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Echocardiography monitoring

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https://www.readbyqxmd.com/read/28099422/relationship-between-perfusion-index-and-patent-ductus-arteriosus-in-preterm-infants
#1
Enrique Gomez-Pomar, Majd Makhoul, Philip M Westgate, Katrina T Ibonia, Abhijit Patwardhan, Peter J Giannone, Henrietta Bada, Elie G Abu Jawdeh
BACKGROUND: Perfusion index (PI) is a noninvasive measure of perfusion. ΔPI (difference between pre and post-ductal PI) may identify hemodynamically significant PDA. However, studies are limited to brief and intermittent ΔPI sampling. Our objective is to assess the value of continuous high resolution ΔPI monitoring in the diagnosis of PDA. METHODS: Continuous ΔPI monitoring in preterm infants was prospectively performed using two high resolution pulse oximeters...
January 18, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28099129/the-association-between-obesity-hypertension-and-left-ventricular-mass-in-adolescents
#2
Saime Ergen Dibeklioglu, Berna Şaylan Çevik, Banu Acar, Zeynep Birsin Özçakar, Nermin Uncu, Nazlı Kara, Şemsa Çaycı, Nilgün Çakar
BACKGROUND: Obesity and hypertension (HT) are well known cardiac risk factors. Our goal was to show that even if arterial blood pressure (BP) measurements of obese adolescents are normal during clinical examination, ambulatory blood pressure monitoring (ABPM) can be high, may include cardiac involvement and can also detect left ventricular mass indices (LVMI) value for obese adolescents to diagnose left ventricular hypertrophy (LVH). METHODS: This study included 130 children (57 obese hypertensive, 36 obese normotensive, 14 normal weight hypertensive and 23 normal weight normotensive)...
January 18, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28098511/hemodynamic-effects-of-hpma-copolymer-based-doxorubicin-conjugate-a-randomized-controlled-and-comparative-spectral-study-in-conscious-rats
#3
Hoay Yan Cheah, Olivera Šarenac, Juan J Arroyo, Marko Vasić, Maja Lozić, Sofija Glumac, See Ziau Hoe, Charles Colin Thomas Hindmarch, David Murphy, Lik Voon Kiew, Hong Boon Lee, Marίa J Vicent, Lip Yong Chung, Nina Japundžić-Žigon
Conjugation of Doxorubicin (DOX) to N-(2-Hydroxypropyl) methylacrylamide copolymer (HPMA) has significantly reduced the DOX-associated cardiotoxicity. However, the reports on the impact of HPMA-DOX conjugates on the cardiovascular system such as blood pressure (BP) and heart rate (HR) were in restrained animals using tail cuff and/or other methods that lacked the resolution and sensitivity. Herein, we employed radiotelemetric-spectral-echocardiography approach to further understand the in vivo cardiovascular hemodynamics and variability post administration of free DOX and HPMA-DOX...
January 18, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/28097523/intravascular-ultrasound-characterization-of-a-tissue-engineered-vascular-graft-in-an-ovine-model
#4
Victoria K Pepper, Elizabeth S Clark, Cameron A Best, Ekene A Onwuka, Tadahisa Sugiura, Eric D Heuer, Lilamarie E Moko, Shinka Miyamoto, Hideki Miyachi, Darren P Berman, Sharon L Cheatham, Joanne L Chisolm, Toshiharu Shinoka, Christopher K Breuer, John P Cheatham
Patients who undergo implantation of a tissue-engineered vascular graft (TEVG) for congenital cardiac anomalies are monitored with echocardiography, followed by magnetic resonance imaging or angiography when indicated. While these methods provide data regarding the lumen, minimal information regarding neotissue formation is obtained. Intravascular ultrasound (IVUS) has previously been used in a variety of conditions to evaluate the vessel wall. The purpose of this study was to evaluate the utility of IVUS for evaluation of TEVGs in our ovine model...
January 17, 2017: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/28096184/the-modern-role-of-transoesophageal-echocardiography-in-the-assessment-of-valvular-pathologies
#5
REVIEW
Malgorzata Wamil, Sacha Bull, James Newton
Despite significant advancements in the field of cardiovascular imaging, transoesophageal echocardiography remains the key imaging modality in the management of valvular pathologies. This paper provides echocardiographers with an overview of the modern role of TOE in the diagnosis and management of valvular disease. We describe how the introduction of 3D techniques has changed detection and grading of valvular pathologies and concentrate on its role as a monitoring tool in interventional cardiology. In addition, we focus on the echocardiographic and Doppler techniques used in the assessment of prosthetic valves, and provide guidance for evaluation of prosthetic valves...
January 17, 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/28090257/epicardial-fat-thickness-and-neutrophil-to-lymphocyte-ratio-are-increased-in-non-dipper-hypertensive-patients
#6
Bong Joon Kim, Kyoung Im Cho, Ji Hun Choi, Dong Hyun Park, Ga In Yu, Sung Il Im, Hyun Su Kim, Jeong Ho Heo, Tae-Joon Cha
BACKGROUND: In this study, we aimed to investigate the relationship between echocardiographic epicardial fat thickness (EFT), neutrophil to lymphocyte ratio (NLR; an important inflammatory marker), and diurnal blood pressure (BP) changes in patients with recently diagnosed essential hypertension. METHODS: A total of 647 patients underwent echocardiography and 24 hours of ambulatory BP monitoring. EFT was measured by echocardiography, while NLR was measured by dividing the neutrophil count by the lymphocyte count...
December 2016: Journal of Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28089598/impact-of-focused-intraoperative-transthoracic-echocardiography-by-anesthesiologists-on-management-in-hemodynamically-unstable-high-risk-noncardiac-surgery-patients
#7
Thomas Kratz, Thorsten Steinfeldt, Maik Exner, Marco Campo Dell Orto, Nina Timmesfeld, Caroline Kratz, Martin Skrodzki, Hinnerk Wulf, Martin Zoremba
OBJECTIVES: Focused transthoracic echocardiography (TTE) is used perioperatively for surgical patients. Intraoperative application of TTE is feasible, but its benefits remain unclear. The intention of this study was to investigate the effect of intraoperative TTE on the management of high-risk noncardiac surgery patients. DESIGN: A prospective interventional study. SETTING: Single-center university hospital. PARTICIPANTS: Fifty consecutive hemodynamically unstable high-risk patients anesthetized for noncardiac surgery...
November 2, 2016: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28077536/cerebral-oxygen-saturation-and-cardiac-output-during-anaesthesia-in-sitting-position-for-neurosurgical-procedures-a-prospective-observational-study
#8
P Schramm, I Tzanova, F Hagen, M Berres, D Closhen, G Pestel, K Engelhard
BACKGROUND: Neurosurgical operations in the dorsal cranium often require the patient to be positioned in a sitting position. This can be associated with decreased cardiac output and cerebral hypoperfusion, and possibly, inadequate cerebral oxygenation. In the present study, cerebral oxygen saturation was measured during neurosurgery in the sitting position and correlated with cardiac output. METHODS: Perioperative cerebral oxygen saturation was measured continuously with two different monitors, INVOS(®) and FORE-SIGHT(®)...
October 2016: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28060112/spontaneous-fracture-and-migration-of-a-totally-implanted-port-device-to-pulmonary-artery-in-acute-leukemia-child
#9
Olfa Kassar, Rania Hammemi, Mahdi Ben Dhaou, Samir Kammoun, Moez Elloumi
Totally implanted port devices are important for the administration of fluid and chemotherapeutic agents. However, their use may be associated with serious complications, such as catheter fracture and embolism. Most data on port catheter embolization consist of isolated case reports. We report a 6-year-old boy with relapse of an acute lymphoblastic leukemia. He presented with dysfunction of his totally implanted port device. Radiologic examination revealed a catheter fracture. Echocardiography showed the catheter embolized into the right ventricle...
January 5, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28059577/echocardiography-is-useful-to-predict-postoperative-atrial-fibrillation-in-patients-undergoing-isolated-coronary-bypass-surgery-a-prospective-study
#10
Julien Magne, Baptiste Salerno, Dania Mohty, Claire Serena, Florence Rolle, Alessandro Piccardo, Najmeddine Echahidi, Alexandre Le Guyader, Victor Aboyans
OBJECTIVE: Postoperative atrial fibrillation is a major complication following coronary artery bypass graft. We hypothesized that, beyond clinical and electrocardiogram (ECG) data, transthoracic echocardiography could improve the prediction of postoperative atrial fibrillation. METHODS: We prospectively studied 169 patients in sinus rhythm who underwent isolated coronary artery bypass graft in our institution. Clinical, biological, ECG and transthoracic echocardiography data were collected within 24 h before surgery...
January 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/28054208/is-2d-speckle-tracking-echocardiography-useful-for-detecting-and-monitoring-myocardial-dysfunction-in-adult-m-3243a-g-carriers-a-retrospective-pilot-study
#11
S Koene, J Timmermans, G Weijers, P de Laat, C L de Korte, J A M Smeitink, M C H Janssen, L Kapusta
OBJECTIVES: Cardiomyopathy is a common complication of mitochondrial disorders, associated with increased mortality. Two dimensional speckle tracking echocardiography (2DSTE) can be used to quantify myocardial deformation. Here, we aimed to determine the usefulness of 2DSTE in detecting and monitoring subtle changes in myocardial dysfunction in carriers of the 3243A>G mutation in mitochondrial DNA. METHODS: In this retrospective pilot study, 30 symptomatic and asymptomatic carriers of the mitochondrial 3243A>G mutation of whom two subsequent echocardiograms were available were included...
January 4, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28045070/carbon-monoxide-pollution-aggravates-ischemic-heart-failure-through-oxidative-stress-pathway
#12
Cyril Reboul, Julien Boissière, Lucas André, Gregory Meyer, Patrice Bideaux, Gilles Fouret, Christine Feillet-Coudray, Philippe Obert, Alain Lacampagne, Jérôme Thireau, Olivier Cazorla, Sylvain Richard
Risk of hospital readmission and cardiac mortality increases with atmospheric pollution for patients with heart failure. The underlying mechanisms are unclear. Carbon monoxide (CO) a ubiquitous environmental pollutant could be involved. We explored the effect of daily exposure of CO relevant to urban pollution on post-myocardial infarcted animals. Rats with ischemic heart failure were exposed 4 weeks to daily peaks of CO mimicking urban exposure or to standard filtered air. CO exposure worsened cardiac contractile dysfunction evaluated by echocardiography and at the cardiomyocyte level...
January 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28042344/noninvasive-imaging-of-myocardial-inflammation-in-myocarditis-using-68-ga-tagged-mannosylated-human-serum-albumin-positron-emission-tomography
#13
Seung-Pyo Lee, Hyung-Jun Im, Shinae Kang, Seock-Jin Chung, Ye Seul Cho, Hyejeong Kang, Ho Seon Park, Do-Won Hwang, Jun-Bean Park, Jin-Chul Paeng, Gi-Jeong Cheon, Yun-Sang Lee, Jae Min Jeong, Yong-Jin Kim
The diagnosis of myocarditis traditionally relies on invasive endomyocardial biopsy but none of the imaging studies so far are specific for infiltration of the inflammatory cells itself. We synthesized (68)Ga-2-(p-isothiocyanatobenzyl)-1,4,7-triazacyclononane-1,4,7-triacetic acid (NOTA) mannosylated human serum albumin (MSA) by conjugating human serum albumin with mannose, followed by conjugation with NOTA and labeling it with (68)Ga. The efficacy of (68)Ga-NOTA-MSA positron emission tomography (PET) for imaging myocardial inflammation was tested in a rat myocarditis model...
2017: Theranostics
https://www.readbyqxmd.com/read/28031691/cardiac-tamponade-after-right-ventricular-perforation-caused-by-screw-in-lead
#14
Lovel Giunio, Teo Boric, Cristijan Bulat, Dragan Dragicevic, Mislav Lozo
A 69-year-old man was admitted after syncope followed with chest pain and signs of cardiac tamponade. He had undergone permanent dual-chamber pacemaker implantation 3 weeks earlier. Transthoracic echocardiography (TTE) confirmed a pericardial effusion, and urgent pericardial drainage was performed. Right ventricular perforation caused by active-fixation (screw-in) lead was verified by multislice computed tomography. The lead was extracted under fluoroscopy and bedside TTE monitoring in the operating room with cardiothoracic surgery backup...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28025312/performance-of-the-labcor-dokimos-plus-pericardial-aortic-prosthesis-a-single-centre-experience
#15
Rashad Zayat, Jessica Arias-Pinilla, Ali Aljalloud, Giulia Musetti, Andreas Goetzenich, Rüdiger Autschbach, Thomas van Gemmeren, Andreas Niedeggen, Nima Hatam
OBJECTIVES: In patients with a small aortic annulus, aortic valve replacement (AVR) is frequently associated with high residual pressure gradients. Supra-annular pericardial aortic prostheses are gaining popularity due to the increased effective orifice areas (EOA) and resulting lower gradients. This study reports the clinical and echocardiographic results following implantation of the new supra-annular pericardial aortic prosthesis Dokimos Plus (Labcor, Belo Horizonte, Brazil). METHODS: Between October 2013 and July 2015, 137 patients (41% women, mean age: 74 years) underwent supra-annular AVR with or without concomitant procedures using the Dokimos Plus prosthesis in our department...
December 26, 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28024925/the-evolution-of-diastolic-function-during-liver-transplantation
#16
Pauline Devauchelle, Zoé Schmitt, Aurélie Bonnet, Serge Duperret, Jean-Paul Viale, Jean-Yves Mabrut, Frédéric Aubrun, Mathieu Gazon
INTRODUCTION: The peroperative management of liver transplantation is still associated with many cardio-circulatory complications in which diastolic dysfunction may play a contributive role. Transoesophageal echocardiography is a monitoring device commonly used in liver transplantation allowing diastolic function assessment. METHODS: We prospectively analysed the peroperative transoesophageal echocardiography recordings of 40 patients undergoing liver transplantation in order to describe changes in diastolic function at different steps of the surgery...
December 23, 2016: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/28018465/ictal-sinus-pause-and-myoclonic-seizure-in-a-child
#17
Hye Ryun Kim, Gun-Ha Kim, So-Hee Eun, Baik-Lin Eun, Jung Hye Byeon
Ictal tachycardia and bradycardia are common arrhythmias; however, ictal sinus pause and asystole are rare. Ictal arrhythmia is mostly reported in adults with temporal lobe epilepsy. Recently, ictal arrhythmia was recognized as a major warning sign of sudden unexpected death in epilepsy. We present an interesting case of a child with ictal sinus pause and asystole. A 27-month-old girl was hospitalized due to 5 episodes of convulsions during the past 2 days. Results of routine electroencephalography (EEG) were normal, but she experienced brief generalized tonic seizure for 3 days...
November 2016: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28009317/-evaluation-of-the-realtionship-of-different-pathogenic-factors-and-arrhythmias-in-patients-with-pulmonary-tuberculosis-and-diabetes
#18
Z Kurbanova, A Bahshaliyev, R Bayramov, J Ismailzada
Definition of the most important factors and their combination, causing the disturbances of heart rhythm in patients with the pulmonary tuberculosis and diabetes, now attracts more and more attention. For this purpose, extensively used the capabilities of multifactorial analysis, which allowed to evaluate the distribution of the pathological factors and their interaction with each other. The objects of the study were complex examination the data of 90 patients with pulmonary tuberculosis and diabetes (insulin-dependent diabetes-27, non-insulin- dependent diabetes-63)...
November 2016: Georgian Medical News
https://www.readbyqxmd.com/read/28008646/acute-cardiac-support-with-intravenous-milrinone-promotes-recovery-from-early-brain-injury-in-a-murine-model-of-severe-subarachnoid-hemorrhage
#19
Tomoko Mutoh, Tatsushi Mutoh, Kazuhiro Nakamura, Yukiko Yamamoto, Yoshiharu Tsuru, Hirokazu Tsubone, Tatsuya Ishikawa, Yasuyuki Taki
Early brain injury/ischemia (EBI) is a serious complication early after subarachnoid hemorrhage (SAH) that contributes to development of delayed cerebral ischemia (DCI). This study aimed to determine the role of inotropic cardiac support using milrinone (MIL) on restoring acute cerebral hypoperfusion attributable to EBI and improving outcomes after experimental SAH. Forty-three male C57BL/6 mice were assigned to either sham surgery (SAH-sham), SAH induced by endovascular perforation plus postconditioning with 2% isoflurane (Control), or SAH plus isoflurane combined with MIL with and without hypoxia-inducible factor inhibitor (HIF-I) pretreatment...
December 23, 2016: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28000658/evaluation-of-left-ventricular-ejection-fractions-in-breast-cancer-patients-undergoing-long-term-trastuzumab-treatment
#20
Yong Sun, Tao Li, Yuanpeng Zhang, Qiwen Zhang
BACKGROUND The aim of this study was to assess the long-term clinical tolerance and cardiac safety during trastuzumab treatment for patients diagnosed as having breast cancer with human epidermal growth factor receptor 2 (HER2) overexpression. MATERIAL AND METHODS A total 105 female cases diagnosed as having breast cancer with high expression of Her2, were treated with trastuzumab (T). All of them underwent electrocardiography monitoring in the process of T treatment. Left ventricular ejection fractions (LVEFs) were estimated using echocardiography before the T treatment and every 3 months...
December 21, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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