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https://www.readbyqxmd.com/read/27906477/blood-pressure-measurements-in-780-apparently-healthy-cats
#1
J R Payne, D C Brodbelt, V Luis Fuentes
BACKGROUND: Mean systolic blood pressure in apparently healthy cats has been reported as approximately 125 mmHg using direct assessment, but there is greater variability in reported values using indirect assessment. Increasing age and the white-coat effect are associated with increased systolic blood pressure. HYPOTHESIS/OBJECTIVES: To report Doppler-derived blood pressure measurements from a large population of apparently healthy cats and to assess epidemiologic factors associated with recorded blood pressures...
December 1, 2016: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/27904982/magnetic-resonance-evaluation-of-cardiac-thrombi-and-masses-by-t1-and-t2-mapping-an-observational-study
#2
Thibault Caspar, Soraya El Ghannudi, Mickaël Ohana, Aïssam Labani, Aubrietia Lawson, Patrick Ohlmann, Olivier Morel, Michel De Mathelin, Catherine Roy, Afshin Gangi, Philippe Germain
The purpose of this work was to evaluate CMR T1 and T2 mapping sequences in patients with intracardiac thrombi and masses in order to assess T1 and T2 relaxometry usefulness and to allow better etiological diagnosis. This observational study of patients scheduled for routine CMR was performed from September 2014 to August 2015. All patients referred to our department for a 1.5 T CMR were screened to participate. T1 mapping were acquired before and after Gadolinium injection; T2 mapping images were obtained before injection...
December 1, 2016: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/27901325/asymptomatic-carotid-artery-stenosis-who-should-be-screened-who-should-be-treated-and-how-should-we-treat-them
#3
Djurre D DE Waard, Dylan Morris, Gert J DE Borst, Richard Bulbulia, Alison Halliday
Although stopping smoking, lowering blood pressure and reducing lipid levels will reduce global stroke risk and cardiovascular mortality, these remain leading causes of death and disability especially in ageing populations. Further prevention strategies are needed and, in the first part of this review, we explore the potential benefits of appropriate screening for carotid artery disease to reduce stroke and identify those who may have related cardiac disease. Although whole-population carotid screening is an inefficient and costly means of identifying candidates with tight carotid stenosis who might warrant intervention, it can identify many people with lower levels of stenosis who may benefit from cardiovascular risk reducing medications...
November 30, 2016: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/27899691/high-throughput-spectral-and-lifetime-based-fret-screening-in-living-cells-to-identify-small-molecule-effectors-of-serca
#4
Tory M Schaaf, Kurt C Peterson, Benjamin D Grant, Prachi Bawaskar, Samantha Yuen, Ji Li, Joseph M Muretta, Gregory D Gillispie, David D Thomas
A robust high-throughput screening (HTS) strategy has been developed to discover small-molecule effectors targeting the sarco/endoplasmic reticulum calcium ATPase (SERCA), based on a fluorescence microplate reader that records both the nanosecond decay waveform (lifetime mode) and the complete emission spectrum (spectral mode), with high precision and speed. This spectral unmixing plate reader (SUPR) was used to screen libraries of small molecules with a fluorescence resonance energy transfer (FRET) biosensor expressed in living cells...
November 29, 2016: Journal of Biomolecular Screening
https://www.readbyqxmd.com/read/27899143/presymptomatic-diagnosis-of-fabry-s-disease-a-case-report
#5
Rasmus Bo Hasselbalch, Per Lav Madsen, Henning Bundgaard, Juliane Theilade
BACKGROUND: Fabry's disease is a rare X-linked genetic disorder characterized by reduced levels of the α-galactosidase A enzyme. It may present with a cardiac phenotype resembling hypertrophic cardiomyopathy. However, as a specific enzyme replacement therapy is available, it remains an important differential diagnoses in patients presenting with cardiac hypertrophy. In boys, onset has been reported in early childhood with complaints initially comprising neuropathic pain, reduced sweat production, and gastrointestinal symptoms...
November 29, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27897225/calmodulin-interacts-with-rab3d-and-modulates-osteoclastic-bone-resorption
#6
Sipin Zhu, Shek Man Chim, Taksum Cheng, Estabelle Ang, Benjamin Ng, Baysie Lim, Kai Chen, Heng Qiu, Jennifer Tickner, Huazi Xu, Nathan Pavlos, Jiake Xu
Calmodulin is a highly versatile protein that regulates intracellular calcium homeostasis and is involved in a variety of cellular functions including cardiac excitability, synaptic plasticity and signaling transduction. During osteoclastic bone resorption, calmodulin has been reported to concentrate at the ruffled border membrane of osteoclasts where it is thought to modulate bone resorption activity in response to calcium. Here we report an interaction between calmodulin and Rab3D, a small exocytic GTPase and established regulator osteoclastic bone resorption...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27895476/community-based-exercise-training-for-people-with-chronic-respiratory-and-chronic-cardiac-disease-a-mixed-methods-evaluation
#7
Renae J McNamara, Zoe J McKeough, Laura R Mo, Jamie T Dallimore, Sarah M Dennis
BACKGROUND: Poor uptake and adherence are problematic for hospital-based pulmonary and heart failure rehabilitation programs, often because of access difficulties. The aims of this mixed-methods study were to determine the feasibility of a supervised exercise training program in a community gymnasium in people with chronic respiratory and chronic cardiac disease, to explore the experiences of participants and physiotherapists and to determine if a community venue improved access and adherence to rehabilitation...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27895044/polymorphisms-in-the-gnas-gene-as-predictors-of-ventricular-tachyarrhythmias-and-sudden-cardiac-death-results-from-the-discovery-trial-and-oregon-sudden-unexpected-death-study
#8
Heinrich Wieneke, Jesper Hastrup Svendsen, Jeffrey Lande, Sebastian Spencker, Juan Gabriel Martinez, Bernhard Strohmer, Lauri Toivonen, Hervé Le Marec, F Javier Garcia-Fernandez, Domenico Corrado, Adriana Huertas-Vazquez, Audrey Uy-Evanado, Carmen Rusinaru, Kyndaron Reinier, Csaba Foldesi, Wieslaw Hulak, Sumeet S Chugh, Winfried Siffert
BACKGROUND: Population-based studies suggest that genetic factors contribute to sudden cardiac death (SCD). METHODS AND RESULTS: In the first part of the present study (Diagnostic Data Influence on Disease Management and Relation of Genetic Polymorphisms to Ventricular Tachy-arrhythmia in ICD Patients [DISCOVERY] trial) Cox regression was done to determine if 7 single-nucleotide polymorphisms (SNPs) in 3 genes coding G-protein subunits (GNB3, GNAQ, GNAS) were associated with ventricular tachyarrhythmia (VT) in 1145 patients receiving an implantable cardioverter-defibrillator (ICD)...
November 28, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27893829/sansevieria-roxburghiana-schult-schult-f-family-asparagaceae-attenuates-type-2-diabetes-and-its-associated-cardiomyopathy
#9
Niloy Bhattacharjee, Ritu Khanra, Tarun K Dua, Susmita Das, Bratati De, M Zia-Ul-Haq, Vincenzo De Feo, Saikat Dewanjee
BACKGROUND: Sansevieria roxburghiana Schult. & Schult. F. (Family: Asparagaceae) rhizome has been claimed to possess antidiabetic activity in the ethno-medicinal literature in India. Therefore, present experiments were carried out to explore the protective role of edible (aqueous) extract of S. roxburghiana rhizome (SR) against experimentally induced type 2 diabetes mellitus (T2DM) and its associated cardiomyopathy in Wistar rats. METHODS: SR was chemically characterized by GC-MS analysis...
2016: PloS One
https://www.readbyqxmd.com/read/27890915/pharmacological-evidence-a-new-therapeutic-approach-to-the-treatment-of-chronic-heart-failure-through-sur2b-kir6-1-channel-in-endothelial-cells
#10
Shang Wang, Chao-Liang Long, Jun Chen, Wen-Yu Cui, Yan-Fang Zhang, Hao Zhang, Hai Wang
Both iptakalim (Ipt) and natakalim (Nat) activate the SUR2B/Kir6.1 channel, an ATP-sensitive potassium channel (KATP) subtype, with high selectivity. In this study we investigated the therapeutic effects of Ipt and Nat against isoproterenol-induced chronic heart failure (ISO-CHF) in rats, and demonstrated a new therapeutic approach to the treatment of CHF through activation of the SUR2B/Kir6.1 channel in endothelial cells. In ISO-CHF rats, oral administration of Nat (1, 3, 9 mg·kg(-1)·d(-1)) or Ipt (3 mg·kg(-1)·d(-1)) for 60 days significantly improved cardiac dysfunction, reversed cardiac remodeling, significantly attenuated the pathological increases in BNP levels, and improved endothelial dysfunction by adjusting the balance between endothelin and NO systems...
November 28, 2016: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/27890729/maturation-of-human-embryonic-stem-cell-derived-cardiomyocytes-hesc-cms-in-3d-collagen-matrix-effects-of-niche-cell-supplementation-and-mechanical-stimulation
#11
W Zhang, C W Kong, M H Tong, W H Chooi, N Huang, R A Li, B P Chan
: Cardiomyocytes derived from human embryonic stem cells (hESC-CMs) are regarded as a promising source for regenerative medicine, drug testing and disease modeling. Nevertheless, cardiomyocytes are immature in terms of their contractile structure, metabolism and electrophysiological properties. Here, we fabricate cardiac muscle strips by encapsulating hESC-CMs in collagen-based biomaterials. Supplementation of niche cells at 3% to the number of hESC-CMs enhance the maturation of the hESC-CMs in 3D tissue matrix...
November 24, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27886790/cardiac-disease-associated-with-human-immunodeficiency-virus-infection
#12
REVIEW
Gerald S Bloomfield, Claudia Leung
Over the last 2 decades human immunodeficiency virus (HIV) infection has become a chronic disease requiring long-term management. Aging, antiretroviral therapy, chronic inflammation, and several other factors contribute to the increased risk of cardiovascular disease in patients infected with HIV. In low-income and middle-income countries where antiretroviral therapy access is limited, cardiac disease is most commonly related to opportunistic infections and end-stage manifestations of HIV/acquired immunodeficiency syndrome, including HIV-associated cardiomyopathy, pericarditis, and pulmonary arterial hypertension...
February 2017: Cardiology Clinics
https://www.readbyqxmd.com/read/27886788/chagas-cardiomyopathy-clinical-presentation-and-management-in-the-americas
#13
REVIEW
Catherine Pastorius Benziger, Gabriel Assis Lopes do Carmo, Antonio Luiz Pinho Ribeiro
The initial infection of Chagas disease is typically asymptomatic, but approximately 30% of people will progress to a chronic cardiac form, and others develop the gastrointestinal form. Death is often sudden due to arrhythmias or progressive heart failure. Prevention through vector control programs and blood bank screening, along with strengthened surveillance systems and rapid information sharing, are key to decreasing disease burden globally. The epidemiology, diagnostic evaluation, diagnosis, and treatment of acute and chronic Chagas cardiac disease are discussed with focus on educating the primary care professionals and general cardiologists in nonendemic areas who have limited experience treating this disease...
February 2017: Cardiology Clinics
https://www.readbyqxmd.com/read/27885498/prognostic-predictive-value-of-gene-mutations-in-japanese-patients-with-hypertrophic-cardiomyopathy
#14
Ayako Chida, Kei Inai, Hiroki Sato, Eriko Shimada, Tsutomu Nishizawa, Mitsuyo Shimada, Michiko Furutani, Yoshiyuki Furutani, Yoichi Kawamura, Masaya Sugimoto, Jun Ishihara, Masako Fujiwara, Takashi Soga, Masatoshi Kawana, Shinya Fuji, Shigeru Tateno, Kenji Kuraishi, Shigetoyo Kogaki, Mitsuhiro Nishimura, Mamoru Ayusawa, Fukiko Ichida, Hirokuni Yamazawa, Rumiko Matsuoka, Shigeaki Nonoyama, Toshio Nakanishi
Although some studies have attempted to find useful prognostic factors in hypertrophic cardiomyopathy (HCM), those results are not fully helpful for use in actual clinical practice. Furthermore, several genetic abnormalities associated with HCM have been identified. However, the genotype-phenotype correlation in HCM remains to be elucidated. Here, we attempted to assess patients with different types of gene mutations causing HCM and investigate the prognosis. A total of 140 patients with HCM underwent a screening test for myofilament gene mutations by direct sequencing of eight sarcomeric genes...
November 24, 2016: Heart and Vessels
https://www.readbyqxmd.com/read/27884456/-neurosarcoidosis-diagnosis-and-therapeutic-issues
#15
F Cohen Aubart, D Galanaud, J Haroche, D Psimaras, A Mathian, M Hié, D Le-Thi Huong Boutin, F Charlotte, E Maillart, T Maisonobe, Z Amoura
Neurological localizations of sarcoidosis are heterogeneous and may affect virtually every part of the central or peripheral nervous system. They are often the inaugural manifestation of sarcoidosis. The diagnosis may be difficult due to the lack of extra-neurological localization. Diagnosis may be discussed in the presence of an inflammatory neurological disease, in particular in case of suggestive radiological or biological pattern. Cerebrospinal fluid analysis shows lymphocytic pleiocytosis, often with low glucose level...
November 21, 2016: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/27884358/application-of-3-dimensional-computed-tomographic-image-guidance-to-watchman-implantation-and-impact-on%C3%A2-early-operator-learning-curve-single-center-experience
#16
Dee Dee Wang, Marvin Eng, Daniel Kupsky, Eric Myers, Michael Forbes, Mehnaz Rahman, Mohammad Zaidan, Sachin Parikh, Janet Wyman, Milan Pantelic, Thomas Song, Jeff Nadig, Patrick Karabon, Adam Greenbaum, William O'Neill
OBJECTIVES: The aim of this study was to examine the impact of 3-dimensional (3D) computed tomographic (CT) guided procedural planning for left atrial appendage (LAA) occlusion on the early operator WATCHMAN learning curve. BACKGROUND: Traditional WATCHMAN implantation is dependent on 2-dimensional transesophageal echocardiographic (TEE) sizing and intraprocedural guidance. METHODS: LAA occlusion with the WATCHMAN device was performed in 53 patients...
November 28, 2016: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/27884215/public-perception-of-emergency-medical-services-in-the-united-states
#17
Remle P Crowe, Roger Levine, Severo Rodriguez, Ashley D Larrimore, Ronald G Pirrallo
OBJECTIVE: The objective of this study was to assess the public's experience, expectations, and perceptions related to Emergency Medical Services (EMS). METHODS: A population-based telephone interview of adults in the United States was conducted. The survey instrument consisted of 112 items. Demographic variables including age, race, political beliefs, and household income were collected. Data collection was performed by trained interviewers from Kent State University's (Kent, Ohio USA)Social Research Laboratory...
November 25, 2016: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/27883195/the-use-of-cardiac-orienting-responses-as-an-early-and-scalable-biomarker-of-alcohol-related-neurodevelopmental-impairment
#18
Diego A Mesa, Julie A Kable, Claire D Coles, Kenneth Lyons Jones, Lyubov Yevtushok, Yaroslav Kulikovsky, Wladimir Wertelecki, Todd P Coleman, Christina D Chambers
BACKGROUND: Considered the leading cause of developmental disabilities worldwide, fetal alcohol spectrum disorders (FASD) are a global health problem. To take advantage of neural plasticity, early identification of affected infants is critical. The cardiac orienting response (COR) has been shown to be sensitive to the effects of prenatal alcohol exposure and is an inexpensive, easy to administer assessment tool. The purpose of this study was to evaluate the COR effectiveness in assessing individual risk of developmental delay...
November 24, 2016: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/27882733/anomalous-origin-of-the-right-coronary-artery-first-familial-cases-in-asia
#19
Hideki Motomura, Mari Yokokawa, Hirofumi Fukunaga, Mari Nakagaki, Tomoyuki Hasuwa, Hiroyuki Moriuchi
Congenital coronary artery abnormalities may cause sudden death, particularly in athletes. Two siblings, aged 10 and 9 years, respectively, were diagnosed with anomalous origin of the right coronary artery on multi-detector computed tomography (MDCT). The right coronary artery arose from the left coronary cusp, and was wedged between the aorta and pulmonary artery. This was also noted on cardiac ultrasonography (UCG), but in general this might not be seen on electrocardiography at rest. Although the surgical indications are unclear in the case of unproven ischemia, early recognition of the condition may reduce risk of the cardiac events during exercise...
November 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27880695/the-association-of-birth-weight-and-infant-growth-with-childhood-autonomic-nervous-system-activity-and-its-mediating-effects-on-energy-balance-related-behaviours-the-abcd-study
#20
Arend W van Deutekom, Mai Jm Chinapaw, Maaike Gj Gademan, Jos Wr Twisk, Reinoud Jbj Gemke, Tanja Gm Vrijkotte
BACKGROUND: The purpose of this study was to examine the association of birth weight and infant growth with childhood autonomic nervous system (ANS) activity and to assess whether ANS activity mediates the associations of birth weight and infant growth with energy-balance-related behaviours, including energy intake, satiety response, physical activity and screen time. METHODS: In 2089 children, we prospectively collected birth weight, infant growth defined as conditional weight and height gain between birth and 12 months and-at 5 years-indices of cardiac ANS activity and parent-reported energy-balance-related behaviours...
August 2016: International Journal of Epidemiology
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