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Chronic occlusion

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https://www.readbyqxmd.com/read/28917556/increased-risk-of-ventricular-arrhythmias-in-survivors-of-out-of-hospital-cardiac-arrest-with-chronic-total-coronary-occlusion
#1
Sing-Chien Yap, Rafi Sakhi, Dominic Amj Theuns, Yunus E Yasar, Rohit E Bhagwandien, Roberto Diletti, Felix Zijlstra, Tamas Szili-Torok
BACKGROUND: A chronic total occlusion (CTO) is common in out-of-hospital cardiac arrest (OHCA) survivors with coronary artery disease. It is unclear whether a CTO contributes to ventricular arrhythmias in this population. OBJECTIVE: This study sought to evaluate the impact of unrevascularized CTO's on the occurrence of appropriate implantable cardioverter-defibrillator (ICD) therapy and all-cause mortality in OHCA survivors with coronary artery disease. METHODS: This was a retrospective study that included all consecutive OHCA survivors with coronary artery disease who received an ICD from 1999 until 2015...
September 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28916604/coronary-perforation-complicating-percutaneous-coronary-intervention-in-patients-with-a-history-of-coronary-artery-bypass-surgery-an-analysis-of-309-perforation-cases-from-the-british-cardiovascular-intervention-society-database
#2
Tim Kinnaird, Richard Anderson, Nick Ossei-Gerning, James Cockburn, Alex Sirker, Peter Ludman, Mark de Belder, Thomas W Johnson, Samuel Copt, Azfar Zaman, Mamas A Mamas
BACKGROUND: The evidence base for coronary perforation (CP) occurring during percutaneous coronary intervention in patients with a history of coronary artery bypass surgery (PCI-CABG) is limited and the long-term effects unclear. Using a national PCI database, the incidence, predictors, and outcomes of CP during PCI-CABG were defined. METHODS AND RESULTS: Data were analyzed on all PCI-CABG procedures performed in England and Wales between 2005 and 2013. Multivariate logistic regressions and propensity scores were used to identify predictors of CP and its association with outcomes...
September 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28916115/-retinal-vein-occlusions
#3
REVIEW
A Pierru, J-F Girmens, E Héron, M Paques
Retinal venous occlusions comprise central retinal vein occlusion, hemiretinal vein occlusions, and branch retinal vein occlusions. They are associated with arterial hypertension and glaucoma. Retinal vein occlusions occur more frequently in males, at a median age of 55. The pathogenesis of retinal venous occlusions remains obscure. The clinical presentation of the disease is variable. In most cases, there is a unilateral visual loss over days with a painless, white and quiet eye. However, retinal venous occlusions may also present as an abrupt and profound loss of vision, or be asymptomatic...
September 12, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28912859/multidisciplinary-therapy-for-the-treatment-of-malocclusion-in-a-patient-with-chronic-periodontitis-with-a-five-year-follow-up-a-case-report
#4
Dongmei Zhang, Li Lin, Xiaoling Tang, Chen Li, Jingbo Liu, Hongyang Wang, Yaping Pan
Multidisciplinary therapy is essential in dental practice to achieve optimized outcomes. The present case report describes the application of periodontal surgery with a five-year follow-up in a patient with malocclusion and chronic periodontitis. In the presence of periodontal inflammation, orthodontic therapy may result in further periodontal breakdown due to plaque accumulation. In order to prevent this progression, scaling and root planning with a periodontal endoscope was applied, and continuous clinical monitoring and risk assessment was performed every 3 months using a Florida Probe...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28903939/percutaneous-coronary-intervention-versus-optimal-medical-therapy-for-chronic-total-coronary-occlusion-with-well-developed-collaterals
#5
Se Yeon Choi, Byoung Geol Choi, Seung-Woon Rha, Man Jong Baek, Yang Gi Ryu, Yoonjee Park, Jae Kyeong Byun, Minsuk Shim, Hu Li, Ahmed Mashaly, Won Young Jang, Woohyeun Kim, Jah Yeon Choi, Eun Jin Park, Jin Oh Na, Cheol Ung Choi, Hong Euy Lim, Eung Ju Kim, Chang Gyu Park, Hong Seog Seo, Dong Joo Oh
BACKGROUND: The impact of percutaneous coronary intervention (PCI) on chronic total occlusion in patients with well-developed collaterals is not clear. METHODS AND RESULTS: A total of 640 chronic total occlusion patients with collateral flow grade ≥2 were divided into 2 groups; chronic total occlusion patients either treated with PCI (the PCI group; n=305) or optimal medical therapy (the optimal medical therapy group; n=335). To adjust for potential confounders, a propensity score matching analysis was performed...
September 13, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28899741/small-bowel-stenosis-a-manifestation-of-chronic-graft-versus-host-disease-in-children
#6
Mickael Tordjman, Marie Ouachee, Arnaud Bonnard, Bogdana Tilea, Karima Yakouben, Jerome Viala, Michel Peuchmaur, Dominique Berrebi
Digestive graft versus host disease (GVHD) is a frequent complication after bone marrow transplantation (BMT), but small bowel obstruction is an extremely rare event. We present herein the first pediatric series of 4 cases of small bowel obstruction after BMT with detailed gross, histological data and their genetic status of the NOD2 gene. All patients had a history of severe acute GVHD treated by immunosuppressive agents and/or infliximab (in 3 cases). Acute or progressively worsening abdominal pain accompanied by small bowel occlusion occurred 5-16months after graft and CT-scan revealed multiple small intestinal stenosis...
September 9, 2017: Human Pathology
https://www.readbyqxmd.com/read/28898259/association-between-retinal-vein-occlusion-and-an-increased-risk-of-acute-myocardial-infarction-a-nationwide-population-based-follow-up-study
#7
Yu-Yen Chen, Shwu-Jiuan Sheu, Hsiao-Yun Hu, Dachen Chu, Pesus Chou
OBJECTIVE: To investigate a possible association between retinal vein occlusion (RVO) and an increased risk of developing acute myocardial infarction (AMI). DESIGN: A population-based retrospective cohort study using the entire population of the Taiwan National Health Insurance Research Database (NHIRD) from 1st January, 2001 to 31st December, 2013. METHODS: A total of 37921 subjects with RVO were enrolled in the RVO group, and 113763 subjects without RVO were enrolled in the comparison group...
2017: PloS One
https://www.readbyqxmd.com/read/28895629/-novel-examination-procedures-for-the-assessment-of-retinal-artery-occlusion-by-oct-angiography
#8
Max Loidl, Christian Enders, Jens Ulrich Werner, Gerhard K Lang, Gabriele E Lang
Background Retinal artery occlusion (RAO) is the most common primary angiopathy of the retina. With an incidence of 0.01 - 0.15%, this it is a rather rare disease, but is associated with irreversible damage to the retina and a poor prognosis for visual acuity. Since the 1960s - when fluorescence angiography (FA) was developed -, there has been little change in diagnostic investigations. FA is still the standard procedure for the assessment of retinal artery occlusions. With the development of OCT angiography (OCT-A), new multimodal imaging procedures have become possible...
September 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28895475/delayed-intranasal-infusion-of-human-amnion-epithelial-cells-improves-white-matter-maturation-after-asphyxia-in-preterm-fetal-sheep
#9
Lotte G van den Heuij, Mhoyra Fraser, Suzanne L Miller, Graham Jenkin, Euan M Wallace, Joanne O Davidson, Christopher A Lear, Rebecca Lim, Guido Wassink, Alistair J Gunn, Laura Bennet
Perinatal hypoxic-ischemic (HI) brain injury remains highly associated with neurodevelopmental disability after preterm birth. There is increasing evidence that disability is linked with impaired white matter maturation, but there is no specific treatment. In this study, we evaluated whether, in preterm fetal sheep, delayed intranasal infusion of human amnion epithelial cells (hAECs) given 1, 3 and 10 days after severe HI, induced by umbilical cord occlusion for 25 min, can restore white matter maturation or reduce delayed cell loss...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28893698/clinical-manifestations-of-isolated-chronic-middle-cerebral-artery-occlusion-in-relation-to-angiographic-features
#10
Hee Sup Shin, Chang-Woo Ryu, Hak Cheol Ko, Soonchan Park, Sang-Beom Kim
BACKGROUND AND PURPOSE: Isolated chronic middle cerebral artery occlusion (ChMCAO) is not a rare condition, and it is known to cause hemodynamic stroke. The purpose of this study was to evaluate differences in the clinical manifestations and prognosis of isolated ChMCAO in relation to angiographic features. METHODS: Fifty-six patients with isolated ChMCAO were enrolled in this retrospectively study. In accordance with the degree of antegrade collateral flow (AF) on angiography, patients were categorized into poor and good AF groups...
September 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28891390/pathology-and-epidemiology-of-oxalate-nephrosis-in-cheetahs
#11
Emily P Mitchell, Molly E Church, Sarah M Nemser, Betsy Jean Yakes, Eric R Evans, Renate Reimschuessel, Karin Lemberger, Peter N Thompson, Karen A Terio
To investigate cases of acute oxalate nephrosis without evidence of ethylene glycol exposure, archived data and tissues from cheetahs ( Acinonyx jubatus) from North America ( n = 297), southern Africa ( n = 257), and France ( n = 40) were evaluated. Renal and gastrointestinal tract lesions were characterized in a subset of animals with ( n = 100) and without ( n = 165) oxalate crystals at death. Crystals were confirmed as calcium oxalate by Raman spectroscopy in 45 of 47 cheetahs tested. Crystals were present in cheetahs from 3...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28890058/reversal-of-acute-mesenteric-ischemia-by-salvation-of-the-meandering-mesenteric-artery-with-stenting-of-the-left-internal-iliac-artery
#12
Kotsis Thomas, Christoforou P, Nastos C, Chatziioannou A, Theodosopoulos T
The presence of the meandering mesenteric artery, which is a non-constant tortuous arterial component unifying the peripheral intestinal circulation, is evidence of chronic occlusive disease of the main intestinal arteries. This collateral intestinal arterial pathway, when present, must be preserved in any abdominal intervention, as it is often the only remaining arterial supply of the intestine; its ligation can be accompanied by intestinal ischemia. We present herein, the case of a 42-year old man, heavy smoker, who had chronic mesenteric ischemia without particular clinical manifestations till the hospitalization for acute myocardial infarction for which he underwent balloon angioplasty and stenting of the left circumflex coronary artery...
September 7, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28889135/acute-outcome-of-chronic-total-occlusion-cto-recanalizsation-in-the-elderly
#13
J E Guelker, T Rock, R Ott, M Katoh, K Kroeger, R Guelker, H G Klues, D I Shin, A Bufe
OBJECTIVES: Percutaneous coronary intervention (PCI) of total chronic total occlusion (CTO) still remains a major challenge in interventional cardiology. There is only insignificant knowledge reported in the literature about age differences in CTO recanalization. We analyzed in this study the issue of the impact of age on procedural characteristics, complications and short-term outcome. METHODS: Between 2012-2016 we included 440 patients. They underwent PCI for at least one CTO...
August 2017: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28888622/the-utility-of-thromboelastography-and-thrombin-generation-in-assessing-the-prothrombotic-state-of-adults-with-sickle-cell-disease
#14
Marije Wijnberge, Kiran Parmar, Rachel Kesse-Adu, Jo Howard, Alexander T Cohen, Beverley J Hunt
INTRODUCTION: Previous studies have suggested a chronic hypercoagulable state in SCD, and that thrombosis also plays a role in the pathophysiology of sickle cell vaso-occlusive pain crises (VOC). Studies looking at thrombin generation have produced conflicting results. In this study we aimed to assess and compare whole blood thromboelastography (TEG) and plasma Calibrated Automated Thrombogram (CAT) in SCD versus healthy controls and in four different SCD subgroups. MATERIALS AND METHODS: In this prospective observational study, TEG and 1pM TF activated CAT assays were performed in citrated blood samples from 77 adult (18-66years old) SCD patients (HbSS and HbSB) and 22 healthy (HbAA) ethnically-matched controls...
September 6, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28887249/chronic-nonatherosclerotic-occlusive-popliteal-artery-disease
#15
Jun Gyo Gwon, Yong-Jae Kwon, Young Jin Han, Yong-Pil Cho, Tae-Won Kwon
BACKGROUND: The outcomes of revascularization of nonatherosclerotic occlusive popliteal artery disease are unknown. Therefore, the objective of this study was to analyze the outcomes of recanalization of nonatherosclerotic occlusive popliteal artery disease, the results of which would be useful in creating surgical strategies for such cases. METHODS: From January 2000 to December 2015, a total of 22 patients with nonatherosclerotic occlusive popliteal artery disease underwent open surgical repair...
September 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28885394/pleiotrophin-levels-are-associated-with-improved-coronary-collateral-circulation
#16
Pinar Türker Duyuler, Serkan Duyuler, Murat Gök, Harun Kundi, Canan Topçuoğlu, Ümit Güray
OBJECTIVES: Elucidation of the underlying mechanisms of angiogenesis and arteriogenesis in coronary collateral formation is necessary for new therapies. Pleiotrophin is a secreted multifunctional cytokine and associated with the formation of functional cardiovascular neovascularization in a series of experimental animal models. We aimed to evaluate the serum levels of pleiotrophin in patients with chronic total coronary artery occlusion and poor or good collateral development. METHODS: We included 88 consecutive patients (mean age of the entire population: 63...
September 6, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28884985/staged-endovascular-repair-of-critical-limb-ischemia-in-high-risk-patients-the-procedural-and-clinical-outcomes
#17
Guang Liu, Chaoyi Cui, Minyi Yin, Kaichuang Ye, Xaiobing Liu, Jinbao Qin, Huihua Shi, Xintian Huang, Min Lu, Xinwu Lu, Weimin Li, Mier Jiang
PURPOSE: To retrospectively evaluate the procedural and clinical outcomes after staged angioplasty in high-risk, chronic, critical limb ischemia (CLI) patients. METHODS: Between 2013 and 2015, 29 patients (29 limbs) (mean age 77 years) were treated by staged revascularization procedures in (i) the iliac artery-DFA alone or with the femoropopliteal artery followed by (ii) the femoropopliteal artery and a below-the-knee artery. All patients had long-segment iliofemoral artery and below-the-knee artery (TASCII D) occlusions with abnormal serum myoglobin and ischemic lesions...
September 7, 2017: International Angiology: a Journal of the International Union of Angiology
https://www.readbyqxmd.com/read/28884122/advanced-oxidation-protein-products-and-carbonylated-proteins-as-biomarkers-of-oxidative-stress-in-selected-atherosclerosis-mediated-diseases
#18
Bogna Gryszczyńska, Dorota Formanowicz, Magdalena Budzyń, Maria Wanic-Kossowska, Elżbieta Pawliczak, Piotr Formanowicz, Wacław Majewski, Krzysztof Wojciech Strzyżewski, Magdalena P Kasprzak, Maria Iskra
OBJECTIVES: The main question of this study was to evaluate the intensity of oxidative protein modification shown as advanced oxidation protein products (AOPP) and carbonylated proteins, expressed as protein carbonyl content (C=O) in abdominal aortic aneurysms (AAA), aortoiliac occlusive disease (AIOD), and chronic kidney disease (CKD). DESIGN AND METHODS: The study was carried out in a group of 35 AAA patients and 13 AIOD patients. However, CKD patients were divided into two groups: predialysis (PRE) included 50 patients or hemodialysis (HD) consisted of 34 patients...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28883719/incidence-and-risk-factors-of-atrial-fibrillation-in-asian-copd-patients
#19
Kuang-Ming Liao, Chung-Yu Chen
OBJECTIVE: To investigate the incidence and risk factors of atrial fibrillation (AF) in Asian chronic obstructive pulmonary disease (COPD) patients. PATIENTS AND METHODS: We selected a study population older than 40 years with a COPD diagnosis and who had used at least one inhaled bronchodilator medication between 1998 and 2012. The date of the index COPD diagnosis was defined as the index date. We excluded patients with a history of AF, significant mitral valve disease, disorders of the thyroid gland, or ischemic heart disease before the index date...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28882992/novel-pathways-of-ponatinib-disposition-catalyzed-by-cyp1a1-involving-generation-of-potentially-toxic-metabolites
#20
De Lin, Rumen Kostov, Jeffrey T-J Huang, Colin J Henderson, C Roland Wolf
Ponatinib, a pan-BCR-ABL tyrosine kinase inhibitor for the treatment of chronic myeloid leukemia (CML), causes severe side effects including vascular occlusions, pancreatitis, and liver toxicity, although the underlying mechanisms remain unclear. Modifications of critical proteins through reactive metabolites are thought to be responsible for a number of adverse drug reactions. In vitro metabolite screening of ponatinib with human liver microsomes and glutathione revealed unambiguous signals of ponatinib-glutathione (P-GSH) adducts...
October 2017: Journal of Pharmacology and Experimental Therapeutics
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