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Remote ischemic preconditioning

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https://www.readbyqxmd.com/read/28303021/age-and-surgical-complexity-impact-on-renoprotection-by-remote-ischemic-preconditioning-during-adult-cardiac-surgery-a-meta-analysis
#1
Chenghui Zhou, Heerajnarain Bulluck, Nengxin Fang, Lihuan Li, Derek J Hausenloy
We aimed to conduct an up-to-date meta-analysis to comprehensively assess the renoprotective effect of remote ischemic preconditioning (RIPC) in patients undergoing adult cardiac surgery. 21 randomized controlled trials (RCTs) with a total of 6302 patients were selected and identified. Compared with controls, RIPC significantly reduced the incidence of acute kidney injury (AKI) [odds ratio (OR) = 0.79; P = 0.02; I(2) = 38%], and in particular, AKI stage I (OR = 0.65; P = 0.01; I(2) = 55%)...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28300357/pilot-randomized-controlled-trial-on-early-and-late-remote-ischemic-preconditioning-prior-to-complex-cardiac-surgery-in-young-infants
#2
Gonzalo Garcia Guerra, Ari R Joffe, Rob Seal, Ernest Phillipos, Maggie Wong, Elham Khodayari Moez, Irina A Dinu, Jonathan P Duff, David Ross, Ivan Rebeyka, Charlene M T Robertson
BACKGROUND: Remote ischemic preconditioning involves providing a brief ischemia-reperfusion event to a tissue to create subsequent protection from a more severe ischemia-reperfusion event to a different tissue/organ. The few pediatric remote ischemic preconditioning studies in the literature show conflicting results. AIM: We conducted a pilot randomized controlled trial to determine the feasibility of conducting a larger trial and to gather provisional data on the effect of early and late remote ischemic preconditioning on outcomes of infants after surgery for congenital heart disease...
April 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28288052/the-devil-is-in-the-detail-remote-ischemic-preconditioning-for-perioperative-kidney-protection
#3
Felix Kork, Holger K Eltzschig
No abstract text is available yet for this article.
March 13, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28288051/long-term-effects-of-remote-ischemic-preconditioning-on-kidney-function-in-high-risk-cardiac-surgery-patients-follow-up-results-from-the-renalrip-trial
#4
Alexander Zarbock, John A Kellum, Hugo Van Aken, Christoph Schmidt, Mira Küllmar, Peter Rosenberger, Sven Martens, Dennis Görlich, Melanie Meersch
BACKGROUND: In a multicenter, randomized trial, the authors enrolled patients at high-risk for acute kidney injury as identified by a Cleveland Clinic Foundation score of 6 or more. The authors enrolled 240 patients at four hospitals and randomized them to remote ischemic preconditioning or control. The authors found that remote ischemic preconditioning reduced acute kidney injury in high-risk patients undergoing cardiac surgery. The authors now report on the effects of remote ischemic preconditioning on 90-day outcomes...
March 13, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28286014/proteomics-based-network-analysis-characterizes-biological-processes-and-pathways-activated-by-preconditioned-mesenchymal-stem-cells-in-cardiac-repair-mechanisms
#5
Dario Di Silvestre, Francesca Brambilla, Giovanni Scardoni, Pietro Brunetti, Sara Motta, Marco Matteucci, Carlo Laudanna, Fabio A Recchia, Vincenzo Lionetti, Pierluigi Mauri
BACKGROUND: We have demonstrated that intramyocardial delivery of human mesenchymal stem cells preconditioned with a hyaluronan mixed ester of butyric and retinoic acid (MSCp(+)) is more effective in preventing the decay of regional myocardial contractility in a swine model of myocardial infarction (MI). However, the understanding of the role of MSCp(+) in proteomic remodeling of cardiac infarcted tissue is not complete. We therefore sought to perform a comprehensive analysis of the proteome of infarct remote (RZ) and border zone (BZ) of pigs treated with MSCp(+) or unconditioned stem cells...
March 7, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28280407/neurogenic-pathways-in-remote-ischemic-preconditioning-induced-cardioprotection-evidences-and-possible-mechanisms
#6
REVIEW
Amritpal Singh Aulakh, Puneet Kaur Randhawa, Nirmal Singh, Amteshwar Singh Jaggi
Remote ischemic preconditioning (RIPC) is an intrinsic phenomenon whereby 3~4 consecutive ischemia-reperfusion cycles to a remote tissue (noncardiac) increases the tolerance of the myocardium to sustained ischemiareperfusion induced injury. Remote ischemic preconditioning induces the local release of chemical mediators which activate the sensory nerve endings to convey signals to the brain. The latter consequently stimulates the efferent nerve endings innervating the myocardium to induce cardioprotection. Indeed, RIPC-induced cardioprotective effects are reliant on the presence of intact neuronal pathways, which has been confirmed using nerve resection of nerves including femoral nerve, vagus nerve, and sciatic nerve...
March 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28272706/gc-ms-based-metabolomic-analysis-of-alleviated-renal-ischemia-reperfusion-injury-induced-by-remote-ischemic-preconditioning
#7
S Shen, J-F Wang, J-Q Wu, J-X Zhou, S-D Meng, J Ma, C -L Zhu, G-G Deng, D Liu
OBJECTIVE: Dysfunctional metabolisms have contributed towards ischemia-reperfusion (I/R) injury. However, the role of remote ischemic preconditioning (RIP) in I/R injury is not well known. The present study showed alleviated I/R injury in kidneys treated with RIP. MATERIALS AND METHODS: We utilized GC/MS-based metabolomics to characterize the variation of metabolomes. RESULTS: Metabolic category using differential metabolites showed the lower percentage of amino acids in I/R group in comparison to RIP+I/R group, confirming the importance of amino acid metabolism in RIP-treated rat kidney...
February 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28261301/cardiomyocyte-mitochondria-as-targets-of-humoral-factors-released-by-remote-ischemic-preconditioning
#8
Nilguen Gedik, Leonardo Maciel, Christiane Schulte, Andreas Skyschally, Gerd Heusch, Petra Kleinbongard
INTRODUCTION: Remote ischemic preconditioning (RIPC) reduces myocardial infarct size, and protection can be transferred with plasma to other individuals, even across species. Mitochondria are the end-effectors of cardioprotection by local ischemic conditioning maneuvers. We have now analyzed mitochondrial function in response to RIPC. MATERIAL AND METHODS: Plasma from pigs undergoing placebo or RIPC (infarct size reduction by 67% in RIPC pigs compared to placebo) was transferred to isolated perfused rat hearts subjected to 30 min global ischemia followed by 120 min reperfusion for infarct size measurement...
March 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28219918/clinical-outcomes-of-remote-ischemic-preconditioning-prior-to-cardiac-surgery-a-meta-analysis-of-randomized-controlled-trials
#9
REVIEW
Brian Pierce, Indra Bole, Vaiibhav Patel, David L Brown
BACKGROUND: Multiple randomized controlled trials of remote ischemic preconditioning (RIPC) prior to cardiac surgery have failed to demonstrate clinical benefit. The aim of this updated meta-analysis was to evaluate the effect of RIPC on outcomes following cardiac surgery. METHODS AND RESULTS: Searches of PubMed, Cochrane, EMBASE, and Web of Science databases were performed for 1970 to December 13, 2015. Randomized controlled trials comparing RIPC with a sham procedure prior to cardiac surgery performed with cardiopulmonary bypass were assessed...
February 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28218659/effects-of-remote-ischemic-preconditioning-on-heme-oxygenase-1-expression-and-cutaneous-wound-repair
#10
Niels A J Cremers, Kimberley E Wever, Ronald J Wong, René E M van Rheden, Eline A Vermeij, Gooitzen M van Dam, Carine E Carels, Ditte M S Lundvig, Frank A D T G Wagener
Skin wounds may lead to scar formation and impaired functionality. Remote ischemic preconditioning (RIPC) can induce the anti-inflammatory enzyme heme oxygenase-1 (HO-1) and protect against tissue injury. We aim to improve cutaneous wound repair by RIPC treatment via induction of HO-1. RIPC was applied to HO-1-luc transgenic mice and HO-1 promoter activity and mRNA expression in skin and several other organs were determined in real-time. In parallel, RIPC was applied directly or 24h prior to excisional wounding in mice to investigate the early and late protective effects of RIPC on cutaneous wound repair, respectively...
February 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28214082/effect-of-remote-ischemia-or-nicorandil-on-myocardial-injury-following-percutaneous-coronary-intervention-in-patients-with-stable-coronary-artery-disease-a-randomized-controlled-trial
#11
Toru Miyoshi, Kentaro Ejiri, Kunihisa Kohno, Makoto Nakahama, Masayuki Doi, Mitsuru Munemasa, Masaaki Murakami, Atsushi Takaishi, Yusuke Kawai, Tetsuya Sato, Katsumasa Sato, Takefumi Oka, Natsuki Takahashi, Satoru Sakuragi, Atsushi Mima, Kenki Enko, Shingo Hosogi, Seiji Nanba, Ryoichi Hirami, Kazufumi Nakamura, Hiroshi Ito
BACKGROUND: The effect of remote ischemic preconditioning (RIPC) and nicorandil on periprocedural myocardial injury (pMI) in patients with planned percutaneous coronary intervention (PCI) remains controversial. The aim of this randomized trial was to evaluate the effect of RIPC or nicorandil on pMI following PCI in patients with stable coronary artery disease (CAD) compared with a control group. METHODS: Patients with stable CAD who planned to undergo PCI were assigned to a 1:1:1 ratio to control, RIPC, or intravenous nicorandil (6mg/h)...
February 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28193783/remote-ischemic-preconditioning-triggers-changes-in-autonomic-nervous-system-activity-implications-for-cardioprotection
#12
Safa Abdul-Ghani, Arnold N Fleishman, Igor Khaliulin, Marco Meloni, Gianni D Angelini, M-Saadeh Suleiman
Cardioprotective efficacy of remote ischemic preconditioning (RIPC) remains controversial. Experimental studies investigating RIPC have largely monitored cardiovascular changes during index ischemia and reperfusion with little work investigating changes during RIPC application. This work aims to identify cardiovascular changes associated with autonomic nervous system (ANS) activity during RIPC and prior to index ischemia. RIPC was induced in anesthetized male C57/Bl6 mice by four cycles of 5 min of hindlimb ischemia using inflated cuff (200 mmHg) followed by 5 min reperfusion...
February 2017: Physiological Reports
https://www.readbyqxmd.com/read/28192894/remote-ischemic-preconditioning-in-cardiac-anesthesia-a-review-focusing-on-translation
#13
Christian Stoppe, Patrick Meybohm, Carina Benstoem, Andreas Goetzenich
INTRODUCTION: Remote Ischaemic Conditioning (RIC) is a powerful cardioprotective strategy. Its clinical application is simple, cheap and so far free from secondary side effects. Given the heterogeneous results of recent large-scale clinical trials, its clinical relevant benefit is still doubted. EVIDENCE ACQUISITION: Following a MEDLINE-based search on all publications concerning RIC in experimental or clinical settings, this review focuses on the translation from bench to bedside...
February 13, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28174194/safety-and-efficacy-of-remote-ischemic-preconditioning-in-patients-with-severe-carotid-artery-stenosis-prior-to-carotid-artery-stenting-a-proof-of-concept-randomized-controlled-trial
#14
Wenbo Zhao, Ran Meng, Chun Ma, Baojun Hou, Liqun Jiao, Fengshui Zhu, Weijuan Wu, Jingfei Shi, Yunxia Duan, Renling Zhang, Jing Zhang, Yongxin Sun, Hongqi Zhang, Feng Ling, Yuping Wang, Wuwei Feng, Yuchuan Ding, Bruce Ovbiagele, Xunming Ji
BACKGROUND: -Remote ischemic preconditioning (RIPC) can inhibit recurrent ischemic events effectively in patients with acute or chronic cerebral ischemia. However, it is still unclear that whether RIPC can impede ischemic injury after carotid artery stenting (CAS) in patients with severe carotid artery stenosis. METHODS: -Subjects with severe carotid artery stenosis were recruited in this randomized controlled study, and assigned to RIPC, sham and no intervention (control) groups...
February 7, 2017: Circulation
https://www.readbyqxmd.com/read/28153944/involvement-of-glycogen-synthase-kinase-3%C3%AE-in-liver-ischemic-conditioning-induced-cardioprotection-against-myocardial-ischemia-and-reperfusion-injury-in-rats
#15
Shuai Yang, Geoffrey W Abbott, Wei Dong Gao, Jin Liu, Chaozhi Luo, Zhaoyang Hu
Remote ischemic conditioning has been convincingly shown to render the myocardium resistant to a subsequent more severe sustained episode of ischemia. Compared to other organs, little is known regarding the effect of transient liver ischemic conditioning. We proposed the existence cardioprotection induced by remote liver conditioning. Male Sprague Dawley rats were divided into sham-operated, control(CON, no further hepatic intervention) and remote liver ischemic conditioning groups. For liver ischemic conditioning, three cycles of 5min of liver ischemia/reperfusion stimuli were conducted prior to-(liver preconditioning), post-myocardial ischemia (liver postconditioning), or in combination of both (liver preconditioning+liver postconditioning)...
February 2, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28139513/transfusion-of-plasma-collected-at-late-phase-after-preconditioning-reduces-myocardial-infarct-size-induced-by-ischemia-reperfusion-in-rats-in-vivo
#16
Yang Zhao, Zhi-Nan Zheng, Chi-Wai Cheung, Zhi-Yi Zuo, San-Qing Jin
BACKGROUND: Plasma transfusion is a common clinical practice. Remote ischemic preconditioning (RIPC) protects organs against ischemia-reperfusion (IR) injury. Whether preconditioned plasma (PP), collected at late phase after RIPC, could protect organs against IR injury in vivo is unknown. This study explored whether transfusion of PP could reduce myocardial infarct size (IS) after IR in rat in vivo. METHODS: Eighty Lewis rats were randomized to eight groups (n = 10 for each group)...
February 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28135708/remote-ischaemic-preconditioning-and-sevoflurane-postconditioning-synergistically-protect-rats-from-myocardial-injury-induced-by-ischemia-and-reperfusion-partly-via-inhibition-tlr4-myd88-nf-%C3%AE%C2%BAb-signaling-pathway
#17
Jiru Zhang, Jing Zhang, Peng Yu, Min Chen, Qingfeng Peng, Zhiqiang Wang, Nan Dong
BACKGROUND/AIMS: A combination sevoflurane postconditioning (SPC) and remote ischemic preconditioning (RIPC) is proved effective in an ex vivo rat heart perfusion model. However, the combined effect of those two interventions is not tested in rat myocardial ischemia/reperfusion (I/R) model, and the underlying mechanisms remain to be elucidated. This study aimed to investigate the effect in vivo using a rat myocardial I/R model and illuminate the related mechanisms. METHODS: Forty male Sprague-Dawley rats were randomly divided into the following 5 groups: i) sham-operated control; ii) I/R; iii) I/R + RIPC; iv) I/R + SPC; v) I/R + RIPC + SPC...
January 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28129737/repeated-remote-ischemic-preconditioning-and-isoflurane-anesthesia-in-an-experimental-model-of-renal-ischemia-reperfusion-injury
#18
Theo P Menting, Mehmet Ergun, Moira H D Bruintjes, Kimberley E Wever, Roger M L M Lomme, Harry van Goor, Michiel C Warlé
BACKGROUND: In animal studies, remote ischemic preconditioning (RIPC) and anesthetic preconditioning are successful in reducing renal ischemia reperfusion injury (IRI), however the protective effect of RIPC may be improved by repeating the RIPC stimulus. METHODS: Sprague-Dawley rats underwent unilateral nephrectomy followed by 30 min of renal pedicle clamping. Animals were allocated into six groups: sham, control (IRI), RepISO (daily isoflurane anesthesia), RIPC (single dose isoflurane anesthesia and single dose RIPC), RepISO + RIPC (7-day isoflurane anesthesia and single dose RIPC) and RepISO + RepRIPC (7-day isoflurane anesthesia with 7-day RIPC)...
January 28, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28126465/the-role-of-renal-sympathetic-nerves-in-ischemia-reperfusion-injury
#19
REVIEW
Elisabeth Lambert, Markus Schlaich
Decreased blood flow supply to the kidneys known as renal ischemia/reperfusion is a common occurrence during various clinical and surgical settings. This remains highly concerning as it is a major cause of acute kidney injury (AKI). The kidneys have a rich supply of efferent and afferent sympathetic nerves playing a crucial physiological role in regulation of renal function. Studies in animal models of renal ischemia/reperfusion injury have indicated that very early during an ischemic event, the sympathetic nerves are activated and in concert with decreased nitric oxide availability, increased angiotensin II and several other molecules results in renal damage...
January 17, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28124514/effect-of-remote-ischemic-preconditioning-on-the-melatonin-and-antioxidative-status-a-pilot-study-in-patients-undergoing-cardiac-surgery
#20
Rafael Struck, Maria Wittmann, Thomas Recht, Georg Baumgarten, Patrick Meybohm, Andreas Müller, Soyhan Bagci
BACKGROUND: Remote ischemic preconditioning (RIPC), a phenomenon in which a transient ischemia applied to a nonvital tissue protects another organ or tissue from subsequent lethal ischemic injury, is reported to protect the myocardium to withstand a subsequent prolonged ischemic event in patients undergoing cardiac surgery with cardiopulmonary bypass. It remains unclear whether oxidative stress and endogenous antioxidant enzymes play a role in the mechanistic pathways of RIPC. The aim of the present study was to evaluate the effects of RIPC on oxidative stress and extracellular concentrations of melatonin, extracellular superoxide dismutase (eSOD) and extracellular glutathione peroxidase (eGPx) in patients undergoing cardiac surgery with cardiopulmonary bypass...
January 25, 2017: Journal of Cardiovascular Surgery
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