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https://www.readbyqxmd.com/read/29457560/prophylactic-intra-aortic-balloon-counterpulsation-before-surgical-myocardial-revascularization-in-patients-with-acute-myocardial-infarction
#1
Philippe Grieshaber, Tobias Schneider, Lukas Oster, Coskun Orhan, Peter Roth, Bernd Niemann, Andreas Böning
INTRODUCTION: Prophylactic intra-aortic balloon counterpulsation (pIABC) is recommended for high-risk patients undergoing coronary artery bypass grafting (CABG) surgery. Criteria for high-risk patients benefiting from pIABC are unclear. This study aimed to specifically describe the effect of pIABC on outcomes of patients with acute myocardial infarction (AMI) undergoing CABG. METHODS: In 178 of 484 AMI patients (non-ST-segment elevation myocardial infarction [NSTEMI] or ST-segment elevation myocardial infarction [STEMI] ≤5 days before surgery) without cardiogenic shock who underwent CABG between 2008 and 2013, pIABC was initiated preoperatively...
February 1, 2018: Perfusion
https://www.readbyqxmd.com/read/29456986/extract-from-teucrium-polium-l-protects-rat-heart-against-oxidative-stress-induced-by-ischemic-reperfusion-injury
#2
Maryam Mahmoudabady, Milad Haghshenas, Saeed Niazmand
Background: The deleterious effect of oxidative stress on myocardial ischemia-reperfusion (I/R) has already been shown in previous studies. Since Teucrium polium has anti-oxidative and cardio-protective properties, the aim of this study was to investigate the effects of this plant on I/R injuries in the isolated rat heart. Materials and Methods: The myocardial I/R injury of rat was created by Langendorff retrograde perfusion technology. The heart was preperfused with Krebs-Henseleit (K-H) solution containing T...
2018: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29456238/remote-ischemic-postconditioning-ripc-of-the-upper-arm-results-in-protection-from-cardiac-ischemia-reperfusion-injury-following-primary-percutaneous-coronary-intervention-pci-for-acute-st-segment-elevation-myocardial-infarction-stemi
#3
Bangming Cao, Haipeng Wang, Chi Zhang, Ming Xia, Xiangjun Yang
BACKGROUND The aim of this study was to evaluate the role of remote ischemic postconditioning (RIPC) of the upper arm on protection from cardiac ischemia-reperfusion injury following primary percutaneous coronary intervention (PCI) in patients with acute ST-segment elevation myocardial infarction (STEMI). MATERIAL AND METHODS Eighty patients with STEMI were randomized into two groups: primary PCI (N=44) and primary PCI+RIPC (N=36). RIPC consisted of four cycles of 5 minutes of occlusion and five minutes of reperfusion by cuff inflation and deflation of the upper arm, commencing within one minute of the first PCI balloon dilatation...
February 19, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29454138/prognostic-implications-of-early-monomorphic-and-non-monomorphic-tachyarrhythmias-in-patients-discharged-with-acute-coronary-syndrome
#4
Jo-Jo Hai, Ka-Chun Un, Chun-Ka Wong, Ka-Lam Wong, Zhe-Yu Zhang, Pak-Hei Chan, Chu-Pak Lau, Chung-Wah Siu, Hung-Fat Tse
BACKGROUND: The prognostic implication of early ventricular tachycarrhythmias (VT) after acute coronary syndrome (ACS) remains unclear. OBJECTIVE: We sought to investigate the clinical outcomes of early monomorphic and non-monomorphic VT that occur within 48 hours in patients after ACS. METHODS: We retrospectively reviewed the clinical outcomes of 2033 (mean age: 67.0±13.4 years, 73.1% male) consecutive patients who presented with ACS from 2004 to 2015...
February 14, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29449141/neurometabolites-alteration-in-the-acute-phase-of-mild-traumatic-brain-injury-mtbi-an-in-vivo-proton-magnetic-resonance-spectroscopy-1h-mrs-study
#5
Vigneswaran Veeramuthu, Pohchoo Seow, Vairavan Narayanan, Jeannie Hisu Ding Wong, Li Kuo Tan, Aditya Tri Hernowo, Norlisah Ramli
RATIONALE AND OBJECTIVES: Magnetic resonance spectroscopy is a noninvasive imaging technique that allows for reliable assessment of microscopic changes in brain cytoarchitecture, neuronal injuries, and neurochemical changes resultant from traumatic insults. We aimed to evaluate the acute alteration of neurometabolites in complicated and uncomplicated mild traumatic brain injury (mTBI) patients in comparison to control subjects using proton magnetic resonance spectroscopy (1H magnetic resonance spectroscopy)...
February 12, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29447379/acute-exercise-is-not-cardioprotective-and-may-induce-apoptotic-signalling-in-heart-surgery-a-randomized-controlled-trial
#6
Benedikte T Smenes, Fredrik H Bækkerud, Katrine H Slagsvold, Erlend Hassel, Martin Wohlwend, Maria Pinho, Morten Høydal, Ulrik Wisløff, Øivind Rognmo, Alexander Wahba
OBJECTIVES: During open-heart surgery, the myocardium experiences ischaemia-reperfusion injury. A single bout of moderate, 30-min exercise induces preconditioning and protects the heart from ischaemia-reperfusion injury in rats, but this has never been investigated in humans. We aimed to investigate whether 1 bout of moderate exercise 24 h prior to surgery protects against mitochondrial and cardiac damage. METHODS: Patients scheduled for elective coronary artery bypass were eligible for this pilot study...
February 13, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29446149/distinction-of-the-gaba-2-29-ppm-resonance-using-triple-refocusing-at-3-t-in-vivo
#7
Vivek Tiwari, Zhongxu An, Yiming Wang, Changho Choi
PURPOSE: To develop 1 H MR spectroscopy that provides distinction of γ-aminobutyric acid (GABA) signal at 3 T in vivo. METHODS: Triple-refocusing was tailored at 3 T, with numerical simulations and phantom validation, for distinction of the GABA 2.29-ppm resonance from the neighboring glutamate resonance. The optimization was performed on the inter-RF pulse time delays and the duration and carrier frequency of a non-slice-selective RF pulse. The optimized triple refocusing was tested in multiple regions in 6 healthy subjects, including hippocampus...
February 14, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29443755/argininemia-as-a-cause-of-severe-chronic-stunting-and-partial-growth-hormone-deficiency-pghd-a-case-report
#8
Xiaotang Cai, Dan Yu, Yongmei Xie, Hui Zhou
RATIONALE: Argininemia is an autosomal recessive inherited disorder of the urea cycle. Because of its atypical symptoms in early age, diagnosis can be delayed until the typical chronic manifestations - including spastic diplegia, deterioration in cognitive function, and epilepsy - appear in later childhood. PATIENT CONCERNS: A Chinese boy initially presented with severe stunting and partial growth hormone deficiency (PGHD) at 3 years old and was initially treated with growth hormone replacement therapy...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29441875/influence-of-slco1b1-polymorphisms-on-atorvastatin-efficacy-and-safety-in-macedonian-subjects
#9
K Mladenovska, A Daka Grapci, M Vavlukis, A Kapedanovska, A Eftimov, N Matevska Geshkovska, D Nebija, A J Dimovski
Atorvastatin, as 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitor, is a widely prescribed medication for the treatment of dyslipidemia. However, despite its clinical efficacy in reducing major cardiovascular events, a wide inter-individual variability in its response exists. Several studies in this area point to the effect of polymorphisms in the solute carrier organic anion transporter 1B1 (SLCO1B1) gene encoding the multiple organic anion-transporting polypeptide 1B1 (OATP1B1) involved in hepatic uptake of atorvastatin...
May 1, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29441734/cross-sectional-serum-metabolomic-study-of-multiple-forms-of-muscular-dystrophy
#10
Pietro Spitali, Kristina Hettne, Roula Tsonaka, Ekrem Sabir, Alexandre Seyer, Jesse B A Hemerik, Jelle J Goeman, Esther Picillo, Manuela Ergoli, Luisa Politano, Annemieke Aartsma-Rus
Muscular dystrophies are characterized by a progressive loss of muscle tissue and/or muscle function. While metabolic alterations have been described in patients'-derived muscle biopsies, non-invasive readouts able to describe these alterations are needed in order to objectively monitor muscle condition and response to treatment targeting metabolic abnormalities. We used a metabolomic approach to study metabolites concentration in serum of patients affected by multiple forms of muscular dystrophy such as Duchenne and Becker muscular dystrophies, limb-girdle muscular dystrophies type 2A and 2B, myotonic dystrophy type 1 and facioscapulohumeral muscular dystrophy...
February 14, 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29439657/effects-of-procyanidin-on-cardiomyocyte-apoptosis-after-myocardial-ischemia-reperfusion-in-rats
#11
Dan Liu
BACKGROUND: This study is aimed at investigating the effects of procyanidin on cardiomyocyte apoptosis of myocardial ischemia/reperfusion (I/R) injury in rats. METHODS: Sprague-Dawley rats were randomly assigned into four groups: control group (normal saline), ischemic group (normal saline), procyanidin low-dose group (procyanidin 50 mg/kg/day) and procyanidin high-dose group (procyanidin 100 mg/kg/day) by intragastric administration for 2 weeks. After last administration, myocardial I/R model was induced by ligating left anterior descending artery for 30 min followed by 120 min of perfusion...
February 13, 2018: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29439058/autoimmune-necrotising-myopathy-and-hmgcr-antibodies
#12
Kushan Karunaratne, Dimitri Amiras, Matthew C Pickering, Monika Hofer, Stuart Viegas
Statins lower serum cholesterol concentrations by inhibiting the enzyme 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR). Muscle side effects are relatively common and include asymptomatic elevation of serum creatine kinase (CK), myalgia, proximal muscle weakness and rhabdomyolysis. More recently, a subset of cases of immune-mediated necrotising myopathy has been found to have antibodies against HMGCR. It is often an aggressive and debilitating myopathy and has a complex pathogenesis characterised by fibre necrosis, usually with minimal associated inflammation...
February 8, 2018: Practical Neurology
https://www.readbyqxmd.com/read/29438199/changes-in-cerebral-function-parameters-with-maraviroc-intensified-antiretroviral-therapy-in-treatment-na%C3%A3-ve-hiv-positive-individuals-a-randomised-controlled-study
#13
Borja Mora-Peris, George Bouliotis, Kulasegaram Ranjababu, Amanda Clarke, Frank A Post, Mark Nelson, Laura Burgess, Juan Tiraboschi, Saye Khoo, Steve Taylor, Deborah Ashby, Alan Winston
BACKGROUND: Maraviroc-intensified antiretroviral therapy (ART) may be associated with cognitive benefits. METHODS: Therapy naïve, cognitively asymptomatic, HIV-positive individuals were randomly allocated on a 1:1 basis to standard ART (Arm1; tenofovir-emtricitabine plus atazanavir/ritonavir) or maraviroc intensified ART (Arm2: abacavir-lamivudine plus darunavir/ritonavir/maraviroc). Over 48 weeks, detailed assessments of cognitive function (CF) tests were undertaken and cerebral metabolites measured using proton magnetic resonance spectroscopy...
February 12, 2018: AIDS
https://www.readbyqxmd.com/read/29437806/rhabdomyolysis-in-stuve-wiedemann-syndrome
#14
Pemantah Sandheeah Ramdeny, Colin Powell, Mallinath Chakraborty, Louise Hartley
A 6-month-old male infant with Stuve-Wiedemann syndrome (SWS) presented with an acute respiratory arrest secondary to a rhinovirus respiratory infection from which he was rapidly resuscitated. He developed an acute kidney injury requiring supportive treatment and on day 3 of his illness was noted to have developed severe rhabdomyolysis (creatine kinase level 132 040 U/L (normal <320 U/L)). He was born from consanguineous parents with homozygous mutations in the leukaemia inhibitory factor receptor. He had skeletal dysplasia with metabolic bone disease and episodes of hyperthermia with lactic acidosis...
February 8, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29436842/diffusion-weighted-mri-in-myositis-the-value-of-adc-histogram-analysis
#15
Hans Jonas Meyer, Alexander Emmer, Malte Kornhuber, Alexey Surov
OBJECTIVE: Diffusion weighted imaging (DWI) has the potential of being able to reflect histopathology architecture. A novel imaging approach, namely histogram analysis, is used to further characterize tissues on MRI. The aim of this study was to correlate histogram parameters derived from ADC maps with serological parameters in myositis. METHODS: 16 patients with autoimmune myositis were included in this retrospective study. DWI was obtained on a 1.5T scanner by using the b values of 0 and 1000 s/mm2...
February 13, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29436038/comparison-of-reproducibility-of-single-voxel-spectroscopy-and-whole-brain-magnetic-resonance-spectroscopy-imaging-at-3t
#16
Yue Zhang, Edward Taub, Nouha Salibi, Gitendra Uswatte, Andrew A Maudsley, Sulaiman Sheriff, Brent Womble, Victor W Mark, David C Knight
To date, single voxel spectroscopy (SVS) is the most commonly used MRS technique. SVS is relatively easy to use and provides automated and immediate access to the resulting spectra. However, it is also limited in spatial coverage. A new and very promising MRS technique allows for whole-brain MR spectroscopic imaging (WB-MRSI) with much improved spatial resolution. Establishing the reproducibility of data obtained using SVS and WB-MRSI is an important first step for using these techniques to evaluate longitudinal changes in metabolite concentration...
February 13, 2018: NMR in Biomedicine
https://www.readbyqxmd.com/read/29435807/treatment-outcome-of-creatine-transporter-deficiency-international-retrospective-cohort-study
#17
Theodora U J Bruun, Sarah Sidky, Anabela O Bandeira, Francoise-Guillaume Debray, Can Ficicioglu, Jennifer Goldstein, Kairit Joost, Dwight D Koeberl, Diogo Luísa, Marie-Cecile Nassogne, Siobhan O'Sullivan, Katrin Õunap, Andreas Schulze, Lionel van Maldergem, Gajja S Salomons, Saadet Mercimek-Andrews
To evaluate the outcome of current treatment for creatine transporter (CRTR) deficiency, we developed a clinical severity score and initiated an international treatment registry. An online questionnaire was completed by physicians following patients with CRTR deficiency on a treatment, including creatine and/or arginine, and/or glycine. Clinical severity score included 1) global developmental delay/intellectual disability; 2) seizures; 3) behavioural disorder. Phenotype scored 1-3 = mild; 4-6 = moderate; and 7-9 = severe...
February 12, 2018: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29434771/adeno-associated-virus-serotype-9-mediated-vascular-endothelial-growth-factor-gene-overexpression-in-mdx-mice
#18
Xueqin Song, Ya Zhang, Zhigang Hou, Hongran Wu, Shan Lu, Jin Tang, Xuexiao Chen, Hongying Cui, Yuan Li, Yue Bi, Weisong Duan, Zhongyao Li, Chunyan Li
Duchenne muscular dystrophy (DMD) is a fatal neuromuscular disease caused by the absence of dystrophin. Vascular endothelial growth factor (VEGF) is a heparin-binding dimeric glycoprotein and principal angiogenic factor stimulating the migration, proliferation and expression of various genes in endothelial cells. Recently, VEGF was demonstrated to exhibit an antiapoptotic and direct myogenic effect, as well as to enhance muscle force restoration subsequent to traumatic injury. Therefore, the present study attempted to assess the muscle damage of VEGF overexpression in mdx mice...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29433446/homocysteine-is-a-bystander-for-st-segment-elevation-myocardial-infarction-a-case-control-study
#19
Ching-Yu Julius Chen, Tzu-Ching Yang, Christopher Chang, Shao-Chun Lu, Po-Yuan Chang
BACKGROUND: Homocysteine has been long considered a risk factor for atherosclerosis. However, cardiovascular events cannot be reduced through homocysteine lowering by B vitamin supplements. Although several association studies have reported an elevation of serum homocysteine levels in cardiovascular diseases, the relationship of homocysteine with ST-segment elevation myocardial infarction (STEMI) is not well established. METHODS: We prospectively enrolled STEMI patients who were consecutively admitted to an intensive care unit following coronary intervention in a single medical center in Taiwan...
February 13, 2018: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29432799/mitochondrial-protein-s-nitrosation-protects-against-ischemia-reperfusion-induced-denervation-at-neuromuscular-junction-in-skeletal-muscle
#20
Rebecca J Wilson, Joshua C Drake, Di Cui, Bevan M Lewellen, Carleigh C Fisher, Mei Zhang, David F Kashatus, Lisa A Palmer, Michael P Murphy, Zhen Yan
Deterioration of neuromuscular junction (NMJ) integrity and function is causal to muscle atrophy and frailty, ultimately hindering quality of life and increasing the risk of death. In particular, NMJ is vulnerable to ischemia reperfusion (IR) injury when blood flow is restricted followed by restoration. However, little is known about the underlying mechanism(s) and hence the lack of effective interventions. New evidence suggests that mitochondrial oxidative stress plays a causal role in IR injury, which can be precluded by enhancing mitochondrial protein S-nitrosation (SNO)...
February 9, 2018: Free Radical Biology & Medicine
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