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Radiation Induced Heart Disease

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https://www.readbyqxmd.com/read/29025547/contemporary-techniques-of-pericardiectomy-for-pericardial-disease
#1
REVIEW
Pouya Hemmati, Kevin L Greason, Hartzell V Schaff
Pericardiectomy is a potentially curative treatment for constrictive pericarditis. We use a median sternotomy and believe that adequate resection involves removal of the diaphragmatic pericardium and the anterior pericardium. Late outcomes depend on severity of right-sided heart failure preoperatively, the etiology of constrictive pericarditis, and adequate pericardial resection. Late results are excellent in patients with idiopathic disease or those with pericarditis secondary to prior cardiac operations. However, survival is reduced in those with radiation-induced constrictive pericarditis, primarily owing to additional secondary effects of radiation on cardiac valves, epicardial coronary arteries, and ventricular myocardium where fibrosis may cause associated restrictive cardiomyopathy...
November 2017: Cardiology Clinics
https://www.readbyqxmd.com/read/29019475/orofacial-pain-associated-with-vasospastic-angina-a-case-report
#2
Makoto Adachi, Mio Hayashi, Tomonori Segawa, Takahiko Yamaki, Yasunori Muramatsu, Shinichiro Sumitomo
The primary symptom of ischemic heart disease is typically chest pain, but in some cases, this pain may radiate to the maxillofacial region. This article describes the case of a 44-year-old man with orofacial pain of cardiac origin. The patient was suspected to be suffering from cardiac disease by the oral and maxillofacial surgeon and was referred to a cardiologist, where he received a heart examination. The patient was diagnosed by means of cardiac catheterization as having coronary spastic angina. During catheterization, intracoronary ergonovine maleate induced orofacial pain that was almost the same in character and intensity as the patient's first episode...
October 10, 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28976223/proteomics-landscape-of-radiation-induced-cardiovascular-disease-somewhere-over-the-paradigm
#3
Omid Azimzadeh, Soile Tapio
Epidemiological studies clearly show that thoracic or whole body exposure to ionizing radiation increases the risk of cardiac morbidity and mortality. Radiation-induced cardiovascular disease (CVD) has been intensively studied during the last ten years but the underlying molecular mechanisms are still poorly understood. Areas covered: Heart proteomics is a powerful tool holding promise for the future research. The central focus of this review is to compare proteomics data on radiation-induced CVD with data arising from proteomics of healthy and diseased cardiac tissue in general...
October 10, 2017: Expert Review of Proteomics
https://www.readbyqxmd.com/read/28937442/orally-active-epoxyeicosatrienoic-acid-analogs
#4
William B Campbell, John D Imig, James M Schmitz, John R Falck
Biologically active epoxyeicosatrienoic acid (EET) regioisomers are synthesized from arachidonic acid by cytochrome P450 epoxygenases of endothelial, myocardial, and renal tubular cells. EETs relax vascular smooth muscle and decrease inflammatory cell adhesion and cytokine release. Renal EETs promote sodium excretion and vasodilation to decrease hypertension. Cardiac EETs reduce infarct size after ischemia-reperfusion injury and decrease fibrosis and inflammation in heart failure. In diabetes, EETs improve insulin sensitivity, increase glucose tolerance, and reduce the renal injury...
October 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28916844/left-sided-breast-cancer-and-risks-of-secondary-lung-cancer-and-ischemic-heart-disease-effects-of-modern-radiotherapy-techniques
#5
Stefanie Corradini, Hendrik Ballhausen, Helmut Weingandt, Philipp Freislederer, Stephan Schönecker, Maximilian Niyazi, Cristoforo Simonetto, Markus Eidemüller, Ute Ganswindt, Claus Belka
PURPOSE: Modern breast cancer radiotherapy techniques, such as respiratory-gated radiotherapy in deep-inspiration breath-hold (DIBH) or volumetric-modulated arc radiotherapy (VMAT) have been shown to reduce the high dose exposure of the heart in left-sided breast cancer. The aim of the present study was to comparatively estimate the excess relative and absolute risks of radiation-induced secondary lung cancer and ischemic heart disease for different modern radiotherapy techniques. METHODS: Four different treatment plans were generated for ten computed tomography data sets of patients with left-sided breast cancer, using either three-dimensional conformal radiotherapy (3D-CRT) or VMAT, in free-breathing (FB) or DIBH...
September 15, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28871993/predicted-rate-of-secondary-malignancies-following-adjuvant-proton-versus-photon-radiation-therapy-for-thymoma
#6
J Vogel, L Lin, L A Litzky, A T Berman, C B Simone
PURPOSE: Thymic malignancies are the most common tumors of the anterior mediastinum. The benefit of adjuvant radiation therapy for stage II disease remains controversial, and patients treated with adjuvant radiation therapy are at risk of late complications, including radiation-induced secondary malignant neoplasms (SMNs), that may reduce the overall benefit of treatment. We assess the risk of predicted SMNs following adjuvant proton radiation therapy compared with photon radiation therapy after resection of stage II thymic malignancies to determine whether proton therapy improves the risk-benefit ratio...
October 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28870399/the-risk-of-reoperative-cardiac-surgery-in-radiation-induced-valvular-disease
#7
Julius I Ejiofor, Fernando Ramirez-Del Val, Anju Nohria, Anthony Norman, Siobhan McGurk, Sary F Aranki, Prem Shekar, Lawrence H Cohn, Tsuyoshi Kaneko
OBJECTIVE: Mediastinal radiation therapy (MRT) increases the risk for adverse outcomes after cardiac surgery and is not incorporated in the Society of Thoracic Surgeons (STS) risk algorithm. We aimed to quantify the surgical risk conferred by MRT in patients undergoing primary and reoperative valvular operations. METHODS: A retrospective analysis of 261 consecutive patients with prior MRT who underwent valvular operations between January 2002 and May 2015. Short- and long-term outcomes were compared for STS predicted risk of mortality, surgery type, gender, year of surgery, and age-matched patients stratified by reoperative status...
July 29, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28845879/-a-case-of-severe-left-main-isolated-stenosis-in-a-young-woman-with-previous-history-of-non-hodgkin-lymphoma
#8
Sebastian Cinconze, Lucia Coppini, Daniela Lina, Iacopo Tadonio, Maria Alberta Cattabiani, Emilia Solinas, Luigi Vignali, Alberto Menozzi
We report the case of a 34-year-old female treated with radiotherapy and chemotherapy for non-Hodgkin lymphoma at the age of 16. The patient came to our attention because of progressive dyspnea on effort and a positive result on a pharmacologic stress echo test. Coronary angiography revealed focal critical ostial stenosis of the left main coronary artery. Considering the high surgical risk due to possible post-radiation thoracic adherence and the young patient age, she underwent successful stenting of the left main stenosis with drug-eluting stent, followed by an intravascular ultrasound-guided post-dilation and final kissing balloon inflation...
September 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28750189/potential-markers-and-metabolic-processes-involved-in-the-mechanism-of-radiation-induced-heart-injury
#9
Jan Slezak, Branislav Kura, Pavel Babal, Miroslav Barancik, Miroslav Ferko, Karel Frimmel, Barbora Kalocayova, Rakesh C Kukreja, Antigone Lazou, Lucia Mezesova, Ludmila Okruhlicova, Tanya Ravingerova, Pawan K Singal, Barbara Szeiffova Bacova, Csilla Viczenczova, Norbert Vrbjar, Narcis Tribulova
Irradiation of normal tissues leads to acute increase in reactive oxygen/nitrogen species that serve as intra- and inter-cellular signaling to alter cell and tissue function. In the case of chest irradiation, it can affect the heart, blood vessels, and lungs, with consequent tissue remodelation and adverse side effects and symptoms. This complex process is orchestrated by a large number of interacting molecular signals, including cytokines, chemokines, and growth factors. Inflammation, endothelial cell dysfunction, thrombogenesis, organ dysfunction, and ultimate failing of the heart occur as a pathological entity - "radiation-induced heart disease" (RIHD) that is major source of morbidity and mortality...
October 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28679064/implication-of-micrornas-in-the-development-and-potential-treatment-of-radiation-induced-heart-disease
#10
Branislav Kura, Pavel Babal, Jan Slezak
Radiotherapy is the most commonly used methodology to treat oncological disease, one of the most widespread causes of death worldwide. Oncological patients cured by radiotherapy applied to the mediastinal area have been shown to suffer from cardiovascular disease. The increase in the prevalence of radiation-induced heart disease has emphasized the need to seek new therapeutic targets to mitigate the negative impact of radiation on the heart. In this regard, microRNAs (miRNAs) have received considerable interest...
October 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28643731/cardiotoxic-effects-of-radiotherapy-and-strategies-to-reduce-them-in-patients-with-breast-cancer-an-overview
#11
REVIEW
Katarzyna Rygiel
Cardiotoxicity of various anticancer therapies, including radiotherapy (RT), can lead to cardiovascular (CV) complications, and their severity depends on many factors, including the site of action, the applied dose, the method of administration, the presence of pre-existing CV diseases, or CV risk factors, the individual patient characteristics, and the current or previous use of antineoplastic therapies. Cardiotoxicity can occur immediately upon administration of the anticancer therapy or it may have a delayed onset (months or years after the treatment)...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28508833/radiation-induced-non-targeted-effect-in-vivo-evaluation-of-cyclooygenase-2-and-endothelin-1-gene-expression-in-rat-heart-tissues
#12
Reza Fardid, Masoud Najafi, Ashkan Salajegheh, Elahe Kazemi, Abolhasan Rezaeyan
AIM: In this study, we investigated expression levels of cyclooxygenase-2 (COX-2) and endothelin-1 (ET-1) genes after pelvis and heart irradiation in a rat model. These factors are involved in heart diseases (HDs). MATERIALS AND METHODS: We used seven groups, including two groups of pelvic irradiation, two groups of whole body irradiation, two groups of heart irradiation, and one control nonirradiated group. Pelvis irradiations were conducted at a 2 cm × 2 cm in the pelvis area...
January 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28474324/role-of-imaging-in-cardio-oncology
#13
REVIEW
Erick Avelar, Caitlin R Strickland, Guido Rosito
Recent advances in cancer treatment and research have greatly improved survival rates for patients with cancer. However, many of these cancer survivors are developing cardiac disease-most commonly heart failure as a result of this treatment. Certain chemotherapeutic agents, including anthracyclines and trastuzumab, have been linked to cardiotoxicity-induced cardiomyopathy in cancer patients. It has been reported as early as during infusion and as late as several years following treatment. Radiation therapy, particularly to the left breast, has also been linked to cardiac disease...
June 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28440606/pathogenesis-and-prevention-of-radiation-induced-myocardial-fibrosis
#14
Li Kun Liu, Weiwei Ouyang, Xing Zhao, Sheng Fa Su, Yan Yang, Wen Jin Ding, Da Xian Luo, Zhi Xu He, Bing Lu
Radiation therapy is one of the most important methods for the treatment of malignant tumors. However, in radiotherapy for thoracic tumors such as breast cancer, lung cancer, esophageal cancer, and mediastinal lymphoma, the heart, located in the mediastinum, is inevitably affected by the irradiation, leading to pericardial disease, myocardial fibrosis, coronary artery disease, valvular lesions, and cardiac conduction system injury, which are considered radiation-induced heart diseases. Delayed cardiac injury especially myocardial fibrosis is more prominent, and its incidence is as high as 20–80%...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28424841/dosimetric-predictors-of-radiation-induced-pericardial-effusion-in%C3%A2-esophageal-cancer
#15
Ichiro Ogino, Shigenobu Watanabe, Kentaro Sakamaki, Yuka Ogino, Chikara Kunisaki, Kazuo Kimura
PURPOSE: To evaluate the dose-volume parameters of the pericardium and heart in order to reduce the risk of radiation-induced pericardial effusion (PE) and symptomatic PE (SPE) in esophageal cancer patients treated with concurrent chemoradiotherapy. METHODS: In 86 of 303 esophageal cancer patients, follow-up CT was obtained at least 24 months after concurrent chemoradiotherapy. Correlations between clinical factors, including risk factors for cardiac disease, dosimetric factors, and the incidence of PE and SPE after radiotherapy were analyzed using Cox proportional hazard regression analysis...
July 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28392465/l-carnitine-preserves-cardiac-function-by-activating-p38-mapk-nrf2-signalling-in-hearts-exposed-to-irradiation
#16
Zhigang Fan, Yang Han, Yuanpeng Ye, Chao Liu, Hui Cai
Radiation-induced heart damage (RIHD) is now considered to be one of the causes of mortality in cancer patients undergoing radiotherapy. Cardiac function impairments are clinical manifestations of RIHD. L-carnitine shows protective effects against irradiation and heart disease. This study was aimed to investigate the cardioprotective effects and potential molecular mechanisms of L-carnitine against RIHD. Mouse hearts were exposed to γ-radiation to induce RIHD. L-carnitine at doses of 100mg/Kg and 200mg/Kg was used to treat animals intraperitoneally...
June 5, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28342038/coronary-artery-calcium-in-breast-cancer-survivors-after-radiation-therapy
#17
Richard A P Takx, Rozemarijn Vliegenthart, U Joseph Schoepf, Lothar R Pilz, Stefan O Schoenberg, Pamela B Morris, Thomas Henzler, Paul Apfaltrer
The purpose of the current study is to investigate whether breast cancer survivors after radiation therapy have a higher burden of coronary artery calcium as a potential surrogate of radiation-induced accelerated coronary artery disease. 333 patients were included. 54 patients underwent chest CT ≥ 6 months after the start of radiation therapy (radiation therapy group), while 279 patients had a CT scan either prior to or without undergoing radiation therapy (RT). Coronary artery calcium was quantified from CT by applying a threshold-based automated algorithm...
September 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28231026/late-administration-of-a-palladium-lipoic-acid-complex-poly-mva-modifies-cardiac-mitochondria-but-not-functional-or-structural-manifestations-of-radiation-induced-heart-disease-in-a-rat-model
#18
Vijayalakshmi Sridharan, John W Seawright, Francis J Antonawich, Merrill Garnett, Maohua Cao, Preeti Singh, Marjan Boerma
Exposure of the heart to ionizing radiation can cause adverse myocardial remodeling. In small animal models, local heart irradiation causes persistent alterations in cardiac mitochondrial function and swelling. POLY-MVA is a dietary supplement that contains a palladium lipoic acid complex that targets mitochondrial complex I and has been demonstrated to have greater redox potential than lipoic acid alone. POLY-MVA improves mitochondrial function and anti-oxidant enzyme activity in the aged rat heart. In this study, we tested whether POLY-MVA can mitigate cardiac effects of ionizing radiation...
March 2017: Radiation Research
https://www.readbyqxmd.com/read/28170314/heart-disease-mortality-in-the-life-span-study-1950-2008
#19
Ikuno Takahashi, Yukiko Shimizu, Eric J Grant, John Cologne, Kotaro Ozasa, Kazunori Kodama
Based on the findings from the Radiation Effects Research Foundation's studies of the cohort of Japanese atomic bomb survivors, it has been reported that total-body irradiation at 0.5-1.0 Gy could be responsible for increased rates of mortality from broad-based categories of cardiovascular disease (CVD), i.e., stroke and heart disease. However, CVD consists of various subtypes that have potentially different radiation dose responses, as well as subtype-specific risks that have not been fully evaluated. Potential problems with changes in the coding rules for the International Classification of Diseases (ICD) and the underlying causes and trends in CVD mortality in Japan also need to be considered...
March 2017: Radiation Research
https://www.readbyqxmd.com/read/28151876/late-onset-radiation-induced-constrictive-pericarditis-and-cardiomyopathy-after-radiotherapy-a-case-report
#20
Xiao-Feng Zhuang, Yan-Min Yang, Xiao-Lu Sun, Zhong-Kai Liao, Jie Huang
INTRODUCTION: Radiation-induced heart disease (RIHD) is a serious side effect of cancer treatment, including coronary artery disease, valvular cardiac dysfunction, cardiomyopathy, aortopathy, and chronic constrictive pericarditis. Herein, this case we present was diagnosed as radiation-induced constrictive pericarditis and cardiomyopathy by means of cardiac magnetic resonance (CMR) and transthoracic echocardiogram, finally confirmed by pathology after performing heart transplant operation...
February 2017: Medicine (Baltimore)
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