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Vascular Aging

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https://www.readbyqxmd.com/read/28749302/squamous-cell-carcinoma-in-two-snow-leopards-uncia-uncia-with-unusual-auricular-presentation
#1
Benoît Quintard, Eva Maria Greunz, Brice Lefaux, Karin Lemberger, Antoine Leclerc
Squamous cell carcinoma (SCC) is well documented in snow leopards ( Uncia uncia ) and most common locations are oral, facial, or pedal. These two cases illustrate an unusual auricular presentation, which is more often reported in white domestic cats. The animals were aged and presented clinical signs of otitis such as head shaking and ear scratching. Clinical examinations showed auricular canal masses with chronic purulent otitis. In both cases, clinical deterioration led to euthanasia and histology of the ear canal was consistent with SCC and showed numerous vascular emboli...
June 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28749280/attempted-surgical-correction-of-a-persistent-right-fourth-aortic-arch-in-a-juvenile-rothschild-s-giraffe-giraffa-camelopardalis-rothschildi
#2
Lynnette Waugh, Jennifer D'Agostino, Gretchen A Cole, Alicia Hahn, Mark Rochat, Mee Ja M Sula
A 5-mo-old female Rothschild's giraffe ( Giraffa camelopardalis rothschildi) presented for regurgitation. Esophagoscopy at 24 wk of age revealed a markedly dilated cranial esophagus with a tight stricture at the level of the heart base consistent with a vascular ring anomaly. Surgical exploration confirmed persistent right fourth aortic arch with ductus originating from left subclavian artery at its junction with the aorta and left subclavian artery. The patent ductus arteriosus was surgically ligated. The procedure was complicated by limited surgical access and vascular friability resulting in uncontrollable hemorrhage, and the animal was euthanatized...
June 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28749108/snp-and-haplotype-analysis-of-vascular-endothelial-growth-factor-vegf-gene-in-lung-cancer-patients-of-kashmir
#3
Niyaz A Naikoo, Dil Afroze, Roohi Rasool, Sonaullah Shah, A G Ahangar, Imtiyaz A Bhat, Iqbal Qasim, Mushtaq A Siddiqi, Zafar A Shah
Vascular endothelial growth factor (VEGF) is a major mediator of angiogenesis involving tumor growth and metastasis. In this large case-control study, we investigated whether functional polymorphisms (+405C>G, +936C>T) in the VEGF gene are associated with the risk of lung cancer. The study investigates the association between variants of VEGF gene and lung cancer. We performed single nucleotide polymorphism (SNP), haplotype and linkage disequilibrium studies on 100 patients and 128 healthy controls with 2 SNPs in the VEGF gene...
July 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28748988/-characterization-of-patients-with-sporadic-colorectal-cancer-following-the-new-consensus-molecular-subtypes-cms
#4
Ana María Wielandt, Cynthia Villarroel, Claudia Hurtado, Daniela Simian, Diego Zamorano, Maripaz Martínez, Magdalena Castro, María Teresa Vial, Udo Kronberg, Francisco López-Kostner
BACKGROUND: Colorectal cancer (CRC) is an heterogeneous disease. Three carcinogenic pathways determine its molecular profile: microsatellite instability (MSI), chromosomal instability (CIN) and CpG island methylator phenotype (CIMP). Based on the new molecular classification, four consensus CRC molecular subtypes (CMS) are established, which are related to clinical, pathological and biological characteristics of the tumor. AIM: To classify Chilean patients with sporadic CRC according to the new consensus molecular subtypes of carcinogenic pathways...
April 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28748974/cranberries-improve-postprandial-glucose-excursions-in-type-2-diabetes
#5
Jace Schell, Nancy M Betts, Megan Foster, R Hal Scofield, Arpita Basu
Recent research supports a favorable role of cranberries on cardiometabolic health. Postprandial metabolism, especially hyperglycemia, has been shown to be an independent cardiovascular risk and few clinical studies have reported the role of berries in improving postprandial dysmetabolism. We investigated the postprandial effects of dried cranberries following a high-fat breakfast challenge in obese participants with type 2 diabetes (T2DM), in a randomized crossover trial. Blood draw and vascular measurements were conducted at fasting, 1, 2 and 4 hours (h), following the consumption of a fast-food style high-fat breakfast (70 g fat, 974 kcal) with or without cranberries (40 g)...
July 27, 2017: Food & Function
https://www.readbyqxmd.com/read/28748887/nondiabetic-renal-disease-in-patients-with-type-2-diabetes
#6
Ikram Mami, Amel Harzallah, Hayet Kaaroud, Raja Aoudia, Fethi Ben Hamida, Rim Goucha, Taieb Ben Abdallah
Diabetic nephropathy (DN) is one of the major complications of type 2 diabetes mellitus (T2DM). The diagnosis of DN is mostly clinical. Kidney biopsy is indicated only if nondiabetic renal disease (NDRD) is suspected. This study is aimed to assess the prevalence of NDRD and to determine predictor and prognostic factors of DN, NDRD. It was a retrospective analytic study including T2DM patients in whom renal biopsies were performed at our department from 1988 to 2014. Seventy-five patients were included. Mean age was 52...
July 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28748886/clinical-and-histological-correlation-of-diabetic-nephropathy
#7
Tameem Afroz, Radha Sagar, Sandeep Reddy, Sridhar Gandhe, K G Rajaram
Renal failure in diabetes is a common cause of renal replacement therapy. The affected kidney goes through various changes in all compartments progressively. The classification of diabetic nephropathy is based on glomerular lesions and displays a heterogeneous morphology. Abnormalities in tubulointerstitial and vascular compartments are important in assessing the outcome of these patients. We applied the new pathologic classification of diabetic nephropathy by Tervaert et al to classify the renal damage in diabetes...
July 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28748884/association-between-age-and-cardiovascular-status-by-echosonography-in-asymptomatic-predialysis-patients-with-chronic-kidney-disease
#8
Biserka Tirmenstajn-Jankovic, Nada Dimkovic, Zoran Radojicic, Dusan Bastac, Milenko Zivanovic, Svetlana Zikic
Age is an important risk factor for cardiovascular disease in the general population and in dialysis patients. The aim of this study is to investigate the influence of age on the cardiovascular status of asymptomatic predialysis patients with chronic kidney disease (CKD). Echocardiography and carotid ultrasound were performed in 61 patients with CKD stages 4-5, who were divided by age into two groups: group 1 (≥65 years, n = 31) and group 2 (<65 years, n = 30). Data were compared with those of control group (≥65 years, n = 20)...
July 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28748256/bioresorbable-vascular-scaffolds-in-interventional-neuroradiology
#9
Anil Arat, Ergun Daglioglu, Ilkay Akmangit, Ahmet Peker, Murat Arsava, Mehmet Akif Topcuoglu, Deniz Belen
PURPOSE: Bioresorbable vascular scaffolds (BVS) have changed practice patterns in cardiology. These resorbable stents have not yet been utilized in the cerebrovascular circulation. We report the initial experiences with these devices in interventional neuroradiology. METHODS: A retrospective review of clinical presentations, imaging findings and follow-up results of all patients treated using a BVS by our neurovascular team was carried out using hospital electronic charts and the hospital radiographic archive system...
July 26, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28747453/serum-matrix-metalloproteinase-9-levels-and-prognosis-of-acute-ischemic-stroke
#10
Chongke Zhong, Jingyuan Yang, Tan Xu, Tian Xu, Yanbo Peng, Aili Wang, Jinchao Wang, Hao Peng, Qunwei Li, Zhong Ju, Deqin Geng, Yonghong Zhang, Jiang He
OBJECTIVE: To examine the association between serum matrix metalloproteinases-9 (MMP-9) levels and prognosis of acute ischemic stroke. METHODS: We measured serum MMP-9 levels in 3,186 participants (2,008 men and 1,178 women) from the China Antihypertensive Trial in Acute Ischemic Stroke (CATIS). Study outcome data on death, major disability (modified Rankin Scale score ≥3), and vascular disease were collected at 3 months after stroke onset. RESULTS: During 3 months of follow-up, 767 participants (24...
July 26, 2017: Neurology
https://www.readbyqxmd.com/read/28746122/anterior-and-posterior-vertebral-column-resection-versus-posterior-only-technique-a-comparison-of-clinical-outcomes-and-complications-in-congenital-kyphoscoliosis
#11
Gokhan Demirkiran, Ozgur Dede, Emre Karadeniz, Deniz Olgun, Mehmet Ayvaz, Muharrem Yazici
STUDY DESIGN: Retrospective cohort. OBJECTIVE: The purpose of this study is to compare the anterior-posterior surgery to posterior-only vertebra resection for congenital kyphoscoliosis in pediatric patients. SUMMARY OF BACKGROUND DATA: Vertebral column resection is a very powerful correction technique mainly used in the treatment of severe and rigid spinal deformities. The technique can be applied with combined anterior and posterior vertebral column resection (APVCR) or posterior-only vertebral column resection (PVCR) approaches...
August 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28745957/understanding-the-challenges-to-vascular-access-in-an-ageing-population
#12
Janice Gabriel
At the beginning of the 21st century, one in five of UK residents can expect to see their 100th birthday and one in four people are aged 60 years or older. The UK has an ageing population. With older age comes an increasing variety of comorbidities that have an impact not only on an individual's quality of life but also on healthcare resources. Older people account for a rapidly rising cohort of individuals admitted to hospital, often with complex needs, and this can require achieving venous access. Venepuncture and cannulation are the most commonly performed invasive procedures in health care today...
July 27, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28745904/burden-of-skin-and-subcutaneous-diseases-in-iran-and-neighboring-countries-results-from-the-global-burden-of-disease-study-2015
#13
Chante Karimkhani, Robert P Dellavalle, Seyed M Karimi, Vafa Rahimi-Movaghar, Farshad Pourmalek, Aliasghar A Kiadaliri, Mohammad Ali Sahraian, Gholamreza Roshandel, Seyed Mohammad Fereshtehnejad, Mostafa Qorbani, Amir Radfar, Maryam S Farvid, Hamid Asayesh, Sadaf G Sepanlou, Shirin Djalalinia, Amir Kasaeian, Jagdish Khubchandani, Reza Malekzadeh, Maziar Moradi-Lakeh, Kristopher J Krohn, Ali H Mokdad, Theo Vos, Mohsen Naghavi
BACKGROUND: Iran and its neighboring countries represent four world regions with unique cultures and geography. Skin diseases span a wide diversity of etiologies including infectious, inflammatory, autoimmune, vascular, neurogenic, and oncologic. The Global Burden of Disease Study (GBD) 2015 measures the burden from skin diseases in 195 countries. METHODS: Epidemiologic data were collected from literature review, survey data, and hospital inpatient/outpatient claims data...
July 2017: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/28745785/analysis-on-the-relationship-and-mechanism-of-high-blood-pressure-and-vascular-aging-on-the-condition-that-the-gender-and-age-matches
#14
L-J Yan, H-T Yang, H-Y Duan, J-T Wu, X-W Fan, S-L Wang, C-G Qiu
OBJECTIVE: The relationship between hypertension and the mechanism of the expression of T-lymphocyte Kv1.3 channels in vascular aging has been analyzed in this study based on the gender and age matches' principle. PATIENTS AND METHODS: Thirty patients have been consecutively chosen with vascular aging caused by hypertension (group A), while 30 cases of high blood pressure not merged with vascular aging (group B) were chosen, and 30 cases of healthy volunteers (group C), conforming to gender and age 1:1 and the closest matching principle, were studied...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28745697/-role-of-the-mechanisms-of-replicative-cellular-senescence-in-structural-and-functional-changes-of-the-vascular-wall-in-chronic-kidney-disease
#15
REVIEW
T E Rudenko, I N Bobkova, E S Kamyshova, I A Gorelova
This review considers the mechanisms and risk factors for the development of replicative cellular senescence of the vascular wall in patients with CKD and discusses therapeutic approaches to slowing the accelerated vascular aging.
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28745403/sex-differences-in-mortality-after-abdominal-aortic-aneurysm-repair-in-the-uk
#16
D A Sidloff, A Saratzis, M J Sweeting, J Michaels, J T Powell, S G Thompson, M J Bown
BACKGROUND: The UK abdominal aortic aneurysm (AAA) screening programmes currently invite only men for screening because the benefit in women is uncertain. Perioperative risk is critical in determining the effectiveness of screening, and contemporary estimates of these risks in women are lacking. The aim of this study was to compare mortality following AAA repair between women and men in the UK. METHODS: Anonymized data from the UK National Vascular Registry (NVR) for patients undergoing AAA repair (January 2010 to December 2014) were analysed...
July 26, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28745215/nitroxyl-anion-mediates-relaxation-in-mesenteric-arteries-from-angiotensin-ii-hypertensive-mice
#17
Brandi M Wynne, Hicham Labazi, Rita C Tostes, R Clinton Webb
AIMS: Nitroxyl anion (HNO) has recently become an emerging candidate in vascular regulation. NO- is a potent vasodilator of both conduit and small resistance vessels and mediates relaxation in a soluble guanylate cyclase-dependent manner. Interestingly, HNO activates voltage-dependent K+ (K+V) channels, whereas nitric oxide (NO) activates calcium-activated K+ channels. To date, there are few studies investigating the role of HNO in hypertension, and the possible mechanisms, which may be altered during this condition...
July 25, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28744689/pediatric-cerebellar-giant-cavernous-malformation-case-report-and-review-of-literature
#18
Javier Villaseñor-Ledezma, Marcelo Budke, Juan-Antonio Alvarez-Salgado, María-Angeles Cañizares, Luis Moreno, Francisco Villarejo
BACKGROUND AND IMPORTANCE: Giant cavernous malformations (GCM) are low flow, angiographically occult vascular lesions, with a diameter >4 cm. Cerebellar GCMs are extremely rare, with only seven cases reported based on English literature. These lesions are most commonly seen in the pediatric age group, which is known to have an increased risk of hemorrhage, being surgery clearly recommended. CLINICAL PRESENTATION: An 18-month-old girl presented with a 6-month history of cervical torticollis and upper extremities clumsiness...
July 25, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28744658/characteristics-of-retinal-vessels-in-surgically-closed-macular-hole-an-optical-coherence-tomography-angiography-study
#19
Cheolmin Yun, Jaemoon Ahn, Mingue Kim, Jee Taek Kim, Soon-Young Hwang, Seong-Woo Kim, Jaeryung Oh
PURPOSE: The purpose of our study was to investigate characteristics of retinal vessels in eyes with surgically closed macular holes (MH). METHODS: We included patients who underwent surgery for idiopathic MH and a follow-up examination using optical coherence tomography angiography (OCTA). The area of the foveal avascular zone (FAZ) and retinal vascular densities of the superficial capillary plexus (SCP) and deep capillary plexus (DCP) were calculated on the postoperative OCTA images and compared with those of age-matched normal controls...
July 25, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28743922/prevalence-of-stroke-and-vascular-risk-factors-in-china-a-nationwide-community-based-study
#20
Qi Li, Hao Wu, Wei Yue, Qingqing Dai, Hui Liang, Hetao Bian, Xiaoshuang Xia, Qiuhong Ji, Ying Shen
We aimed to investigate the prevalence of stroke and related vascular risk factors in adult population aged 40 years and older in China. We conducted a prospective cross-sectional survey in nationally representative sample of 207323 individuals from all 31 Chinese provinces in 2013. Data were used to analyze the prevalence of stroke by age, sex, geographical regions and educational level. The age-standardized prevalence of stroke was significantly higher in men than in women in all age groups (P < 0...
July 25, 2017: Scientific Reports
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