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https://www.readbyqxmd.com/read/28447627/short-term-blood-pressure-variability-and-long-term-blood-pressure-variability-which-one-is-a-reliable-predictor-for-recurrent-stroke
#1
Y Tao, J Xu, B Song, X Xie, H Gu, Q Liu, L Zhao, Y Wang, Y Xu, Y Wang
The relationship between blood pressure variability (BPV) and stroke recurrence is controversial. This study aimed to evaluate the predictive value of short-term and long-term BPV for stroke recurrence. The data from blood pressure and clinical outcome in TIA or ischemic stroke (BOSS) study included participants with acute ischemic stroke or transient ischemic attack (TIA) within 7 days after onset. Short-term BPV was measured by 24-h ambulatory BP measurement during hospitalisation. Long-term BPV, based on home blood pressure measurement, was measured by patients or their families from discharge to 90 days after qualifying events onset (twice daily)...
April 27, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28447480/predictive-and-explanatory-factors-of-cardiovascular-disease-in-people-with-adequately-controlled-type-2-diabetes
#2
Nahid Hashemi Madani, Faramarz Ismail-Beigi, Mohammad E Khamseh, Mojtaba Malek, Ameneh Ebrahimi Valojerdi
Aims To explore the predictive and explanatory factors on the incidence of cardiovascular disease and the impact of visit-to-visit variability (VVV) of risk factors on incident cardiovascular disease in people with type 2 diabetes with no history of prior cardiovascular disease. Methods We performed a historical cohort study (2008-2011) on 481 people with type 2 diabetes and no history of cardiovascular disease. Cardiovascular risk factors were assessed at baseline and repeatedly during follow-up. The predictive analysis included the variables at enrollment, and explanatory analyses were based on mean of the variables measured repeatedly...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28445207/effect-of-renal-sympathetic-denervation-on-short-term-blood-pressure-variability-in-resistant-hypertension-a-meta-analysis
#3
Nikos Vogiatzakis, Costas Tsioufis, Georgios Georgiopoulos, Costas Thomopoulos, Kyriakos Dimitriadis, Alexandros Kasiakogias, Dimitrios Konstantinidis, Thodoris Kalos, Felix Mahfoud, Michael Doumas, Vasilios Papademetriou, Dimitrios Tousoulis
BACKGROUND/OBJECTIVES: Short-term blood pressure variability (BPV) is affected by multiple factors including the sympathetic nervous system drive. Regarding the latter, the novel interventional technology of renal denervation (RDN), by modulating the sympathetic system activation, could have a beneficial impact on BPV. The aim of the current study is to review and meta-analyze the available evidence on the effect of RDN on short-term BPV. METHODS: We searched Medline/PubMed database until October 2016 for studies with eligible content...
April 25, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28444108/racial-ethnic-differences-in-left-ventricular-structure-and-function-in-chronic-kidney-disease-the-chronic-renal-insufficiency-cohort
#4
Faraz S Ahmad, Xuan Cai, Katherine Kunkel, Ana C Ricardo, James P Lash, Dominic S Raj, Jiang He, Amanda H Anderson, Matthew J Budoff, Julie A Wright Nunes, Jason Roy, Jackson T Wright, Alan S Go, Martin G St John Sutton, John W Kusek, Tamara Isakova, Myles Wolf, Martin G Keane
BACKGROUND: Chronic kidney disease (CKD) is associated with increased risk of cardiovascular disease (CVD) and it is especially common among Blacks. Left ventricular hypertrophy (LVH) is an important subclinical marker of CVD, but there are limited data on racial variation in left ventricular structure and function among persons with CKD. METHODS: In a cross-sectional analysis of the Chronic Renal Insufficiency Cohort Study, we compared the prevalence of different types of left ventricular remodeling (concentric hypertrophy, eccentric hypertrophy, and concentric remodeling) by race/ethnicity...
April 24, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28443994/relationship-between-psychosocial-stress-dimensions-and-salivary-cortisol-in-military-police-officers
#5
Juliana Petri Tavares, Liana Lautert, Tânia Solange Bosi de Souza Magnago, Angélica Rosat Consiglio, Daiane Dal Pai
OBJECTIVE: to analyze the relationship between psychosocial stress dimensions and salivary cortisol in military police officers. METHOD: cross-sectional and analytical study with 134 military police officers. The Effort-Reward Imbalance (ERI) Model scale has been used to assess psychosocial stress. Salivary cortisol was collected in three samples. The following tests were used: Student's t-test, Mann-Whitney, ANOVA, Bonferroni, Kruskal-Wallis and Dunn. Pearson and Spearman correlation methods were used, as well as multiple linear regression...
April 20, 2017: Revista Latino-americana de Enfermagem
https://www.readbyqxmd.com/read/28441922/fluid-displacement-from-intraluminal-thrombus-of-abdominal-aortic-aneurysm-as-a-result-of-uniform-compression
#6
Kim van Noort, Richte Cl Schuurmann, Bryan Wermelink, Cornelis H Slump, Karel C Kuijpers, Jean-Paul Pm de Vries
Objectives The results after aneurysm repair with an endovascular aneurysm sealing (EVAS) system are dependent on the stability of the aneurysm sac and particularly the intraluminal abdominal aortic thrombus (ILT). The postprocedural ILT volume is decreased compared with preprocedural ILT volume in aortic aneurysm patients treated with EVAS. We hypothesize that ILT is not stable in all patients and pressurization of the ILT may result in displacement of fluids from the ILT, no differently than serum is displaced from whole blood when it settles...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28440817/effects-of-dopamine-d2-d3-receptor-antagonism-on-human-planning-and-spatial-working-memory
#7
M Naef, U Müller, A Linssen, L Clark, T W Robbins, C Eisenegger
Psychopharmacological studies in humans suggest important roles for dopamine (DA) D2 receptors in human executive functions, such as cognitive planning and spatial working memory (SWM). However, studies that investigate an impairment of such functions using the selective DA D2/3 receptor antagonist sulpiride have yielded inconsistent results, perhaps because relatively low doses were used. We believe we report for the first time, the effects of a higher (800 mg p.o.) single dose of sulpiride as well as of genetic variation in the DA receptor D2 gene (DA receptor D2 Taq1A polymorphism), on planning and working memory...
April 25, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28440017/a-study-of-the-vasera-arterial-stiffness-device-in-us-patients
#8
George Maliha, Raymond R Townsend
The cardio-ankle vascular index (CAVI) represents a promising index of arterial stiffness. However, neither the CAVI measure nor its measurement device, the VaSera, have undergone general testing in a North American clinical setting. To begin the process of collecting normal values in the United States, we studied 20 male and 28 female volunteers without reported cardiovascular or renal disease and no history of smoking. Their CAVIs, ankle-brachial indices (ABIs), and four-limb blood pressures were measured in three positions: supine, 7° Trendelenburg, and 7° reverse Trendelenburg...
April 25, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28438904/loss-of-resistance-to-angiotensin-ii-induced-hypertension-in-the-jackson-laboratory-recombination-activating-gene-null-mouse-on-the-c57bl-6j-background
#9
Hong Ji, Amrita V Pai, Crystal A West, Xie Wu, Robert C Speth, Kathryn Sandberg
Resistance to angiotensin II (Ang II)-induced hypertension in T-cell-deficient male mice with a targeted mutation in the recombination-activating gene-1 (Rag1) on the C57BL/6J background (B6.Rag1(-)(/-) -M), which was reported by 5 independent laboratories including ours before 2015, has been lost. In mice purchased from Jackson Laboratory in 2015 and 2016, the time course and magnitude increase in mean arterial pressure induced by 2 weeks of Ang II infusion at 490 ng/kg per minute was identical between B6...
April 24, 2017: Hypertension
https://www.readbyqxmd.com/read/28432895/predictive-ability-of-visit-to-visit-variability-in-hba1c-and-systolic-blood-pressure-for-the-development-of-microalbuminuria-and-retinopathy-in-people-with-type-2-diabetes
#10
Toshiko Takao, Machi Suka, Hiroyuki Yanagisawa, Yutaka Matsuyama, Yasuhiko Iwamoto
AIMS: We explored whether visit-to-visit variability in both glycated hemoglobin (HbA1c) and systolic blood pressure (SBP) simultaneously predicted the development of microalbuminuria and retinopathy, and whether the predictive ability of these measurements changed according to mean HbA1c and SBP levels in people with type 2 diabetes. METHODS: A retrospective observational cohort study was conducted on 243 type 2 diabetes patients with normoalbuminuria and 486 without retinopathy at the first visit and within 1year thereafter...
April 7, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28432612/evaluation-of-the-analgesia-nociception-index-ani-in-healthy-awake-volunteers
#11
Rami Issa, Marco Julien, Elizabeth Décary, Olivier Verdonck, Louis-Philippe Fortier, Pierre Drolet, Philippe Richebé
BACKGROUND: Analgesia might be evaluated with simple changes in vital signs, a non-specific and non-sensitive method. Heart rate variability (HRV) correlates with autonomous nervous system activity and can be used to evaluate painful stimuli. Heart rate variability is then transformed into a numeric scale called the analgesia nociception index (ANI), where higher values represent predominant parasympathetic tone, thus low nociception. Under general anesthesia, the ANI decreases following painful stimuli and increases after administration of analgesia, but significant interindividual variability is present...
April 21, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28430522/impact-of-naturalistic-lighting-on-hospitalized-stroke-patients-in-a-rehabilitation-unit-design-and-measurement
#12
Anders West, Poul Jennum, Sofie Amalie Simonsen, Birgit Sander, Milena Pavlova, Helle K Iversen
INTRODUCTION AND RATIONALE: Stroke is a major cause of acquired cerebral disability among adults, frequently accompanied by depression, anxiety, cognitive impairment, disrupted sleep and fatigue. New ways of intervention to prevent these complications are therefore needed. The major circadian regulator, the suprachiasmatic nucleus, is mainly controlled by natural daylight, and the blue spectrum is considered the most powerful. During stroke rehabilitation, patients typically are mostly indoors and therefore not exposed to the natural daytime variation in light intensity...
April 21, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28430114/urban-and-rural-differences-in-hypertension-risk-factors-in-turkey
#13
İlker Daştan, Ayşegül Erem, Volkan Çetinkaya
OBJECTIVE: Existing literature shows considerable regional differences in terms of hypertension (HT) prevalence in Turkey. The purpose of this study was to analyze some of the known HT risk factors contributing to the variations between urban and rural areas of Turkey in HT development. METHODS: We used data from the 2011 Chronic Diseases and Risk Factors Survey that was conducted by the Turkish Ministry of Health on a representative sample of the Turkish adult population aged 20 years or more (n=16...
April 19, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28427345/variation-in-gp-decisions-on-antihypertensive-treatment-in-oldest-old-and-frail-individuals-across-29-countries
#14
Sven Streit, Marjolein Verschoor, Nicolas Rodondi, Daiana Bonfim, Robert A Burman, Claire Collins, Gerasimovska Kitanovska Biljana, Sandra Gintere, Raquel Gómez Bravo, Kathryn Hoffmann, Claudia Iftode, Kasper L Johansen, Ngaire Kerse, Tuomas H Koskela, Sanda Kreitmayer Peštić, Donata Kurpas, Christian D Mallen, Hubert Maisoneuve, Christoph Merlo, Yolanda Mueller, Christiane Muth, Marija Petek Šter, Ferdinando Petrazzuoli, Thomas Rosemann, Martin Sattler, Zuzana Švadlenková, Athina Tatsioni, Hans Thulesius, Victoria Tkachenko, Peter Torzsa, Rosy Tsopra, Tuz Canan, Rita P A Viegas, Shlomo Vinker, Margot W M de Waal, Andreas Zeller, Jacobijn Gussekloo, Rosalinde K E Poortvliet
BACKGROUND: In oldest-old patients (>80), few trials showed efficacy of treating hypertension and they included mostly the healthiest elderly. The resulting lack of knowledge has led to inconsistent guidelines, mainly based on systolic blood pressure (SBP), cardiovascular disease (CVD) but not on frailty despite the high prevalence in oldest-old. This may lead to variation how General Practitioners (GPs) treat hypertension. Our aim was to investigate treatment variation of GPs in oldest-olds across countries and to identify the role of frailty in that decision...
April 20, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28427320/the-role-of-inelastic-deformations-in-the-mechanical-response-of-endovascular-shape-memory-alloy-devices
#15
Lorenza Petrini, Alessandro Bertini, Francesca Berti, Giancarlo Pennati, Francesco Migliavacca
Nickel-titanium alloys are commonly adopted for producing cardiovascular minimally invasive devices such as self-expandable stents, aortic valves and stent-grafts. These devices are subjected to cyclic loads (due to blood pulsatility, leg or heart movements), that can induce fatigue fracture, and may also be subjected to very large deformations (due to crimping procedure, a tortuous physiological path or overloads), that can induce material yield. Recently, the authors developed a new constitutive model that considers inelastic strains due to not-completed reverse phase transformation (not all the stress-induced martensite turns back to austenite) or/and plasticity and their accumulation during cyclic loads...
May 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28422884/posterior-reversible-encephalopathy-syndrome-in-a-postpartum-hemorrhagic-woman-without-hypertension-a-case-report
#16
Chon-Fu Lio, Ying-Hua Lee, Hung-Yen Chan, Chang-Ching Yu, Nan-Jing Peng, Hung-Pin Chan
RATIONALE: Posterior reversible encephalopathy syndrome (PRES), which diagnosis is based on clinical symptoms and radiological features, is a neurotoxic disease characterized by a set of clinical manifestations, such as seizure, headache, visual, and/or consciousness disturbance. It is the first case of PRES followed by postpartum hemorrhage (PPH) without underlying disease. PATIENT CONCERNS: A 37-year-old healthy woman had PPH after caesarean section. Six days after delivery, headache occurred suddenly, followed by episodes of clonus seizure...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28422346/does-limb-partitioning-and-positioning-affect-acute-cardiorespiratory-responses-during-strength-exercises-in-patients-with-copd
#17
Priscila Robles, Tamara Araujo, Dina Brooks, Karl Zabjek, Tania Janaudis-Ferreira, Susan Marzolini, Roger Goldstein, Sunita Mathur
BACKGROUND AND OBJECTIVE: Cardiorespiratory responses and symptoms in response to endurance exercise in patients with COPD vary with the number and position of involved limbs. Responses to such variations have never been quantified for strength exercises. We therefore assessed acute cardiorespiratory responses during brief bouts of weight lifting exercises. METHODS: We compared double- versus single-limb leg extensions and arm elevations, as well as arm elevation done above or below shoulder level in patients with moderate to severe COPD (n = 10, 6 males, 66 (8...
April 19, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28421732/comparison-of-absolute-fluid-restriction-versus-relative-volume-redistribution-strategy-in-low-central-venous-pressure-anesthesia-in-liver-resection-surgery-a-randomized-controlled-trial
#18
Jan Zatloukal, Richard Pradl, Jakub Kletečka, Tomáš Skalický, Václav Liška, Jan Benes
BACKGROUND: Lowering central venous pressure (CVP) can decrease blood loss during liver resection and it is associated with improved outcomes. Multiple CVP reducing maneuvers have been described, but direct comparison of their effectiveness and safety has never been performed. METHODS: Patients undergoing resections of 2 or more liver segments were equally randomized to absolute fluid restriction (AR, N = 17) or relative volume redistribution group (RR, N = 17)...
April 19, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28420122/the-effect-of-salt-intake-and-potassium-supplementation-on-serum-gastrin-levels-in-chinese-adults-a-randomized-trial
#19
Yuan-Yuan Wang, Wen-Wen He, Yan-Chun Liu, Yi-Feng Lin, Lu-Fei Hong
Excess dietary salt is strongly correlated with cardiovascular disease, morbidity, and mortality. Conversely, potassium likely elicits favorable effects against cardiovascular disorders. Gastrin, which is produced by the G-cells of the stomach and duodenum, can increase renal sodium excretion and regulate blood pressure by acting on the cholecystokinin B receptor. The aim of our study was to assess the effects of altered salt and potassium supplementation on serum gastrin levels in humans. A total of 44 subjects (38-65 years old) were selected from a rural community in northern China...
April 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28419822/inhibitory-effects-of-losartan-and-azelnidipine-on-augmentation-of-blood-pressure-variability-induced-by-angiotensin-ii-in-rats
#20
Danfeng Jiang, Yukiko Kawagoe, Kenji Kuwasako, Kazuo Kitamura, Johji Kato
Increased blood pressure variability has been shown to be associated with cardiovascular morbidity and mortality. Recently we reported that continuous infusion of angiotensin II not only elevated blood pressure level, but also increased blood pressure variability in a manner assumed to be independent of blood pressure elevation in rats. In the present study, the effects of the angiotensin type I receptor blocker losartan and the calcium channel blocker azelnidipine on angiotensin II-induced blood pressure variability were examined and compared with that of the vasodilator hydralazine in rats...
April 15, 2017: European Journal of Pharmacology
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