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remote ischaemic preconditioning

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https://www.readbyqxmd.com/read/29666943/the-gtn-patch-a-simple-and-effective-new-approach-to-cardioprotection
#1
Derek M Yellon, Zhenhe He, Rayomand Khambata, Amrita Ahluwalia, Sean M Davidson
There remains a significant un-met need to reduce the extent of myocardial injury caused by ischaemia and reperfusion injury in patients experiencing an ST-elevation MI. Although nitric oxide is central to many cardioprotective strategies currently undergoing investigation, cardioprotection from the delivery of nitrates/nitrites has been inconsistently observed. The route of administration appears to be a critical variable. The glyceryl trinitrate (GTN) patch is commonly used as a simple and practical means of delivering nitric oxide to patients with ischaemic heart disease, but whether acute cardioprotection can be achieved by application of a GTN patch has not been investigated before...
April 17, 2018: Basic Research in Cardiology
https://www.readbyqxmd.com/read/29656359/myocardial-infarct-size-reduction-provided-by-local-and-remote-ischaemic-preconditioning-references-values-from-the-hatter-cardiovascular-institute
#2
Xavier Rossello, Zhenhe He, Derek M Yellon
PURPOSE: To accurately estimate the effect size of both local or classic ischaemic preconditioning (IPC) and remote ischaemic preconditioning (RIPC) using a pooling data set of 91 animals. METHODS: We combined all the available mouse data collected from our Institute over the last 3 years regarding (i) local IPC (4 cycles of 5 min of global ischaemia/reperfusion injury, IRI, followed by 35-min ischaemia and 2-h reperfusion) in the Langendorff-isolated perfused mouse heart model and (ii) RIPC (3 cycles of 5 min of limb occlusion followed by 40-min ischaemia and 2-h reperfusion) in the in vivo mouse model...
April 2018: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/29600031/remote-ischaemic-preconditioning-of-the-lung-from-bench-to-bedside-are-we-there-yet
#3
EDITORIAL
Nina C Weber, Coert J Zuurbier, Markus W Hollmann
No abstract text is available yet for this article.
January 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29476052/plasma-exosomes-induced-by-remote-ischaemic-preconditioning-attenuate-myocardial-ischaemia-reperfusion-injury-by-transferring-mir-24
#4
Wen Minghua, Gong Zhijian, Huang Chahua, Liang Qiang, Xu Minxuan, Wang Luqiao, Zhang Weifang, Lu Peng, Zhan Biming, Yu Lingling, Wang Zhenzhen, Xu Jianqing, Bao Huihui, Wang Xiaozhong, Cheng Xiaoshu
Remote ischaemic preconditioning (RIPC) is well known to protect the myocardium against ischaemia/reperfusion injury (IRI). Exosomes are small extracellular vesicles that have become the key mediators of intercellular communication. Various studies have confirmed that circulating exosomes mediate RIPC. However, the underlying mechanisms for RIPC-induced exosome-mediated cardioprotection remain elusive. In our study, we found that the expression level of miR-24 was higher in exosomes derived from the plasma of rats subjected to RIPC than in exosomes derived from the plasma of control rats in vivo...
February 23, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29442529/signaling-mediators-modulated-by-cardioprotective-interventions-in-healthy-and-diabetic-myocardium-with-ischaemia-reperfusion-injury
#5
Feyzizadeh Saeid, Javadi Aniseh, Badalzadeh Reza, Vafaee S Manouchehr
Ischaemic heart diseases are one of the major causes of death in the world. In most patients, ischaemic heart disease is coincident with other risk factors such as diabetes. Patients with diabetes are more prone to cardiac ischaemic dysfunctions including ischaemia-reperfusion injury. Ischaemic preconditioning, postconditioning and remote conditionings are reliable interventions to protect the myocardium against ischaemia-reperfusion injuries through activating various signaling pathways and intracellular mediators...
January 1, 2018: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/29436250/effects-of-preconditioned-plasma-collected-during-the-late-phase-of-remote-ischaemic-preconditioning-on-ventricular-arrhythmias-caused-by-myocardial-ischaemia-reperfusion-in-rats
#6
Yang Zhao, Zhi-Nan Zheng, Xiang Liu, Gang Dai, San-Qing Jin
Objective The administration of preconditioned plasma collected during the late phase of preconditioning has been shown to reduce myocardial infarct size. This study aimed to investigate if preconditioned plasma could attenuate ventricular arrhythmias in a rat model in vivo. Methods Eighty rats were randomized to eight groups (10 rats/group). Two groups provided preconditioned or non-preconditioned plasma 48 h after transient limb ischaemia or the control protocol. Six groups of ischaemia-reperfusion (IR) rats received normal saline, non-preconditioned plasma, or preconditioned plasma, respectively, 1 h (groups A1, A2, A3) or 24 h (groups B1, B2, B3) before undergoing myocardial IR...
April 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29249435/the-effects-of-remote-ischaemic-preconditioning-on-coronary-artery-function-in-patients-with-stable-coronary-artery-disease
#7
D Corcoran, R Young, P Cialdella, P McCartney, A Bajrangee, B Hennigan, D Collison, D Carrick, A Shaukat, R Good, S Watkins, M McEntegart, J Watt, P Welsh, N Sattar, A McConnachie, K G Oldroyd, C Berry
BACKGROUND: Remote ischaemic preconditioning (RIPC) is a cardioprotective intervention invoking intermittent periods of ischaemia in a tissue or organ remote from the heart. The mechanisms of this effect are incompletely understood. We hypothesised that RIPC might enhance coronary vasodilatation by an endothelium-dependent mechanism. METHODS: We performed a prospective, randomised, sham-controlled, blinded clinical trial. Patients with stable coronary artery disease (CAD) undergoing elective invasive management were prospectively enrolled, and randomised to RIPC or sham (1:1) prior to angiography...
February 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29201044/ischaemic-preconditioning-suppresses-necrosis-of-adipocutaneous-flaps-in-a-diabetic-rat-model-regardless-of-the-manner-of-preischaemia-induction
#8
Christian Ottomann, Markus Küntscher, Bernd Hartmann, Vlado Antonic
Ischaemic insult in the skin flaps is a major problem in reconstructive surgery particularly in patients with diabetes mellitus. Here, we sought to investigate the effectiveness of ischaemic preconditioning (IP) on diabetic skin flaps in rat animal model. Hundred Wistar rats (90 streptozotocin treated animals and 10 nondiabetic controls) were used. Diabetes mellitus was confirmed by measuring glucose level in blood, HbA1c, and ketonuria. We used blood vessel clamping, hind limb tourniquet, and NO donors (Spermine/NO complex) to induce short-term ischaemia of tissues that will be excised for skin flaps...
2017: Dermatology Research and Practice
https://www.readbyqxmd.com/read/29156026/the-role-of-propofol-for-remote-ischaemic-preconditioning-in-the-setting-of-cardiac-surgery-a-cochrane-systematic-review
#9
C Benstoem, A Goetzenich, C Stoppe
No abstract text is available yet for this article.
December 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28992285/remote-ischaemic-preconditioning-for-renal-and-cardiac-protection-in-adult-patients-undergoing-cardiac-surgery-with-cardiopulmonary-bypass-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#10
Giacomo Deferrari, Alice Bonanni, Maurizio Bruschi, Cristiano Alicino, Alessio Signori
Background: The main aim of this systematic review was to assess whether remote ischaemic preconditioning (RIPC) protects kidneys and the heart in cardiac surgery with cardiopulmonary bypass (CPB) and to investigate a possible role of anaesthetic agents. Methods: Randomized clinical trials (RCTs) on the effects of RIPC through limb ischaemia in adult patients undergoing cardiac surgery with CPB were searched (1965-October 2016) in PubMed, Cochrane Library and article reference lists...
May 1, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28708111/an-evaluation-of-ischaemic-preconditioning-as-a-method-of-reducing-ischaemia-reperfusion-injury-in-liver-surgery-and-transplantation
#11
REVIEW
Francis P Robertson, Barry J Fuller, Brian R Davidson
Liver Ischaemia Reperfusion (IR) injury is a major cause of post-operative liver dysfunction, morbidity and mortality following liver resection surgery and transplantation. There are no proven therapies for IR injury in clinical practice and new approaches are required. Ischaemic Preconditioning (IPC) can be applied in both a direct and remote fashion and has been shown to ameliorate IR injury in small animal models. Its translation into clinical practice has been difficult, primarily by a lack of knowledge regarding the dominant protective mechanisms that it employs...
July 14, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28695353/cardioprotection-by-the-transfer-of-coronary-effluent-from-ischaemic-preconditioned-rat-hearts-identification-of-cardioprotective-humoral-factors
#12
Leonardo Maciel, Dahienne F de Oliveira, Giovani C Verissimo da Costa, Paulo M Bisch, Jose Hamilton Matheus Nascimento
Ischaemic preconditioning (IPC) provides myocardial resistance to ischaemia/reperfusion (I/R) injuries. The protection afforded by IPC is not limited to the target tissue but extends to remote tissues, suggesting a mechanism mediated by humoral factors. The aim of the present study was to identify the humoral factors that are responsible for the cardioprotection induced by the coronary effluent transferred from IPC to naïve hearts. Isolated rat hearts were submitted to IPC (three cycles of 5 min I/R) before 30-min global ischaemia and 60-min reperfusion...
September 2017: Basic Research in Cardiology
https://www.readbyqxmd.com/read/28657799/is-there-an-optimal-ischemic-preconditioning-dose-to-improve-cycling-performance
#13
RANDOMIZED CONTROLLED TRIAL
Scott Cocking, Mathew G Wilson, David Nichols, N Timothy Cable, Daniel J Green, Dick H J Thijssen, Helen Jones
INTRODUCTION: Ischemic preconditioning (IPC) may enhance endurance performance. No previous study has directly compared distinct IPC protocols for optimal benefit. PURPOSE: To determine whether a specific IPC protocol (ie, number of cycles, amount of muscle tissue, and local vs remote occlusion) elicits greater performance outcomes. METHODS: Twelve cyclists performed 5 different IPC protocols 30 min before a blinded 375-kJ cycling time trial (TT) in a laboratory...
March 1, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28651898/remote-ischaemic-preconditioning-in-orthotopic-liver-transplantation-ripcolt-trial-a-pilot-randomized-controlled-feasibility-study
#14
Francis P Robertson, Rup Goswami, Graham P Wright, Charles Imber, Dinesh Sharma, Massimo Malago, Barry J Fuller, Brian R Davidson
BACKGROUND: Ischaemia Reperfusion (IR) injury is a major cause of morbidity, mortality and graft loss following Orthotopic Liver Transplantation (OLT). Utilising marginal grafts, which are more susceptible to IR injury, makes this a key research goal. Remote Ischaemic Preconditioning (RIPC) has been shown to ameliorate hepatic IR injury in experimental models. Whether RIPC can reduce IR injury in human liver transplant recipients is unknown. METHODS: Forty patients undergoing liver transplantation were randomized to RIPC or a sham...
June 23, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28577069/prevention-of-acute-kidney-injury-and-protection-of-renal-function-in-the-intensive-care-unit-update-2017-expert-opinion-of-the-working-group-on-prevention-aki-section-european-society-of-intensive-care-medicine
#15
REVIEW
M Joannidis, W Druml, L G Forni, A B J Groeneveld, P M Honore, E Hoste, M Ostermann, H M Oudemans-van Straaten, M Schetz
BACKGROUND: Acute kidney injury (AKI) in the intensive care unit is associated with significant mortality and morbidity. OBJECTIVES: To determine and update previous recommendations for the prevention of AKI, specifically the role of fluids, diuretics, inotropes, vasopressors/vasodilators, hormonal and nutritional interventions, sedatives, statins, remote ischaemic preconditioning and care bundles. METHOD: A systematic search of the literature was performed for studies published between 1966 and March 2017 using these potential protective strategies in adult patients at risk of AKI...
June 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28511069/ischaemic-preconditioning-current-knowledge-and-potential-future-applications-after-30-years-of-experience
#16
REVIEW
Karolina Stokfisz, Anna Ledakowicz-Polak, Maciej Zagorski, Marzenna Zielinska
Ischaemic preconditioning (IPC) phenomenon has been known for thirty years. During that time several studies showed that IPC provided by brief ischaemic and reperfusion episodes prior to longer ischaemia can bestow a protective effect to both preconditioned and also remote organs. IPC affecting remote organs is called remote ischaemic preconditioning. Initially, most IPC studies were focused on enhancing myocardial resistance to subsequent ischaemia and reperfusion injury. However, preconditioning was found to be a universal phenomenon and was observed in various organs and tissues including the heart, liver, brain, retina, kidney, skeletal muscles and intestine...
September 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28475274/remote-ischaemic-preconditioning-for-coronary-artery-bypass-grafting-with-or-without-valve-surgery
#17
REVIEW
Carina Benstoem, Christian Stoppe, Oliver J Liakopoulos, Julia Ney, Dirk Hasenclever, Patrick Meybohm, Andreas Goetzenich
BACKGROUND: Despite substantial improvements in myocardial preservation strategies, coronary artery bypass grafting (CABG) is still associated with severe complications. It has been reported that remote ischaemic preconditioning (RIPC) reduces reperfusion injury in people undergoing cardiac surgery and improves clinical outcome. However, there is a lack of synthesised information and a need to review the current evidence from randomised controlled trials (RCTs). OBJECTIVES: To assess the benefits and harms of remote ischaemic preconditioning in people undergoing coronary artery bypass grafting, with or without valve surgery...
May 5, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28443376/remote-ischemic-conditioning-and-renal-protection
#18
REVIEW
Georgios Giannopoulos, Dimitrios A Vrachatis, Vasiliki Panagopoulou, Manolis Vavuranakis, Michael W Cleman, Spyridon Deftereos
Over the course of the last 2 decades, the concept of remote ischemic conditioning (RIC) has attracted considerable research interest, because RIC, in most of its embodiments offers an inexpensive way of protecting tissues against ischemic damage inflicted by a number of medical conditions or procedures. Acute kidney injury (AKI) is a common side effect in the context of various medical procedures, and RIC has been suggested as a means of reducing its incidence. Outcomes regarding kidney function have been reported in numerous studies that evaluated the effects of RIC in a variety of settings (eg, cardiac surgery, interventions requiring intravenous administration of contrast media)...
July 2017: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28381098/remote-preconditioning-and-vascular-surgery
#19
REVIEW
Donagh A Healy, Stewart R Walsh
Remote ischemic preconditioning (RIPC) is a theoretically attractive strategy for organ protection; and phase 2 studies in a variety of settings have yielded promising results. In this article, we review the existing clinical studies on RIPC in vascular surgery. We examine aspects of design that may potentially be optimized in future vascular surgery studies and we highlight some challenges that have emerged since the publication of the Remote Ischaemic Preconditioning for Heart Surgery (RIPHeart) trial and the Effect of Remote Ischaemic Preconditioning on Clinical Outcomes in Patients Undergoing Coronary Artery Bypass Surgery (ERICCA) trial...
July 2017: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28374972/ventilation-strategy-has-a-major-influence-on-remote-ischaemic-preconditioning-in-mice
#20
Sean M Davidson, Zhenhe He, Alex Dyson, Daniel I Bromage, Derek M Yellon
Whether oxygen should be administered acutely during ST-segment elevation myocardial infarction is debated. Despite this controversy, the possible influence of supplementary oxygen on animal models of ischaemia-reperfusion injury or cardioprotection is rarely considered. We used an in vivo mouse model of ischaemia and reperfusion to investigate the effect of ventilation with room air versus 100% oxygen. The coronary artery of anaesthetized mice was occluded for 40 min. followed by 2-hrs reperfusion. Infarct size was measured by tetrazolium staining and expressed as a percentage of area at risk, determined using Evan's blue...
October 2017: Journal of Cellular and Molecular Medicine
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