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Cardiology

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https://www.readbyqxmd.com/read/27577264/coronary-artery-fistulas-case-series-and-literature-review
#1
Christina Karazisi, Peter Eriksson, Mikael Dellborg
Congenital coronary artery fistulas are rare anomalies. As coronary angiography and multidetector computed tomography have become more accessible, they have been increasingly used in the investigation of chest pain and heart failure. Coronary artery fistulas are often an incidental finding, which raises the question of how patients with this condition should be managed. Intervention with either transcatheter closure or surgical closure is often technically possible. Many patients are asymptomatic early after closure...
August 30, 2017: Cardiology
https://www.readbyqxmd.com/read/27925612/transthoracic-echocardiography-to-assess-aortic-regurgitation-after-tavr-a-comparison-with-periprocedural-transesophageal-echocardiography
#2
Alexandra Goncalves, Charles Nyman, David R Okada, Avinainder Singh, Jeffrey Swanson, Michael Cheezum, Michael Steigner, Marcelo Di Carli, Scott Solomon, Pinak B Shah, Deepak L Bhatt, Douglas Shook, Ron Blankstein
BACKGROUND: We aimed to compare periprocedural transesophageal echocardiography (TEE) with postprocedural transthoracic echocardiography (TTE) for the diagnosis of aortic regurgitation (AR). METHODS AND RESULTS: TEE and TTE images of 163 transcatheter aortic valve replacement (TAVR) patients (mean age 81 ± 8 years; 56% men) were reviewed separately and blinded to each other as well as to all clinical data. The median time between TEE during TAVR (TEE/TAVR) and TTE was 4 days (IQR 2-10 days)...
December 8, 2016: Cardiology
https://www.readbyqxmd.com/read/27923231/congenital-absence-of-the-pericardium-a-systematic-approach-to-diagnosis-and-management
#3
Bo Xu, Jorge Betancor, Craig Asher, Adriana Rosario, Allan Klein
Congenital absence of the pericardium (CAP) is a rare condition. Failure to recognize the clinical features of this condition can lead to incorrect and delayed diagnosis. Limited data are available regarding the optimal approach to diagnose and manage patients with suspected CAP. Due to the rare nature of CAP, this condition can present diagnostic and management dilemmas for clinicians. Using 3 cases of CAP as a framework, a clinically focused review on the diagnosis and management of CAP is presented. Clinicians will be provided with a systematic approach to evaluating patients with suspected CAP, incorporating key history, examination, and multimodality cardiovascular imaging investigations...
December 7, 2016: Cardiology
https://www.readbyqxmd.com/read/27894109/ozone-therapy-and-its-use-in-medicine-further-comments
#4
Lamberto Re, Robert Rowen, Valter Travagli
No abstract text is available yet for this article.
November 29, 2016: Cardiology
https://www.readbyqxmd.com/read/27880950/protease-activated-receptor-1-contributes-to-angiotensin-ii-induced-cardiovascular-remodeling-and-inflammation
#5
Silvio Antoniak, Jessica C Cardenas, Laura J Buczek, Frank C Church, Nigel Mackman, Rafal Pawlinski
BACKGROUND: Angiotensin II (Ang II) plays an important role in cardiovascular disease. It also leads to the activation of coagulation. The coagulation protease thrombin induces cellular responses by activating protease-activated receptor 1 (PAR-1). We investigated whether PAR-1 contributes to Ang II-induced cardiovascular remodeling and inflammation. METHODS AND RESULTS: PAR-1+/+ (wild-type; WT) and PAR-1-/- mice were infused with Ang II (600 ng/kg/min) for up to 4 weeks...
November 24, 2016: Cardiology
https://www.readbyqxmd.com/read/27846629/assessment-of-a-drug-eluting-balloon-for-the-treatment-of-de-novo-coronary-lesions-guided-by-optical-coherence-tomography-study-protocol-for-a-randomized-controlled-trial
#6
Bo Li, Yu Ding, Feng Tian, Weiren Chen, Tianwen Han, Yundai Chen
BACKGROUND: The drug-eluting balloon (DEB) is a promising tool to prevent restenosis after coronary angioplasty. However, data on the outcomes of DEB in de novo lesions are scarce. Vessel recoil and constrictive remodeling are the dominant causes of restenosis after angioplasty. The use of cutting balloons (CB) may effectively reduce elastic recoil after balloon dilation. In this study, we evaluate the efficacy and safety of DEB in treating de novo coronary artery lesions, using a predilation strategy with cutting balloon (CB) dilation before DEB angioplasty...
November 16, 2016: Cardiology
https://www.readbyqxmd.com/read/27832643/cardiac-surgery-for-carcinoid-heart-disease-a-weapon-not-to-be-misused
#7
Maria Bonou, Chris J Kapelios, Gregory Kaltsas, Konstantinos Perreas, Konstantinos Toutouzas, John Barbetseas
Carcinoid heart disease (CHD) complicates approximately 25% of patients with a carcinoid tumor and carcinoid syndrome and leads to heart valve degeneration with mixed-stenotic and regurgitation pathology and consequent heart failure (HF) leading to significant morbidity and mortality. Cardiac surgery in symptomatic, severe CHD leads to significantly better functional capacity and prolonged survival when compared to medical treatment alone. Recent studies have shown improvement in postoperative outcomes of patients undergoing surgery for CHD over the last decades...
November 11, 2016: Cardiology
https://www.readbyqxmd.com/read/27829244/red-cell-distribution-width-and-hemorrhagic-events-related-to-dabigatran-use
#8
Ibrahim Halil Altiparmak, Feyzullah Besli
No abstract text is available yet for this article.
November 10, 2016: Cardiology
https://www.readbyqxmd.com/read/27825159/injection-of-htert-transduced-endothelial-progenitor-cells-promotes-beneficial-aortic-changes-in-a-high-fat-dietary-model-of-early-atherosclerosis
#9
Xingsheng Li, Yanru Deng, Shunrong Zhao, Dandan Zhang, Qingwei Chen
OBJECTIVES: Cultured endothelial progenitor cells (EPCs) display troubling issues that adversely affect their applicability to endothelial regeneration. We hypothesized that transduction of the human telomerase catalytic subunit (hTERT) gene would enhance EPC function in treating dietary-induced early atherosclerosis (AS). METHODS: A dietary-induced early AS model was successfully constructed in 90 healthy male rats, while 30 healthy control (HC) rats were normally fed...
November 9, 2016: Cardiology
https://www.readbyqxmd.com/read/27825157/biomarkers-in-heart-failure-with-preserved-ejection-fraction-problems-and-opportunities
#10
Filippos K Triposkiadis
No abstract text is available yet for this article.
November 9, 2016: Cardiology
https://www.readbyqxmd.com/read/27816974/troponin-i-and-d-dimer-for-discriminating-acute-pulmonary-thromboembolism-from-myocardial-infarction
#11
Soo Jin Kim, Moo Hyun Kim, Kwang Min Lee, Tae Hyung Kim, Sun Yong Choi, Min Kook Son, Ji Woen Park, Victor L Serebruany
BACKGROUND: Acute pulmonary thromboembolism (APTE) is a life-threatening condition, often manifesting with chest pain, dyspnea, and increased cardiac biomarkers including cardiac troponin I (CTI) and D-dimer. Therefore, APTE is often misdiagnosed with classical non-ST elevation myocardial infarction (NSTEMI), resulting in unnecessary coronary interventions and a delay of therapy. OBJECTIVES: Our aim was to distinguish APTE from NSTEMI based on CTI and D-dimer levels...
November 5, 2016: Cardiology
https://www.readbyqxmd.com/read/27802430/prognostic-value-of-red-blood-cell-distribution-width-on-bleeding-events-in-nonvalvular-atrial-fibrillation-patients-taking-dabigatran-110-mg-b-i-d-after-catheter-ablation
#12
Qing Zhang, Yao Qin, Dong-Sheng Zhao, Hai-Ping Zhao, Lei Zhou
OBJECTIVES: Recent research has indicated that red blood cell distribution width (RDW) is associated with the prognosis of cardiovascular diseases such as chronic heart failure and coronary heart disease. We aimed to study the predictive value of RDW for bleeding events in patients with nonvalvular atrial fibrillation (NVAF) during the administration of 110 mg of dabigatran twice a day after catheter ablation. METHODS: One hundred and seventy-two NVAF patients who were hospitalized and received catheter ablation in Jiangsu Provincial People's Hospital from January 2014 to January 2015 were enrolled (110 mg of dabigatran was administered orally to outpatients preoperatively twice a day for 3 weeks)...
November 2, 2016: Cardiology
https://www.readbyqxmd.com/read/27788514/long-term-follow-up-after-perimembranous-ventricular-septal-defect-repair
#13
Berhane Worku, Arash Salemi
No abstract text is available yet for this article.
October 28, 2016: Cardiology
https://www.readbyqxmd.com/read/27784010/clinical-application-of-biomarkers-in-heart-failure-with-a-preserved-ejection-fraction-a-review
#14
Aakash Garg, Deepti Virmani, Sahil Agrawal, Chirag Agarwal, Abhishek Sharma, Giulio Stefanini, John B Kostis
Heart failure with a preserved ejection fraction (HFpEF) is increasingly prevalent and a leading cause of morbidity and mortality worldwide. HFpEF has a complex pathophysiology, with recent evidence suggesting that an interaction of cardiovascular and noncardiovascular comorbidities (e.g. obesity, hypertension, diabetes, coronary artery disease, and chronic kidney disease) induces an inflammatory state that eventually leads to myocardial structural and functional alterations. Current ACCF/AHA guidelines suggest incorporation of biomarkers along with clinical and imaging tools to establish the diagnosis and disease severity in heart failure (HF)...
October 27, 2016: Cardiology
https://www.readbyqxmd.com/read/27780169/the-effects-of-carvedilol-on-cardiac-function-and-the-akt-xiap-signaling-pathway-in-diabetic-cardiomyopathy-rats
#15
Wencheng Zheng, Xiaoming Shang, Chunlai Zhang, Xiang Gao, Barry Robinson, Jing Liu
OBJECTIVES: Diabetic cardiomyopathy (DCM) is characterized by cardiac dysfunction, myocardial inflammation, interstitial fibrosis and cardiomyocytes apoptosis. The present study aimed to investigate the effects of carvedilol on cardiac function and the AKT/XIAP signaling pathway in DCM rats. METHODS: Male Wistar rats were randomly divided into 3 groups: the control group, diabetic mellitus (DM) group and DM with carvedilol treatment group. DM rats were induced by streptozotocin accompanied by high energy intake...
October 26, 2016: Cardiology
https://www.readbyqxmd.com/read/27728906/carbon-monoxide-saturated-hemoglobin-based-oxygen-carriers-attenuate-high-altitude-induced-cardiac-injury-by-amelioration-of-the-inflammation-response-and-mitochondrial-oxidative-damage
#16
Qingshu Wang, Ling Hu, Yu Hu, Gu Gong, Hua Tan, Li Deng, Xiaoqin Sun, Xiaobo Yi, Yangyang Sun, Wei Wu, Tao Li
OBJECTIVE: To investigate the therapeutic effect of carbon monoxide (CO) on high-altitude hypoxia-induced cardiac damage. METHODS: Forty male C57BL/6 mice were randomly divided into 4 groups. The mice were exposed to normoxia or simulated 5,500-meter high-altitude hypoxia in a hypobaric chamber for 7 days. During the first 3 days, the mice were pretreated with CO-saturated hemoglobin (Hb)-based oxygen carrier (CO-HBOC), oxygen-saturated hemoglobin-based oxygen carrier (O2-HBOC) at a dose of 0...
October 12, 2016: Cardiology
https://www.readbyqxmd.com/read/27698326/on-pump-versus-off-pump-complete-arterial-revascularization-using-bilateral-internal-mammary-arteries-and-the-t-graft-technique-clinical-and-angiographic-results-for-3-445-patients-in-13-years-of-follow-up
#17
Friedrich-Christian Riess, Stefan Heller, Eva Cramer, Nizar Awwad, Wagma Amin, Lorenz Hansen, Claas Lehmann, Joachim Schofer, Jan Stripling, Stephan Winkel, Peter Kremer
BACKGROUND: This is an investigation of complete arterial coronary artery bypass grafting (CACABG) using bilateral internal mammary arteries (IMA) and the T-graft technique either on- or off-pump as a routine approach to treat coronary artery disease. METHODS: Between January 2000 and December 2012, 3,445 patients underwent on-pump (n = 2,216) or off-pump (n = 1,229) CACABG. A 30-day follow-up was performed prospectively, a long-term follow-up by a questionnaire, and coronary angiography in selected patients...
October 4, 2016: Cardiology
https://www.readbyqxmd.com/read/27681934/plasma-catestatin-in-patients-with-acute-coronary-syndrome
#18
Weixian Xu, Haiyi Yu, Hubing Wu, Siheng Li, Baoxia Chen, Wei Gao
OBJECTIVES: To measure plasma catestatin levels in patients with acute coronary syndrome and investigate whether there is an association between catestatin levels and long-term outcome. METHODS: Patients (n = 170) with suspected acute coronary syndrome who underwent emergency coronary angiography were enrolled, including 46 with acute ST-segment elevation myocardial infarction (STEMI), 89 with unstable angina pectoris (UAP), and 35 without coronary artery disease (CAD)...
September 29, 2016: Cardiology
https://www.readbyqxmd.com/read/27657984/trpv1-a-potential-therapeutic-target-for-myocardial-infarction
#19
Lu Cao, Lihua Cheng, Jing Xu
No abstract text is available yet for this article.
September 23, 2016: Cardiology
https://www.readbyqxmd.com/read/27657799/eeduheart-i-a-multicenter-randomized-controlled-trial-investigating-the-effectiveness-of-a-cardiac-web-based-elearning-platform-rationale-and-study-design
#20
Ines Frederix, Thijs Vandenberk, Leen Janssen, Anne Geurden, Pieter Vandervoort, Paul Dendale
OBJECTIVES: Cardiac telerehabilitation includes, in its most comprehensive format, telemonitoring, telecoaching, social interaction, and eLearning. The specific role of eLearning, however, was seldom assessed. The aim of eEduHeart I is to investigate the medium-term effectiveness of the addition of a cardiac web-based eLearing platform to conventional cardiac care. METHODS: In this prospective, multicenter randomized, controlled trial, 1,000 patients with coronary artery disease will be randomized 1:1 to an intervention group (receiving 1-month unrestricted access to the cardiac eLearning platform in addition to conventional cardiac care) or to conventional cardiac care alone...
September 23, 2016: Cardiology
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