both cold and warm cardioplegia protocols. Piglets were anaesthetized and placed on coronary pulmonary bypass (CPB), the aorta cross-clamped and the hearts arrested for 60 min with cardioplegia with or without sildenafil (10 nM). Twenty minutes after removal of cross clamp (reperfusion), attempts were made to wean the pigs from CPB. Termination was carried out after 60 min reperfusion. Throughout the protocol blood and left ventricular tissue samples were taken for analysis of selected metabolites (using HPLC) and troponin I. In both the cold and warm cardioplegia protocols there was evidence that sildenafil supplementation resulted in faster recovery of ATP levels, improved energy charge (a measure of metabolic flux) and altered release of hypoxanthine and inosine, two purine catabolites. There was no effect on troponin release within the studied short timeframe. In conclusion, sildenafil supplementation of cardioplegia resulted in improved cardiac energetics in a translational animal model of paediatric CPB surgery.
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Affiliation(s)
- Katie L. Skeffington
- Bristol Heart Institute, University of Bristol, Research Floor Level 7, Bristol Royal Infirmary, Bristol, United Kingdom
| | | | - Filippo Rapetto
- Department of Cardiac Surgery, Bristol Royal Infirmary, Bristol, United Kingdom
| | - Guillaume Chanoit
- Langford Vets, University of Bristol, Langford, Bristol, United Kingdom
| | - Andrew R. Bond
- Bristol Heart Institute, University of Bristol, Research Floor Level 7, Bristol Royal Infirmary, Bristol, United Kingdom
| | - Antonella Vardeu
- Bristol Heart Institute, University of Bristol, Research Floor Level 7, Bristol Royal Infirmary, Bristol, United Kingdom
| | - Mohamed T. Ghorbel
- Bristol Heart Institute, University of Bristol, Research Floor Level 7, Bristol Royal Infirmary, Bristol, United Kingdom
| | - M-Saadeh Suleiman
- Bristol Heart Institute, University of Bristol, Research Floor Level 7, Bristol Royal Infirmary, Bristol, United Kingdom
| | - Massimo Caputo
- Bristol Heart Institute, University of Bristol, Research Floor Level 7, Bristol Royal Infirmary, Bristol, United Kingdom
- Department of Cardiac Surgery, Bristol Royal Infirmary, Bristol, United Kingdom
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Kota R, Gemelli M, Dimagli A, Suleiman S, Moscarelli M, Dong T, Angelini GD, Fudulu DP. Patterns of cytokine release and association with new onset of post-cardiac surgery atrial fibrillation. Front Surg 2023; 10:1205396. [PMID: 37325422 PMCID: PMC10266410 DOI: 10.3389/fsurg.2023.1205396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 05/17/2023] [Indexed: 06/17/2023] Open
Abstract
Introduction Postoperative Atrial Fibrillation (POAF) is a common complication of cardiac surgery, associated with increased mortality, stroke risk, cardiac failure and prolonged hospital stay. Our study aimed to assess the patterns of release of systemic cytokines in patients with and without POAF. Methods A post-hoc analysis of the Remote Ischemic Preconditioning (RIPC) trial, including 121 patients (93 males and 28 females, mean age of 68 years old) who underwent isolated coronary artery bypass grafting (CABG) and aortic valve replacement (AVR). Mixed-effect models were used to analyze patterns of release of cytokines in POAF and non-AF patients. A logistic regression model was used to assess the effect of peak cytokine concentration (6 h after the aortic cross-clamp release) alongside other clinical predictors on the development of POAF. Results We found no significant difference in the patterns of release of IL-6 (p = 0.52), IL-10 (p = 0.39), IL-8 (p = 0.20) and TNF-α (p = 0.55) between POAF and non-AF patients. Also, we found no significant predictive value in peak concentrations of IL-6 (p = 0.2), IL-8 (p = >0.9), IL-10 (p = >0.9) and Tumour Necrosis Factor Alpha (TNF-α)(p = 0.6), however age and aortic cross-clamp time were significant predictors of POAF development across all models. Conclusions Our study suggests no significant association exists between cytokine release patterns and the development of POAF. Age and Aortic Cross-clamp time were found to be significant predictors of POAF.
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Affiliation(s)
- Rahul Kota
- Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Marco Gemelli
- Department of Cardiac Surgery, Bristol Heart Institute, Bristol, United Kingdom
| | - Arnaldo Dimagli
- Department of Cardiac Surgery, Bristol Heart Institute, Bristol, United Kingdom
| | - Saadeh Suleiman
- Department of Cardiac Surgery, Bristol Heart Institute, Bristol, United Kingdom
| | - Marco Moscarelli
- Department of Cardiac Surgery, Bristol Heart Institute, Bristol, United Kingdom
| | - Tim Dong
- Department of Cardiac Surgery, Bristol Heart Institute, Bristol, United Kingdom
| | - Gianni D. Angelini
- Department of Cardiac Surgery, Bristol Heart Institute, Bristol, United Kingdom
| | - Daniel P. Fudulu
- Department of Cardiac Surgery, Bristol Heart Institute, Bristol, United Kingdom
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Chen JJ, Lee TH, Kuo G, Huang YT, Chen PR, Chen SW, Yang HY, Hsu HH, Hsiao CC, Yang CH, Lee CC, Chen YC, Chang CH. Strategies for post–cardiac surgery acute kidney injury prevention: A network meta-analysis of randomized controlled trials. Front Cardiovasc Med 2022; 9:960581. [PMID: 36247436 PMCID: PMC9555275 DOI: 10.3389/fcvm.2022.960581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 09/12/2022] [Indexed: 12/05/2022] Open
Abstract
Objects Cardiac surgery is associated with acute kidney injury (AKI). However, the effects of various pharmacological and non-pharmacological strategies for AKI prevention have not been thoroughly investigated, and their effectiveness in preventing AKI-related adverse outcomes has not been systematically evaluated. Methods Studies from PubMed, Embase, and Medline and registered trials from published through December 2021 that evaluated strategies for preventing post–cardiac surgery AKI were identified. The effectiveness of these strategies was assessed through a network meta-analysis (NMA). The secondary outcomes were prevention of dialysis-requiring AKI, mortality, intensive care unit (ICU) length of stay (LOS), and hospital LOS. The interventions were ranked using the P-score method. Confidence in the results of the NMA was assessed using the Confidence in NMA (CINeMA) framework. Results A total of 161 trials (involving 46,619 participants) and 53 strategies were identified. Eight pharmacological strategies {natriuretic peptides [odds ratio (OR): 0.30, 95% confidence interval (CI): 0.19–0.47], nitroprusside [OR: 0.29, 95% CI: 0.12–0.68], fenoldopam [OR: 0.36, 95% CI: 0.17–0.76], tolvaptan [OR: 0.35, 95% CI: 0.14–0.90], N-acetyl cysteine with carvedilol [OR: 0.37, 95% CI: 0.16–0.85], dexmedetomidine [OR: 0.49, 95% CI: 0.32–0.76;], levosimendan [OR: 0.56, 95% CI: 0.37–0.84], and erythropoietin [OR: 0.62, 95% CI: 0.41–0.94]} and one non-pharmacological intervention (remote ischemic preconditioning, OR: 0.76, 95% CI: 0.63–0.92) were associated with a lower incidence of post–cardiac surgery AKI with moderate to low confidence. Among these nine strategies, five (fenoldopam, erythropoietin, natriuretic peptides, levosimendan, and remote ischemic preconditioning) were associated with a shorter ICU LOS, and two (natriuretic peptides [OR: 0.30, 95% CI: 0.15–0.60] and levosimendan [OR: 0.68, 95% CI: 0.49–0.95]) were associated with a lower incidence of dialysis-requiring AKI. Natriuretic peptides were also associated with a lower risk of mortality (OR: 0.50, 95% CI: 0.29–0.86). The results of a sensitivity analysis support the robustness and effectiveness of natriuretic peptides and dexmedetomidine. Conclusion Nine potentially effective strategies were identified. Natriuretic peptide therapy was the most effective pharmacological strategy, and remote ischemic preconditioning was the only effective non-pharmacological strategy. Preventive strategies might also help prevent AKI-related adverse outcomes. Additional studies are required to explore the optimal dosages and protocols for potentially effective AKI prevention strategies.
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Affiliation(s)
- Jia-Jin Chen
- Department of Nephrology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | | | - George Kuo
- Department of Nephrology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Department of Nephrology, Kidney Research Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Yen-Ta Huang
- Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Pei-Rung Chen
- Department of Anesthesiology, Mackay Memorial Hospital, Taipei, Taiwan
| | - Shao-Wei Chen
- Department of Cardiothoracic and Vascular Surgery, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan
| | - Huang-Yu Yang
- Department of Nephrology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Department of Nephrology, Kidney Research Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Hsiang-Hao Hsu
- Department of Nephrology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Department of Nephrology, Kidney Research Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ching-Chung Hsiao
- Department of Nephrology, New Taipei Municipal TuCheng Hospital, New Taipei City, Taiwan
| | - Chia-Hung Yang
- Department of Cardiology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Cheng-Chia Lee
- Department of Nephrology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Department of Nephrology, Kidney Research Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Yung-Chang Chen
- Department of Nephrology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Department of Nephrology, Kidney Research Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chih-Hsiang Chang
- Department of Nephrology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Department of Nephrology, Kidney Research Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
- *Correspondence: Chih-Hsiang Chang,
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Skeffington KL, Moscarelli M, Abdul-Ghani S, Fiorentino F, Emanueli C, Reeves BC, Punjabi PP, Angelini GD, Suleiman MS. Pathology-related changes in cardiac energy metabolites, inflammatory response and reperfusion injury following cardioplegic arrest in patients undergoing open-heart surgery. Front Cardiovasc Med 2022; 9:911557. [PMID: 35935655 PMCID: PMC9354251 DOI: 10.3389/fcvm.2022.911557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 06/29/2022] [Indexed: 11/13/2022] Open
Abstract
Introduction Changes in cardiac metabolites in adult patients undergoing open-heart surgery using ischemic cardioplegic arrest have largely been reported for non-ventricular tissue or diseased left ventricular tissue, with few studies attempting to assess such changes in both ventricular chambers. It is also unknown whether such changes are altered in different pathologies or linked to the degree of reperfusion injury and inflammatory response. The aim of the present work was to address these issues by monitoring myocardial metabolites in both ventricles and to establish whether these changes are linked to reperfusion injury and inflammatory/stress response in patients undergoing surgery using cold blood cardioplegia for either coronary artery bypass graft (CABG, n = 25) or aortic valve replacement (AVR, n = 16). Methods Ventricular biopsies from both left (LV) and right (RV) ventricles were collected before ischemic cardioplegic arrest and 20 min after reperfusion. The biopsies were processed for measuring selected metabolites (adenine nucleotides, purines, and amino acids) using HPLC. Blood markers of cardiac injury (Troponin I, cTnI), inflammation (IL- 6, IL-8, Il-10, and TNFα, measured using Multiplex) and oxidative stress (Myeloperoxidase, MPO) were measured pre- and up to 72 hours post-operatively. Results The CABG group had a significantly shorter ischemic cardioplegic arrest time (38.6 ± 2.3 min) compared to AVR group (63.0 ± 4.9 min, p = 2 x 10-6). Cardiac injury (cTnI release) was similar for both CABG and AVR groups. The inflammatory markers IL-6 and Il-8 were significantly higher in CABG patients compared to AVR patients. Metabolic markers of cardiac ischemic stress were relatively and significantly more altered in the LV of CABG patients. Comparing diabetic and non-diabetic CABG patients shows that only the RV of diabetic patients sustained major ischemic stress during reperfusion and that diabetic patients had a significantly higher inflammatory response. Discussion CABG patients sustain relatively more ischemic stress, systemic inflammatory response and similar injury and oxidative stress compared to AVR patients despite having significantly shorter cross-clamp time. The higher inflammatory response in CABG patients appears to be at least partly driven by a higher incidence of diabetes amongst CABG patients. In addition to pathology, the use of cold blood cardioplegic arrest may underlie these differences.
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Affiliation(s)
- Katie L. Skeffington
- Bristol Heart Institute and Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Marco Moscarelli
- National Heart and Lung Institute, Imperial College, London, United Kingdom
- GVM Care & Research, Anthea Hospital, Bari, Italy
| | - Safa Abdul-Ghani
- Department of Physiology, Faculty of Medicine, Al-Quds University, Jerusalem, Palestine
| | - Francesca Fiorentino
- Nightingale-Saunders Clinical Trials and Epidemiology Unit (King's Clinical Trials Unit), King's College London, London, United Kingdom
| | - Costanza Emanueli
- National Heart and Lung Institute, Imperial College, London, United Kingdom
| | - Barnaby C. Reeves
- Bristol Heart Institute and Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Prakash P. Punjabi
- National Heart and Lung Institute, Imperial College, London, United Kingdom
| | - Gianni D. Angelini
- Bristol Heart Institute and Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - M-Saadeh Suleiman
- Bristol Heart Institute and Bristol Medical School, University of Bristol, Bristol, United Kingdom
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10
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Abdul-Ghani S, Skeffington KL, Kim M, Moscarelli M, Lewis PA, Heesom K, Fiorentino F, Emanueli C, Reeves BC, Punjabi PP, Angelini GD, Suleiman MS. Effect of cardioplegic arrest and reperfusion on left and right ventricular proteome/phosphoproteome in patients undergoing surgery for coronary or aortic valve disease. Int J Mol Med 2022; 49:77. [PMID: 35425992 PMCID: PMC9083849 DOI: 10.3892/ijmm.2022.5133] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 02/15/2022] [Indexed: 11/18/2022] Open
Abstract
Our earlier work has shown inter‑disease and intra‑disease differences in the cardiac proteome between right (RV) and left (LV) ventricles of patients with aortic valve stenosis (AVS) or coronary artery disease (CAD). Whether disease remodeling also affects acute changes occuring in the proteome during surgical intervention is unknown. This study investigated the effects of cardioplegic arrest on cardiac proteins/phosphoproteins in LV and RV of CAD (n=6) and AVS (n=6) patients undergoing cardiac surgery. LV and RV biopsies were collected during surgery before ischemic cold blood cardioplegic arrest (pre) and 20 min after reperfusion (post). Tissues were snap frozen, proteins extracted, and the extracts were used for proteomic and phosphoproteomic analysis using Tandem Mass Tag (TMT) analysis. The results were analysed using QuickGO and Ingenuity Pathway Analysis softwares. For each comparision, our proteomic analysis identified more than 3,000 proteins which could be detected in both the pre and Post samples. Cardioplegic arrest and reperfusion were associated with significant differential expression of 24 (LV) and 120 (RV) proteins in the CAD patients, which were linked to mitochondrial function, inflammation and cardiac contraction. By contrast, AVS patients showed differential expression of only 3 LV proteins and 2 RV proteins, despite a significantly longer duration of ischaemic cardioplegic arrest. The relative expression of 41 phosphoproteins was significantly altered in CAD patients, with 18 phosphoproteins showing altered expression in AVS patients. Inflammatory pathways were implicated in the changes in phosphoprotein expression in both groups. Inter‑disease comparison for the same ventricular chamber at both timepoints revealed differences relating to inflammation and adrenergic and calcium signalling. In conclusion, the present study found that ischemic arrest and reperfusion trigger different changes in the proteomes and phosphoproteomes of LV and RV of CAD and AVS patients undergoing surgery, with markedly more changes in CAD patients despite a significantly shorter ischaemic period.
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Affiliation(s)
- Safa Abdul-Ghani
- Bristol Heart Institute and Bristol Medical School, University of Bristol, Bristol BS2 8HW, UK
- Department of Physiology, Faculty of Medicine, Al-Quds University, Abu-Dis, Palestine
| | - Katie L. Skeffington
- Bristol Heart Institute and Bristol Medical School, University of Bristol, Bristol BS2 8HW, UK
| | - Minjoo Kim
- Bristol Heart Institute and Bristol Medical School, University of Bristol, Bristol BS2 8HW, UK
| | - Marco Moscarelli
- National Heart and Lung Institute, Imperial College, London SW3 6LY, UK
- GVM Care and Research, Anthea Hospital, I-70124 Bari, Italy
| | - Philip A. Lewis
- University of Bristol Proteomics/Bioinformatics Facility, University of Bristol, Bristol BS8 1TD, UK
| | - Kate Heesom
- University of Bristol Proteomics/Bioinformatics Facility, University of Bristol, Bristol BS8 1TD, UK
| | | | - Costanza Emanueli
- National Heart and Lung Institute, Imperial College, London SW3 6LY, UK
| | - Barnaby C. Reeves
- Bristol Heart Institute and Bristol Medical School, University of Bristol, Bristol BS2 8HW, UK
| | | | - Gianni D. Angelini
- Bristol Heart Institute and Bristol Medical School, University of Bristol, Bristol BS2 8HW, UK
| | - M-Saadeh Suleiman
- Bristol Heart Institute and Bristol Medical School, University of Bristol, Bristol BS2 8HW, UK
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11
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Long YQ, Feng XM, Shan XS, Chen QC, Xia Z, Ji FH, Liu H, Peng K. Remote Ischemic Preconditioning Reduces Acute Kidney Injury After Cardiac Surgery: A Systematic Review and Meta-analysis of Randomized Controlled Trials. Anesth Analg 2021; 134:592-605. [PMID: 34748518 DOI: 10.1213/ane.0000000000005804] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Results from previous studies evaluating the effects of remote ischemic preconditioning (RIPC) on morbidity and mortality after cardiac surgery are inconsistent. This meta-analysis of randomized controlled trials (RCTs) aims to determine whether RIPC improves cardiac and renal outcomes in adults undergoing cardiac surgery. METHODS PubMed, EMBASE, and Cochrane Library were comprehensively searched to identify RCTs comparing RIPC with control in cardiac surgery. The coprimary outcomes were the incidence of postoperative myocardial infarction (MI) and the incidence of postoperative acute kidney injury (AKI). Meta-analyses were performed using a random-effect model. Subgroup analyses were conducted according to volatile only anesthesia versus propofol anesthesia with or without volatiles, high-risk patients versus non-high-risk patients, and Acute Kidney Injury Network (AKIN) or Kidney Disease Improving Global Outcomes (KDIGO) criteria versus other criteria for AKI diagnosis. RESULTS A total of 79 RCTs with 10,814 patients were included. While the incidence of postoperative MI did not differ between the RIPC and control groups (8.2% vs 9.7%; risk ratio [RR] = 0.87, 95% confidence interval [CI], 0.76-1.01, P = .07, I2 = 0%), RIPC significantly reduced the incidence of postoperative AKI (22% vs 24.4%; RR = 0.86, 95% CI, 0.77-0.97, P = .01, I2 = 34%). The subgroup analyses showed that RIPC was associated with a reduced incidence of MI in non-high-risk patients, and that RIPC was associated with a reduced incidence of AKI in volatile only anesthesia, in non-high-risk patients, and in the studies using AKIN or KDIGO criteria for AKI diagnosis. CONCLUSIONS This meta-analysis demonstrates that RIPC reduces the incidence of AKI after cardiac surgery. This renoprotective effect of RIPC is mainly evident during volatile only anesthesia, in non-high-risk patients, and when AKIN or KDIGO criteria used for AKI diagnosis.
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Affiliation(s)
- Yu-Qin Long
- From the Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiao-Mei Feng
- Department of Anesthesiology, University of Utah Health, Salt Lake City, Utah.,Transitional Residency Program, Intermountain Medical Center, Murray, Utah
| | - Xi-Sheng Shan
- From the Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, China
| | - Qing-Cai Chen
- From the Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhengyuan Xia
- Department of Anesthesiology and Pain Medicine, University of California Davis Health, Sacramento, California
| | - Fu-Hai Ji
- From the Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, China
| | - Hong Liu
- Department of Anesthesiology and Pain Medicine, University of California Davis Health, Sacramento, California
| | - Ke Peng
- From the Department of Anesthesiology, First Affiliated Hospital of Soochow University, Suzhou, China
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12
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Krag AE, Hvas CL, Kiil BJ, Hvas AM. Effect of Remote Ischemic Conditioning on Bleeding Complications in Surgery: A Systematic Review and Meta-Analysis. Semin Thromb Hemost 2021; 48:229-239. [PMID: 34428800 DOI: 10.1055/s-0041-1732468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Remote ischemic conditioning (RIC) is administered with an inflatable tourniquet by inducing brief, alternating cycles of limb ischemia and reperfusion. RIC possibly impacts the hemostatic system, and the intervention has been tested as protective therapy against ischemia-reperfusion injury and thrombotic complications in cardiac surgery and other surgical procedures. In the present systematic review, we aimed to investigate the effect of RIC on intraoperative and postoperative bleeding complications in meta-analyses of randomized controlled trials including adult patients undergoing surgery. A systematic search was performed on November 7, 2020 in PubMed, Embase, and the Cochrane Central Register of Controlled Trials. Randomized controlled trials comparing RIC versus no RIC in adult patients undergoing surgery that reported bleeding outcomes in English publications were included. Effect estimates with 95% confidence intervals were calculated using the random-effects model for intraoperative and postoperative bleeding outcomes. Thirty-two randomized controlled trials with 3,804 patients were eligible for inclusion. RIC did not affect intraoperative bleeding volume (nine trials; 392 RIC patients, 399 controls) with the effect estimate -0.95 [-9.90; 7.99] mL (p = 0.83). RIC significantly reduced postoperative drainage volume (seven trials; 367 RIC patients, 365 controls) with mean difference -83.6 [-134.9; -32.4] mL (p = 0.001). The risk of re-operation for bleeding was reduced in the RIC group (16 trials; 838 RIC patients, 839 controls), albeit not significantly, with the relative risk 0.65 [0.39; 1.09] (p = 0.10). In conclusion, RIC reduced postoperative bleeding measured by postoperative drainage volume in this meta-analysis of adult patients undergoing surgery.
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Affiliation(s)
- Andreas E Krag
- Thrombosis and Hemostasis Research Unit, Department of Clinical Biochemistry, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Department of Plastic and Breast Surgery, Aarhus University Hospital, Denmark
| | - Christine L Hvas
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Denmark
| | - Birgitte J Kiil
- Department of Plastic and Breast Surgery, Aarhus University Hospital, Denmark
| | - Anne-Mette Hvas
- Thrombosis and Hemostasis Research Unit, Department of Clinical Biochemistry, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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13
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Fudulu DP, Dimagli A, Dixon L, Sandhu M, Cocomello L, Angelini GD, Benedetto U. Daytime and outcomes after cardiac surgery: Systematic review and metaanalysis, insights from a large UK database review and post-hoc trial analysis. THE LANCET REGIONAL HEALTH. EUROPE 2021; 7:100140. [PMID: 34557843 PMCID: PMC8454590 DOI: 10.1016/j.lanepe.2021.100140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
BACKGROUND Several studies have suggested a variation of myocardial tolerance to ischaemia depending on the daytime of surgery. To test this hypothesis, we conducted a three-level analysis: metaanalysis, national patient-level dataset analysis and a post-hoc trial analysis. METHODS We first performed a systematic review and metaanalysis of available studies comparing clinical outcomes following cardiac surgery performed in the morning (am) versus afternoon (pm). Then, we interrogated the UK national adult cardiac surgery audit database (NACSA) and analysed the am or pm outcomes of patients undergoing non-emergency aortic valve replacement (AVR) or coronary artery bypass grafting (CABG). In a post-hoc analysis, we further investigated the effect of time of surgery on serum troponin release and ventricular myocardial biopsy adenine nucleotide metabolism. RESULTS A total of 18377 patients undergoing uncomplicated isolated CABG or isolated AVR on the same day am or pm were included in the metaanalysis. Meta-analytic estimates showed no difference in the risk of MI between patients operated in pm vs am (OR 1.02, 95% CI:0.79-1.32) and in the risk of mortality (OR 1.1, 95% CI:0.85-1.42). Outcomes of 91248 patients from the NACSA dataset were analysed according to the daytime of the procedure. Patient-level analysis showed no significant effect of daytime for both isolated AVR (p=0.094) and isolated CABG (p=0.425). Finally, we performed a post-hoc trial database analysis in 124 patients undergoing isolated AVR or CABG of serial cardiac troponin and nucleotides metabolism on ventricular myocardial biopsies. We found no significant diurnal changes in the perioperative cardiac troponin release or nucleotide metabolism in the AVR (p=0.30) or the CABG cohort (p=0.97). CONCLUSION The present three-level analysis found no evidence that daytime influences clinical outcomes and myocardial injury in patients undergoing cardiac surgery.
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Affiliation(s)
- Daniel Paul Fudulu
- Bristol Heart Institute, University of Bristol, Upper Maudlin St, Bristol BS2 8HW UK
| | - Arnaldo Dimagli
- Bristol Heart Institute, University of Bristol, Upper Maudlin St, Bristol BS2 8HW UK
| | - Lauren Dixon
- Bristol Heart Institute, University of Bristol, Upper Maudlin St, Bristol BS2 8HW UK
| | - Manraj Sandhu
- Bristol Heart Institute, University of Bristol, Upper Maudlin St, Bristol BS2 8HW UK
| | - Lucia Cocomello
- Bristol Heart Institute, University of Bristol, Upper Maudlin St, Bristol BS2 8HW UK
| | - Gianni D Angelini
- Bristol Heart Institute, University of Bristol, Upper Maudlin St, Bristol BS2 8HW UK
| | - Umberto Benedetto
- Bristol Heart Institute, University of Bristol, Upper Maudlin St, Bristol BS2 8HW UK
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14
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Wang H, Shi X, Cheng L, Han J, Mu J. Hydrogen sulfide restores cardioprotective effects of remote ischemic preconditioning in aged rats via HIF-1α/Nrf2 signaling pathway. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2021; 25:239-249. [PMID: 33859064 PMCID: PMC8050610 DOI: 10.4196/kjpp.2021.25.3.239] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 02/03/2021] [Accepted: 02/05/2021] [Indexed: 11/15/2022]
Abstract
The present study explored the therapeutic potential of hydrogen sulfide (H2S) in restoring aging-induced loss of cardioprotective effect of remote ischemic preconditioning (RIPC) along with the involvement of signaling pathways. The left hind limb was subjected to four short cycles of ischemia and reperfusion (IR) in young and aged male rats to induce RIPC. The hearts were subjected to IR injury on the Langendorff apparatus after 24 h of RIPC. The measurement of lactate dehydrogenase, creatine kinase and cardiac troponin served to assess the myocardial injury. The levels of H2S, cystathionine β-synthase (CBS), cystathionine γ-lyase (CSE), nuclear factor erythroid 2-related factor 2 (Nrf2), and hypoxia-inducible factor (HIF-1α) were also measured. There was a decrease in cardioprotection in RIPC-subjected old rats in comparison to young rats along with a reduction in the myocardial levels of H2S, CBS, CSE, HIF-1α, and nuclear: cytoplasmic Nrf2 ratio. Supplementation with sodium hydrogen sulfide (NaHS, an H2S donor) and l-cysteine (H2S precursor) restored the cardioprotective actions of RIPC in old hearts. It increased the levels of H2S, HIF-1α, and Nrf2 ratio without affecting CBS and CSE. YC-1 (HIF-1α antagonist) abolished the effects of NaHS and l-cysteine in RIPC-subjected old rats by decreasing the Nrf2 ratio and HIF-1α levels, without altering H2S.The late phase of cardioprotection of RIPC involves an increase in the activity of H2S biosynthetic enzymes, which increases the levels of H2S to upregulate HIF-1α and Nrf2. H2S has the potential to restore aging-induced loss of cardioprotective effects of RIPC by upregulating HIF-1α/Nrf2 signaling.
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Affiliation(s)
- Haixia Wang
- Department of Cardiovascular, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China.,Department of Cardiovascular, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, China
| | - Xin Shi
- Department of Cardiovascular, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, China
| | - Longlong Cheng
- Department of Judicial Expertise, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, China
| | - Jie Han
- Department of Cardiovascular, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, China
| | - Jianjun Mu
- Department of Cardiovascular, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
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15
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Moscarelli M, Angelini GD, Emanueli C, Suleiman S, Pepe M, Contegiacomo G, Punjabi PP. Remote ischemic preconditioning in isolated valve intervention. A pooled meta-analysis. Int J Cardiol 2021; 324:146-151. [PMID: 33069785 DOI: 10.1016/j.ijcard.2020.10.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 09/15/2020] [Accepted: 10/07/2020] [Indexed: 11/20/2022]
Abstract
OBJECTIVE Recent studies have shown no benefits from remote ischemic preconditioning (RIPC) in patients undergoing coronary artery bypass surgery. One possible explanation is that given previous exposure to angina and ischemia/reperfusion injury these patients, may be already 'naturally preconditioned'. The role of RIPC in a context of isolated valve intervention, both surgical and particularly transcatheter is less clear and remains under investigated, with few high-quality studies. METHODS A systematic literature review identified 8 candidate studies that met the meta-analysis criteria. We analyzed outcomes of 610 subjects (312 RIPC and 298 SHAM) with random effects modeling. Each study was assessed for heterogeneity. The primary outcome was the extent of periprocedural myocardial injury, as reflected by the area under the curve for serum troponin concentration. Secondary endpoints included relevant intra- and post-operative outcomes; sensitivity and high-quality subgroup analysis was also carried out. RESULTS Six and two studies reported the effect of RIPC in surgical and transcatheter valve intervention. There was a significant difference between-group in terms of periprocedural Troponin release (standardized mean difference (SMD: 0.74 [95% CI: 0.52; 0.95], p = 0.02) with no heterogeneity (χ2 2.40, I2 0%, p = 0.88). RIPC was not associated with any improvement in post-operative outcomes. No serious adverse RIPC related events were reported. CONCLUSIONS RIPC seems to elicit overall periprocedural cardioprotection in patients undergoing valvular intervention, yet with no benefit on early clinical outcomes.
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Affiliation(s)
| | - Gianni D Angelini
- Clinical Sciences, Bristol Heart Institute, Bristol Royal Infirmary, Bristol, UK
| | | | - Saadeh Suleiman
- Clinical Sciences, Bristol Heart Institute, Bristol Royal Infirmary, Bristol, UK
| | - Martino Pepe
- Cardiology Unit, Department of Emergency and Organ Transplantation, University of Bari Aldo Moro, Bari, Italy
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16
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Gorjipour F, Saeedzadeh T, Toloueitabar Y, Kachoueian N, Bahlouli Ghashghaei S, Mortazian M, Dehghani Firoozabadi M, Jadbabaie A, Tirgarfakheri K, Motamednejad A, Totonchi Z. Remote ischemic preconditioning effects on inflammatory markers and myocardial protection in coronary artery bypass graft surgery. Perfusion 2020; 37:56-61. [PMID: 33280529 DOI: 10.1177/0267659120979293] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Induction of short episodes of ischemia to remote organs, namely upper or lower limbs, literally known as remote ischemic preconditioning (RIPC) has been suggested as a preconditioning approach to ameliorate ischemia/reperfusion injury (IRI). RIPC has been demonstrated to effectively protect various vital organs, including heart, against the next ischemic events in preclinical studies. However, human studies are required to approve its clinical applicability. Present study was performed to evaluate the effect of RIPC on the myocardial protection and inflammatory response markers in patients undergoing coronary artery bypass graft surgery. METHODS In this randomized clinical trial, 43 coronary artery bypass graft (CABG) patients from Imam Hossein educational hospital were allocated in two groups, RIPC (21 patients) and control (22 patients). Serum level of interleukin (IL)-4, IL-8, and IL-10, interferon (IFN)-γ and Cardiac Troponin-I (cTnI) were measured in (1) after induction of anesthesia (before incision of skin), (2) after separation from CPB and (3) 24 hours after ICU arrival.Results:increase pack cell transfusions were observed in control group in ICU. Serum level of IL-10 at 24 hours after ICU admission was significantly higher in the RIPC group. Significantly lower amounts of IL-8 at post-CPB time were observed in the RIPC group in comparison with control.Conclusion:RIPC regulates the circulatory inflammatory cytokines, IL-8 decrement and IL-10 elevation, which could be translated into protection against IRI. However, further studies with larger sample sizes with careful consideration of parameters such as use of propofol as an anesthetic in the patients should be conducted to consolidate the findings from the current study.
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Affiliation(s)
- Farhad Gorjipour
- Department of Cardiac Surgery, Imam Hossein Educational Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Iranian Scientific Society of Extracorporeal Technology, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Tahereh Saeedzadeh
- Department of Biological Sciences, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Yaser Toloueitabar
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Naser Kachoueian
- Department of Cardiac Surgery, Imam Hossein Educational Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | | | | | - Amirnaser Jadbabaie
- Department of Cardiac Surgery, Imam Hossein Educational Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Koroush Tirgarfakheri
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Amir Motamednejad
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Ziae Totonchi
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
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