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Sickle Cell Disease Subjects Have a Distinct Abnormal Autonomic Phenotype Characterized by Peripheral Vasoconstriction With Blunted Cardiac Response to Head-Up Tilt
Conclusion We have shown that SCD subjects are much more likely than non-SCD subjects to have impaired cardiac, but intact peripheral responses to orthostatic stress induced by HUT. These abnormal responses are associated with low baseline cardiac parasympathetic activity, independent of hemoglobin level. The classification of autonomic phenotypes based on HUT response may have potential use for predicting disease severity, guiding and targeting treatments/interventions to alleviate the risk of adverse outcomes in SCD. Ethics Statement All experiments were conducted at Children’s Hospital Los Angeles (CHLA). The ...
Source: Frontiers in Physiology - April 10, 2019 Category: Physiology Source Type: research

Combination of Dexmedetomidine and Ketamine for Magnetic Resonance Imaging Sedation
Conclusions: The efficacy of DEX–KET sedation was comparable to that of midazolam for MRI examination. DEX–KET was related to shorter scan time and lower occurrence of complications compared to midazolam. Introduction Neurocritically ill patients often require brain magnetic resonance imaging (MRI) in addition to conventional neurological evaluations. Brain MRI can reveal structural lesions with a high sensitivity due to its excellent spatial resolution and enhanced soft tissue contrast (1–3). To acquire MRI images, patients' cooperation is imperative. However, keeping patients with ...
Source: Frontiers in Neurology - April 23, 2019 Category: Neurology Source Type: research

Plasma Metal Concentrations and Incident Coronary Heart Disease in Chinese Adults: The Dongfeng-Tongji Cohort
Conclusions: Our study suggested that incident CHD was positively associated with plasma levels of titanium and arsenic, and inversely associated with selenium. Additional research is needed to confirm these findings in other populations. https://doi.org/10.1289/EHP1521 Received: 22 December 2016 Revised: 17 September 2017 Accepted: 19 September 2017 Published: 19 October 2017 Address correspondence to T. Wu, or A. Pan, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hongkong Rd., Wuhan 430030, Hubei, China. Telephone: +86-27-83692347. Email: wut@mails.tjmu.edu.cn or p...
Source: EHP Research - October 20, 2017 Category: Environmental Health Authors: Daniil Lyalko Tags: Research Source Type: research

IJERPH, Vol. 16, Pages 4068: Hypertension Diagnosis Index for Discrimination of High-Risk Hypertension ECG Signals Using Optimal Orthogonal Wavelet Filter Bank
harya Hypertension (HT) is an extreme increment in blood pressure that can prompt a stroke, kidney disease, and heart attack. HT does not show any symptoms at the early stage, but can lead to various cardiovascular diseases. Hence, it is essential to identify it at the beginning stages. It is tedious to analyze electrocardiogram (ECG) signals visually due to their low amplitude and small bandwidth. Hence, to avoid possible human errors in the diagnosis of HT patients, an automated ECG-based system is developed. This paper proposes the computerized segregation of low-risk hypertension (LRHT) and high-risk hypertension (...
Source: International Journal of Environmental Research and Public Health - October 22, 2019 Category: Environmental Health Authors: Jaypal Singh Rajput Manish Sharma U. Rajendra Acharya Tags: Article Source Type: research

157 E-Books New to JEFFLINE
Scott Library added these 157 e-books to the growing collection in May and June: Accurate Results in the Clinical Laboratory Adult Emergency Medicine Adult-Gerontology and Family Nurse Practitioner Certification Examination (4th ed.) Advanced Assessment: Interpreting Findings and Formulating Differential Diagnoses (2nd ed.) Advancing Your Career: Concepts of Professional Nursing (5th ed.) Arrhythmia Essentials Atlas of Advanced Operative Surgery Atlas of Clinical Neurology (3rd ed.) Atlas of Hematopathology: Morphology, Immunophenotype, Cytogenetics, and Molecular Approaches Atlas of Human Infectious Diseases Atlas of No...
Source: What's New on JEFFLINE - June 25, 2013 Category: Databases & Libraries Authors: Gary Kaplan Tags: All News Clinicians Researchers Students Teaching Faculty Source Type: news

Disrupting Today's Healthcare System
This week in San Diego, Singularity University is holding its Exponential Medicine Conference, a look at how technologists are redesigning and rebuilding today's broken healthcare system. Healthcare today is reactive, retrospective, bureaucratic and expensive. It's sick care, not healthcare. This blog is about why the $3 trillion healthcare system is broken and how we are going to fix it. First, the Bad News: Doctors spend $210 billion per year on procedures that aren’t based on patient need, but fear of liability. Americans spend, on average, $8,915 per person on healthcare – more than any other count...
Source: Healthy Living - The Huffington Post - November 9, 2015 Category: Consumer Health News Source Type: news

Atrial Transcriptional Profiles of Molecular Targets Mediating Electrophysiological Function in Aging and Pgc-1 β Deficient Murine Hearts
Conclusion: These findings limit the possible roles of gene transcriptional changes in previously reported age-dependent pro-arrhythmic electrophysiologial changes observed in Pgc-1β-/- atria to an altered Ca2+-ATPase (Atp2a2) expression. This directly parallels previously reported arrhythmic mechanism associated with p21-activated kinase type 1 deficiency. This could add to contributions from the direct physiological outcomes of mitochondrial dysfunction, whether through reactive oxygen species (ROS) production or altered Ca2+ homeostasis. Introduction Atrial arrhythmias constitute a major public health pro...
Source: Frontiers in Physiology - April 23, 2019 Category: Physiology Source Type: research