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Diabetic vasculopathy

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https://www.readbyqxmd.com/read/27865316/soft-tissue-reconstruction-pyramid-for-the-diabetic-charcot-foot
#1
REVIEW
Claire M Capobianco, Thomas Zgonis
Foot and ankle ulcerations in patients with diabetic Charcot neuroarthropathy (DCN) occur frequently and can be challenging to address surgically when conservative care fails. Patients with acute or chronic diabetic foot ulcers (DFU) are at continued risk for development of osteomyelitis, septic arthritis, gas gangrene, and potential lower extremity amputation. Concurrent vasculopathy and peripheral neuropathy as well as uncontrolled medical comorbidities complicate the treatment approach. In addition, pathomechanical forces left untreated may contribute to DFU recurrence in this patient population...
January 2017: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/27862865/long-term-clinical-and-angiographic-outcomes-of-percutanenous-coronary-intervention-with-everolimus-eluting-stents-for-the-treatment-of-cardiac-allograft-vasculopathy
#2
Richard Cheng, Christopher Vanichsarn, Jignesh K Patel, Jesse Currier, David H Chang, Michelle M Kittleson, Raj Makkar, Jon A Kobashigawa, Babak Azarbal
BACKGROUND: Percutaneous coronary intervention (PCI) with bare-metal and first-generation drug-eluting stents (DES) for cardiac allograft vasculopathy (CAV) is associated with unexpectedly high restenosis rates and target lesion revascularization (TLR). Long-term outcomes of stenting for CAV using second-generation everolimus-eluting stents (EES) are not established. OBJECTIVE: To evaluate clinical and angiographic outcomes of CAV stenting with EES. METHODS: Patients who underwent PCI with EES for CAV were studied...
November 10, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/27856609/ppar%C3%AE-is-required-for-exercise-to-attenuate-endoplasmic-reticulum-stress-and-endothelial-dysfunction-in-diabetic-mice
#3
Wai San Cheang, Wing Tak Wong, Lei Zhao, Jian Xu, Li Wang, Chi Wai Lau, Zhen Yu Chen, Ronald Ching Wan Ma, Aimin Xu, Nanping Wang, Xiao Yu Tian, Yu Huang
Physical activity has profound benefits on health especially cardiometablic wellness. Experiments on rodents with trained exercise showed that exercise improves vascular function and reduces vascular inflammation by modulating the balance between nitric oxide (NO) and oxidative stress. However, it is unclear what is the upstream regulator of exercise-induced vascular benefits. We aim to investigate the involvement of peroxisome proliferator-activated receptor δ (PPARδ) in exercise-induced vascular functional improvement...
November 17, 2016: Diabetes
https://www.readbyqxmd.com/read/27814624/micrornas-in-control-of-gene-regulatory-programs-in-diabetic-vasculopathy
#4
Chongzhe Pei, Xiaoping Zhang, Shu Meng, Yigang Li
Diabetes is generally associated with vasculopathy, which contains both microvascular and macrovascular complications, associated with high morbidity and mortality. Currently, despite interventional therapy, the overall prognosis for patients with diabetic vasculopathy remains unsatisfactory. Angiogenesis and vascular injury and repair are associated with a variety of cells. However, the molecular mechanisms of the cells that are involved in pathogenesis of diabetic vasculopathy remain largely unknown. As novel molecules, microRNAs (miRs) take part in regulating protein-coding gene expression at the post-transcriptional level, and contribute to the pathogenesis of various types of chronic metabolism disease, especially diabetic vasculopathy...
January 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/27814594/cardiac-allograft-vasculopathy-microvascular-arteriolar-capillaries-capioles-and-survival
#5
Carlos A Labarrere, Beate R Jaeger, Ghassan S Kassab
Cardiac allograft vasculopathy (CAV) is a serious complication of heart transplantation in adults and children. Risk factors include human leukocyte antigen mismatches, number and duration of rejection episodes, type of immunosuppression, antibody-mediated rejection, hypertension, hyperlipidemia, obesity, smoking, diabetes, cytomegalovirus infection, mode of donor brain death, donor age and ischemia/reperfusion injury. Endothelial injury and dysfunction in CAV are characterized by changes in adhesion molecules and up-regulation of major histocompatibility class II antigens followed by endothelial activation of complement C4d...
January 1, 2017: Frontiers in Bioscience (Elite Edition)
https://www.readbyqxmd.com/read/27784525/cutaneous-collagenous-vasculopathy-associated-benign-pigmented-purpura
#6
Warren R Heymann
A 68-year-old woman presented with an asymptomatic eruption predominantly on the proximal pretibial region of the right lower extremity, which had been present for many months. Her medical history was remarkable for diabetes and hypothyroidism. Physical examination demonstrated "cayenne pepper"-like brown macules, scattered petechiae, and multiple minute, blanching telangiectasias (Figure 1) that were more evident on dermatoscopy (Figure 2). The clinical differential diagnosis included a benign pigmented purpura (BBP; Schamberg type), telangiectasia macularis eruptiva perstans, cutaneous T-cell lymphoma, essential telangiectasia, and cutaneous collagenous vasculopathy (CCV)...
2016: Skinmed
https://www.readbyqxmd.com/read/27751995/renal-transplantation-assessment-of-at-risk-diabetic-foot-and-recommendations-for-mitigation
#7
O P Prajapati, A K Verma, R K Sharma, M Sabaretnam
We conducted a prospective study (between November 2013 and January 2015) to identify "foot at risk" in the diabetic renal transplant patients at a Tertiary Care Hospital in India. Patients (151) were divided into three groups: diabetic transplant recipients (n = 42), new onset diabetes after transplantation (NODAT) (n = 59), and controls (nondiabetic renal transplant recipients) (n = 50). Foot neuropathy and vasculopathy were assessed by standard methods. Patients with "at risk" feet were given foot care advice...
September 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27720313/-surgical-complications-of-renal-transplantation
#8
M-O Timsit, F Kleinclauss, V Richard, R Thuret
OBJECTIVE: To report the nature, incidence, diagnosis and treatment options of surgical complications after renal transplantation. MATERIAL AND METHODS: Relevant publications were identified through Medline (http://www.ncbi.nlm.nih.gov/) and Embase (http://www.embase.com/) database from 1960 to 2016 using the following keywords "fistula; lymphocele; stricture; thrombosis", in association with "renal transplantation" in Title/Abstract field. Articles were selected according to methods, language of publication and relevance...
October 5, 2016: Progrès en Urologie
https://www.readbyqxmd.com/read/27697870/prevalence-discomfort-and-self-relief-behaviours-of-painful-diabetic-neuropathy-in-taiwan-a-cross-sectional-study
#9
Sui-Whi Jane, Ming-Shyan Lin, Wen-Nan Chiu, Randal D Beaton, Mei-Yen Chen
OBJECTIVES: To explore the prevalence, discomfort, and self-relief behaviours of painful diabetic neuropathy (PDN) among rural community residents with type 2 diabetes. DESIGN: A community-based, cross-sectional study. SETTING: This study was part of a longitudinal cohort study of a nurse-led health promotion programme for preventing foot ulceration in Chiayi County, Taiwan. PARTICIPANTS: Six hundred and twenty-eight community adults with type 2 diabetes participated in this study...
October 3, 2016: BMJ Open
https://www.readbyqxmd.com/read/27678201/aqueous-humour-concentrations-of-tgf-%C3%AE-plgf-and-fgf-1-and-total-retinal-blood-flow-in-patients-with-early-non-proliferative-diabetic-retinopathy
#10
Lee-Anne Khuu, Faryan Tayyari, Jeremy M Sivak, John G Flanagan, Shaun Singer, Michael H Brent, David Huang, Ou Tan, Christopher Hudson
PURPOSE: To correlate angiogenic cytokines in the aqueous humour with total retinal blood flow in subjects with type 2 diabetes with non-proliferative diabetic retinopathy (NPDR). METHODS: A total of 17 controls and 16 NPDR patients were recruited into the study. Aqueous humour was collected at the start of cataract surgery to assess the concentration of 14 angiogenic cytokines. Aqueous humour was analysed using the suspension array method. Six images were acquired to assess total retinal blood flow (TRBF) using the prototype RTVue(™) Doppler Fourier domain optical coherence tomography (Doppler FD-OCT) (Optovue, Inc...
September 28, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27662892/single-stage-bipedicle-local-tissue-transfer-and-skin-graft-for-achilles-tendon-surgery-wound-complications
#11
Travis J Dekker, Yash Avashia, Suhail K Mithani, Andrew P Matson, Alexander J Lampley, Samuel B Adams
: Introduction Achilles tendon and posterior heel wound complications are difficult to treat. These typically require soft tissue coverage via microvascular free tissue transfer at a tertiary referral center. Here, we describe coverage of a series of posterior heel and Achilles wounds via simple, local tissue transfer, called a bipedicle fasciocutaneous flap. This flap can be performed by an orthopaedic foot and ankle surgeon, without resources of tertiary/specialized care or microvascular support...
September 23, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27648880/effects-of-hydroxytyrosol-on-cardiovascular-biomarkers-in-experimental-diabetes-mellitus
#12
Juan Antonio López-Villodres, Miriam Abdel-Karim, José Pedro De La Cruz, María Dolores Rodríguez-Pérez, José Julio Reyes, Rocío Guzmán-Moscoso, Guillermo Rodriguez-Gutierrez, Juan Fernández-Bolaños, José Antonio González-Correa
The aim of this study was to assess the influence of hydroxytyrosol (HT) on cardiovascular biomarkers and morphometric parameters of the arterial wall in streptozotocin-diabetic rats. Seven groups of rats (N=10 per group) were studied for 2 months: nondiabetic rats (NDR), diabetic rats treated with saline (DR) and DR treated with HT (0.5, 1, 2.5, 5 and 10 mg kg(-1) day(-1) p.o.). DR had higher platelet aggregation values, higher thromboxane B2, plasma lipid peroxidation, 3-nitrotyrosine, oxidized LDL (oxLDL), myeloperoxidase, vascular cell adhesion molecule 1 (VCAM-1) and interleukin-1β (IL-1β) concentrations, and lower aortic 6-keto-prostaglandin F1α and nitric oxide production than NDR...
August 26, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27613156/mesenchymal-stem-cells-conditioned-media-ameliorates-diabetic-endothelial%C3%A2-dysfunction%C3%A2-by-improving-mitochondrial-bioenergetics-via-the-sirt1-ampk-pgc-1%C3%AE-pathway
#13
Yujia Yuan, Meimei Shi, Lan Li, Jingping Liu, Bo Chen, Younan Chen, Xingxing An, Shuyun Liu, Ruixi Luo, Dan Long, Wengeng Zhang, Philip Newsholme, Jingqiu Cheng, Yanrong Lu
Vasculopathy is a major complication of diabetes. Impaired mitochondrial bioenergetics and biogenesis due to oxidative stress is a critical causal factor for diabetic endothelial dysfunction. Sirt1, a NAD(+)-dependent enzyme, is known to play an important protective role through deacetylation of many substrates involved in oxidative phosphorylation and reactive oxygen species (ROS) generation. Conditioned medium from mesenchymal stem cells (MSCs-CM) has emerged as a promising cell-free therapy due to the trophic actions of MSCs secreted molecules...
September 9, 2016: Clinical Science (1979-)
https://www.readbyqxmd.com/read/27592246/moyamoya-syndrome-causing-stroke-in-young-women-with-type-1-diabetes
#14
Jing W Hughes, Jennifer A Wyckoff, Abby S Hollander, Colin P Derdeyn, Janet B McGill
CONTEXT: Moyamoya syndrome is an idiopathic brain vasculopathy characterized by stenosis of major intracranial arteries. It often presents in patients with type 1 diabetes or thyroid disease and may have an autoimmune etiology. Moyamoya-related stroke poses a diagnostic challenge as initial symptoms and deficits vary greatly from classic ischemic stroke to encephalopathy, psychiatric, or seizure disorder. CASE DESCRIPTION: We report 4 patients with type 1 diabetes and other autoimmune diseases who developed moyamoya-related stroke at a young age...
November 2016: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/27591403/redox-signaling-in-cardiovascular-pathophysiology-a-focus-on-hydrogen-peroxide-and-vascular-smooth-muscle-cells
#15
Chang Hyun Byon, Jack M Heath, Yabing Chen
Oxidative stress represents excessive intracellular levels of reactive oxygen species (ROS), which plays a major role in the pathogenesis of cardiovascular disease. Besides having a critical impact on the development and progression of vascular pathologies including atherosclerosis and diabetic vasculopathy, oxidative stress also regulates physiological signaling processes. As a cell permeable ROS generated by cellular metabolism involved in intracellular signaling, hydrogen peroxide (H2O2) exerts tremendous impact on cardiovascular pathophysiology...
October 2016: Redox Biology
https://www.readbyqxmd.com/read/27590952/maternal-complications-in-pregnancy-with-diabetes
#16
Vidushi Kulshrestha, Nutan Agarwal
Maternal complications of diabetes in pregnancy include obstetric complications such as pre-eclampsia, preterm labour, polyhydramnios, increased operative delivery and increased infective morbidity. These can be minimized with optimal glycaemic control. Additionally, pregnancies with overt/pregestational diabetes may have diabetes related complications such as hypoglycaemia, worsening of retinopathy, nephropathy and diabetic ketoacidosis. Women with pre-existing diabetic vasculopathy should be managed with multi-disciplinary approach with maternal and foetal surveillance to detect any deterioration...
September 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27582159/maternal-complications-in-pregnancy-with-diabetes
#17
Vidushi Kulshrestha, Nutan Agarwal
Maternal complications of diabetes in pregnancy include obstetric complications such as pre-eclampsia, preterm labour, polyhydramnios, increased operative delivery and increased infective morbidity. These can be minimized with optimal glycaemic control. Additionally, pregnancies with overt/pregestational diabetes may have diabetes related complications such as hypoglycaemia, worsening of retinopathy, nephropathy and diabetic ketoacidosis. Women with pre-existing diabetic vasculopathy should be managed with multi-disciplinary approach with maternal and foetal surveillance to detect any deterioration...
September 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27567684/protection-of-kinsenoside-against-ages-induced-endothelial-dysfunction-in-human-umbilical-vein-endothelial-cells
#18
Qing Liu, Ai-Min Qiao, Li-Tao Yi, Zhen-Ling Liu, Shi-Mei Sheng
AIMS: Kinsenoside is the major ingredient of Anoectochilus roxburghii which is a traditional Chinese herb using for the treatment of diabetes. The present study investigated the safety and vascular protection of kinsenoside related to advanced glycation end products (AGEs) in human umbilical vein endothelial cells (HUVECs) and the underlying mechanisms. MATERIALS AND METHODS: HUVECs were pre-incubated with AGEs (200μg/mL) for 1h, and then co-treated with different concentrations of kinsenoside (10-30μg/mL) for another 48h...
October 1, 2016: Life Sciences
https://www.readbyqxmd.com/read/27519944/lectin-like-oxidized-low-density-lipoprotein-receptor-lox-1-in-sickle-cell-disease-vasculopathy
#19
Mingyi Chen, Hong Qiu, Xin Lin, David Nam, Lucy Ogbu-Nwobodo, Hannah Archibald, Amelia Joslin, Ted Wun, Tatsuya Sawamura, Ralph Green
Lectin-like oxidized low-density lipoprotein (LDL) receptor-1 (LOX-1) is an endothelial receptor for oxidized LDL. Increased expression of LOX-1 has been demonstrated in atherosclerotic lesions and diabetic vasculopathy. In this study, we investigate the expression of LOX-1 receptor in sickle cell disease (SCD) vasculopathy. Expression of LOX-1 in brain vascular endothelium is markedly increased and LOX-1 gene expression is upregulated in cultured human brain microvascular endothelial cells by incubation with SCD erythrocytes...
September 2016: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/27510582/original-research-potential-ocular-protection-and-dynamic-observation-of-polygonatum-sibiricum-polysaccharide-against-streptozocin-induced-diabetic-rats-model
#20
Yi Wang, Shucun Qin, Guoqing Pen, Di Chen, Chao Han, Chunrun Miao, Baojin Lu, Chao Su, Shanlong Feng, Wen Li, Jingjing Han, Nam C Cho, Yanhong Si
Ocular complications associated with diabetes mellitus are progressive and becoming one of the most important causes of morbidity worldwide. The purpose of the study is to evaluate the protective effect of Polygonatum sibiricum polysaccharide, an important component of Polygonatum sibiricum, on ocular complications in streptozotocin-induced diabetes mellitus rats. Sprague Dawley rats were made diabetic with streptozotocin(60 mg/kg, i.v.) and then the rats were treated with Polygonatum sibiricum polysaccharide 200, 400 and 800 mg/kg...
January 2017: Experimental Biology and Medicine
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