Cardiovascular Diseases Commons^™

Surgical Endoepicardial Linear Ablation For Ventricular Tachycardia With Postinfarction Left Ventricular Aneurysm, Changcheng Liu, Zhaoping Su, Liangshan Wang, Bo Li, Jin Wang, Yang Yu, Chengxiong Gu

The Texas Heart Institute Journal

This retrospective study evaluated the feasibility of surgical endoepicardial linear ablation for ventricular tachycardia in patients with postinfarction left ventricular aneurysm. Sixty-four patients with multivessel coronary artery disease and left ventricular aneurysm but no mural thrombosis of the aneurysm or valve disease were treated at our institution from March 2012 through July 2015. All underwent off-pump coronary artery bypass grafting and left ventricular aneurysm repair by linear plication. Twenty-three patients (35.9%) had ventricular tachycardia and underwent surgical endoepicardial linear ablation on the beating heart guided by epicardial substrate mapping with the Carto 3 system. The remaining 41 patients (64.1%) composed …

Altered Mental Status And Hyponatremia After 20 Hours Of Amiodarone Therapy, Andrea Qi, John C Moscona, Justin Reed, Thierry H Le Jemtel

The Texas Heart Institute Journal

A 66-year-old woman with no relevant medical history presented at the emergency department with new-onset atrial fibrillation. We initiated intravenous amiodarone therapy. At 20 hours, the patient experienced severe neurologic symptoms, hyponatremia, and syndrome of inappropriate antidiuretic hormone. We discontinued amiodarone, infused saline solution, and restricted the patient's fluid intake. She recovered in 3 days. This case illustrates that amiodarone-induced syndrome of inappropriate antidiuretic hormone with hyponatremia can occur far earlier than expected during acute amiodarone therapy.

Cardiac Involvement By Burkitt Lymphoma In A 49-Year-Old Man, Kainat Khalid, Nadeen Faza, Nasser M Lakkis, Rashed Tabbaa

The Texas Heart Institute Journal

Malignant metastases are among the most common cardiac masses. We report a rare case of cardiac involvement by Burkitt lymphoma in a 49-year-old man who presented with a 2-month history of dyspnea and palpitations. A transthoracic echocardiogram revealed 2 intracardiac masses in the right atrium (one of which partially encased the tricuspid valve), myocardial infiltration, and pericardial disease. Results of pleural fluid cytology and flow cytometry confirmed involvement by Burkitt lymphoma. Subsequent chemotherapy markedly reduced the intracardiac tumor burden and resolved the patient's presenting symptoms. Our case highlights the importance of cardiac imaging in diagnosing systemic illness, initiating early and …

Optimizing P2 Neochordal Length And Stability In Mitral Valve Repair With Use Of A Polypropylene Loop, Anil Ozen, Ertekin Utku Unal, Hamdi Mehmet Ozbek, Gorkem Yigit, Hakki Zafer Iscan

The Texas Heart Institute Journal

Determining the optimal length of artificial chordae tendineae and then effectively securing them is a major challenge in mitral valve repair. Our technique for measuring and stabilizing neochordae involves tying a polypropylene suture loop onto the annuloplasty ring. We used this method in 4 patients who had moderate-to-severe mitral regurgitation from degenerative posterior leaflet (P2) prolapse and flail chordae. Results of intraoperative saline tests and postoperative transesophageal echocardiography revealed only mild insufficiency. One month postoperatively, echocardiograms showed trivial regurgitation in all 4 patients. We think that this simple, precise method for adjusting and stabilizing artificial chordae will be advantageous in …

Nanoparticle-Mediated Drug Delivery For The Treatment Of Cardiovascular Diseases, Rajasekharreddy Pala, Vt Anju, Madhu Dyavaiah, Siddhardha Busi, Surya M. Nauli

Pharmacy Faculty Articles and Research

Cardiovascular diseases (CVDs) are one of the foremost causes of high morbidity and mortality globally. Preventive, diagnostic, and treatment measures available for CVDs are not very useful, which demands promising alternative methods. Nanoscience and nanotechnology open a new window in the area of CVDs with an opportunity to achieve effective treatment, better prognosis, and less adverse effects on non-target tissues. The application of nanoparticles and nanocarriers in the area of cardiology has gathered much attention due to the properties such as passive and active targeting to the cardiac tissues, improved target specificity, and sensitivity. It has reported that more than …

Mild Acute Inflammation Does Not Impair Maintenance Of Blood Pressure During A Hypotensive Stimulus, Elizabeth C. Schroeder, Thessa I.M. Hilgenkamp, Wesley K. Lefferts, Bo Fernhall

Physical Therapy Faculty Research

Severe acute inflammation, such as sepsis, disrupts autonomic nervous system function and jeopardizes blood pressure regulation [1]. Acute hypotension under normal conditions stimulates baroreceptors to restore blood pressure by activating the sympathetic nervous system to increase heart rate and vasoconstrict peripheral vasculature. Severe acute experimental inflammation (endotoxin) blunts baroreflex-mediated increases in muscle sympathetic nerve activity during reductions in blood pressure and uncouples baroreflex control of heart rate [2]. Whether mild acute inflammation alters the ability to maintain blood pressure during a hypotensive challenge is less clear.

Cumulative Burden Of Financial Hardship From Medical Bills Across The Spectrum Of Diabetes Mellitus And Atherosclerotic Cardiovascular Disease Among Non-Elderly Adults In The United States, Reed Mszar, Gowtham R. Grandhi, Javier Valero-Elizondo, César Caraballo, Rohan Khera, Nihar Desai, Salim S. Virani, Ron Blankstein, Michael J. Blaha, Khurram Nasir

Office of the Provost

Background: Atherosclerotic cardiovascular disease (ASCVD) has a strong association with diabetes mellitus (DM), accounting for approximately two thirds of deaths in this patient population. Many individuals with ASCVD and DM are vulnerable to financial hardship associated with treatment‐related expenses. Therefore, we examined the burden of financial hardship from medical bills across the spectrum of ASCVD status with and without DM.
Methods and Results: Using data from the National Health Interview Survey from 2013 to 2017, we used logistic regression analysis to examine the association of ASCVD and DM status with financial hardship and an inability to pay medical bills from …

Ethical Analysis Of Scandals In Congenital Heart Surgery Programs, Ian D. Wolfe

Research Days

No abstract provided.

Isolated Polymorphic Ventricular Tachycardia: An Unusual Presentation Of Acute Myocarditis, Natalie S. Shwaish

Research Days

No abstract provided.

Heart Rate Recovery Following Exercise Testing In Pediatric Patients With Acyanotic Repaired Congenital Heart Disease, Natalie S. Shwaish

Research Days

No abstract provided.

Angiopoietin 1 Protects Against Lps-Induced Acute Lung Injury And Alveolar Remodeling In Neonatal Mice, Umar Salimi

Research Days

No abstract provided.

Ml-Medic: A Preliminary Study Of An Interactive Visual Analysis Tool Facilitating Clinical Applications Of Machine Learning For Precision Medicine, Laura Stevens, David Kao, Jennifer Hall, Carsten Görg, Kaitlyn Abdo, Erik Linstead

Engineering Faculty Articles and Research

Accessible interactive tools that integrate machine learning methods with clinical research and reduce the programming experience required are needed to move science forward. Here, we present Machine Learning for Medical Exploration and Data-Inspired Care (ML-MEDIC), a point-and-click, interactive tool with a visual interface for facilitating machine learning and statistical analyses in clinical research. We deployed ML-MEDIC in the American Heart Association (AHA) Precision Medicine Platform to provide secure internet access and facilitate collaboration. ML-MEDIC’s efficacy for facilitating the adoption of machine learning was evaluated through two case studies in collaboration with clinical domain experts. A domain expert review was also …

The Evolving Management Of Aortic Valve Disease: Trends In The Utilization And Cost Of Savr, Tavr, And Medical Therapy, Andrew Goldsweig

Theses & Dissertations

Aortic stenosis (AS) and regurgitation (AR) may be treated with surgical aortic valve replacement (SAVR), transcatheter AVR (TAVR), or medical therapy (MT). Data are lacking regarding usage and cost of SAVR, TAVR, and MT for patients hospitalized with aortic valve disease. From the Nationwide Readmissions Database, we determined utilization and cost trends for SAVR, TAVR, and MT in patients with aortic valve disease admitted 2012-2016 for valve replacement, heart failure, unstable angina, non-ST-elevation myocardial infarction, or syncope. From 2012 through 2016, there was a 48.1% increase in the number of patients hospitalized for aortic valve disease annually. Overall, 19.9%, 6.7%, …

Baseline Health Assessment Of A Rural Delta Community, Sydney Mitchell

Honors Theses

The Lower Mississippi Delta is characterized by poverty, chronic health issues, health disparities, and food insecurity. The rural Delta communities are primarily African American, experiencing disproportionately higher rates of poverty, job loss, and chronic health problems. Historically, chronic health issues have persisted in these areas over time, including obesity, hypertension, and diabetes, which have only seemed to increase in this region. The food environment in this rural region tends to assist in the creation of the largely obesogenic population which, in turn, contributes to the increased prevalence of diabetes and hypertension and a lower quality of life. Many residents in …

The Role Of Central Ace2 And Nrf2 In Sympatho-Excitation: Responses To Central Angiotensin Ii, Anyun Ma

Theses & Dissertations

Sympatho-excitation is a key characteristic in cardiovascular diseases such as chronic heart failure (CHF) and primary Hypertension (HTN). Evidence suggests that increased sympathetic tone is closely related to activation of the Renin-Angiotensin-Aldosterone system (RAAS) in the central nervous system. An underlying mechanism for sympatho-excitation is thought to be oxidative stress resulting from Angiotensin II (AngII) type 1 receptor (AT1R) activation. Over the past several decades, pharmacological targeting of components of the RAAS have been used as standard therapy in CHF and HTN. However, additional therapeutic strategies are necessary to control these diseases. Oxidative stress is regulated, in part, by the …

Lipoprotein Associated Phospholipase A2 In Individuals With Obstructive Sleep Apnea, Kendall G. Clark

Masters Theses, 2020-current

Abstract

Introduction: Lipoprotein-associated Phospholipase A₂ (Lp-PLA₂) is a protein produced by inflammatory cells in circulation and is associated with cardiovascular disease (CVD) risk. Prior research demonstrates that obstructive sleep apnea (OSA) leads to increased inflammation and is also related to CVD. Physical activity is known to reduce inflammation and risk for both CVD and OSA. However, Lp-PLA₂ has yet to be examined in individuals with OSA who do not have any other pre-existing conditions nor has it been associated with chronic physical activity. The purpose of this study was to examine if there is a relationship …

Evaluating The Effects Of Detergent Concentration On The Reendothelialization And Ultrastructure Of Porcine Internal Thoracic Artery Scaffolds, Jesse Bruce Kooistra

Graduate Theses

Cardiovascular disease exerts a consistent force of morbidity and mortality on the global population. This pressure has created a demand for reliable replacement vascular tissues. Current solutions include synthetic grafts and biological transplant options that are associated with a multitude of complications. Therefore, the continued innovation of vascular tissue replacement solutions is warranted. Decellularized vascular tissues have been previously utilized as scaffolds upon which recellularized tissue engineered vascular solutions are constructed. However the interplay between decellularization agent concentration and effective recellularization has not been well documented. Herein we investigate this relationship through a detail oriented research model that both qualifies …

Idiopathic Chylopericardium: A Rare Entity, Seema Jaga, Joseph Namey, Christiano Caldeira, Salah Al-Andary

West Florida Division GME Research Day 2020

• Idiopathic chylopericardiumis a rare entity in which the acculumation of chylousfluid surrounds the pericardial space.
• Herein, we present a case of a 50 year old healthy female patient with no known past medical history that was diagnosed with idiopathic chylopericardiumand was successfully treated using a pleurXcatheter drainage for two and a half weeks and a low fat diet.

Lack Of Osteopontin Induces Systolic And Diastolic Dysfunction In The Heart Following Myocardial Ischemia/Reperfusion Injury, Caytlin James

Undergraduate Honors Theses

Ischemic heart disease is a leading cause of death worldwide. Osteopontin (OPN), a cell-secreted extracellular matrix protein, is suggested to play a cardioprotective role in mouse models of ischemic heart disease. The objective of this study was to examine the role of OPN in modulation of systolic and diastolic functional parameters of the heart following mouse ischemia/reperfusion (I/R) injury. For this, wild-type (WT) and OPN-knockout (KO) mice aged approximately 4 months were subjected to cardiac ischemia for 45 minutes by the ligation of the left anterior descending coronary artery (LAD) followed by reperfusion of LAD by snipping the ligature. Heart …

Evolving De Winter Presentation Of Acute Myocardial Infarction, Caroline Shepherd, Anthony Furiato

West Florida Division GME Research Day 2020

de Winter ECG pattern first detailed in 2008 in a case series Diagnostic criteria

• Tall, prominent, symmetric T waves in the precordial leads
• Upsloping ST segment depression >1mm at the J-point in the precordial leads
• Absence of ST elevation in the precordial leads
• ST segment elevation (0.5mm-1mm) in aVR

Strongly correlated with acute LAD occlusion

Progressive Collateral Stenosis Leading To Symptomatic Chronic Total Occlusion, Farhan Shah, Andrew Maiolo

Capital Division GME Virtual Research Day 2020

Chronic total occlusion is defined as the complete obstruction of a coronary artery, with TIMI 0 or TIMI 1 flow, and an occlusion duration of greater than 3 months. We present a case of symptomatic chronic total occlusion in a functional 79 year old female with no past history of coronary artery disease, previously asymptomatic due to robust collateral circulation.

Sleep Duration And The Effects On Cholesterol Levels In College Students., Jared Collier

Biological Sciences Undergraduate Honors Theses

Cardiovascular disease is a rising issue in the United States causing large death rates along with large medical expenses. College students are potentially at risk of CVD due to a lack of knowledge of their health, including cholesterol level. Sleep is an essential biological function which helps with the body’s repair, recovery, conservation of energy and maintains cardiovascular regulation. The purpose of this study was to see if there is a correlation between sleep duration and cholesterol levels in college students. Twenty-seven student participants were recruited from the Exercise is Medicine cohort . In-person assessments were conducted at the HPER …

Redesign And Quantitative Assessment Of An Accelerated Venous Valve Fatigue Apparatus, Megan Kueh

Biomedical Engineering Undergraduate Honors Theses

Chronic venous insufficiency (CVI) is a form of cardiovascular disease that is caused when valves in the leg become incompetent. Current treatment methods serve to manage symptoms, but there are currently no ways to treat the underlying cause of CVI. A venous valve prosthetic made from a xenograft of a bovine jugular vein is one possible treatment method currently in the research phase. Prosthetic valves must be tested with an accelerated wear tester prior to approval for clinical testing. Although such testers exist for heart valves, physiological differences between heart and venous valves restrict the use those testers on venous …

Modified Stent Design For A Coronary Bifurcation Lesion, Abigail Nowell

Biological Sciences Undergraduate Honors Theses

Currently, 18.2 million adults aged 20 and older are diagnosed with Coronary Artery Disease (CAD) (Benjamin et al., 2019). Stenosis is the most common intervention. However, when a patient has a bifurcated artery, treatment becomes more difficult and is often unsuccessful. This project created a new stent and balloon complex that was tested in vitro using a gel phantom artery model. Two separate prototypes have been created and tested so far, with improvements made upon each. Testing is still underway with Prototype 2.

The Relationship Between Glucose Levels And Physical Activity, Rebecca Eberle

Health, Human Performance and Recreation Undergraduate Honors Theses

Abstract: Background/Introduction: Elevated glucose levels can increase the risk of diseases, such as metabolic syndrome and Type 2 Diabetes. Thus, knowing glucose levels is important to indicate the likelihood of future health complications. Unfortunately, many young adults do not know their glucose levels. Purpose: The purpose of this research study was to complete a cross- sectional study and determine associations between fasting glucose with physical activity, and fitness. I hypothesized more physical activity, and higher fitness, will result in a lower, fasting glucose level. Methodology: This study examined 26 participants aged 18-25. The participants completed an 8-hour fasted glucose measurement, …

Elective Abdominal Aortic Aneurysm Repair Complicated With Chylous Ascites, Zia Ur Rehman

Department of Surgery Docs

No abstract provided.

Volatile Organic Compound Exposure And Cardiometabolic Syndrome Risk In A Nationally Representative Cohort., Stacey Lane Konkle

Electronic Theses and Dissertations

BACKGROUND: The relative importance of environmental exposures such as volatile organic compounds (VOCs) is one of the paramount public health priorities of our time, yet is presently unstudied. VOCs are ubiquitous in the environment and have been associated with numerous adverse health effects, including a number of cardiovascular and metabolic effects that are components of Cardiometabolic Syndrome (CMS). OBJECTIVES: To examine the relationship between CMS and individual-level exposures to VOCs, measured as urinary metabolites of VOCs (UM-VOCs), in a nationally representative sample. METHODS: Associations between urinary biomarkers of exposure to 19 parent VOCs and CMS were assessed using the National …

Tobacco-Derived Aldehydes: Platelet Activation, Thrombosis, And The Role Of Trpa1., Andre Dwayne Richardson

Electronic Theses and Dissertations

Cigarette smoking is the single largest risk factor for cardiovascular disease (CVD) pathophysiology. Numerous researchers have shown potential associations between aldehydes in tobacco-derived aerosols from mainstream cigarette smoke (MCS) or electronic cigarettes (e-cigs) and their cardiotoxicity by damaging blood vessel endothelium. The severity of exposure to these toxicants can furthermore lead to adverse cardiovascular outcomes such as myocardial infarctions, stroke, coronary and peripheral artery disease, or atherosclerosis due to blood clots, a pro-thrombotic event. However, the mechanisms by which levels of harmful and potentially harmful constituents (HPHCs) such as aldehydes induce thrombosis are not well-known. Of specific interest, evidence has …

Evaluation Of Clinical Outcomes Of 4-Factor Prothrombin Complex Concentrate Versus Andexanet Alfa In The Treatment Of Intracerebral Hemorrhage, Eduardo Guizan Corrales, Radhan Gopalani, Heidi Clarke, Jonatha Kline, Felipe De Los Rios La Rosa, Thomas Wolfel

All Publications

Purpose: Oral anticoagulants account for up to 20% of intracerebral hemorrhages (ICH) with one-year mortality estimated as high as 54%. Several studies have examined the use of 4-Factor prothrombin complex concentrate (4F-PCC) and andexanet alfa in the treatment of factor Xa associated ICH. High cost burden, lack of clinical outcomes, and risk of thromboembolic events continues to be a major dilemma behind product selection at many healthcare systems. The purpose of this project is to compare clinical outcomes between 4F-PCC and andexanet alfa in the management of patients with ICH secondary to apixaban and rivaroxaban at Baptist Hospital of Miami …

Tobacco Product-Derived Aldehydes: Effects On Circulating Angiogenic Cells & Implications For Cardiovascular Disease., Jordan B. Lynch

Electronic Theses and Dissertations

Cardiovascular disease (CVD) is the leading cause of death worldwide. Tobacco smoke is the most significant modifiable risk factor in CVD development and contains numerous toxic compounds, including aldehydes, which have been linked to CVD. Formaldehyde, acetaldehyde, acrolein, and crotonaldehyde have been identified as significant contributors to cigarette-induced health effects, but the mechanism of these effects is not well understood. These aldehydes are also found in aerosols produced by e-cigarettes (e-cigs). The goal of this dissertation was to explore the systemic, hematological, and endothelium-related effects of exposure to tobacco products and constituent aldehydes and to identify potential mechanisms of injury. …