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Remote ischemic preconditioning

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https://www.readbyqxmd.com/read/29344650/adrenomedullin-serves-a-role-in-the-humoral-pathway-of-delayed-remote-ischemic-preconditioning-via-a-hypoxia-inducible-factor-1%C3%AE-associated-mechanism
#1
Wenpei Dong, Ping Yu, Tielong Zhang, Chenzhuang Zhu, Jun Qi, Junhao Liang
Remote ischemic preconditioning (RIPC) is a minimally invasive method that provides protection by reducing injury to the heart, kidneys, brain and other tissues or organs. RIPC may improve the outcome in patients undergoing surgery. Although the role of RIPC has been studied, the results remain controversial. It is difficult to confirm whether RIPC has a kidney protective effect and the understanding of the preconditioning signal pathway involved remains unclear. In the present study, the effect of RIPC in urology was evaluated...
January 17, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29339643/effect-of-remote-ischemic-preconditioning-on-systemic-toxicity-and-ototoxicity-induced-by-cisplatin-in-rats-role-of-tnf-%C3%AE-and-nitric-oxide
#2
Marcos Jullian Barreto Martins, Avner Marcos Alves Batista, Yuri Neyson Ferreira Brito, Pedro Marcos Gomes Soares, Conceição da Silva Martins, Ronaldo de Albuquerque Ribeiro, Gerly Anne de Castro Brito, Marcos Rabelo de Freitas
BACKGROUND/AIMS: Cisplatin is a chemotherapeutic agent. The use of remote ischemic preconditioning (RIPC) was proposed after the observation that ischemic preconditioning of a cardiac vascular area could protect another completely distinctly. METHODS: This is an experimental study. Male Wistar rats were anesthetized, and they underwent a hearing evaluation via measurement of the brainstem auditory evoked potential (BSAEP). Then, cisplatin was administered intraperitoneally (IP) at a dose of 8 mg/kg/day for 4 consecutive days to group 1, whereas saline solution was administered IP to group 2...
January 17, 2018: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/29331341/effects-of-the-gut-liver-axis-on-ischemia-mediated-hepatocellular-carcinoma-recurrence-in-the-mouse-liver
#3
Lorenzo A Orci, Stéphanie Lacotte, Vaihere Delaune, Florence Slits, Graziano Oldani, Vladimir Lazarevic, Carlo Rossetti, Laura Rubbia-Brandt, Philippe Morel, Christian Toso
BACKGROUND & AIMS: There is growing evidence that liver graft ischemia-reperfusion (I/R) is a risk factor for hepatocellular carcinoma (HCC) recurrence, but the involved mechanisms are unclear. Here, we tested the hypothesis that mesenteric congestion due to portal blood flow interruption induces endotoxin-mediated Toll-Like Receptor 4 (Tlr4) engagement, resulting in elevated liver cancer burden. We also assessed the role of remote ischemic preconditioning (RIPC) in this context. METHODS: C57Bl/6j mice were exposed to standardized models of liver I/R injury and RIPC, by occluding hepatic and femoral blood vessels...
January 10, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29315665/effect-of-remote-ischemic-preconditioning-on-left-atrial-remodeling-and-prothrombotic-response-after-radiofrequency-catheter-ablation-for-atrial-fibrillation
#4
Ruijuan Han, Xiaoqing Liu, Meili Zheng, RuiPing Zhao, XiaoYan Liu, Xiandong Yin, Xingpeng Liu, Ying Tian, Liang Shi, Kai Sun, Xinchun Yang
BACKGROUND: Radiofrequency catheter ablation (RFCA) of atrial fibrillation (AF) is known to induce left atrial remodeling and prothrombotic response. AIMS: This study aimed to evaluate the effect of remote ischemic preconditioning (RIPC) on left atrial remodeling and prothrombotic response induced by radiofrequency catheter ablation (RFCA) of atrial fibrillation (AF). METHODS: Forty-four patients with drug-refractory paroxysmal AF undergoing RFCA were randomized into RIPC (4 short episodes of forearm ischemia) and control groups before the procedure...
January 5, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29302715/remote-ischemic-preconditioning-has-a-cardioprotective-effect-in-children-in-the-early-postoperative-phase-a-meta-analysis-of-randomized-controlled-trials
#5
Wen Tan, Chaoji Zhang, Jianzhou Liu, Xiaofeng Li, Yuzhi Chen, Qi Miao
In this updated meta-analysis, we assessed the cardioprotective effect of remote ischemic preconditioning (RIPC) in pediatric patients undergoing congenital heart surgery. A total of 9 randomized controlled trials (RCTs) involving 793 pediatric patients under 18 years old were identified. RIPC obviously reduced the release of troponin I at 6 h after surgery [standard mean difference (SMD) -0.59, 95% confidence interval (CI) -1.14 to -0.04; p = 0.03], mitigated the inotropic scores within 4-6 h (SMD -0...
January 4, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29248143/prevention-of-acute-kidney-injury
#6
REVIEW
Melanie Meersch, Stephanie Volmering, Alexander Zarbock
Acute kidney injury is a prevalent but underdiagnosed complication that is associated with increased in-hospital morbidity and mortality. The importance of this complication is being increasingly recognized. The lack of timely diagnostic methods and effective preemptive and therapeutic strategies make its perioperative management challenging. To reduce the incidence of acute kidney injury, it is crucial to focus the resources on high-risk patients who can be identified by clinical scoring systems with a high predictive value and newly developed renal biomarkers...
September 2017: Best Practice & Research. Clinical Anaesthesiology
https://www.readbyqxmd.com/read/29232398/remote-ischemic-preconditioning-attenuates-cardiopulmonary-bypass-induced-lung-injury
#7
Xiaona Zhou, Runzhu Jiang, Yucai Dong, Lifeng Wang
The use of cardiopulmonary bypass (CPB) in cardiac surgeries is known to induce pathological changes in vital organs such as lungs. Remote ischemic preconditioning (RIPC) is a protective strategy that has shown to be able to reduce tissue damage related to ischemia-reperfusion injury (IRI). The current study seeks to evaluate the beneficial effects of limb RIPC on lung tissues and function in a rat CPB model. RIPC, which consisted of three cycles of 5-min ischemia and subsequently 5-min reperfusion, was induced in the hind limbs of the animals via a tourniquet...
2017: PloS One
https://www.readbyqxmd.com/read/29210794/effect-of-remote-ischemic-preconditioning-on-outcomes-in-adult-cardiac-surgery-a-systematic-review-and-meta-analysis-of-randomized-controlled-studies
#8
Jianfeng Xie, Xiwen Zhang, Jingyuan Xu, Zhongheng Zhang, Nathan J Klingensmith, Songqiao Liu, Chun Pan, Yi Yang, Haibo Qiu
BACKGROUND: Remote ischemic preconditioning (RIPC) has been demonstrated to prevent organ dysfunction in cardiac surgery patients. However, recent large, prospective, multicenter, randomized controlled trials (RCTs) had controversial results. Thus, a meta-analysis of RCTs was performed to investigate whether RIPC can reduce the incidence of acute myocardial infarction (AMI), acute kidney injury (AKI), and mortality in adult cardiac surgery patients. METHODS: Study data were collected from Medline, Elsevier, Cochrane Central Register of Controlled Trials and Web of Science databases...
November 22, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29197999/remote-ischemic-preconditioning-upregulates-microrna-21-to-protect-the-kidney-in-children-with-congenital-heart-disease-undergoing-cardiopulmonary-bypass
#9
Zhijuan Kang, Zhihui Li, Peng Huang, Jinwen Luo, Pingbo Liu, Ying Wang, Tuanhong Xia, Yuhang Zhou
BACKGROUND: Acute kidney injury (AKI) is one of the most common emergencies and severe diseases in the clinic. We sought to verify whether remote ischemic preconditioning (RIPC) has a protective effect on the kidney of child with congenital heart disease undergoing cardiopulmonary bypass (CPB) surgery. We hypothesized it may be related to the up-regulation of microRNA-21 (miR-21). METHODS: We performed a prospective randomized clinical study among children with congenital heart disease undergoing CPB surgery between January and December 2016...
December 2, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29187642/irisin-protects-mitochondria-function-during-pulmonary-ischemia-reperfusion-injury
#10
Ken Chen, Zaicheng Xu, Yukai Liu, Zhen Wang, Yu Li, Xuefei Xu, Caiyu Chen, Tianyang Xia, Qiao Liao, Yonggang Yao, Cindy Zeng, Duofen He, Yongjian Yang, Tao Tan, Jianxun Yi, Jingsong Zhou, Hua Zhu, Jianjie Ma, Chunyu Zeng
Limb remote ischemic preconditioning (RIPC) is an effective means of protection against ischemia/reperfusion (IR)-induced injury to multiple organs. Many studies are focused on identifying endocrine mechanisms that underlie the cross-talk between muscle and RIPC-mediated organ protection. We report that RIPC releases irisin, a myokine derived from the extracellular portion of fibronectin domain-containing 5 protein (FNDC5) in skeletal muscle, to protect against injury to the lung. Human patients with neonatal respiratory distress syndrome show reduced concentrations of irisin in the serum and increased irisin concentrations in the bronchoalveolar lavage fluid, suggesting transfer of irisin from circulation to the lung under physiologic stress...
November 29, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/29160389/protective-effect-of-ischemic-preconditioning-on-myocardium-against-remote-tissue-injury-following-transient-focal-cerebral-ischemia-in-diabetic-rats
#11
Meltem Kumas, Ozge Altintas, Ersin Karatas, Abdurrahim Kocyigit
BACKGROUND: Remote ischemic preconditioning (IPreC) could provide tissue-protective effect at a remote site by anti-inflammatory, neuronal, and humoral signaling pathways. OBJECTIVES: The aim of the study was to investigate the possible protective effects of remote IPreC on myocardium after transient middle cerebral artery occlusion (MCAo) in streptozotocin- induced diabetic (STZ) and non-diabetic rats. METHODS: 48 male Spraque Dawley rats were divided into eight groups: Sham, STZ, IPreC, MCAo, IPreC+MCAo, STZ+IPreC, STZ+MCAo and STZ+IPreC+MCAo groups...
November 13, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29159507/stat3-as-a-common-signal-of-ischemic-conditioning-a-lesson-on-rigor-and-reproducibility-in-preclinical-studies-on-cardioprotection
#12
Petra Kleinbongard, Andreas Skyschally, Sabine Gent, Marion Pesch, Gerd Heusch
Ischemic conditioning before (ischemic preconditioning, IPC) or after (ischemic postconditioning, POCO) sustained myocardial ischemia/reperfusion (I/R), induced locally or remotely from the heart (remote IPC, RIPC), reduces infarct size. However, none of the identified signaling steps of ischemic conditioning was robust across models and species to be successfully translated to humans. In prior separate studies in pigs, activation of signal transducer and activator of transcription 3 (STAT3) was causal for infarct size reduction by IPC, POCO, and RIPC but it remains unclear whether or not STAT3 is truly a common denominator of cardioprotective signaling...
November 20, 2017: Basic Research in Cardiology
https://www.readbyqxmd.com/read/29135556/can-remote-ischemic-preconditioning-really-improve-long-term-kidney-outcomes-after-cardiac-surgery
#13
LETTER
Fu-Shan Xue, Ya-Yang Liu, Hui-Xian Li
No abstract text is available yet for this article.
December 2017: Anesthesiology
https://www.readbyqxmd.com/read/29131250/effects-of-remote-ischemic-preconditioning-on-myocardial-injury-and-endothelial-function-and-prognosis-after-percutaneous-coronary-intervention-in-patients-with-acute-coronary-syndrome
#14
F-Z Zhou, W Song, L-H Yin, Z-F Song, S Yang, F-B Yang, J-F Liu, Y-G Song, H-Y Zhang, Z-M Zhang
OBJECTIVE: To explore the effects of remote ischemic preconditioning on myocardial injury and prognosis after percutaneous coronary intervention (PCI) in patients with acute coronary syndrome. PATIENTS AND METHODS: The study was a single center, prospective, randomized, controlled study. A total of 184 patients with unstable angina undergoing elective PCI were randomly assigned to remote ischemic preconditioning group (induced by four times of 5-min inflations of a blood pressure cuff to 200 mmHg around the upper arm, followed by 5-min intervals of reperfusion at 1 h before PCI therapy) or control group (an uninflated cuff around the arm)...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29130941/remote-ischemia-preconditioning-attenuates-blood-spinal-cord-barrier-breakdown-in-rats-undergoing-spinal-cord-ischemia-reperfusion-injury-associated-with-activation-and-upregulation-of-cb1-and-cb2-receptors
#15
Na Jing, Bo Fang, Zhi-Lin Wang, Hong Ma
BACKGROUND/AIMS: Remote ischemic preconditioning (RIPC) has protective effects on spinal cord ischemia reperfusion (I/R) injury, but the potential mechanisms remain unclear. In our study, the effects and underlying mechanisms of RIPC on blood-spinal cord barrier (BSCB) breakdown following I/R injury were investigated. METHODS: animals underwent intraperitoneal administration with cannabinoid-1 (CB1) receptor antagonist AM251, cannabinoid-2 (CB2) receptor antagonist AM630 or vehicle 15 minutes before three 3-minute occlusion-reperfusion cycles on the right femoral artery or a sham operation...
October 31, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29122651/downregulation-of-lipocalin-2-and-bim-expression-after-remote-limb-preconditioning-in-the-ischemic-rat-brain
#16
Mingli Liu, Jing Chen, Shufan Zhang, Chuancheng Ren
Although it has been proved that remote limb preconditioning (RPC) can exert neurological protection effects after ischemic cerebral stroke (ICS), the underlying mechanisms of RPC still need to be elucidated for its better transformation to clinical application. Lipocalin-2 (LCN2) was upregulated after cerebral ischemia and mediated reperfusion injury in the models of ischemic stroke. So here, we investigated that whether RPC could downregulate the levels of LCN2 protein and its receptor resulting from cerebral ischemia reperfusion (I/R) injury...
November 6, 2017: Brain Research
https://www.readbyqxmd.com/read/29108311/remote-ischemic-conditioning-for-the-prevention-of-contrast-induced-acute-kidney-injury-in-patients-undergoing-intravascular-contrast-administration-a-meta-analysis-and-trial-sequential-analysis-of-16-randomized-controlled-trials
#17
Chang-Cheng Zhou, Wen-Tao Yao, Yu-Zheng Ge, Lu-Wei Xu, Ran Wu, Xiao-Fei Gao, Kai-Wei Song, Xiao-Min Jiang, Min Wang, Wen-Juan Huang, Yun-Peng Zhu, Liang-Peng Li, Liu-Hua Zhou, Zhong-Le Xu, Sheng-Li Zhang, Jia-Geng Zhu, Wen-Cheng Li, Rui-Peng Jia
Objective: We conducted this meta-analysis to examine the effect of remote ischemic conditioning (RIC) on contrast-induced acute kidney injury (CI-AKI) in patients undergoing intravascular contrast administrationon. Methods: Pubmed, Embase, and Cochrane Library were comprehensively searched to identify all eligible studies by 15th March, 2017. Risk ratio (RR) and weighted mean difference with the corresponding 95% confidence intervals (CI) were used to examine the treatment effect...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29094209/comparison-of-the-protective-effects-of-direct-ischemic-preconditioning-and-remote-ischemic-preconditioning-in-a-rabbit-model-of-transient-spinal-cord-ischemia
#18
Takehiko Fukui, Kazuyoshi Ishida, Yoichi Mizukami, Kiyotaka Shiramoto, Hidenori Harada, Atsuo Yamashita, Satoshi Yamashita, Mishiya Matsumoto
INTRODUCTION: This study aimed to determine the relative potency of direct ischemic preconditioning (DIPC) and remote ischemic preconditioning (RIPC) for protection against ischemic spinal cord injury in rabbits and to explore the mechanisms involved. METHODS: In experiment 1, we compared the neurological and histopathological outcomes of DIPC, kidney RIPC, and limb RIPC. The DIPC and kidney RIPC groups received two cycles of 5-min occlusion/15-min reperfusion of the abdominal aorta and left renal artery, respectively...
November 1, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/29083941/modulation-of-remote-ischemic-preconditioning-by-proinflammatory-cytokines-in-renal-transplant-recipients
#19
Homero Zapata-Chavira, Marco Hernández-Guedea, Julio César Jiménez-Pérez, Edelmiro Pérez-Rodríguez, Linda Muñoz-Espinosa, Gerardo Muñoz-Maldonado, Paula Cordero-Pérez
AIM: Remote ischemic preconditioning (RIPC) has been used as a strategy to reduce acute renal injury and ischemia-reperfusion injury (IRI) in renal transplantation (RT) with controversial results. OBJECTIVE: To determine if RIPC modifies IRI in cadaveric RT recipients through inflammatory mediators and graft function. METHODS: Twenty-nine RT recipients were studied, 12 in the control group (CG) and 17 in the RIPC group. RIPC which was performed on donors using a pneumatic tourniquet placed on both thighs for 10 min followed by the determination of IL-1, IL-6, TNF-α, VEGF, and ICAM-1, and hematological and biochemical parameters in different phases of RT...
October 30, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/29077609/impact-of-anesthetic-regimen-on-remote-ischemic-preconditioning-in-the-rat-heart-in-vivo
#20
Friederike Behmenburg, Patrick van Caster, Sebastian Bunte, Timo Brandenburger, André Heinen, Markus W Hollmann, Ragnar Huhn
Remote ischemic preconditioning (RIPC) seems to be a promising cardioprotective strategy with contradictive clinical data suggesting the anesthetic regimen influencing the favorable impact of RIPC. This study aimed to investigate whether cardio protection by RIPC is abolished by anesthetic regimens. Male Wistar rats were randomized to 6 groups. Anesthesia was either maintained by pentobarbital (Pento) alone or a combination of sevoflurane (Sevo) and remifentanil or propofol (Prop) and remifentanil in combination with and without RIPC...
October 26, 2017: Anesthesia and Analgesia
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