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https://www.readbyqxmd.com/read/28936734/exosomes-as-new-intercellular-mediators-in-development-and-therapeutics-of-cardiomyocyte-hypertrophy
#1
Qi Huang, Benzhi Cai
Myocardial hypertrophy is a common cardiac condition in response to hemodynamic and neurohormonal alterations. Pathological hypertrophic growth in hearts caused the decline of cardiac functions, and finally developed into congestive heart failure. The exosomes are small membrane vesicles which are secreted by various cells and play important roles in cellular communication, migration, proliferation and differentiation. Recent studies uncovered that the exosomes from cardiac fibroblasts and other tissues participates in the development of myocardial hypertrophy...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28934961/area-asymmetry-of-heart-rate-variability-signal
#2
Chang Yan, Peng Li, Lizhen Ji, Lianke Yao, Chandan Karmakar, Changchun Liu
BACKGROUND: Heart rate fluctuates beat-by-beat asymmetrically which is known as heart rate asymmetry (HRA). It is challenging to assess HRA robustly based on short-term heartbeat interval series. METHOD: An area index (AI) was developed that combines the distance and phase angle information of points in the Poincaré plot. To test its performance, the AI was used to classify subjects with: (i) arrhythmia, and (ii) congestive heart failure, from the corresponding healthy controls...
September 21, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28934226/pathological-alterations-in-liver-injury-following-congestive-heart-failure-induced-by-volume-overload-in-rats
#3
Mohammed Shaqura, Doaa M Mohamed, Noureddin B Aboryag, Lama Bedewi, Lukas Dehe, Sascha Treskatsch, Mehdi Shakibaei, Michael Schäfer, Shaaban A Mousa
Heart failure has emerged as a disease with significant public health implications. Following progression of heart failure, heart and liver dysfunction are frequently combined in hospitalized patients leading to increased morbidity and mortality. Here, we investigated the underlying pathological alterations in liver injury following heart failure. Heart failure was induced using a modified infrarenal aortocaval fistula (ACF) in male Wistar rats. Sham operated and ACF rats were compared for their morphometric and hemodynamic data, for histopathological and ultrastructural changes in the liver as well as differences in the expression of apoptotic factors...
2017: PloS One
https://www.readbyqxmd.com/read/28933414/association-between-low-serum-bicarbonate-concentrations-and-cardiovascular-disease-in-patients-in-the-end-stage-of-renal-disease
#4
Vaia D Raikou, Despina Kyriaki
BACKGROUND: Metabolic acidosis, a common condition particularly in the end-stage of renal disease patients, results in malnutrition, inflammation and oxidative stress. In this study, we focused on the association between low serum bicarbonate and cardiovascular disease in patients on intermittent dialysis. METHODS: We studied 52 on-line-pre-dilution hemodiafiltration (on-l HDF) patients, 32 males and 20 females, with a mean age of 58.01 ± 15.4 years old. Metabolic acidosis was determined by serum bicarbonate concentrations less than 22 mmol/L...
November 15, 2016: Diseases (Basel)
https://www.readbyqxmd.com/read/28931509/development-and-validation-of-qmortality-risk-prediction-algorithm-to-estimate-short-term-risk-of-death-and-assess-frailty-cohort-study
#5
Julia Hippisley-Cox, Carol Coupland
Objectives To derive and validate a risk prediction equation to estimate the short term risk of death, and to develop a classification method for frailty based on risk of death and risk of unplanned hospital admission.Design Prospective open cohort study.Participants Routinely collected data from 1436 general practices contributing data to QResearch in England between 2012 and 2016. 1079 practices were used to develop the scores and a separate set of 357 practices to validate the scores. 1.47 million patients aged 65-100 years were in the derivation cohort and 0...
September 20, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28931366/prolonged-intensive-care-unit-stay-following-transcatheter-aortic-valve-replacement
#6
Ryosuke Higuchi, Morimasa Takayama, Kenichi Hagiya, Mike Saji, Keitaro Mahara, Itaru Takamisawa, Jun Shimizu, Tetsuya Tobaru, Nobuo Iguchi, Shuichiro Takanashi
PURPOSE: Postoperative intensive care unit (ICU) stay after cardiac surgeries has been extensively studied, but little attention has been given to ICU stay following transcatheter aortic valve replacement (TAVR). This study examined ICU stay after TAVR. METHODS: Two hundred and forty-five patients who underwent TAVR between April 2010 and October 2016 were studied retrospectively. We investigated the status of ICU stay, the predictors of prolonged ICU stay (PICUS), and its impact on short- and long-term outcomes...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28930184/use-of-wavelet-transform-to-detect-compensated-and-decompensated-stages-in-the-congestive-heart-failure-patient
#7
Pratibha Sharma, Kimberly Newman, Carlin S Long, A J Gasiewski, Frank Barnes
This research work is aimed at improving health care, reducing cost, and the occurrence of emergency hospitalization in patients with Congestive Heart Failure (CHF) by analyzing heart and lung sounds to distinguish between the compensated and decompensated states. Compensated state defines stable state of the patient but with lack of retention of fluids in lungs, whereas decompensated state leads to unstable state of the patient with lots of fluid retention in the lungs, where the patient needs medication. Acoustic signals from the heart and the lung were analyzed using wavelet transforms to measure changes in the CHF patient's status from the decompensated to compensated and vice versa...
September 20, 2017: Biosensors
https://www.readbyqxmd.com/read/28929036/factors-affecting-length-of-stay-following-elective-anterior-and-posterior-cervical-spine-surgery
#8
Frank J Yuk, Akbar Y Maniya, Jonathan J Rasouli, Alexa M Dessy, Patrick J McCormick, Tanvir F Choudhri
Background Disease of the cervical spine is widely prevalent, most commonly secondary to degenerative disc changes and spondylosis. Objective The goal of the paper was to identify a possible discrepancy regarding the length of stay (LOS) between the anterior and posterior approaches to elective cervical spine surgery and identify contributing factors. Methods A retrospective study was performed on 587 patients (341 anterior, 246 posterior) that underwent elective cervical spinal surgery between October 2001 and March 2014...
July 10, 2017: Curēus
https://www.readbyqxmd.com/read/28928923/adult-neck-hemangiolymphangioma-a-case-and-review-of-its-etiology-diagnosis-and-management
#9
Tyler Murphy, Daryl Ramai, Jonathan Lai, Kiyoe Sullivan, Cecil Grimes
Vascular anomalies constitute some of the most difficult diagnostic and therapeutic enigmas in the practice of medicine, ranging from an asymptomatic birthmark to life-threatening congestive heart failure. Hemangiolymphangiomas (HLA) are extremely rare vascular malformations of both lymphatic and blood vessels in which 80-90% are diagnosed during the first 2 years of life. Though rare, these vascular malformations have promising clinical outcomes. We report a case of a 28-year-old male who presented with a neck mass of unknown etiology...
August 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28927558/acute-leukemia-is-associated-with-cardiac-alterations-before-chemotherapy
#10
Bruna Morhy Borges Leal Assuncao, Mark D Handschumacher, Andrew M Brunner, Evin Yucel, Philipp E Bartko, Kai-Hung Cheng, Orlando Campos, Amir T Fathi, Timothy C Tan, Marielle Scherrer-Crosbie
BACKGROUND: Patients with acute leukemia (AL) have a higher rate of congestive heart failure than patients with other cancers. AL may predispose to cardiac dysfunction before chemotherapy because of high cytokine release or direct leukemic myocardial infiltration. The aims of this study were to evaluate whether AL is associated with abnormalities of myocardial structure and function before chemotherapy and to identify possible risk factors associated with these myocardial changes. METHODS: Using an echocardiographic database, 76 patients with AL and 76 patients without cancer matched for age, gender, hypertension, and the presence of diabetes were retrospectively selected...
September 15, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28925598/atrophy-of-the-parahippocampal-gyrus-is-prominent-in-heart-failure-patients-without-dementia
#11
Tomomi Meguro, Yuko Meguro, Takeyoshi Kunieda
AIMS: The exacerbation of heart failure (HF) induces brain damage and cognitive impairment (CI), which frequently attenuates the effects of treatment. However, it is not clear whether HF patients without clinical dementia demonstrate increased risk of CI. We examined whether local atrophy in the parahippocampal gyrus, a potential predictor of CI, is prominent in HF patients without clinical dementia. METHODS AND RESULTS: Twenty stable HF patients with a history of admission due to decompensated HF or presentation of apparent pulmonary congestion following chest X-ray and 17 controls were enrolled in this observational, analytical, cross-sectional, case-control study...
July 17, 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28925168/-meta-analysis-of-supplemented-zhenwu-decoction-for-treating-congestive-heart-failure
#12
Yuan-Ping Wang, Jie Xiong, Xia Yan, Xiao-Hui Li, Zi-Qing Luo
The paper was to systematically evaluate the clinical efficacy of supplemented Zhenwu decoction for treating congestive heart-failure. Three foreign language databases including the Cochrane Library, PubMed, EMbase and four Chinese databases including CBM, CNKI, VIP and Wanfang Database were retrieved from their establishment to July 2016 for all randomized control trials(RCTs) on supplemented Zhenwu decoction in treatment of congestive heart-failure. The references in the included RCTs were also traced. Literature selection and information extraction was completed and screened by two independent reviewers, and Meta-analysis was performed by using RevMan 5...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28924605/pai-1-is-a-critical-regulator-of-fgf23-homeostasis
#13
Mesut Eren, Aaron T Place, Paul M Thomas, Panagiotis Flevaris, Toshio Miyata, Douglas E Vaughan
Elevated levels of fibroblast growth factor 23 (FGF23), a bone-derived phosphaturic hormone, are associated with a number of pathologic conditions including chronic kidney disease, cardiac hypertrophy, and congestive heart failure. Currently, there are no specific treatments available to lower plasma FGF23 levels. We have recently reported that genetic plasminogen activator inhibitor-1 (PAI-1) deficiency provided a significant reduction in circulating FGF23 levels while simultaneously prolonging the life span of Klotho-deficient mice...
September 2017: Science Advances
https://www.readbyqxmd.com/read/28924593/use-of-the-over-the-scope-clip-otsc-in-non-variceal-upper-gastrointestinal-bleeding-in-patients-with-severe-cardiovascular-comorbidities-a-retrospective-study
#14
Edris Wedi, Daniel von Renteln, Susana Gonzalez, Olena Tkachenko, Carlo Jung, Sinan Orkut, Victor Roth, Selin Tumay, Juergen Hochberger
INTRODUCTION:  The over-the-scope-clip (OTSC) can potentially overcome limitations of standard clips and achieve more efficient and reliable hemostasis. Data on OTSC use for non-variceal upper gastrointestinal bleeding (NVUGIB) in patients with cardiovascular comorbidities are currently limited. PATIENTS AND METHODS:  We prospectively collected and retrospectively analyzed our database from February 2009 to September 2015 from all patients who underwent emergency endoscopy for high-risk NVUGIB in 2 academic centers and were treated with OTSC as first-line (n = 81) or second-line therapy (n = 19)...
September 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28924104/validation-of-the-r2chads2-and-chads2-scores-for-predicting-post-stroke-cognitive-impairment
#15
Kazuo Washida, Hisatomo Kowa, Hirotoshi Hamaguchi, Fumio Kanda, Tatsushi Toda
Objective Post-stroke cognitive impairment often afflicts stroke survivors and is a major obstacle both for cognitive and physical rehabilitation. Stroke risk scores ["Congestive heart failure, Hypertension, Age ≥75 years, Diabetes mellitus, Stroke" (CHADS2) and "CHADS2 + creatinine clearance <60 mL/min" (R2CHADS2)] are used to assess the future risk of cardioembolic stroke in patients with atrial fibrillation (AF). However, congestive heart failure, hypertension, aging, diabetes mellitus, stroke, and renal dysfunction are also risk factors for cognitive impairment...
September 15, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28915538/long-term-t3-and-t4-treatment-as-an-alternative-to-aerobic-exercise-training-in-improving-cardiac-function-post-myocardial-infarction
#16
Rayane Brinck Teixeira, Alexsandra Zimmer, Alexandre Luz de Castro, Bruna Gazzi de Lima-Seolin, Patrick Türck, Rafaela Siqueira, Adriane Belló-Klein, Pawan K Singal, Alex Sander da Rosa Araujo
Here we aimed to compare the beneficial effects of T3 and T4 hormone treatment to those provided by aerobic exercise training in Wistar rats post-myocardial infarction (MI). Rats in one group were SHAM-operated and in the other group were subjected to MI surgery. One week after surgery, the MI group animals either received T3 and T4 hormones by gavage or underwent a low intensity aerobic exercise training protocol on a treadmill, and both treatments lasted until 10 weeks after MI. Untreated SHAM-operated and MI groups were also followed for the same duration...
September 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28915393/the-comparative-effectiveness-of-noninvasive-and-invasive-ventilation-in-patients-with-pneumonia
#17
Mihaela S Stefan, Aruna Priya, Penelope S Pekow, Tara Lagu, Jay S Steingrub, Nicholas S Hill, Brian H Nathanson, Peter K Lindenauer
PURPOSE: To compare the outcomes of patients hospitalized with pneumonia treated with noninvasive ventilation (NIV) and invasive mechanical ventilation (IMV). MATERIALS AND METHODS: Using the HealthFacts multihospital electronic medical record database, we included patients hospitalized with a diagnosis of pneumonia and treated with NIV or IMV. We developed a propensity model for receipt of initial NIV and assessed the outcomes in a propensity-matched cohort, and in a covariate adjusted and propensity score weighted models...
May 23, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28913839/long-term-stability-of-a-compounded-suspension-of-torsemide-5-mg-ml-for-oral-administration
#18
D Adin, P R Johnson, C H Kim, T Nguyenba, S Rosen
BACKGROUND: Torsemide use for congestive heart failure (CHF) has been reported, but prescription frequency is unknown. Commercially available tablet sizes in North America limit dosing precision, indicating a need to evaluate its strength and stability in suspension. OBJECTIVES: To determine the frequency of torsemide prescriptions and to determine a beyond use date (BUD) of a compounded suspension of torsemide for oral administration stored under 2 temperature conditions for 90 days...
September 15, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28913677/thus-far-and-no-further-should-diastolic-hypotension-limit-intensive-blood-pressure-lowering
#19
REVIEW
Marcel Ruzicka, Cedric Edwards, Brendan McCormick, Swapnil Hiremath
Intensive blood pressure lowering to systolic blood pressure thresholds of less than 120 mmHg is making a slow comeback with the publication of trials supporting its benefit, especially in lowering stroke and congestive heart failure. At the same time, there is an increasing awareness of the prevalence and risk of diastolic hypotension, especially at levels of less than 60 mmHg, with support for the existence of a J-curve coming from post hoc analyses of trials and epidemiological data from large cohort studies...
September 14, 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28912910/prognostic-significance-of-elevated-cardiac-troponin-in-acute-gastrointestinal-bleeding
#20
Umair Iqbal, Osama Siddique, Ayesha Jameel, Hafsa Anwar, Ahmad Chaudhary
BACKGROUND: Acute gastrointestinal bleeding (AGIB) is responsible for over 140,000 hospitalizations annually. Cardiovascular-related deaths account for 30% of the patients surviving the initial episode of AGIB. The purpose of this study was to identify the impact of elevated troponin on short-term mortality and length of stay (LOS) of these patients. METHODS: From July 2013 to July 2016, 290 patients admitted with a diagnosis of AGIB and who had cardiac troponin I measured within 24 h of presentation were retrospectively reviewed...
August 2017: Gastroenterology Research
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