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https://www.readbyqxmd.com/read/28730919/an-update-on-biomarker-discovery-and-use-in-systemic-sclerosis
#1
Takashi Matsushita, Kazuhiko Takehara
Systemic sclerosis (SSc) is an autoimmune disease characterized by excessive extracellular matrix deposition in the skin and internal organs. Three major abnormalities, autoimmunity, vasculopathy, and fibrosis, are considered to play important roles in the pathophysiology of SSc. SSc is a heterogeneous disease with clinical features, disease progress, therapeutic response, and prognosis. Therefore, identification of biomarkers, which can predict the course of the disease, is required for the progress of clinical practice...
July 21, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28729429/brain-perfusion-imaging-under-acetazolamide-challenge-for-detection-of-impaired-cerebrovascular-reserve-capacity-positive-findings-with-o-15-water-pet-in-patients-with-negative-tc-99m-hmpao-spect
#2
Güliz Acker, Catharina Lange, Imke Schatka, Andreas Pfeifer, Marcus A Czabanka, Peter Vajkoczy, Ralph Buchert
Cerebrovascular reserve capacity (CVRC) is an important parameter for treatment decisions in chronic cerebrovascular diseases. It can be assessed by measuring the acetazolamide-induced change of regional cerebral blood flow using single photon emission computed tomography (SPECT) with Tc-99m-labeled hexamethylpropyleneamine oxime (HMPAO) or positron emission tomography (PET) with O-15-water. Methods: Our database was searched for patients with moyamoya vasculopathy (MMV) or atherosclerotic cerebrovascular disease who had underwent O-15-water PET after normal Tc-99m-HMPAO SPECT with respect to CVRC...
July 20, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28721006/incidence-of-outer-retinal-tubulation-in-eyes-with-choroidal-neovascularization-under-intravitreal-anti-vascular-endothelial-growth-factor-therapy-in-a-japanese-population
#3
Seiji Takagi, Michiko Mandai, Noriko Miyamoto, Akihiro Nishida, Yasuhiko Hirami, Hirofumi Uyama, Midori Yamamoto, Masayo Takahashi, Goji Tomita, Yasuo Kurimoto
PURPOSE: The purpose of this study was to investigate the occurrence of outer retinal tubulation (ORT) among patients with different types of choroidal neovascularization (CNV) over time. MATERIALS AND METHODS: In this retrospective chart review, disease type was classified as typical age-related macular degeneration (t-AMD), polypoidal choroidal vasculopathy (PCV), retinal angiomatous proliferation (RAP), or myopic CNV (mCNV). Spectral domain-optical coherence tomography (SD-OCT) images were evaluated for the appearance of ORT and subretinal fibrosis and fluid...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28718269/non-atherosclerotic-obliteration-of-bilateral-supraclinoid-internal-carotid-arteries-a-classic-case-of-moyamoya-disease
#4
Saad Ullah, Anas Ahmed Siddiqui, Waseem Zaid Alkilani, Noman Ahmed Jang Khan, Hafiz Umair Siddiqui
Moyamoya disease is an idiopathic progressive vasculopathy of distal internal carotid artery and circle of Willis which leads to the development of characteristic smoky appearance of the vascular collateral network on angiography. With the highest reported incidence among Japanese population, it has been under recognized as a cause of cerebrovascular accidents in Western countries. Here we report a case of a young 20-year-old Caucasian woman who presented to the emergency department with expressive aphasia, right arm weakness and numbness for three days...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28708333/conversion-from-calcineurin-inhibitors-to-mtor-inhibitors-as-primary-immunosuppressive-drugs-in-pediatric-heart-transplantation
#5
Alfred Asante-Korang, Jennifer Carapellucci, Diane Krasnopero, Abigail Doyle, Brian Brown, Ernest Amankwah
There are only a few reports of successful use of mammalian target of rapamycin (mTORI) as primary immunosuppression in pediatric heart transplantation. Compared to calcineurin inhibitors, mTORI have less side effects, especially nephrotoxicity, infections and malignancies. A retrospective study was conducted at our institution of all 170 heart transplants from 1995-2015. Nineteen patients were switched from tacrolimus(n=15) or cyclosporin(n=4) to everolimus(n=4) or sirolimus(n=15) due to nephrotoxicity(n=5), malignancy(n=8), EBV viremia/reactive plasmacytic changes(n=5) and immune hemolytic anemia(n=1)...
July 14, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28707675/submacular-hemorrhage-and-grape-like-polyp-clusters-factors-associated-with-reactivation-of-the-lesion-in-polypoidal-choroidal-vasculopathy
#6
J H Kim, Y S Chang, J W Kim, C G Kim, D W Lee
PurposeThe purpose of this study is to investigate the factors associated with reactivation of the lesion during the first year in patients with polypoidal choroidal vasculopathy (PCV) treated with intravitreal ranibizumab.Patients and methodsThis retrospective observational study included 84 eyes diagnosed with PCV and treated with 3-monthly ranibizumab injections. Only those patients who exhibited complete resolution of fluid after initial treatment and were followed up at least 12 months were included. The baseline characteristics of the patients, including their age and sex, location of the polyps, greatest linear dimensions of the lesions, largest polyp diameter, choroidal vascular hyperpermeability, submacular hemorrhages ≥1 disc area in size, presence of grape-like polyp clusters, central foveal thickness, and best-corrected visual acuity were compared between patients with and without reactivation of the lesion...
July 14, 2017: Eye
https://www.readbyqxmd.com/read/28707443/cardiac-transplant-vasculopathy
#7
EDITORIAL
Jonathan M Tobis
Transplant vasculopathy is a form of slowly progressive rejection. The interventional cardiologist plays an important role in maintaining survival of this precious commodity by performing PCI. Everolimus drug eluting stents are highly effective and have relatively low occurrence of in-stent restenosis, but transplant vasculopathy continues to progress in a diffuse pattern.
July 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28707212/automatic-evaluation-of-vessel-diameter-variation-from-2d-x-ray-angiography
#8
Faten M'hiri, Luc Duong, Christian Desrosiers, Nagib Dahdah, Joaquim Miró, Mohamed Cheriet
PURPOSE: Early detection of blood vessel pathologies can be made through the evaluation of functional and structural abnormalities in the arteries, including the arterial distensibility measure. We propose a feasibility study on computing arterial distensibility automatically from monoplane 2D X-ray sequences for both small arteries (such as coronary arteries) and larger arteries (such as the aorta). METHODS: To compute the distensibility measure, three steps were developed: First, the segment of an artery is extracted using our graph-based segmentation method...
July 13, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28704255/choroidal-vascular-hyperpermeability-as-a-predictor-of-treatment-response-for-polypoidal-choroidal-vasculopathy
#9
Yasuo Yanagi, Daniel S W Ting, Wei Yan Ng, Shu Yen Lee, Ranjana Mathur, Choi Mun Chan, Ian Yeo, Tien Yin Wong, Gemmy Chui Ming Cheung
PURPOSE: To investigate the influence of choroidal vascular hyperpermeability (CVH) and choroidal thickness on treatment outcomes in eyes with polypoidal choroidal vasculopathy (PCV) undergoing anti-vascular endothelial growth factor monotherapy or combination therapy of photodynamic therapy and anti-vascular endothelial growth factor injections. METHODS: The authors performed a prospective, observational cohort study involving 72 eyes of 72 patients with polypoidal choroidal vasculopathy (mean age 68...
July 12, 2017: Retina
https://www.readbyqxmd.com/read/28702676/prevalence-and-risk-factors-for-nonexudative-neovascularization-in-fellow-eyes-of-patients-with-unilateral-age-related-macular-degeneration-and-polypoidal-choroidal-vasculopathy
#10
Yasuo Yanagi, Aditi Mohla, Won-Ki Lee, Shu Yen Lee, Ranjana Mathur, Choi Mun Chan, Ian Yeo, Tien Yin Wong, Chui Ming Gemmy Cheung
Purpose: To determine the prevalence of subclinical nonexudative neovascularization and associated choroidal vascular changes in the fellow eyes of patients presenting with unilateral typical exudative AMD (tAMD) or polypoidal choroidal vasculopathy (PCV) using indocyanine green angiography (ICGA) and swept-source (SS) optical coherence tomography angiography (OCT-A). Methods: We recruited patients presenting with tAMD or PCV in a prospective clinical study. The diagnosis in the presenting eye was determined based on clinical, fluorescein angiography (FA), and ICGA findings...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28697497/one-year-outcomes-following-intravitreal-aflibercept-for-polypoidal-choroidal-vasculopathy-in-japanese-patients-the-apollo-study
#11
Yuji Oshima, Kenichi Kimoto, Noriko Yoshida, Kimihiko Fujisawa, Shozo Sonoda, Toshiaki Kubota, Toshinori Murata, Taiji Sakamoto, Shigeo Yoshida, Koh-Hei Sonoda, Tatsuro Ishibashi
PURPOSE: To evaluate 1-year outcomes of intravitreal injections of aflibercept (IVA) in Japanese polypoidal choroidal vasculopathy (PCV) patients. METHODS: In this prospective, open-label, single-arm multicenter clinical trial, treatment-naïve PCV patients received IVA (2.0 mg) every 2 months, after 3 initial monthly doses. The primary endpoint assessed was the proportion of patients maintaining baseline best-corrected visual acuity (BCVA) at 1 year. RESULTS: Fifty eyes with PCV were included in the study...
July 12, 2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/28693511/cardiac-findings-in-children-with-juvenile-dermatomyositis-at-disease-presentation
#12
Serdar Cantez, Gil J Gross, Ian MacLusky, Brian M Feldman
BACKGROUND: Juvenile Dermatomyositis (JDM) is a pediatric vasculopathy characterized primarily by skin and muscle involvement. Cardiac findings have been reported in children with JDM but have rarely been investigated in detail. METHODS: We aimed to describe the relevant clinical and laboratory cardiac findings of a cohort of patients with JDM, followed at one centre, at disease diagnosis. RESULTS: We performed a retrospective review of 105 patients with JDM, followed from 1991 to 2007...
July 11, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28691162/systemic-lupus-erythematosus-following-prodromal-idiopathic-thrombocytopenic-purpura-presenting-with-skin-lesions-resembling-malignant-atrophic-papulosis
#13
M P Wallace, J M Thomas, G Meligonis, T Ha
Systemic lupus erythematosus (SLE) is an autoimmune disease. Its incidence in the UK is approximately 1 per 10 000. Cutaneous involvement, encompassing acute, subacute and chronic disease, occurs in over two-thirds of cases, and can often be the first clue to diagnosis. We describe a highly unusual case of SLE occurring after prodromal idiopathic thrombocytopenic purpura (ITP) and presenting with skin lesions more typical of malignant atrophic papulosis, a rare and often fatal vasculopathy. Such a combination of rare features emphasizes the potential for complexity in this multisystem disease...
July 10, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28691010/management-of-chordoma-and-chondrosarcoma-with-fractionated-stereotactic-radiotherapy
#14
Harish N Vasudevan, David R Raleigh, Julian Johnson, Adam A Garsa, Philip V Theodosopoulos, Manish K Aghi, Christopher Ames, Michael W McDermott, Igor J Barani, Steve E Braunstein
OBJECTIVE: To evaluate the efficacy and toxicity of fractionated stereotactic radiotherapy (FSRT) for chordoma and chondrosarcoma. METHODS: Twenty consecutive patients with a histopathologic diagnosis of chordoma (n = 16) or chondrosarcoma (n = 4) treated between 2010 and 2016 were retrospectively identified. All patients underwent FSRT in five fractions to a median dose of 37.5 Gy (range: 25-40 Gy) and followed with serial magnetic resonance imaging...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/28688715/multiple-silent-brain-infarcts-are-associated-with-severer-stroke-in-patients-with-first-ever-ischemic-stroke-without-advanced-leukoaraiosis
#15
Da-Wei Chen, Yu-Xi Wang, Jin Shi, Wei-Qing Zhang, Fen Yang, Yan-Wei Yin, Lu-Na Ma
BACKGROUND: Silent brain infarct (SBI) is associated with symptomatic stroke, but the association between SBI and acute ischemic stroke severity is uncertain. We aimed at investigating the association between SBI number and stroke severity in patients with first-ever ischemic stroke without advanced leukoaraiosis. METHODS: This study included 115 patients with first-ever ischemic stroke without advanced leukoaraiosis. National Institutes of Health Stroke Scale (NIHSS) scores were measured...
July 5, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28686325/rnf213-variants-in-a-child-with-phace-syndrome-and-moyamoya-vasculopathy
#16
Kala F Schilter, Jack E Steiner, Wendy Demos, Mohit Maheshwari, Jeremy W Prokop, Elizabeth Worthey, Beth A Drolet, Dawn H Siegel
Segmental infantile hemangiomas (IH) can be associated with congenital anomalies in a regional distribution. PHACE refers to large cervicofacial segmental IH in association with congenital anomalies of the aortic arch and medium-sized arteries of the head and neck, as well as structural anomalies of the posterior fossa and eye. A subset of PHACE patients have arterial anomalies that progress to moyamoya vasculopathy (MMV). MMV is defined as stenosis of the supraclinoid segment of the internal carotid arteries and/or their major branches, with subsequent development of a compensatory collateral vessel network...
July 7, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28682040/-imaging-in-ckd
#17
Carlo Ratti, Laura Grassi, Emiliana Ferramosca, Paolo Raggi
Imaging has contributed to the successful reduction of cardiovascular morbidity and mortality in the general population and it has demonstrated excellent potential among patients with chronic kidney disease (CKD). The well-known severity of cardiovascular disease in patients suffering from CKD requires an accurate risk stratification of these patients in several clinical situations. Alterations of both structure and function of the myocardium as well as severe vasculopathy are highly prevalent in patients with advanced CKD...
March 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28681537/a-potential-contribution-of-psoriasin-to-vascular-and-epithelial-abnormalities-and-inflammation-in-systemic-sclerosis
#18
T Takahashi, Y Asano, T Yamashita, K Nakamura, R Saigusa, S Miura, Y Ichimura, T Toyama, M Hirabayashi, T Taniguchi, A Yoshizaki, S Sato
BACKGROUND: Antimicrobial peptides have attracted much attention as a member of disease-associated molecules in systemic sclerosis (SSc), which is pathologically characterized by immune abnormalities, vasculopathy, and tissue fibrosis. OBJECTIVE: To investigate the potential contribution of one of the anitimicrobial peptides psoriasin to the development of SSc. METHODS: Psoriasin expression in the skin samples and sera derived from SSc patients and its correlation with clinical parameters were analyzed...
July 6, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28680570/a-high-yield-isolation-and-enrichment-strategy-for-human-lung-microvascular-endothelial-cells
#19
Christa Gaskill, Susan M Majka
Vasculopathies, characterized by the formation of fragile and abnormal microvessels, are associated with the severity of many chronic lung diseases, including pulmonary fibrosis, emphysema/chronic obstructive pulmonary disease, systemic sclerosis, and hypertension. However, the study of human lung vasculature has been limited by the ability to isolate generous quantities of microvascular endothelial cells (MVEC) free from mesenchymal contamination. Expansion and passaging of primary human MVEC in vitro typically results in loss of a traditional phenotype in favor of an intermediate mesenchymal one, as early as passage five...
March 2017: Pulmonary Circulation
https://www.readbyqxmd.com/read/28676245/epidemiology-clinical-presentation-and-prognosis-of-posterior-circulation-ischemic-stroke-in-children
#20
Samantha Carey, Jens Wrogemann, Frances A Booth, Mubeen F Rafay
BACKGROUND: Anterior and posterior circulation strokes are often different in terms of presentation and recurrence risk, but there are few studies that focused on posterior circulation stroke. METHODS: We performed a longitudinal retrospective study of children, birth to 18 years, with posterior circulation ischemic stroke at the Children's Hospital Winnipeg from January 1992 to December 2012. Clinical and radiological features and outcomes were collected using standardized tools...
May 19, 2017: Pediatric Neurology
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