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Cardiac Monitoring

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https://www.readbyqxmd.com/read/29352416/point-of-care-ultrasound-in-pediatric-anesthesiology-and-critical-care-medicine
#1
REVIEW
Erik Su, Nicholas Dalesio, Aliaksei Pustavoitau
Ultrasound has increasingly become a clinical asset in the hands of the anesthesiologist and intensivist who cares for children. Though many applications for ultrasound parallel adult modalities, children as always are not simply small adults and benefit from the application of ultrasound to their management in various ways. Body composition and size are important factors that affect ultrasound performance in the child, as are the pathologies that may uniquely afflict children and aspects of procedures unique to this patient population...
January 19, 2018: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/29352349/factors-affecting-n-terminal-pro-b-type-natriuretic-peptide-levels-in-preterm-infants-and-use-in-determination-of-haemodynamic-significance-of-patent-ductus-arteriosus
#2
Sarah Louise Harris, Kiran More, Bronwyn Dixon, Richard Troughton, Chris Pemberton, John Horwood, Nicola Ellis, Nicola Austin
This study aimed to investigate factors affecting N-terminal pro-B-type natriuretic peptide (NTproBNP) in preterm infants and the ability of NTproBNP to predict haemodynamically significant patent ductus arteriosus (HsPDA). Prospective cohort study of 51 infants < 30 weeks gestation. Blood NTproBNP and heart ultrasound were performed on day of life 3, 10, 28 and 36 weeks corrected age. NTproBNP levels analysed for prediction of HsPDA. The effect of gestational age, ventilation, hypoxia, bronchopulmonary dysplasia (BPD), creatinine and haemoglobin levels on NTproBNP levels were investigated...
January 19, 2018: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29352326/noninvasive-pulse-contour-analysis-for-determination-of-cardiac-output-in-patients-with-chronic-heart-failure
#3
Sebastian Roth, Henrik Fox, Uwe Fuchs, Uwe Schulz, Angelika Costard-Jäckle, Jan F Gummert, Dieter Horstkotte, Olaf Oldenburg, Thomas Bitter
BACKGROUND: Determination of cardiac output (CO) is essential in diagnosis and management of heart failure (HF). The gold standard to obtain CO is invasive assessment via thermodilution (TD). Noninvasive pulse contour analysis (NPCA) is supposed as a new method of CO determination. However, a validation of this method in HF is pending and performed in the present study. METHODS: Patients with chronic-stable HF and reduced left ventricular ejection fraction (LVEF ≤ 45%; HF-REF) underwent right heart catheterization including TD...
January 19, 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29352162/a-prolonged-run-in-period-of-standard-subcutaneous-microdialysis-ameliorates-quality-of-interstitial-glucose-signal-in-patients-after-major-cardiac-surgery
#4
Othmar Moser, Julia Münzker, Stefan Korsatko, Christoph Pachler, Karlheinz Smolle, Wolfgang Toller, Thomas Augustin, Johannes Plank, Thomas R Pieber, Julia K Mader, Martin Ellmerer
We evaluated a standard subcutaneous microdialysis technique for glucose monitoring in two critically ill patient populations and tested whether a prolonged run-in period improves the quality of the interstitial glucose signal. 20 surgical patients after major cardiac surgery (APACHE II score: 10.1 ± 3.2) and 10 medical patients with severe sepsis (APACHE II score: 31.1 ± 4.3) were included in this investigation. A microdialysis catheter was inserted in the subcutaneous adipose tissue of the abdominal region...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29350178/use-of-rifabutin-to-treat-tuberculosis-in-a-cardiac-transplant-recipient-a-case-report%C3%A2
#5
Maya Takayoshi, Kyoichi Wada, Yuka Terada, Sachi Matsuda, Kazuki Nakagita, Akira Oita, Mitsutaka Takada, Aki Shionoiri, Haruki Sunami, Seiko Nakajima, Kensuke Kuroda, Takuma Sato, Osamu Seguchi, Masanobu Yanase, Norihide Fukushima
OBJECTIVE: Tuberculosis is an important concern following organ transplantation. Unfortunately, several antituberculosis drugs interact with immunosuppressants. This report describes our experience with rifabutin (RBT) in the treatment of acute tuberculosis in a cardiac transplant recipient. CASE: A 61-year-old cardiac transplant recipient developed tuberculosis meningitis during treatment of miliary tuberculosis. RBT was given for 27 days concomitantly with cyclosporine (CsA)...
January 19, 2018: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29349824/reduced-left-ventricular-filling-following-blood-volume-extraction-does-not-result-in-compensatory-augmentation-of-cardiac-mechanics
#6
Rachel Lord, David MacLeod, Keith George, David Oxborough, Rob Shave, Mike Stembridge
An acute non-invasive reduction in preload has been shown to augment cardiac mechanics to maintain stroke volume and cardiac output. Such interventions induce concomitant changes in heart rate (HR), whereas blood volume extraction reduces preload without HR changes. Therefore, the purpose of this study was to determine whether a preload reduction in isolation resulted in augmented stroke volume achieved via enhanced cardiac mechanics. Nine healthy volunteers (4 female, age 29 ± 11 years) underwent echocardiography for the assessment of left ventricular (LV) volumes and mechanics in a supine position at baseline and end-extraction following the controlled removal of 25% of total blood volume (1062 ± 342 ml)...
January 18, 2018: Experimental Physiology
https://www.readbyqxmd.com/read/29348279/-clinically-suspected-myocarditis-with-pseudoinfarct-presentation-complicated-with-left-ventricular-aneurysm
#7
Annick Haouzi, Ahmed Ahmed
A 51-year-old man presented with chest pain, high troponin level, inflammatory syndrome and ST-segment elevation in the anterior leads. While the transthoracic echocardiogram (TTE) showed anteroseptal hypokinesis and apical akinesis, the coronary angiogram was normal. Cardiac MR demonstrated a typical aspect of myocarditis (multiple areas of mid-myocardial late gadolinium enhancement, sparing the subendocardial layer, along with oedema). The initial diagnosis was clinically suspected myocarditis with pseudoinfarct presentation...
January 17, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29348012/coronary-embolus-an-underappreciated-cause-of-acute-coronary-syndromes
#8
REVIEW
Claire E Raphael, John A Heit, Guy S Reeder, Melanie C Bois, Joseph J Maleszewski, R Thomas Tilbury, David R Holmes
Coronary embolism is the underlying cause of 3% of acute coronary syndromes but is often not considered in the differential of acute coronary syndromes. It should be suspected in the case of high thrombus burden despite a relatively normal underlying vessel or recurrent coronary thrombus. Coronary embolism may be direct (from the aortic valve or left atrial appendage), paroxysmal (from the venous circulation through a patent foramen ovale), or iatrogenic (following cardiac intervention). Investigations include transesophageal echocardiography to assess the left atrial appendage and atrial septum and continuous electrocardiographic monitoring to assess for paroxysmal atrial fibrillation...
January 22, 2018: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29346209/the-society-of-thoracic-surgeons-the-society-of-cardiovascular-anesthesiologists-and-the-american-society-of-extracorporeal-technology-clinical-practice-guidelines-anticoagulation-during-cardiopulmonary-bypass
#9
Linda Shore-Lesserson, Robert A Baker, Victor A Ferraris, Philip E Greilich, David Fitzgerald, Philip Roman, John W Hammon
Despite more than a half century of "safe" cardiopulmonary bypass (CPB), the evidence base surrounding the conduct of anticoagulation therapy for CPB has not been organized into a succinct guideline. For this and other reasons, there is enormous practice variability relating to the use and dosing of heparin, monitoring heparin anticoagulation, reversal of anticoagulation, and the use of alternative anticoagulants. To address this and other gaps, The Society of Thoracic Surgeons, the Society of Cardiovascular Anesthesiologists, and the American Society of Extracorporeal Technology developed an Evidence Based Workgroup...
February 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29345542/effects-of-late-night-training-on-slow-wave-sleep-episode-and-hour-by-hour-derived-nocturnal-cardiac-autonomic-activity-in-female-soccer-players
#10
Júlio A Costa, João Brito, Fábio Y Nakamura, Eduardo M Oliveira, António N Rebelo
PURPOSE: To assess the sensitivity of nocturnal heart rate variability (HRV) monitoring methods to the effects of late-night soccer training sessions in female athletes. METHODS: Eleven female soccer players competing in the 1st division of the Portuguese soccer league wore HR monitors during night-sleep throughout a one-week competitive in-season microcycle, after late-night training sessions (n = 3) and rest days (n = 3). HRV was analyzed through "slow-wave sleep episode" (SWSE; 10 min duration) and "hour-by-hour" (all the RR intervals recorded throughout the hours of sleep)...
January 18, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29343971/assessment-of-the-cardiac-safety-between-cetuximab-and-panitumumab-as-single-therapy-in-chinese-chemotherapy-refractory-mcrc
#11
Xue-Miao Tang, Hao Chen, Qing Li, Yiling Song, Shuping Zhang, Xiao-Shuan Xu, Yiwei Xu, Shulin Chen
Objective: The cardiac safety of cetuximab and panitumumab, particularly as single agents, has not been investigated extensively. This trial was designed to specifically evaluate the cardiac safety of cetuximab and panitumumab as single therapy in Chinese chemotherapy-refractory metastatic colorectal cancer (mCRC) patients. Patients and methods: Sixty-one patients received cetuximab at an initial dose of 400 mg/m2 intravenously over 120 minutes on day 1 (week 1), followed by a maintenance dose of 250 mg/m2 intravenously over 60 minutes on day 1 of each 7-day cycle...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29343839/musical-auditory-stimulus-acutely-influences-heart-rate-dynamic-responses-to-medication-in-subjects-with-well-controlled-hypertension
#12
Eli Carlos Martiniano, Milana Drumond Ramos Santana, Érico Luiz Damasceno Barros, Maria do Socorro da Silva, David Matthew Garner, Luiz Carlos de Abreu, Vitor E Valenti
Music can improve the efficiency of medical treatment when correctly associated with drug action, reducing risk factors involving deteriorating cardiac function. We evaluated the effect of musical auditory stimulus associated with anti-hypertensive medication on heart rate (HR) autonomic control in hypertensive subjects. We evaluated 37 well-controlled hypertensive patients designated for anti-hypertensive medication. Heart rate variability (HRV) was calculated from the HR monitor recordings of two different, randomly sorted protocols (control and music) on two separate days...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29342958/an-enhanced-method-to-estimate-heart-rate-from-seismocardiography-via-ensemble-averaging-of-body-movements-at-six-degrees-of-freedom
#13
Hyunwoo Lee, Hana Lee, Mincheol Whang
Continuous cardiac monitoring has been developed to evaluate cardiac activity outside of clinical environments due to the advancement of novel instruments. Seismocardiography (SCG) is one of the vital components that could develop such a monitoring system. Although SCG has been presented with a lower accuracy, this novel cardiac indicator has been steadily proposed over traditional methods such as electrocardiography (ECG). Thus, it is necessary to develop an enhanced method by combining the significant cardiac indicators...
January 15, 2018: Sensors
https://www.readbyqxmd.com/read/29342243/devices-in-heart-failure-diagnosis-detection-and-disease-modification
#14
John Gierula, Mark T Kearney, Klaus K Witte
Introduction/background: Implantable cardiac devices are widely used in chronic heart failure (CHF) therapy. This review covers current CHF treatment with electronic cardiac devices, areas of discussion and emerging technologies. Sources of data: A comprehensive search of available literature resources including Pubmed, MEDLINE and EMBASE was performed. National and international guidelines were accessed. Areas of agreement: Excessive right ventricular pacing is detrimental to cardiac function...
January 12, 2018: British Medical Bulletin
https://www.readbyqxmd.com/read/29341967/new-modalities-for-the-administration-of-inhaled-nitric-oxide-in-intensive-care-units-after-cardiac-surgery-or-for-neonatal-indications-a-prospective-observational-study
#15
Philippe Gaudard, Claudio Barbanti, Bertrand Rozec, Philippe Mauriat, Mimoun M'rini, Gilles Cambonie, Jean Michel Liet, Claude Girard, Pierre Louis Leger, Ziad Assaf, Pierre Damas, Gauthier Loron, Laurent Lecourt, Julien Amour, Philippe Pouard
BACKGROUND: Nitric oxide (NO) has a well-known efficacy in pulmonary hypertension (PH), with wide use for 20 years in many countries. The objective of this study was to describe the current use of NO in real life and the gap with the guidelines. METHODS: This is a multicenter, prospective, observational study on inhaled NO administered through an integrated delivery and monitoring device and indicated for PH according to the market authorizations. The characteristics of NO therapy and ventilation modes were observed...
January 16, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29341881/clinical-implications-of-technological-advances-in-screening-for-atrial-fibrillation
#16
REVIEW
Nikhil Singh, Sung Chun, David Hadley, Victor Froelicher
The incidence of atrial fibrillation (AF) continues to increase worldwide as people live longer. AF is the leading cause of stroke among patients older than 75 years and is responsible for at least 15% of all strokes. Industry has responded to this problem with a plethora of monitoring devices. These include single lead ECG adhesive sensors, implantable loop recorders, smartphone attachments and wearables. This review will concentrate on clinical studies using these technologies. There are wearables including watches and watch-like devices that will be mentioned but these have not been validated for clinical use...
January 13, 2018: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/29341860/risk-management-of-free-radicals-involved-in-air-travel-syndromes-by-antioxidants
#17
Jeum-Nam Kim, Byung-Mu Lee
Frequent air travelers and airplane pilots may develop various types of illnesses. The environmental risk factors associated with air travel syndromes (ATS) or air travel-related adverse health outcomes raised concerns and need to be assessed in the context of risk management and public health. Accordingly, the aim of the present review was to determine ATS, risk factors, and mechanisms underlying ATS using scientific data and information obtained from Medline, Toxline, and regulatory agencies. Additional information was also extracted from websites of organizations, such as the International Air Transport Association (IATA), International Association for Medical Assistance to Travelers (IAMAT), and International Civil Aviation Organization (ICAO)...
January 17, 2018: Journal of Toxicology and Environmental Health. Part B, Critical Reviews
https://www.readbyqxmd.com/read/29341174/sensing-performance-safety-and-patient-acceptability-of-long-dipole-cardiac-monitor-an-innovative-axillary-insertion
#18
Giovanni Bisignani, Silvana De Bonis, Antonio Bisignani, Luigi Mancuso, Daniele Giacopelli
BACKGROUND: The recommended location for implantable cardiac monitor (ICM) insertion is the left pectoral region. We tested whether an innovative left axillary implantation approach could be applicable for a new ICM, characterized by a long sensing dipole. METHODS: We considered a series of 55 patients consecutively implanted with a long-dipole ICM (BioMonitor 2); the first 30 subjects underwent prepectoral location insertion, while the subsequent 25 received the ICM in the axillary region...
January 17, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29341066/cerebral-near-infrared-spectroscopy-nirs-for-perioperative-monitoring-of-brain-oxygenation-in-children-and-adults
#19
REVIEW
Yun Yu, Kaiying Zhang, Ling Zhang, Huantao Zong, Lingzhong Meng, Ruquan Han
BACKGROUND: Various techniques have been employed for the early detection of perioperative cerebral ischaemia and hypoxia. Cerebral near-infrared spectroscopy (NIRS) is increasingly used in this clinical scenario to monitor brain oxygenation. However, it is unknown whether perioperative cerebral NIRS monitoring and the subsequent treatment strategies are of benefit to patients. OBJECTIVES: To assess the effects of perioperative cerebral NIRS monitoring and corresponding treatment strategies in adults and children, compared with blinded or no cerebral oxygenation monitoring, or cerebral oxygenation monitoring based on non-NIRS technologies, on the detection of cerebral oxygen desaturation events (CDEs), neurological outcomes, non-neurological outcomes and socioeconomic impact (including cost of hospitalization and length of hospital stay)...
January 17, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29340539/the-spectrum-of-cardiovascular-effects-of-dobutamine-from-healthy-subjects-to-septic-shock-patients
#20
Arnaldo Dubin, Bernardo Lattanzio, Luis Gatti
Dobutamine is the inotrope most commonly used in septic shock patients to increase cardiac output and correct hypoperfusion. Although some experimental and clinical studies have shown that dobutamine can improve systemic and regional hemodynamics, other research has found that its effects are heterogenous and unpredictable. In this review, we analyze the pharmacodynamic properties of dobutamine and its physiologic effects. Our goal is to show that the effects of dobutamine might differ between healthy subjects, in experimental and clinical cardiac failure, in animal models and in patients with septic shock...
October 2017: Revista Brasileira de Terapia Intensiva
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