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https://www.readbyqxmd.com/read/28214384/placental-pathology-in-hiv-infection-at-term-a-comparison-with-hiv-uninfected-women
#1
Emma Kalk, Pawel Schubert, Julie A Bettinger, Mark F Cotton, Monika Esser, Amy Slogrove, Colleen A Wright
OBJECTIVES: To describe and correlate placental characteristics from pregnancies in HIV-infected and HIV-negative women with maternal and infant clinical and immunological data. METHODS: Prospective descriptive study of placentas from term, uncomplicated vaginal births in a cohort of HIV-infected (n=120) and HIV-negative (n=103) women in Cape Town, South Africa. Microscopic and macroscopic features were used to determine pathological cluster diagnoses. The majority of HIV-infected women received some form of drug treatment for the prevention of vertical transmission of HIV...
February 18, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28214147/simultaneous-idiopathic-bilateral-sudden-hearing-loss-characteristics-and-response-to-treatment
#2
Ferit Akil, Umur Yollu, Mehmet Yilmaz, H Murat Yener, Marlen Mamanov, Ender Inci
INTRODUCTION: The aetiology of sudden hearing loss is poorly defined; however, infectious, vascular and neoplastic aetiologies are presumed to be responsible. In addition, the aetiology of bilateral sudden hearing loss is also unknown. OBJECTIVE: The objective of this study is identify the characteristics and treatment response of simultaneous bilateral sudden hearing loss. METHODS: This is a case-control study that practised in tertiary care academic centre...
January 24, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28213995/thoracoscopic-division-of-vascular-rings
#3
Kevin M Riggle, Samuel E Rice-Townsend, John Ht Waldhausen
BACKGROUND/PURPOSE: Vascular rings are traditionally treated via an open thoracotomy. In recent years the use of thoracoscopy has increased. Herein we report our experience with thoracoscopic division of vascular rings in pediatric patients. METHODS: We reviewed all patients who underwent thoracoscopic or open division of a vascular ring at our institution between 2007 and 2015. We analyzed patient demographics, presenting symptoms, diagnostic imaging modality, ring anatomy, operative details, complications, and symptom resolution...
February 2, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28213903/specifics-of-fetuin-a-levels-in-distinct-types-of-chronic-heart-failure
#4
Michael Lichtenauer, Bernhard Wernly, Vera Paar, Ilonka Rohm, Christian Jung, Atilla Yilmaz, Uta C Hoppe, Paul Christian Schulze, Daniel Kretzschmar, Rudin Pistulli
INTRODUCTION: Fetuin-A has been described to correlate inversely with vascular calcification both in animal models but also in patients with heart and renal disease. In this current study, we sought to investigate whether fetuin-A might be a useful marker for the discrimination of ischemic (ICM) from dilated cardiomyopathy (DCM). METHODS: A total of 124 non-consecutive patients were included in this study, 59 patients suffered from ICM and 65 patients from DCM. Serum samples were obtained during out-patient visits and analyzed for fetuin-A by ELISA...
February 18, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28213002/a-phase-ii-trial-of-dovitinib-in-previously-treated-advanced-pleural-mesothelioma-the-ontario-clinical-oncology-group
#5
Scott A Laurie, Desiree Hao, Natasha B Leighl, John Goffin, Abderrahim Khomani, Ashish Gupta, Christina L Addison, Anita Bane, Jean Seely, Marc L Filion, Gregory R Pond, Mark N Levine
OBJECTIVES: Following failure of a platinum-antifolate combination regimen, there is no standard therapy for advanced malignant pleural mesothelioma (MPM). The fibroblast growth factor receptor (FGFR) signaling pathways may be a relevant target in MPM. Dovitinib inhibits multiple tyrosine receptor kinases, predominantly the vascular endothelial growth factor receptors (VEGFR), but also FGFRs, and could be active in MPM. METHODS: This open-label multicentre phase II trial [NCT01769547] enrolled fit, consenting adult patients with advanced MPM who had previously received platinum-antifolate combination chemotherapy and up to one additional line of systemic therapy...
February 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28212983/acircularity-index-and-axis-ratio-of-the-foveal-avascular-zone-in-diabetic-eyes-and-healthy-controls-measured-by-optical-coherence-tomography-angiography
#6
Brian D Krawitz, Shelley Mo, Lawrence S Geyman, Steven A Agemy, Nicole K Scripsema, Patricia M Garcia, Toco Y P Chui, Richard B Rosen
Given the complexity of the current system used to stage diabetic retinopathy (DR) and the risks and limitations associated with intravenous fluorescein angiography (IVFA), noninvasive quantification of DR severity is desirable. We examined the utility of acircularity index and axis ratio of the foveal avascular zone (FAZ), metrics that can noninvasively quantify the severity of diabetic retinopathy without the need for axial length to correct for individual retinal magnification. A retrospective review was performed of type 2 diabetics and age-matched controls imaged with optical coherence tomography angiography (OCTA)...
February 14, 2017: Vision Research
https://www.readbyqxmd.com/read/28212878/evaluation-of-macular-vascular-abnormalities-identified-by-optical-coherence-tomography-angiography-in-sickle-cell-disease
#7
Ian C Han, Mongkol Tadarati, Katia D Pacheco, Adrienne W Scott
PURPOSE: To evaluate macular vascular flow abnormalities identified by optical coherence tomography angiography (OCT-A) in patients with various sickle cell genotypes. DESIGN: Prospective, observational case series. METHODS: This is a single institution case series of adult patients with various sickle cell genotypes. All patients underwent macular OCT-A (Avanti RTVue XR, Optovue Inc, Fremont, CA). Images were analyzed qualitatively for areas of flow loss and quantitatively for measures of foveal avascular area, parafoveal flow, and vascular density...
February 14, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28212814/human-striatal-dopaminergic-and-regional-serotonergic-synaptic-degeneration-with-lewy-body-disease-and-inheritance-of-apoe-%C3%AE%C2%B54
#8
Nadia Postupna, Caitlin S Latimer, Eric B Larson, Emily Sherfield, Julie Paladin, Carol A Shively, Matthew J Jorgensen, Rachel N Andrews, Jay R Kaplan, Paul K Crane, Kathleen S Montine, Suzanne Craft, C Dirk Keene, Thomas J Montine
Cognitive impairment in older individuals is a complex trait that in population-based studies most commonly derives from an individually varying mixture of Alzheimer disease, Lewy body disease, and vascular brain injury. We investigated the molecular composition of synaptic particles from three sources: consecutive rapid autopsy brains from the adult changes in thought study, a population-based cohort; four aged nonhuman primate brains optimally processed for molecular investigation; and targeted replacement transgenic mice homozygous for APOE ε4...
February 14, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28212586/effects-of-resistance-band-exercise-on-vascular-activity-and-fitness-in-older-adults
#9
Mark F Smith, Mistrelle Ellmore, Geoff Middleton, Paul M Murgatroyd, Thomas I Gee
This study investigated the effects of a low to moderately intense resistance-band exercise intervention on cutaneous microvascular function in an older population. 18 sedentary healthy participants (age: 58±5) were assessed for their upper and lower-limb endothelial cutaneous vascular conductance using laser Doppler fluximetry with endothelial-dependent (80 μl acetylcholine chloride), and -independent vasodilation (80 μl sodium nitroprusside). In addition, participants underwent a range of functional assessments (cardiopulmonary fitness, strength, flexibility), and completed a perceived quality of life questionnaire...
February 17, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28211642/biomechanical-strain-exacerbates-inflammation-on-a-progeria-on-a-chip-model
#10
João Ribas, Yu Shrike Zhang, Patrícia R Pitrez, Jeroen Leijten, Mario Miscuglio, Jeroen Rouwkema, Mehmet Remzi Dokmeci, Xavier Nissan, Lino Ferreira, Ali Khademhosseini
Organ-on-a-chip platforms seek to recapitulate the complex microenvironment of human organs using miniaturized microfluidic devices. Besides modeling healthy organs, these devices have been used to model diseases, yielding new insights into pathophysiology. Hutchinson-Gilford progeria syndrome (HGPS) is a premature aging disease showing accelerated vascular aging, leading to the death of patients due to cardiovascular diseases. HGPS targets primarily vascular cells, which reside in mechanically active tissues...
February 17, 2017: Small
https://www.readbyqxmd.com/read/28211610/fibroid-vascularisation-assessed-with-three-dimensional-power-doppler-ultrasound-is-a-predictor-for-uterine-fibroid-growth-a-prospective-cohort-study
#11
L L Nieuwenhuis, A L Keizer, B Stoelinga, J W R Twisk, W J K Hehenkamp, H A M Brölmann, J A F Huirne
OBJECTIVE: To analyse fibroid vascularisation measured with 3D Power Doppler in relation to absolute fibroid volume change during 12 months follow up and in relation to fibroid growth rate per year DESIGN: A prospective cohort study was performed between March 2012 and March 2014. SETTING: Outpatient clinic of the VU medical centre, Amsterdam. POPULATION OR SAMPLE: All premenopausal women diagnosed with a maximum of 2 fibroids with expectative management were consecutively included...
February 17, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28211486/motor-phenotype-is-not-associated-with-vascular-dysfunction-in-symptomatic-huntington-s-disease-transgenic-r6-2-160-cag-mice
#12
A Di Pardo, A Carrizzo, A Damato, S Castaldo, E Amico, L Capocci, M Ambrosio, F Pompeo, C De Sanctis, C C Spinelli, A A Puca, P Remondelli, V Maglione, C Vecchione
Whereas Huntington's disease (HD) is unequivocally a neurological disorder, a critical mass of emerging studies highlights the occurrence of peripheral pathology like cardiovascular defects in both animal models and humans. The overt impairment in cardiac function is normally expected to be associated with peripheral vascular dysfunction, however whether this assumption is reasonable or not in HD is still unknown. In this study we functionally characterized the vascular system in R6/2 mouse model (line 160 CAG), which recapitulates several features of human pathology including cardiac disease...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211310/morphologic-and-doppler-findings-from-hepatic-ultrasonography-of-normal-cynomolgus-monkeys-macaca-fascicularis
#13
Kyo Won Lee Chan Woo Cho Ji Eun Lee Hyojun Park Gyu-Seong Choi Woo Kyoung Jeong Jae Berm Park And Sungjoo Kim
The present study evaluated the anatomic and ultrasonographic features of the liver in normal cynomolgus monkeys (Macacafascicularis). Healthy, male, cynomolgus monkeys from Cambodia (n = 25; mean age, 58.1 mo) were sedated with ketamine (7mg/kg) and examined by using 2D and Doppler ultrasonography. We measured the diameters of the vascular structures and bile duct, determined the velocities of the hepatic artery and portal vein, and calculated the resistance index of the hepatic artery. Vessel diameters were: proper hepatic artery, 1...
February 16, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28211261/early-microvascular-retinal-changes-in-optical-coherence-tomography-angiography-in-patients-with-type-1-diabetes-mellitus
#14
Joseph M Simonett, Fabio Scarinci, Fabiana Picconi, Paola Giorno, Daniele De Geronimo, Antonio Di Renzo, Monica Varano, Simona Frontoni, Mariacristina Parravano
PURPOSE: Diabetic retinopathy (DR) can lead to significant vision loss and blindness and has a particularly high prevalence in patients with type 1 diabetes (DM1). In this study, we investigate quantitative differences in optical coherence tomography angiography (OCTA) data between DM1 patients with no or mild signs of retinopathy and non-diabetic subjects. METHODS: Optical coherence tomography angiography (OCTA) imaging was performed on DM1 patients with no or mild nonproliferative diabetic retinopathy and healthy, age-matched controls...
February 16, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28211168/the-medtronic-micro-vascular-plug%C3%A2-for-vascular-embolization-in-children-with-congenital-heart-diseases
#15
Shyam Sathanandam, Henri Justino, B Rush Waller, Srinath T Gowda, Wolfgang Radtke, Athar M Qureshi
OBJECTIVES: To describe the early multi-center, clinical experience with the Medtronic Micro Vascular Plug™ (MVP) in children with congenital heart disease (CHD) undergoing vascular embolization. BACKGROUND: The MVP is a large diameter vascular occlusion device that can be delivered through a microcatheter for embolization of abnormal blood vessels. METHODS: A retrospective review of embolization procedures using the MVP in children with CHD was performed in 3-centers...
February 16, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28210804/ankle-valgus-following-non-vascularized-fibular-grafts-in-children-an-outcome-evaluation-minimum-two%C3%A2-years-after-fibular-harvest
#16
Anil Agarwal, Deepak Kumar, Nargesh Agrawal, Neeraj Gupta
BACKGROUND: The literature on ankle valgus development after procuring non-vascularised fibular grafts in children is still scanty. The non-vascularised fibular graft has distinction of fibular regeneration occurring at the donor site. MATERIAL AND METHODS: We retrospectively analysed the valgus deformities at the donor leg following harvest of non-vascularised fibular graft to determine the various contributing factors in growing children. All these patients had minimum two years post index procedure follow up...
February 16, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28210801/patient-radiation-doses-and-reference-levels-in-pediatric-interventional-radiology
#17
Bouchra Habib Geryes, Adeline Bak, Julie Lachaux, Augustin Ozanne, Nathalie Boddaert, Francis Brunelle, Olivier Naggara, Guillaume Saliou
OBJECTIVES: To describe, in a multicentric paediatric population, reference levels (RLs) for three interventional radiological procedures. METHODS: From January 2012 to March 2015, children scheduled for an interventional radiological procedure in two French tertiary centres were retrospectively included and divided into four groups according to age: children younger than 2 years (A1), aged 2-7 years (A5), 8-12 years (A10) and 13-18 years (A15). Three procedures were identified: cerebral digital subtraction angiography (DSA), brain arteriovenous malformation (bAVM) embolization, and head and neck superficial vascular malformation (SVM) percutaneous sclerotherapy...
February 16, 2017: European Radiology
https://www.readbyqxmd.com/read/28210706/single-balloon-enteroscopy-efficacy-and-degree-of-concordance-with-noninvasive-evaluation-of-small-bowel
#18
Margarida Marques, João Antunes, Rosa Coelho, Hélder Cardoso, Filipe Vilas Boas, Armando Ribeiro, Guilherme Macedo
Background and study aims Clinical impact of single-balloon enteroscopy (SBE) is fairly known, as well as its diagnostic yield comparing with other small bowel gastrointestinal investigations. This study represents a contribution to better understand it and is designed to evaluate SBE efficacy and degree of concordance with previous evaluation of small bowel. Patients and methods This is a single-center retrospective study of patients that underwent SBE with suspected small bowel disease based on non-invasive imaging...
February 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28210489/arterial-ventricular-coupling-and-parameters-of-vascular-stiffness-in-hypertensive-patients-role-of-gender
#19
Luca Faconti, Rosa Maria Bruno, Simona Buralli, Marta Barzacchi, Elisa Dal Canto, Lorenzo Ghiadoni, Stefano Taddei
OBJECTIVE: Non-invasive estimation of arterial-ventricular coupling has been extensively used for the evaluation of cardiovascular performance, however, a relative small amount of data is available regarding arterial-ventricular coupling and its components in hypertension. The present study was designed to investigate the relationship between left ventricular elastance, arterial elastance, parameters of vascular stiffness and the influence of gender in a population of hypertensive individuals...
January 2017: JRSM Cardiovascular Disease
https://www.readbyqxmd.com/read/28209985/ig-like-domain-6-of-vcam-1-is-a-potential-therapeutic-target-in-tnf%C3%AE-induced-angiogenesis
#20
Taek-Keun Kim, Chang Sik Park, Hee-Jun Na, Kangseung Lee, Aerin Yoon, Junho Chung, Sukmook Lee
Tumor necrosis factor alpha (TNFα)-induced angiogenesis plays important roles in the progression of various diseases, including cancer, wet age-related macular degeneration, and rheumatoid arthritis. However, the relevance and role of vascular cell adhesion molecule-1 (VCAM-1) in angiogenesis have not yet been clearly elucidated. In this study, VCAM-1 knockdown shows VCAM-1 involvement in TNFα-induced angiogenesis. Through competitive blocking experiments with VCAM-1 Ig-like domain 6 (VCAM-1-D6) protein, we identified VCAM-1-D6 as a key domain regulating TNFα-induced vascular tube formation...
February 17, 2017: Experimental & Molecular Medicine
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