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https://www.readbyqxmd.com/read/29782639/sudden-cardiac-death-in-athletes-and-the-value-of-cardiovascular-magnetic-resonance
#1
REVIEW
Sophie I Mavrogeni, Flora Bacopoulou, Despoina Apostolaki, George P Chrousos
Sudden cardiac death (SCD) is the non-traumatic death, due to loss of heart function that occurs suddenly and unexpectedly within 6 hours of a previously normal state of health. It is related to intense competitive sports promoting ventricular tachycardia (VT)/ventricular fibrillation (VF) in the presence of underlying abnormal substrate. A serial evaluation of cardiac physiologic changes taking place during training will allow the better understanding of athlete's heart and will facilitate its discrimination from other gray-zone cardiomyopathies...
May 21, 2018: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29781840/cardiovascular-autonomic-profile-in-women-with-constitutional-hypotension
#2
Giris Jacob, Franca Barbic, Meytal Glago, Franca Dipaola, Alberto Porta, Raffaello Furlan
BACKGROUND: Constitutional hypotension (CHT) is defined as a SBP below 105 mmHg. As autonomic-related symptoms are frequently reported in CHT, these symptoms suggest that the cardiovascular autonomic control is perturbed in individuals with CHT. METHODS: We investigated the autonomic cardiovascular control of 15 women with CHT and 12 women with NBP (SBP >110 mmHg). We monitored BP and ECG for autonomic function test. Supine and head up tilt (HUT) spectral analysis of RR interval and BP variability, baroreflex sensitivity and plasma levels of plasma renin activity and aldosterone were determined...
May 16, 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29779679/loperamide-abuse-cardiotoxicity-should-loperamide-still-be-an-over-the-counter-medication
#3
Amr Idris, Kenji Kaye
Loperamide is an over-the-counter anti-diarrheal medication that is inexpensive, easily accessible, and widely used. It is generally thought to be safe and effective without the potential for abuse. However, recent discovery of its ability to treat opioid withdrawal symptoms at high doses has led to not only its abuse, but also the need to recognize its cardiotoxicity due to the ability to prolong the QTc interval. We report a case of a 33 year old female with a history of opioid dependence who presented to the emergency department with acute onset shortness of breath and generalized weakness who was subsequently found to be in ventricular tachycardia...
May 18, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29775243/protective-and-therapeutic-effects-of-dexpanthenol-on-isoproterenol-induced-cardiac-damage-in-rats
#4
Ferhat Kalkan, Hakan Parlakpinar, Olcay M Disli, Lokman H Tanriverdi, Onural Ozhan, Alaaddin Polat, Aslı Cetin, Nigar Vardi, Yılmaz O Otlu, Ahmet Acet
The purpose of the study was to explore the protective and therapeutic effects of dexpanthenol (DEX) on isoproterenol (ISO)-induced cardiac damage. Forty rats were distributed into four groups: group I (Control); group II (ISO); ISO (150 mg/kg/day) was given to rats once a day for 2 consecutive days with an interval of 24 h; group III (DEX+ISO): DEX (250 mg/kg) was applied 30 min before the first ISO administration and continued in the next two days after second ISO administration; group IV (ISO+DEX): After the ISO treatment at 1st and 2nd days, DEX was given at 3rd and 4th days...
May 18, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29765504/polyphenolic-compounds-antioxidant-and-cardioprotective-effects-of-pomace-extracts-from-feteasc%C3%A4-neagr%C3%A4-cultivar
#5
Ştefania Silvia Balea, Alina Elena Pârvu, Nastasia Pop, Fernando Zamora Marín, Marcel Pârvu
Grape pomace is a potential source of natural antioxidant agents. Phenolic compounds and antioxidant and cardioprotective properties of fresh and fermented pomace extracts obtained from Vitis vinifera L. red variety Fetească neagră grown in Romania in 2015 were investigated. Grape pomace extracts total phenolic index, total tannins, total anthocyanins, proanthocyanidins, flavan-3-ol monomers, stilbenes, and DPPH free radical scavenger were measured. The effect of a seven-day pretreatment with grape pomace extracts on the isoprenaline-induced infarct-like lesion in rats was assessed by ECG monitoring, serum levels of creatine kinase, aspartate transaminase, and alanine transaminase...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29764571/-efficiency-of-electrocardiogram-monitor-for-positioning-the-catheter-tip-in-peripherally-inserted-central-catheter-placement-in-neonates
#6
Qi-Ying Ling, Hong Chen, Min Tang, Yi Qu, Bin-Zhi Tang
OBJECTIVE: To study the efficiency of electrocardiogram (ECG) monitor for positioning the catheter tip in the placement of peripherally inserted central catheter (PICC) in neonates. METHODS: A total of 160 neonates who were admitted to the neonatal intensive care unit (NICU) from January 2015 to December 2017 and underwent the PICC placement via the veins of upper extremity were enrolled. They were randomly divided into an observation group and a control group, with 80 neonates in each group...
May 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29764506/cardiotoxicity-of-5-fluorouracil-and-capecitabine-in-chinese-patients-a-prospective-study
#7
Jianjun Peng, Chao Dong, Chang Wang, Weihua Li, Hao Yu, Min Zhang, Qun Zhao, Bo Zhu, Jun Zhang, Wenliang Li, Fenghua Wang, Qiong Wu, Wenhao Zhou, Ying Yuan, Meng Qiu, Gong Chen
BACKGROUND: 5-Fluorouracil (5-FU) and capecitabine-associated cardiotoxicity ranging from asymptomatic electrocardiography (ECG) abnormalities to severe myocardial infarction has been reported in a number of studies, but such cardiotoxicity in Chinese patients with malignant diseases has not been investigated to date. In the present study, we aimed to prospectively evaluate the incidence rates and clinical manifestations of 5-FU- and capecitabine-associated cardiotoxicity in cancer patients recruited from multiple centers in China...
May 11, 2018: Cancer communications
https://www.readbyqxmd.com/read/29761985/-design-and-implementation-of-hand-held-electrocardiogram-monitor
#8
Xiaowen Xu, Tianhan Li
A hand-held electrocardiogram (ECG) monitor with capacitive coupling is designed in this study that can rapidly detect ECG signals through clothing. This new device improves many deficiencies of the traditional ECG monitor, such as infection due to direct skin contacting, inconvenience, and time-consuming. In specificity, the hand-held ECG monitor consists of two parts, a sensor and an embedded terminal. ECG signals are initially detected by a sensing electrode placed on the chest through clothing, then treated by single ended differential amplification, filtering and master amplification, and later processed through A/D conversion and ECG signal transmission by CC2540 module...
December 1, 2017: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
https://www.readbyqxmd.com/read/29744253/an-unusual-cause-of-electrocardiographic-artefact-a-patient-s-warming-blanket
#9
Gaurav Misra, Sanjay Dhiraaj, Aditya Kapoor, Puneet Goyal
In electrocardiography, an electrocardiographic (ECG) artefact is used to indicate a misleading or confusing alteration in data or observation not arising from the heart. Although technological advancements have produced monitors that may provide accurate data and reliable heart rate alarms, interferences of the displayed electrocardiogram such as (but not limited to) electrical interference by outside sources, electrical noise from elsewhere in the body, poor contact and machine malfunction continue to occur...
April 2018: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/29742684/myocardial-injury-after-noncardiac-surgery-incidence-and-predictors-from-a-prospective-observational-cohort-study-at-an-indian-tertiary-care-centre
#10
Rubin George, Vidya P Menon, Fabia Edathadathil, Sabarish Balachandran, Merlin Moni, Dipu Sathyapalan, Preetha Prasanna, Gokuldas S, Jerry Paul, Chandrababu K K, Lakshmi Kumar, Ashok Pillai
Asymptomatic myocardial injury following noncardiac surgery (MINS) is an independent predictor of 30-day mortality and may go unrecognized based on standard diagnostic definition for myocardial infarction (MI). Given lack of published research on MINS in India, our study aims to determine incidence of MINS in patients undergoing noncardiac surgery at our tertiary care hospital, and evaluate the clinical characteristics including 30-day outcome.The prospective observational study included patients >65 years or >45 years with either hypertension (HTN), diabetes mellitus (DM), coronary artery disease (CAD), cerebrovascular accident (CVA), or peripheral arterial disease undergoing noncardiac surgery...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29735633/atrial-fibrillation-detection-during-24-hour-ambulatory-blood-pressure-monitoring-comparison-with-24-hour-electrocardiography
#11
Anastasios Kollias, Antonios Destounis, Petros Kalogeropoulos, Konstantinos G Kyriakoulis, Angeliki Ntineri, George S Stergiou
This study assessed the diagnostic accuracy of a novel 24-hour ambulatory blood pressure (ABP) monitor (Microlife WatchBP O3 Afib) with implemented algorithm for automated atrial fibrillation (AF) detection during each ABP measurement. One hundred subjects (mean age 70.6±8.2 [SD] years; men 53%; hypertensives 85%; 17 with permanent AF; 4 paroxysmal AF; and 79 non-AF) had simultaneous 24-hour ABP monitoring and 24-hour Holter monitoring. Among a total of 6410 valid ABP readings, 1091 (17%) were taken in ECG AF rhythm...
May 7, 2018: Hypertension
https://www.readbyqxmd.com/read/29731788/the-first-case-of-the-reveal-linq%C3%A2-insertable-cardiac-monitor-implanted-in-a-child-in-malta
#12
A Aquilina, O Aquilina, M Sammut, V Grech
Background: The Reveal LINQ™Insertable Cardiac Monitor (ICM) or Implantable Loop recorder (ILR), is a miniaturized, subcutaneous, single lead, electrocardiographic monitoring device which has been extensively used in the differential diagnosis of unexplained syncope and palpitations in adults. Patient Description: We describe an asymptomatic 20-month-old boy, noted to have incidental bradycardia on routine examination and in whom Holter monitoring revealed complete heart block (CHB)...
October 2017: Images in Paediatric Cardiology
https://www.readbyqxmd.com/read/29724227/mobile-gpu-based-implementation-of-automatic-analysis-method-for-long-term-ecg
#13
Xiaomao Fan, Qihang Yao, Ye Li, Runge Chen, Yunpeng Cai
BACKGROUND: Long-term electrocardiogram (ECG) is one of the important diagnostic assistant approaches in capturing intermittent cardiac arrhythmias. Combination of miniaturized wearable holters and healthcare platforms enable people to have their cardiac condition monitored at home. The high computational burden created by concurrent processing of numerous holter data poses a serious challenge to the healthcare platform. An alternative solution is to shift the analysis tasks from healthcare platforms to the mobile computing devices...
May 3, 2018: Biomedical Engineering Online
https://www.readbyqxmd.com/read/29724006/heart-rate-estimated-from-body-movements-at-six-degrees-of-freedom-by-convolutional-neural-networks
#14
Hyunwoo Lee, Mincheol Whang
Cardiac activity has been monitored continuously in daily life by virtue of advanced medical instruments with microelectromechanical system (MEMS) technology. Seismocardiography (SCG) has been considered to be free from the burden of measurement for cardiac activity, but it has been limited in its application in daily life. The most important issues regarding SCG are to overcome the limitations of motion artifacts due to the sensitivity of motion sensor. Although novel adaptive filters for noise cancellation have been developed, they depend on the researcher’s subjective decision...
May 1, 2018: Sensors
https://www.readbyqxmd.com/read/29723990/on-the-beat-detection-performance-in-long-term-ecg-monitoring-scenarios
#15
Francisco-Manuel Melgarejo-Meseguer, Estrella Everss-Villalba, Francisco-Javier Gimeno-Blanes, Manuel Blanco-Velasco, Zaida Molins-Bordallo, José-Antonio Flores-Yepes, José-Luis Rojo-Álvarez, Arcadi García-Alberola
Despite the wide literature on R-wave detection algorithms for ECG Holter recordings, the long-term monitoring applications are bringing new requirements, and it is not clear that the existing methods can be straightforwardly used in those scenarios. Our aim in this work was twofold: First, we scrutinized the scope and limitations of existing methods for Holter monitoring when moving to long-term monitoring; Second, we proposed and benchmarked a beat detection method with adequate accuracy and usefulness in long-term scenarios...
May 1, 2018: Sensors
https://www.readbyqxmd.com/read/29721651/-indications-for-loop-recorder-implantation-for-syncope
#16
REVIEW
Andreas Schuchert
Implantable loop recorder with discontinuous ECG recording enables monitoring of heart rhythm over several years. Consequently, in patients with recurrent syncope it is possible to record an ECG during the next syncopal event to obtain symptom-ECG correlations. In patients with recurrent syncope of unknown origin, the implantation of a loop recorder leads to an earlier diagnosis and an asystole is more often detected as the cause of the recurrent syncope. In addition, the loop recorder identifies patients who will benefit from pacemaker implantation...
May 2, 2018: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/29721503/radiofrequency-versus-cryoballoon-ablation-of-atrial-fibrillation-an-evaluation-using-ecg-holter-monitoring-and-implantable-loop-recorders-to-monitor-absolute-and-clinical-effectiveness
#17
Karapet Davtyan, Victoria Shatakhtsyan, Hermine Poghosyan, Alexandr Deev, Alexey Tarasov, Maria Kharlap, Svetlana Serdyuk, Georgy Simonyan, Sergey Boytcov
Introduction: While several studies have compared the radiofrequency current (RFC) and cryoablation for the treatment of patients with atrial fibrillation (AF), no study has monitored the long-term outcomes with the usage of implantable loop recorders (ILRs). Methods: We enrolled 89 consecutive patients with nonvalvular paroxysmal AF ( N = 44 for RFC and N = 45 for cryoballoon). The primary efficacy end point was the assessment of effectiveness for each group (RFC versus cryoballoon) when examining freedom from arrhythmia by monitoring with ECG, Holter, and implantable loop recoder (ILR)...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29720327/effects-of-clear-aligners-on-sleep-bruxism-randomized-controlled-trial
#18
T Castroflorio, A Bargellini, A Lucchese, M Manuelli, F Casasco, G Cugliari, I Cioffi, A Deregibus
The possible effects on sleep bruxism (SB) of clear aligners in orthodontics are unknown. This study was conducted to analyze the effects of clear aligners on SB. Sixty subjects needing orthodontic treatment and affected by SB (33 m, 27 f, 20±;5 years) were enrolled in the study and randomly assigned to one of the following three groups: 20 were given clear aligners (CAT) (12 m, 8 f, 19±5 years), 20 occlusal splint (MOS) (9 m, 11 f, 22±5 years) and 20 a placebo splint (PMS) (12 m, 8 f, 24±3 years). All groups were followed for 6 consecutive months and monitored for SB with a portable electromyographic-electrocardiographic (EMG-ECG) device (Bruxoff®, OT Bioelettronica, Torino, Italy)...
March 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29713382/self-assessment-of-surgical-ward-crisis-management-using-video-replay-augmented-with-stress-biofeedback
#19
Pasha Normahani, Nita Makwana, Wilhelm von Rosenberg, Sadie Syed, Danilo P Mandic, Valentin Goverdovsky, Nigel J Standfield, Usman Jaffer
Background: We aimed to explore the feasibility and attitudes towards using video replay augmented with real time stress quantification for the self-assessment of clinical skills during simulated surgical ward crisis management. Methods: Twenty two clinicians participated in 3 different simulated ward based scenarios of deteriorating post-operative patients. Continuous ECG recordings were made for all participants to monitor stress levels using heart rate variability (HRV) indices...
2018: Patient Safety in Surgery
https://www.readbyqxmd.com/read/29713290/high-altitude-affects-nocturnal-non-linear-heart-rate-variability-patch-ha-study
#20
Christopher J Boos, Kyo Bye, Luke Sevier, Josh Bakker-Dyos, David R Woods, Mark Sullivan, Tom Quinlan, Adrian Mellor
Background: High altitude (HA) exposure can lead to changes in resting heart rate variability (HRV), which may be linked to acute mountain sickness (AMS) development. Compared with traditional HRV measures, non-linear HRV appears to offer incremental and prognostic data, yet its utility and relationship to AMS have been barely examined at HA. This study sought to examine this relationship at terrestrial HA. Methods: Sixteen healthy British military servicemen were studied at baseline (800 m, first night) and over eight consecutive nights, at a sleeping altitude of up to 3600 m...
2018: Frontiers in Physiology
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