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Right ventricular myocardial infarction

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https://www.readbyqxmd.com/read/29666101/solitary-cardiac-metastasis-from-primary-oral-squamous-cell-carcinoma-presenting-as-st-elevation-mi
#1
Hiren Patel, Michael Francke, Heather Stahura, Mohammad El-Hajjar, Joshua Schulman-Marcus
Cardiac metastases from oral squamous cell carcinoma (SCC) are rare, especially in the absence of systemic metastasis. We describe a case of a patient presenting with chest pain and ECG abnormalities concerning for ST-elevation myocardial infarction that eventually was found to have an incidental right ventricular mass on chest CT angiogram. Ultimately, she had an intracardiac echocardiography-assisted biopsy diagnosis of isolated cardiac metastasis from primary oral SCC. The extent of the disease precluded any surgical intervention, and the patient subsequently transitioned to hospice care...
April 17, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29650544/evaluation-and-management-of-right-sided-heart-failure-a-scientific-statement-from-the-american-heart-association
#2
REVIEW
Marvin A Konstam, Michael S Kiernan, Daniel Bernstein, Biykem Bozkurt, Miriam Jacob, Navin K Kapur, Robb D Kociol, Eldrin F Lewis, Mandeep R Mehra, Francis D Pagani, Amish N Raval, Carey Ward
BACKGROUND AND PURPOSE: The diverse causes of right-sided heart failure (RHF) include, among others, primary cardiomyopathies with right ventricular (RV) involvement, RV ischemia and infarction, volume loading caused by cardiac lesions associated with congenital heart disease and valvular pathologies, and pressure loading resulting from pulmonic stenosis or pulmonary hypertension from a variety of causes, including left-sided heart disease. Progressive RV dysfunction in these disease states is associated with increased morbidity and mortality...
April 12, 2018: Circulation
https://www.readbyqxmd.com/read/29628145/percutaneous-biventricular-impella-support-in-therapy-refractory-cardiogenic-shock
#3
Cheng-Ying Chiu, Robert Hättasch, Damaris Praeger, Fabian Knebel, Karl Stangl, Ivan Diaz Ramirez, Henryk Dreger
INTRODUCTION: Percutaneous mechanical circulatory support systems have increasingly been adopted as a bail out strategy in patients with cardiogenic shock. Since studies showed mostly mixed results, however, the use of support systems remains a case by case decision. CASE: Here, we report on a case of therapy-refractory cardiogenic shock due to acute myocardial infarction treated with percutaneous right and left ventricular assist devices (Impella RP and CP). CONCLUSION: Due to myocardial stunning, even patients with fulminant cardiogenic shock have the potential for full recovery...
April 5, 2018: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/29622970/sudden-cardiac-death-with-triple-pathologies-a-case-report
#4
R Razuin, F Nurquin, M N Shahidan, M N Julina
Sudden cardiac death in young adults may be associated with rare cardiomyopathies such as left ventricular noncompaction (LVNC) and arrhythmogenic right ventricular (ARVC) cardiomyopathies. LVNC is characterised by hypertrabeculations and deep recesses of the left ventricle. ARVC presents with thin myocardium as a result of extensive fibro-fatty infiltrations. In both conditions, death may be due to arrhythmia, thromboembolic events or heart failure. We report a case of a 21-year old athletic young man who collapsed at the futsal court right after the game...
June 2017: Egypt Heart J
https://www.readbyqxmd.com/read/29621066/electrical-stimulation-based-renal-nerve-mapping-exacerbates-ventricular-arrhythmias-during-acute-myocardial-ischaemia
#5
Bing Huang, Xiaoya Zhou, Menglong Wang, Xuefei Li, Liping Zhou, Guannan Meng, Yuhong Wang, Zhuo Wang, Songyun Wang, Lilei Yu, Hong Jiang
OBJECTIVE: Blood pressure elevation in response to transient renal nerve stimulation (RNS) has been used to determine the ablation target and endpoint of renal denervation. This study aimed to evaluate the safety of transient RNS in canines with normal or ischaemic hearts. METHODS: In ten normal (Group 1) and six healed myocardial infarction (HMI) (Group 2) canines, a large-tip catheter was inserted into the left or right renal artery to perform transient RNS. The left stellate ganglion neural activity (LSGNA) and ventricular electrophysiological parameters were measured at baseline and during transient RNS...
April 4, 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29604187/investigating-the-possible-mechanisms-involved-in-adenosine-preconditioning-induced-cardioprotection-in-rats
#6
Lovedeep Singh, Jasleen Kaur Virdi, L N Maslov, Nirmal Singh, Amteshwar Singh Jaggi
BACKGROUND: Adenosine is a breakdown product of adenosine triphosphate and plays an important role in pharmacological preconditioning. The cardioprotective effects of adenosine preconditioning are well established. However, the possible mechanisms need to be explored. AIM: The present study was aimed to investigate the possible mechanisms involved in adenosine preconditioning-induced cardioprotection in rats. METHODS: Rat heart was isolated and perfused on Langendorff apparatus...
March 31, 2018: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/29601115/long-term-beta-blocker-therapy-after-myocardial-infarction-in-the-reperfusion-era-a-systematic-review
#7
Jenny Hong, Arden R Barry
Beta-blockers are recommended as standard of care for patients who experience a myocardial infarction (MI). However, evidence to support this recommendation is primarily derived from the pre-reperfusion era. In the reperfusion era, short-term (≤30 days) beta-blocker therapy has been demonstrated to reduce recurrent MI and angina, but not mortality. The objective of this review was to evaluate the evidence for long-term (≥1 year) beta-blocker therapy in patients post-MI without left ventricular dysfunction in the reperfusion era...
March 30, 2018: Pharmacotherapy
https://www.readbyqxmd.com/read/29597051/prognostic-impact-of-pulmonary-artery-pulsatility-index-papi-in-patients-with-advanced-heart-failure-insights-from-the-escape-trial
#8
Stephanie Meller Kochav, Raul J Flores, Lauren K Truby, Veli K Topkara
BACKGROUND: The pulmonary artery pulsatility index (PAPi) - defined as the ratio of pulmonary artery pulse pressure to right atrial pressure -emerged as a powerful predictor of right ventricular (RV) failure in patients with acute inferior myocardial infarction and those undergoing left ventricular assist device placement, however, its prognostic utility in the advanced heart failure population remains largely unknown. METHODS AND RESULTS: We comparatively analyzed PAPi with traditional indices of RV function including RV stroke work index (RVSWI) and right atrial /pulmonary capillary wedge pressure ratio (RAP/PCWP) in the ESCAPE trial...
March 26, 2018: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/29577346/the-impact-of-right-ventricular-function-assessed-by-2-dimensional-speckle-tracking-echocardiography-on-early-mortality-in-patients-with-inferior-myocardial-infarction
#9
Batur G Kanar, Mustafa K Tigen, Murat Sunbul, Altug Cincin, Halil Atas, Alper Kepez, Beste Ozben
BACKGROUND: Right ventricular (RV) involvement in inferior myocardial infarction (MI) increases in-hospital morbidity and mortality. HYPOTHESIS: RV systolic dysfunction assessed by 2-dimensional speckle tracking echocardiography (STE) might be a predictor of early mortality in patients with acute inferior MI. METHODS: Eighty-one consecutive patients with acute inferior MI (mean age, 60.8 ± 12.7 years; 18 females) were included. RV myocardial involvement was defined as an elevation >1 mm in V1 or V4 R within 12 hours of symptom onset...
March 25, 2018: Clinical Cardiology
https://www.readbyqxmd.com/read/29576967/prognostic-value-of-new-onset-right-bundle-branch-block-in-acute-myocardial-infarction-patients-a-systematic-review-and-meta-analysis
#10
Juntao Wang, Hongxing Luo, Chunling Kong, Shujuan Dong, Jingchao Li, Haijia Yu, Yingjie Chu
Background: Patients with acute myocardial infarction (AMI) and bundle-branch block have poor prognoses. The new European Society of Cardiology guideline suggests a primary percutaneous coronary intervention strategy when persistent ischemic symptoms occur in patients with persistent ischemic symptoms and right bundle-branch block (RBBB), but the level of evidence is not high. In fact, the presence of RBBB may lead to the misdiagnosis of transmural ischemia and mask the early diagnosis of ST-elevation myocardial infarction...
2018: PeerJ
https://www.readbyqxmd.com/read/29570428/intravascular-cooling-catheter-related-venous-thromboembolism-after-hypothermia-a-case-report-and-review-of-the-literature
#11
Xuan Wang, Brian T Moy, Brett J Hiendlmayr, Felix Krainski, W Lane Duvall, Antonio B Fernandez
Fifty-four year-old man with recent history of myocardial infarction and a percutaneous coronary intervention who suffered a ventricular fibrillation arrest at home. He was resuscitated in the field. His heart rhythm was in atrial fibrillation. The cardiac catheterization showed a patent stent from his previous myocardial infarction and no new occlusions. He subsequently underwent hypothermia protocol using the Alsius CoolGard 3000 Temperature Control System and Icy Catheter. Heparin drip was started for atrial fibrillation 36 hours after catheter insertion and became therapeutic 2 hours before the end of cooling maintenance phase...
March 23, 2018: Therapeutic Hypothermia and Temperature Management
https://www.readbyqxmd.com/read/29543365/late-potentials-abolition-reduces-ventricular-tachycardia-recurrence-after-ablation-especially-in-higher-risk-patients-with-a-chronic-total-occlusion-in-an-infarct-related-artery
#12
Andrea Di Marco, Teresa Oloriz Sanjuan, Gabriele Paglino, Francesca Baratto, Pasquale Vergara, Caterina Bisceglia, Nicola Trevisi, Simone Sala, Alessandra Marzi, Simone Gulletta, Manuela Cireddu, Ignasi Anguera, Paolo Della Bella
INTRODUCTION: Late potentials (LP) abolition is recognized as an effective strategy for substrate ablation of ventricular tachycardia (VT). The presence of a chronic total occlusion in a coronary artery responsible for a previous myocardial infarction (infarct related artery CTO, IRA-CTO) is emerging as a predictor of ventricular arrhythmias and VT recurrence after ablation. We sought to analyze the effects of LP abolition, focusing on the high-risk sub-group of patients with IRA-CTO...
March 15, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29493810/effect-of-t1-mapping-technique-and-diminished-image-resolution-on-quantification-of-infarct-mass-and-its-ability-in-predicting-appropriate-icd-therapy
#13
Nadia A Farrag, Venkat Ramanan, Graham A Wright, Eranga Ukwatta
PURPOSE: Myocardial infarct (MI) may consist of an infarct core (IC) and a heterogeneous, semi-viable border zone (BZ). Patients with chronic MI in the left ventricular (LV) myocardium are at increased risk of developing ventricular arrhythmias, and may therefore qualify for implantable cardioverter defibrillator (ICD) therapy. Indices based on MI mass, as determined by cardiac magnetic resonance (CMR) imaging, are shown to be sensitive in predicting adverse ventricular arrhythmic events...
March 1, 2018: Medical Physics
https://www.readbyqxmd.com/read/29479662/echocardiographic-assessment-of-right-ventricle-free-wall-strain-for-prediction-of-right-coronary-artery-proximal-lesion-in-patients-with-inferior-myocardial-infarction
#14
Cetin Gecmen, Ozkan Candan, Muzaffer Kahyaoglu, Arzu Kalayci, Ender Ozgun Cakmak, Ahmet Karaduman, Ibrahim Akin Izgi, Cevat Kirma
In this study, our objective was to evaluate right ventricular functions with speckle-tracking and conventional echocardiographic methods in patients with acute inferior myocardial infarction and to investigate the correlation between the echocardiographic parameters and the prediction of the proximal RCA lesions. 77 patients were included in this study. Patients with a RCA occluded proximal to the right ventricular branch were assigned to Group 1 and patients with an RCA occlusion distal to the right ventricle branch were assigned to Group 2...
February 26, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29473235/caveolin-3-dependent-loss-of-t-tubular-i-ca-during-hypertrophy-and-heart-failure-in-mice
#15
Simon M Bryant, Cherrie H T Kong, Judy J Watson, Hanne C Gadeberg, Andrew F James, Mark B Cannell, Clive H Orchard
BACKGROUND: Previous work has shown redistribution of L-type Ca current (ICa ) from the t-tubules to the surface membrane of rat ventricular myocytes following myocardial infarction. However, whether this occurs in all species and in response to other insults, the relationship of this redistribution to the severity of the pathology, and the underlying mechanism, are unknown. We have therefore investigated the response of mouse hearts and myocytes to pressure overload induced by transverse aortic constriction (TAC)...
February 23, 2018: Experimental Physiology
https://www.readbyqxmd.com/read/29465438/the-evolving-role-of-percutaneous-ventricular-assist-devices-in-high-risk-cardiac-patients
#16
Ilan A Marcuschamer, Aryeh Abelow, Ran Kornowski
The Impella is a mechanical circulatory support device that supports ventricular function. Since 2008, when the first Impella device received Food and Drug Administration clearance, its use has become increasingly prevalent. A variety of Impella devices are available, and are differentiated by size, power, and insertion techniques. These versions of the Impella have been used in a multitude of clinical scenarios, both emergent and elective, including high-risk coronary interventions, acute myocardial infarction complicated by cardiogenic shock, decompensated left and right heart failure, high-risk ventricular tachycardia ablations, and aortic valvuloplasty...
February 20, 2018: Coronary Artery Disease
https://www.readbyqxmd.com/read/29460403/effects-of-ivabradine-on-endothelial-function-aortic-properties-and-ventricular-arterial-coupling-in-chronic-systolic-heart-failure-patients
#17
Ivano Bonadei, Edoardo Sciatti, Enrico Vizzardi, Davide Fabbricatore, Mattia Pagnoni, Laura Rossi, Valentina Carubelli, Carlo M Lombardi, Marco Metra
AIM: Heart rate (HR) is an important prognostic factor in patients affected by chronic heart failure (CHF); ivabradine has been demonstrated to significantly reduce nonfatal myocardial infarction and hospitalization rate for acute heart failure and to improve left ventricular (LV) reverse remodeling, quality of life, exercise capacity, and arterial elastance (Ea) in these patients. We aimed at evaluating the short-term effects of ivabradine on ventricular-arterial coupling (VAC), aortic stiffness, and endothelial function in stable patients with CHF...
February 20, 2018: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/29435640/feasibility-and-safety-of-outpatient-cardiac-catheterization-with-intracoronary-acetylcholine-provocation-test
#18
Yuichi Saito, Hideki Kitahara, Toshihiro Shoji, Satoshi Tokimasa, Takashi Nakayama, Kazumasa Sugimoto, Yoshihide Fujimoto, Yoshio Kobayashi
Intracoronary acetylcholine (ACh) provocation test is useful to diagnose vasospastic angina. Although outpatient coronary angiography has been widely performed in current clinical settings, the feasibility and safety of ACh provocation test in outpatient services are unclear. A total of 323 patients, who electively underwent ACh provocation test in hospitalization and outpatient services, were included. Coronary angiography was performed after insertion of a temporary pacing electrode in the right ventricle...
February 12, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29416586/brain-natriuretic-peptide-levels-in-acute-inferior-myocardial-infarction
#19
Tarik Yildirim, Seda Elcim Yildirim, Meryem Aktoz, Armagan Altun
Background: Our objective was to evaluate the relationship between initial serum brain natriuretic peptide (BNP) levels and right ventricular functions in inferior myocardial infarction (MI) with and without right ventricular involvement. Methods: The study included 61 patients, who presented with acute inferior MI. Twenty-seven patients had right ventricular involvement. Blood samples for BNP were obtained from each patient on admission. Echocardiographic assessments were performed and recorded during the first 12 h...
March 2018: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29416213/the-role-of-doppler-imaging-in-the-assessment-of-right-ventricular-function-a-case-control-study-of-acute-inferior-wall-infarction
#20
Mojdeh Dabirian, Mohsen Aarabi, Maryam Nabati, Babak Bagheri, Shideh Nikoohemat, Vahid Mokhberi, Aliasghar Farsavian, Hadi Darvishi-Khezri
Background: Right ventricular infarction (RVI) develops in 30-50% of patients with inferior wall infarction (IWI). The rates of mortality, morbidity, and complications in these patients are greater than in the patients without RVI. We compared the tissue Doppler imaging (TDI) indices between a group of patients with IWI and RVI, with a similar group of patients who had IWI alone to investigate the application of TDI indices in the evaluation and detection of right ventricular function...
February 2018: Medical Archives
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