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https://www.readbyqxmd.com/read/28637551/outcomes-of-geriatric-trauma-patients-on-preinjury-anticoagulation-a-multicenter-study
#1
Darwin Ang, Stan Kurek, Mark McKenney, Scott Norwood, Brian Kimbrell, Erik Barquist, Huazhi Liu, Annette O'Dell, Michele Ziglar, James Hurst
Outpatient anticoagulation in the geriatric trauma patient is a challenging clinical problem. The aim of this study is to determine clinical outcomes associated with class of preinjury anticoagulants (PA) used by this population. This is a multicenter retrospective cohort study among four Level II trauma centers. A total of 1642 patients were evaluated; 684 patients were on anticoagulation and 958 patients were not. Patients on PA were compared with those who were not. Drug classes were divided into thromboxane A2 inhibitors, vitamin K factor-dependent inhibitors, antithrombin III activation, platelet P2Y12 inhibitors, and thrombin inhibitors...
June 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28634533/a-study-to-evaluate-the-prevalence-of-impaired-awareness-of-hypoglycaemia-in-adults-with-type-2-diabetes-in-outpatient-clinic-in-a-tertiary-care-centre-in-singapore
#2
Ling Zhu, Li Chang Ang, Wee Boon Tan, Xiaohui Xin, Yong Mong Bee, Su-Yen Goh, Ming Ming Teh
BACKGROUND: Impaired awareness of hypoglycaemia (IAH) predisposes affected patients to severe hypoglycaemia. There are few data on prevalence of IAH in adults with insulin-treated type 2 diabetes in Asia. We aim to ascertain the prevalence of IAH among insulin-treated patients with type 2 diabetes in an outpatient clinic in a tertiary care centre in Singapore. METHODS: A total of 374 patients with insulin-treated type 2 diabetes attending the outpatient diabetes clinic in a tertiary referral centre in Singapore were recruited over a 4-month period...
May 2017: Therapeutic Advances in Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28629525/erythropoietin-regulation-by-angiotensin-ii
#3
Yong-Chul Kim, Ognoon Mungunsukh, Regina M Day
The renin-angiotensin system (RAS) is a key regulator of blood pressure and blood volume homeostasis. The RAS is primarily comprised of the precursor protein angiotensinogen and the two proteases, renin and angiotensin-converting enzyme (ACE). Angiotensin I (Ang I) is derived from angiotensinogen by renin, but appears to have no biological activity. In contrast, angiotensin II (Ang II) that has a variety of biological functions in the cells is converted from Ang I through removal of two-C-terminal residues by ACE...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28627965/role-of-angiopoietin-2-endoglin-and-placental-growth-factor-in-hiv-associated-preeclampsia
#4
Nokuzola Mbhele, Jagidesa Moodley, Thajasvarie Naicker
OBJECTIVE: The factors angiopoeitin-2 (Ang-2), endoglin (Eng), and placental growth factor (PlGF) have been implicated in the pathophysiology of preeclampsia (PE). This study assessed their serum levels in HIV-negative and HIV-positive pregnant normotensive and pre-eclamptic women. METHODS: Participants were recruited at the antenatal clinic, serum samples were evaluated using the Bioplex Human Cancer Biomarker (panel 2). RESULTS: Ang-2 and Eng levels were higher, whilst PlGF levels were lower in the PE compared with the normotensive group...
June 19, 2017: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/28620011/dietary-restriction-but-not-angiotensin-ii-type-1-receptor-blockade-improves-dna-damage-related-vasodilator-dysfunction%C3%A2-in-rapidly-aging-ercc1-%C3%AE-mice
#5
Haiyan Wu, Bibi S van Thiel, Paula Katherine Bautista-Nino, Erwin Reiling, Matej Durik, Frank P J Leijten, Yanto Ridwan, Renata M C Brandt, Harry van Steeg, Martijn E T Dollé, Wilbert P Vermeij, Jan H J Hoeijmakers, Jeroen Essers, Ingrid van der Pluijm, A H Jan Danser, Anton J M Roks
DNA damage is an important contributor to endothelial dysfunction and age-related vascular disease. Recently, we demonstrated in a DNA repair-deficient, prematurely aging mouse model ( Ercc1(∆/-) mice) that dietary restriction (DR) strongly increases life- and health span, including ameliorating endothelial dysfunction, by preserving genomic integrity. In this mouse mutant displaying prominent accelerated, age-dependent endothelial dysfunction we investigated the signaling pathways involved in improved endothelium-mediated vasodilation by DR, and explore the potential role of the renin-angiotensin system ...
June 15, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28619367/the-vasoprotective-axes-of-the-renin-angiotensin-system-physiological-relevance-and-therapeutic-implications-in-cardiovascular-hypertensive-and-kidney-diseases
#6
REVIEW
Xiao C Li, Jianfeng Zhang, Jia L Zhuo
The renin-angiotensin system (RAS) is undisputedly one of the most prominent endocrine (tissue-to-tissue), paracrine (cell-to-cell) and intracrine (intracellular/nuclear) vasoactive systems in the physiological regulation of neural, cardiovascular, blood pressure, and kidney function. The importance of the RAS in the development and pathogenesis of cardiovascular, hypertensive and kidney diseases has now been firmly established in clinical trials and practice using renin inhibitors, angiotensin-converting enzyme (ACE) inhibitors, type 1 (AT1) angiotensin II (ANG II) receptor blockers (ARBs), or aldosterone receptor antagonists as major therapeutic drugs...
June 12, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28610705/anastomotic-ulcers-in-short-bowel-syndrome-new-suggestions-from-a-multidisciplinary-approach
#7
Fabio Fusaro, Renato Tambucci, Erminia Romeo, Pietro Bagolan, Luigi Dall'Oglio, Stefano Ceccarelli, Paola Francalanci, Dominique Hermans, Andrea Pietrobattista, Antonella Diamanti, Filippo Torroni, Paola De Angelis
BACKGROUND AND AIMS: Anastomotic ulceration (AU) is a rare potential life-threatening complication that may occur after intestinal resection. The diagnosis is often delayed after a long-lasting history of refractory anemia. The pathogenesis remains unknown and there are no established therapies. The aim of the study was to analyze the medical history of children with short bowel syndrome (SBS) who were experiencing AU. METHODS: Records of SBS children were retrospectively reviewed...
June 3, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28597954/exposure-to-bordetella-pertussis-adenylate-cyclase-toxin-affects-integrin-mediated-adhesion-and-mechanics-in-alveolar-epithelial-cells
#8
Christelle Angely, Ngoc-Minh Nguyen, Sofia Andre Dias, Emmanuelle Planus, Gabriel Pelle, Bruno Louis, Marcel Filoche, Alexandre Chenal, Daniel Ladant, Daniel Isabey
BACKGROUND: The adenylate cyclase (CyaA) toxin is a major virulent factor of Bordetella pertussis, the causative agent of whooping cough. CyaA toxin is able to invade eukaryotic cells where it produces high levels of cyclic adenosine monophosphate (cAMP) affecting cellular physiology. Whether CyaA toxin can modulate cell matrix adhesion and mechanics of infected cells remains largely unknown. RESULTS: In this study, we use a recently proposed Multiple bond Force Spectroscopy (MFS) with an Atomic Force Microscope to assess the early phase of cell adhesion (maximal detachment and local rupture forces) and cell rigidity (Young's modulus) in alveolar epithelial cells (A549) for toxin exposure <1hour...
June 9, 2017: Biology of the Cell
https://www.readbyqxmd.com/read/28592620/phase-ii-study-of-first-line-trebananib-plus-sorafenib-in-patients-with-advanced-hepatocellular-carcinoma
#9
Ghassan K Abou-Alfa, Jean-Frederic Blanc, Steven Miles, Tom Ganten, Jörg Trojan, Jonathan Cebon, Andre K Liem, Lara Lipton, Charu Gupta, Benjamin Wu, Michael Bass, Ellen Hollywood, Jennifer Ma, Margaret Bradley, Jason Litten, Leonard B Saltz
LESSONS LEARNED: Trebananib leveraging anti-angiogenic mechanism that is distinct from the classic sorafenib anti-vascular endothelial growth factor inhibition did not demonstrate improved progression-free survival at 4 months in patients with advanced hepatocellular carcinoma (HCC).In support of previously reported high Ang-2 levels' association with poor outcome in HCC for patients, trebananib treatment with lower baseline Ang-2 at study entry was associated with improved overall survival to 22 months and may suggest future studies to be performed within the context of low baseline Ang-2...
June 7, 2017: Oncologist
https://www.readbyqxmd.com/read/28592038/-the-application-of-captopril-challenge-test-in-the-diagnosis-of-primary-aldosteronism
#10
S Chen, Z P Zeng, A L Song, L Zhu, L Lu, A L Tong, C Shi, H Z Li
Objective: To evaluate the value of captopril challenge test (CCT) in the diagnosis of primary aldosteronism (PA). Methods: A total of 674 patients [(45.0±13.7) years, men 341, women 333] admitted to Peking Union Medical College Hospital from 2000 to 2015 were analyzed. Among them, 222 subjects were with essential hypertension (EH), 28 were with pheochromocytoma (PHEO), 246 were with idiopathic hyperaldosteronism (IHA) and 178 were with aldosterone producing adenoma (APA). All patients received CCT. 24 h urine sodium was measured in partial patients...
June 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28587989/hypertension-alters-the-endothelial-dependent-biphasic-response-of-bradykinin-in-isolated-microminipig-basilar-artery
#11
Md Zahorul Islam, Hiroaki Kawaguchi, Naoki Miura, Noriaki Miyoshi, Emi Yamazaki-Himeno, Mitsuya Shiraishi, Atsushi Miyamoto, Akihide Tanimoto
Angiotensin (Ang) II is known to promote vascular disease and hypertension, partly through its effect on vascular endothelium. Bradykinin (BK) is an endothelium-dependent agonist that induces relaxation followed by contraction of the porcine basilar artery through release of NO and PGF2α, respectively. In this study, we evaluated the effect of Ang II-induced hypertension on basilar artery responsiveness to BK in the Microminipig (MMPig). Ang II (200ng/kg/min) or vehicle was infused into MMPigs for 14days using an osmotic mini-pump and blood pressure was monitored regularly...
June 3, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28586960/preliminary-results-of-a-phase-1-dose-escalation-trial-for-early-stage-breast-cancer-using-5-fraction-stereotactic-body-radiation-therapy-for-partial-breast-irradiation
#12
Asal Rahimi, Kimberly Thomas, Ann Spangler, Roshni Rao, Marilyn Leitch, Rachel Wooldridge, Aeisha Rivers, Stephen Seiler, Kevin Albuquerque, Stella Stevenson, Sally Goudreau, Dan Garwood, Barbara Haley, David Euhus, John Heinzerling, Chuxiong Ding, Ang Gao, Chul Ahn, Robert Timmerman
PURPOSE: To evaluate the tolerability of a dose-escalated 5-fraction stereotactic body radiation therapy for partial-breast irradiation (S-PBI) in treating early-stage breast cancer after partial mastectomy; the primary objective was to escalate dose utilizing a robotic stereotactic radiation system treating the lumpectomy cavity without exceeding the maximum tolerated dose. METHODS AND MATERIALS: Eligible patients included those with ductal carcinoma in situ or invasive nonlobular epithelial histologies and stage 0, I, or II, with tumor size <3 cm...
May 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28583142/radical-antegrade-modular-pancreatosplenectomy-versus-standard-procedure-in-the-treatment-of-left-sided-pancreatic-cancer-a-systemic-review-and-meta-analysis
#13
Feng Cao, Jia Li, Ang Li, Fei Li
BACKGROUND: Radical antegrade modular pancreatosplenectomy (RAMPS), first reported by Strasberg in 2003, has attracted increasing attention in the treatment of left-sided pancreatic cancer. The limited number of cases eligible for RAMPS makes it difficult to perform any prospective randomized trial of RAMPS versus the standard procedure. Therefore, we performed this systemic review and meta-analysis of the current data to clarify the role of the RAMPS procedure. METHODS: A literature search was performed in electronic databases, including PubMed, Medline, Embase, CNKI and the Cochrane Library...
June 5, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28581284/evaluation-of-corneal-endothelial-cell-loss-after-uncomplicated-phacoemulsification-cataract-surgery-with-intracameral-phenylephrine
#14
Li Sar Teoh, Siu Wan Foo, Vanessa Naseem Mansurali, Ee Ling Ang, Umi Kalthum Md Noh, Mae-Lynn Catherine Bastion
PURPOSE: To study the effects of intracameral phenylephrine 1.5% on corneal endothelial cell loss and morphological changes in patients who had uneventful phacoemulsification surgery. DESIGN: A double-blind randomized controlled trial. METHODS: This study comprised 295 patients who were randomized into the intracameral (ICM) mydriatic group or topical mydriatic group. Central corneal endothelial cell density (ECD), coefficient of variation (CV), and percentage of hexagonal cells were measured preoperatively and postoperatively at 1 week, 6 weeks, and 3 months with specular microscope...
June 1, 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28579411/freeze-only-versus-fresh-embryo-transfer-in-a-multicenter-matched-cohort-study-contribution-of-progesterone-and-maternal-age-to-success-rates
#15
Ange Wang, Anthony Santistevan, Karen Hunter Cohn, Alan Copperman, John Nulsen, Brad T Miller, Eric Widra, Lynn M Westphal, Piraye Yurttas Beim
OBJECTIVE: To compare implantation and ongoing pregnancy rates in freeze-only versus fresh transfer cycles. DESIGN: Retrospective matched cohort study. SETTING: Not applicable. PATIENT(S): Women selected using a matching algorithm for similar distributions of clinical characteristics for a total of 2,910 cycles (1,455 fresh cohort and 1,455 freeze-only cohort). INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Implantation and ongoing pregnancy rates...
June 1, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28562337/il13ra2-targeted-alpha-particle-therapy-against-glioblastomas
#16
Anirudh Sattiraju, Kiran Kumar Solingapuram Sai, Ang Xuan, Darpan N Pandya, Frankis G Almaguel, Thaddeus J Wadas, Denise M Herpai, Waldemar Debinski, Akiva Mintz
Glioblastoma (GBM) is the most aggressive primary malignant brain cancer that invariably results in a dismal prognosis. Chemotherapy and radiotherapy have not been completely effective as standard treatment options for patients due to recurrent disease. We and others have therefore developed molecular strategies to specifically target interleukin 13 receptor alpha 2 (IL13RA2), a GBM restricted receptor expressed abundantly on over 75% of GBM patients. In this work, we evaluated the potential of Pep-1L, a novel IL13RA2 targeted peptide, as a platform to deliver targeted lethal therapies to GBM...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28554983/cyp2j2-metabolites-epoxyeicosatrienoic-acids-attenuate-angii-induced-cardiac-fibrotic-response-by-targeting-g%C3%AE-12-13
#17
Zuowen He, Yong Yang, Zheng Wen, Chen Chen, Xizhen Xu, Yanfang Zhu, Yan Wang, Dao Wen Wang
Arachidonic acid-cytochrome P450 2J2-epoxyeicosatrienoic acids (AA-CYP2J2-EETs) metabolic pathway has been identified protective in cardiovascular system. This study explored effects of AA-CYP2J2-EETs metabolic pathway on cardiac fibrosis from perspective of cardiac fibroblast and underlying mechanisms. In vivo studies, eight-week-old male CYP2J2 transgenic mice (aMHC-CYP2J2-Tr) and littermates were infused with angiotensin II (Ang II) or saline for 2 weeks. Results showed that CYP2J2 overexpression increased EETs production...
May 29, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28544587/drop-out-rate-from-the-liver-transplant-waiting-list-due-to-hcc-progression-in-hcv-infected-patients-treated-with-direct-acting-antivirals
#18
Alberto Zanetto, Sarah Shalaby, Alessandro Vitale, Claudia Mescoli, Alberto Ferrarese, Martina Gambato, Enrica Franceschet, Giacomo Germani, Marco Senzolo, Antonietta Romano, Paolo Angeli, Massimo Rugge, Fabio Farinati, Daniel M Forton, Umberto Cillo, Patrizia Burra, Francesco Paolo Russo
BACKGROUND & AIM: concerns about an increased hepatocellular carcinoma (HCC) recurrence rate following directly acting antiviral (DAA) therapy in cirrhotic patients with a prior complete oncological response have been raised. Data regarding the impact of HCV-treatment with DAAs on waiting list drop-out rates in patients with active HCC and HCV-related cirrhosis awaiting liver transplantation (LT) are lacking. MATERIALS AND METHODS: HCV-HCC patients listed for LT between January 2015 and May 2016 at Padua Liver Transplant Centre were considered eligible for the study...
May 22, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28538018/low-serum-angiopoietin-1-high-serum-angiopoietin-2-and-high-ang-2-ang-1-protein-ratio-are-associated-with-early-onset-sepsis-in-surinamese-newborns
#19
Rens Zonneveld, Rianne Jongman, Amadu Juliana, Wilco Zijlmans, Frans Plötz, Grietje Molema, Matijs van Meurs
PURPOSE: Vascular inflammation and leakage in sepsis is mediated by Angiopoietin-1 (Ang-1) and -2 (Ang-2) and their phosphorylation of the endothelial Tie-2 receptor. Levels of Ang-2 change in adults and children during sepsis, which is associated with severity of sepsis. This study investigates levels of Ang-1 and Ang-2 in newborns to gain insight in the vascular pathophysiology of early onset sepsis (EOS) within 72 hours after birth. METHODS: A prospective cohort study was performed amongst 71 Surinamese newborns treated with antibiotics for suspected EOS and 20 control newborns...
May 22, 2017: Shock
https://www.readbyqxmd.com/read/28534086/neuronal-nitric-oxide-synthase-modulation-of-intracellular-ca-2-handling-overrides-fatty-acid-potentiation-of-cardiac-inotropy-in-hypertensive-rats
#20
Chun Li Jin, Ming Zhe Yin, Jin Chul Paeng, Seunggyun Ha, Jeong Hoon Lee, Peng Jin, Chun Zi Jin, Zai Hao Zhao, Yue Wang, Keon Wook Kang, Chae Hun Leem, Jong-Wan Park, Sung Joon Kim, Yin Hua Zhang
Cardiac neuronal nitric oxide synthase (nNOS) is an important molecule that regulates intracellular Ca(2+) homeostasis and contractility of healthy and diseased hearts. Here, we examined the effects of nNOS on fatty acid (FA) regulation of left ventricular (LV) myocyte contraction in sham and angiotensin II (Ang II)-induced hypertensive (HTN) rats. Our results showed that palmitic acid (PA, 100 μM) increased the amplitudes of sarcomere shortening and intracellular ATP in sham but not in HTN despite oxygen consumption rate (OCR) was increased by PA in both groups...
May 22, 2017: Pflügers Archiv: European Journal of Physiology
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