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https://www.readbyqxmd.com/read/29684003/17%C3%AE-estradiol-promotes-angiogenesis-of-rat-cardiac-microvascular-endothelial-cells-in-vitro
#1
HaiTao Liu, Yin Tao, Mai Chen, Jin Yu, Wei-Jie Li, Ling Tao, Yan Li, Fei Li
BACKGROUND The formation of new blood vessels, known as angiogenesis, is critical for recovery from ischemic heart disease, and estrogen is considered an important factor in this process. Here, we investigated the effects of 17β-estradiol (17β-E2) on proliferation and migration of cardiac microvascular endothelial cells (CMECs) in vitro. MATERIAL AND METHODS Rat CMECs were isolated and cultured with 17β-E2 (0.001-1 µmol/l) in the absence or presence of the estrogen antagonist tamoxifen. Then, the expression level of estrogen receptor alpha was evaluated by using immunofluorescence assay, RT-PCR, and Western blot...
April 23, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29682729/determination-of-minimal-steady-state-plasma-level-of-diazepam-causing-seizure-threshold-elevation-in-rats
#2
Ashish Dhir, Michael A Rogawski
OBJECTIVE: Diazepam, administered by the intravenous, oral, or rectal routes, is widely used for the management of acute seizures. Dosage forms for delivery of diazepam by other routes of administration, including intranasal, intramuscular, and transbuccal, are under investigation. In predicting what dosages are necessary to terminate seizures, the minimal exposure required to confer seizure protection must be known. Here we administered diazepam by continuous intravenous infusion to obtain near-steady-state levels, which allowed an assessment of the minimal levels that elevate seizure threshold...
April 6, 2018: Epilepsia
https://www.readbyqxmd.com/read/29682710/-surgical-skills-in-the-prevention-of-anastomotic-leakage-after-rectal-neoplasm-surgery
#3
Qianqian Shao, Guole Lin
For colorectal surgeons, how to reduce anastomotic leakage after laparoscopic rectal cancer surgery remains to be challenging. We provide a brief discussion regarding the surgical skills required to prevent anastomotic leakage after rectal cancer surgery, such as the following: 1) Low ligation of inferior mesenteric vessel during laparoscopic total mesorectal excision can improve anastomotic tension and blood supply, thus reducing the risk of anastomotic leakage. While high ligation of inferior mesenteric artery results in poor blood supply and high tension in atastomotic site, thus increasing the risk of anastomotic leakage...
2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29682469/conservative-management-versus-endovascular-or-open-surgery-in-the-spectrum-of-type-b-aortic-dissection
#4
Xun Yuan, Andreas Mitsis, Mohammed Ghonem, Ilias Iakovakis, Christoph A Nienaber
Background: Type B aortic dissection is a life-threatening acute aortic condition often with acute ischemic signs or symptoms. With initial management focusing on alleviating malperfusion and pain, and avoiding propagation of dissection or rupture both systolic blood and pulse pressure should be reduced initially by an aggressive medical approach. In the setting of persistent signs of complications endovascular strategies have replaced open surgery and led to a fourfold increase in early survival and better long-term outcomes...
2018: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29682293/methodological-aspects-of-serosurveillance-in-resource-poor-settings
#5
Susanna Sternberg Lewerin, Cecilia Wolff, Charles Masembe, Karl Ståhl, Sofia Boqvist, Mikael Andersson Franko
Animal production is important for the agricultural economy in low-income countries, but is threatened by infectious diseases. Serosurveys are conducted for different reasons such as disease detection, risk factor studies, disease monitoring and establishing disease-free status. Most reports on such serosurveys include some discussion about methodological constraints but still, by necessity, rely on serological results for case definition. This study uses a cross-sectional serosurvey for foot-and-mouth disease (FMD), Rift Valley fever (RVF) and contagious bovine pleuropneumonia (CBPP) in cattle in three districts in Western Uganda to illustrate the limitations of this approach, addressing the questions of what flaws can be expected in sampling and diagnostics and how these influence the results...
2018: Veterinary Record Open
https://www.readbyqxmd.com/read/29682071/intraoperative-rupture-cerebral-aneurysm-and-computational-flow-dynamics
#6
Ilya Senko, Anton Shatokhin, Ishu Bishnoi, Yasuhiro Yamada, Riki Tanaka, Daisuke Suyama, Tukasa Kawase, Yoko Kato
Intraoperative aneurysmal rupture (IAR) is the most fearsome complication of aneurysm surgery. IAR associates with high morbidity and mortality. In recent years, we have many studies regarding using computational fluid dynamics (CFD) in aneurysm surgery. CFD helps in calculating the velocity of blood flowing in the aneurysm sac, the pressure in the aneurysm sac, and wall shear stress (WSS). CFD also helps in predicting nature of aneurysm wall and thus may warn about different intraoperative microscopy findings in aneurysms...
April 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29682064/awake-craniotomy-with-noninvasive-brain-mapping-by-3-tesla-functional-magnetic-resonance-imaging-for-excision-of-low-grade-glioma-a-case-of-a-young-patient-from-pakistan
#7
Atta Ul Aleem Bhatti, Nasir Khan Jakhrani, Maria Adnan Parekh
The past few years have seen increasing support for gross total resection in the management of low-grade gliomas (LGGs), with a greater extent of resection correlated with better overall survival, progression-free survival, and time to malignant transformation. There is consistent evidence in literature supporting extent of safe resection as a good prognostic indicator as well as positively affecting seizure control, symptomatic relief in pressure symptoms, and longer progression-free and total survival. The operative goal in most LGG cases is to maximize the extent of resection for these benefits while avoiding postoperative neurologic deficits...
April 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29682058/hemispheric-infarct-following-a-cerebellar-hematoma-a-rare-coincidence
#8
R Girish Menon, Vinod Kumar, I K Laskhman, Rajesh P Nair
Concomitant cerebral infarction developing soon after a parenchymal intracerebral hemorrhage is a rare occurrence. Usually, these remote site changes follow tumor decompression and are associated with hemorrhagic changes rather than infarcts. We report a case of a fatal malignant internal carotid territory infarct in a hospitalized patient being conservatively managed for a vermian hematoma and discuss the probable pathophysiology. Stroke physicians need to be aware that spontaneous intracerebral hematoma patients have a potential threat of developing large vessel occlusion with malignant cerebral infarcts, especially after surgical decompression...
April 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29681886/importance-of-collateralization-in-patients-with-large-artery-intracranial-occlusive-disease-long-term-longitudinal-assessment-of-cerebral-hemodynamic-function
#9
Larissa McKetton, Lakshmikumar Venkatraghavan, Julien Poublanc, Olivia Sobczyk, Adrian P Crawley, Casey Rosen, Frank L Silver, James Duffin, Joseph A Fisher, David J Mikulis
Patients with large artery intracranial occlusive disease (LAICOD) are at risk for both acute ischemia and chronic hypoperfusion. Collateral circulation plays an important role in prognosis, and imaging plays an essential role in diagnosis, treatment planning, and prognosis of patients with LAICOD. In addition to standard structural imaging, assessment of cerebral hemodynamic function is important to determine the adequacy of collateral supply. Among the currently available methods of assessment of cerebral hemodynamic function, measurement of cerebrovascular reactivity (CVR) using blood oxygen level-dependent (BOLD) MRI and precisely controlled CO2 has shown to be a safe, reliable, reproducible, and clinically useful method for long-term assessment of patients...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29681507/spectrum-of-neurological-complications-in-eclampsia-in-a-tertiary-care-hospital-in-india
#10
Ranju Singh, Nitin Hayaran, Deepika Nagar, Aruna Jain
OBJECTIVE: Preeclampsia or eclampsia is associated with significant maternal morbidity and mortality, and neurological complications are varied. This prospective observational study sought to collect data and push for early aggressive diagnostic evaluation for neurological complications in eclamptic women. METHODS: The study was conducted in Lady Hardinge Medical College and associated Shrimati Sucheta Kriplani Hospital in New Dehli, India from July 2014 to July 2016...
April 19, 2018: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/29680194/the-challenge-of-evaluating-adnexal-masses-in-patients-with-breast-cancer
#11
REVIEW
Tomás Reinert, Angélica Nogueira-Rodrigues, Fabiola Procacci Kestelman, Patricia Ashton-Prolla, Márcia Silveira Graudenz, José Bines
This narrative literature review addresses the problem of an adnexal mass discovered during the course of breast cancer (BC) care, which may represent a benign condition, a metastatic process, or a primary ovarian cancer (OC), clinical scenarios associated with distinct physiopathology and prognosis. Furthermore, the coexistence of BC and OC in the same patient may be owing to a hereditary disorder, deserving specific management strategies and counseling. The initial detection and evaluation of an adnexal mass in a patient with BC requires a high index of suspicion, and the initial workup should include a thorough medical history and physical examination, measurement of tumor markers, complete blood count, and imaging tests...
March 12, 2018: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29680179/progress-in-understanding-the-pathophysiology-of-multiple-sclerosis
#12
REVIEW
H Zéphir
Multiple sclerosis (MS) arises in people who have a genetic susceptibility to environmental factors and events, which ultimately trigger the disease. It is thought that peripheral immune cells are mobilized and enter the CNS through the impaired blood-brain barrier in the subarachnoid space, as acute lesions show large numbers of macrophages and CD8+ T cells and, to a lesser extent, CD4+ T cells, B cells and plasma cells. Demyelination is mostly localized to focal lesions in early relapsing-remitting (RR) MS, whereas other areas of white matter appear normal...
April 18, 2018: Revue Neurologique
https://www.readbyqxmd.com/read/29679354/low-serum-phosphate-is-associated-with-ischemic-stroke-in-hemodialysis-patients
#13
Tsang-Shan Chen, Chao-Hung Chen, Chien-An Chen, Li-Ping Chou, Chi-Chu Liu
BACKGROUND: Hemodialysis patients have a high incidence of ischemic stroke. However, the association between serum phosphate levels and ischemic stroke is controversial among hemodialysis patients. The present study is used to evaluate whether serum phosphate levels are associated with ischemic stroke among patients undergoing hemodialysis. METHODS: A total of 84 hemodialysis patients were followed up for 8 years. Data collection included chart reviews and assessments of laboratory records...
April 20, 2018: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29679303/do-the-sglt-2-inhibitors-offer-more-than-hypoglycemic-activity
#14
REVIEW
Eduardo Flores, Carlos G Santos-Gallego, Nely Diaz-Mejía, Juan Jose Badimon
Type 2 diabetes mellitus (T2DM) is one of the most common chronic health conditions in the USA; it affects approximately 10% of adults with up to one-quarter being undiagnosed. T2DM is associated with substantial cardiovascular (CV) morbidity and mortality. T2DM is a pathological condition characterized by elevated levels of glucose and associated with high CV risk. Traditional hypoglycemic drugs have demonstrated their capability for effective and maintained management of high glucose levels, but they have not significantly impacted on the incidence of CV events...
April 20, 2018: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/29678801/stigma-and-its-association-with-glycemic-control-and-hypoglycemia-in-adolescents-and-young-adults-with-type-1-diabetes-cross-sectional-study
#15
Anne-Sophie Brazeau, Meranda Nakhla, Michael Wright, Mélanie Henderson, Constadina Panagiotopoulos, Daniele Pacaud, Patricia Kearns, Elham Rahme, Deborah Da Costa, Kaberi Dasgupta
BACKGROUND: Qualitative studies in type 1 diabetes indicate that visibility of diabetes supplies, self-care, and hypoglycemia symptoms are associated with stigma and suboptimal management. This may be particularly salient in youth who face concurrent challenges such as establishing autonomy and making vocational choices. OBJECTIVE: The aim of the study was to estimate stigma prevalence in youth (aged 14-24 years) with type 1 diabetes and its associations with glycemic control...
April 20, 2018: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29678735/recent-developments-of-nanotherapeutics-for-targeted-and-long-acting-combination-hiv-chemotherapy
#16
REVIEW
Yu Gao, John C Kraft, Danni Yu, Rodney J Y Ho
Combination antiretroviral therapy (cART) given orally has transformed HIV from a terminal illness to a manageable chronic disease. Yet despite the recent development of newer and more potent drugs for cART and suppression of virus in blood to undetectable levels, residual virus remains in tissues. Upon stopping cART, virus rebounds and progresses to AIDS. Current oral cART regimens have several drawbacks including (1) challenges in patient adherence due to pill fatigue or side-effects, (2) the requirement of life-long daily drug intake, and (3) limited penetration and retention in cells within lymph nodes...
April 17, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29678687/clinical-characteristics-and-outcomes-of-patients-with-multiple-simultaneous-superficial-vein-thrombi
#17
Rishi Chopra, Luis R Leon, Nicos Labropoulos
BACKGROUND: Although unprovoked superficial venous thrombosis (SVT) has traditionally been considered a local, benign disorder, recent studies demonstrate that patients with SVT are at significant risk for deep venous thrombosis, pulmonary embolism, and other venous thromboembolism (VTE) events. Nevertheless, clinical management remains widely inconsistent. Moreover, patients with multiple, unprovoked SVTs of noncommunicating anatomic sites have not been previously described, and they may be at even increased risk for adverse outcomes...
April 17, 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29678659/association-of-cyp3a4-1b-genotype-with-cyclosporin-a-pharmacokinetics-in-renal-transplant-recipients-a-meta-analysis
#18
Cai-E Wang, Ke-Peng Lu, Zhao Chang, Meng-Li Guo, Hai-Ling Qiao
OBJECTIVE: Cyclosporine (CsA) is a substrate of cytochrome P450 (CYP) 3A4 with a narrow therapeutic index and large individual difference. CYP3A4*1B is reported to be associated with CsA pharmacokinetics parameters, but the relevance is still in dispute. Therefore, a meta-analysis was employed to evaluate the influence of CYP3A4*1B on CsA pharmacokinetics at different post-transplantation times in adult renal transplant recipients. METHODS: Studies on evaluating the CYP3A4*1B genotype and CsA pharmacokinetics were retrieved through a systematical search of relevant database including PubMed, Emabase, Web of science, the Cochrane Library, Clinical Trials...
April 17, 2018: Gene
https://www.readbyqxmd.com/read/29678607/association-between-hypertension-and-metabolic-disorders-among-elderly-patients-in-north-jordan
#19
Nuha Alwardat, Laura Di Renzo, Renata Costa de Miranda, Sofian Alwardat, Paola Sinibaldi Salimei, Antonino De Lorenzo
BACKGROUND: Hypertension (HTN), dyslipidemia and hyperglycemia are major risk factors for cardiovascular disease, accounting for the highest morbidity and mortality among the elderly Jordanian population. This study aimed to evaluate serum lipid and glucose profiles of hypertensive patients and normotensive controls, and determine the risk factors for HTN among elderly population in Jordan. METHODS: A cross-sectional study was carried out among 200 participants, including 111 hypertensive patients and 89 normotensive controls from June to October 2017 in North Jordan...
April 12, 2018: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/29678073/a-decision-support-tool-for-healthcare-professionals-in-the-management-of-hyperphosphatemia-in-hemodialysis
#20
Sisse H Laursen, Amanda A Buus, Lisbet Brandi, Peter Vestergaard, Ole K Hejlesen
Hyperphosphatemia is known as one of the more challenging conditions in end-stage renal disease patients. This study set out to present and evaluate a healthcare-oriented decision support tool in the management of hyperphosphatemia within hemodialysis therapy. A prototype module was designed to fit into the interface of a modern dialysis machine (Fresenius 5008). The prototype included three main functions: 1) immediate bedside blood sample access, 2) a model based prognosis tool with estimates of P-phosphate and 3) an overview of the user's phosphate related activities during dialysis treatments...
2018: Studies in Health Technology and Informatics
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