A5086113128- Cardiac Arrhythmias and Treatments
- Atrial Fibrillation Management and Outcomes
- Cardiac electrophysiology and arrhythmias
- Cardiac pacing and defibrillation studies
- Cardiovascular Syncope and Autonomic Disorders
- ECG Monitoring and Analysis
- Cardiovascular Effects of Exercise
- Heart Rate Variability and Autonomic Control
- Cardiovascular Function and Risk Factors
- Advanced MRI Techniques and Applications
- Ion channel regulation and function
- Heart Failure Treatment and Management
- Blood Pressure and Hypertension Studies
- Cardiac tumors and thrombi
- Cardiac Health and Mental Health
- EEG and Brain-Computer Interfaces
- Medication Adherence and Compliance
- Electrostatic Discharge in Electronics
- Cardiac Imaging and Diagnostics
- Cardiomyopathy and Myosin Studies
- Microbial Inactivation Methods
- Fuel Cells and Related Materials
- Esophageal and GI Pathology
- Venous Thromboembolism Diagnosis and Management
- Sarcoidosis and Beryllium Toxicity Research
University of Illinois Chicago
2013-2024
Medtronic (United States)
2018
Medtronic (Canada)
2018
University of Illinois Urbana-Champaign
1997-2017
University of Chicago Medical Center
2008
Rush University
2007
Resurrection Medical Center
2007
Advocate Illinois Masonic Medical Center
2006
Illinois College
2002
American Pharmacists Association
1998
BACKGROUND The safety and efficacy of selective fast versus slow pathway ablation using radiofrequency energy a transcatheter technique in patients with atrioventricular nodal reentrant tachycardia (AVNRT) were evaluated. METHODS AND RESULTS Forty-nine consecutive symptomatic AVNRT included. There 37 women 12 men (mean age, 43 +/- 20 years). first 16 underwent current applied the anterior/superior aspect tricuspid annulus. remaining 33 initially had their targeted at posterior/inferior right...
The incidence of sustained bundle branch reentrant (BBR) tachycardia as a clinical or induced arrhythmia both continues to be underreported. At our institution, BBR has been the underlying mechanism monomorphic ventricular in approximately 6% patients, whereas mechanisms unrelated were cause rest. Data gathered from 20 consecutive patients showed electrophysiologic characteristics that suggest this possibility. These include induction with typical left right block morphology and...
Background: Outcomes related to chronic heart failure (HF) remain relatively poor, despite advances in pharmacological therapy and medical nursing care.Experts agree that outpatient care may be among the factors affect HF outcomes.We hypothesized method by which is delivered outcomes this patient population.Methods: A prospective, randomized design was used compare from 216 patients 1 of 2 home health delivery methods for 3 months after discharge.Care nurse visit (HNV) or telemanagement...
The efficacy of permanent cardiac pacing in patients with neurocardiogenic (or vasovagal) syncope associated bradycardia or asystole is not clear. We compared the that oral drug therapy prevention hypotension and during head-up tilt testing.Among 70 a history whom could be provoked testing, 22 had (a heart rate < 60 beats per minute, decline by at least 20 minute) along testing. There were 9 men 13 women, mean (+/- SD) age 41 +/- 17 years. Head-up testing was repeated atrioventricular...
To determine the clinical characteristics of subgroups patients with unexplained syncope having electrophysiologic studies and head-up tilt testing to assess efficacy various therapies.Retrospective study.Inpatient services a tertiary referral center.Eighty-six consecutively referred syncope.All had examinations. Patients negative results subsequently testing.Twenty-nine (34%) (group 1) abnormal results, sustained monomorphic ventricular tachycardia induced in 72%. Thirty-four (40%) 2)...
The hemodynamic determinants of the time constant left ventricular (LV) isovolumic pressure (P) decline were studied in 32 anesthetized dogs. constant, tau (an index LV relaxation), was determined from best exponential fit equation P = Poe-t/r, to LVP measured at 5-ms intervals during relaxation; Po maximum negative dP/dt and t time. At a heart rate 120 beats/min, steady-state increases preload (volume expansion), afterload (methoxamine infusion), reductions (nitroprusside variably...
During the generation of radiofrequency (RF) lesions in ventricular myocardium, maintenance adequate electrode‐tissue contact is critically important. In this study, lesion dimensions and temperature impedance changes were evaluated while controlling levels (−5, 0, +1, +3 mm) power (10, 20, 30 W). This data was used to assess ability monitoring provide useful information about quality contact. The results show that as increases, so does amount rise. Witb electrode floating blood (‐5...
Introduction: Creation of radiofrequency lesions to isolate the pulmonary veins (PV) and ablate atrial fibrillation (AF) has been complicated by stenosis PVs. We tested a cryoballoon technology that can create electrical isolation PVs, with hypothesis cryoenergy will not result in PV stenosis. Methods Results: Lesions were created 9 dogs (weight 31–37 kg). Cryoenergy was applied PV‐left (LA) interface. Data collected before after ablation included orifice size, arrhythmia inducibility,...
Mapping algorithms have thus far been unable to localize triggers that serve as drivers of AF, but electrographic flow (EGF) mapping provides an innovative method estimating and visualizing in vivo, near real-time cardiac wavefront propagation.One-minute unipolar EGMs were recorded the right atrium (RA) from a 64-electrode basket catheter generate EGF maps during atrial rhythms increasing complexity. They obtained 3 normal, animals sinus rhythm (SR) 6 which persistent AF was induced by rapid...
Hypertension is disproportionately prevalent among African Americans compared with other ethnic groups. Furthermore, research demonstrating effective management strategies for this group limited. The objectives of study were to determine: (1) compliance home blood pressure monitoring hypertensive Americans, and (2) the effectiveness telemanagement in control within 1-3 months. Participants used a transtelephonic monitor that transmitted their daily via existing telephone lines university...
Multiple defibrillations by the automatic implantable cardioverter/defibrillator (AICD) have been reported to result in localized epicardial damage. No data exist, however, regarding whether this damage can be detected clinical setting or it interferes with detection of true myocardial infarction. Forty-nine patients who received patch electrodes were studied prospectively. We attempted document presence injury following three commonly used modalities for infarction: serial...