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Articles 1 - 3 of 3
Full-Text Articles in Cardiology
We Can Do It Together: Par1/Par2 Heterodimer Signaling In Vsmcs., Rafal Pawlinski, Michael Holinstat
We Can Do It Together: Par1/Par2 Heterodimer Signaling In Vsmcs., Rafal Pawlinski, Michael Holinstat
Department of Medicine Faculty Papers
In this issue, Sevigny and colleagues demonstrate that a protease-activated receptor 1 (PAR1)-PAR2 heterodimer regulates vascular smooth muscle cell (VSMC) hyperplasia following vascular injury 1. PARs belong to a family of G-protein coupled receptors that are proteolytically activated by a variety of proteases 2, 3. Cleavage of PARs results in intracellular signaling mediated by activation of various G proteins including G12/13, Gq, and Gi 2, 4-6. The PAR family consists of 4 members, PAR1-PAR4, with PARs 1, 3, and 4 being primarily activated by thrombin, while PAR2 is activated by trypsin and …
16-Year Trends In The Infection Burden For Pacemakers And Implantable Cardioverter-Defibrillators In The United States 1993 To 2008., Arnold J Greenspon, Jasmine D Patel, Edmund Lau, Jorge A Ochoa, Daniel R Frisch, Reginald T Ho, Behzad B Pavri, Steven M Kurtz
16-Year Trends In The Infection Burden For Pacemakers And Implantable Cardioverter-Defibrillators In The United States 1993 To 2008., Arnold J Greenspon, Jasmine D Patel, Edmund Lau, Jorge A Ochoa, Daniel R Frisch, Reginald T Ho, Behzad B Pavri, Steven M Kurtz
Department of Medicine Faculty Papers
OBJECTIVES: We analyzed the infection burden associated with the implantation of cardiac implantable electrophysiological devices (CIEDs) in the United States for the years 1993 to 2008.
BACKGROUND: Recent data suggest that the rate of infection following CIED implantation may be increasing.
METHODS: The Nationwide Inpatient Sample (NIS) discharge records were queried between 1993 and 2008 using the 9th Revision of the International Classification of Diseases (ICD-9-CM). CIED infection was defined as either: 1) ICD-9 code for device-related infection (996.61) and any CIED procedure or removal code; or 2) CIED procedure code along with systemic infection. Patient health profile was evaluated …
Role Of Antiarrhythmic Drugs: Frequent Implantable Cardioverter-Defibrillator Shocks, Risk Of Proarrhythmia, And New Drug Therapy., Christopher Droogan, Chinmay Patel, Gan-Xin Yan, Peter R Kowey
Role Of Antiarrhythmic Drugs: Frequent Implantable Cardioverter-Defibrillator Shocks, Risk Of Proarrhythmia, And New Drug Therapy., Christopher Droogan, Chinmay Patel, Gan-Xin Yan, Peter R Kowey
Department of Medicine Faculty Papers
The implantable cardioverter-defibrillator (ICD) is the standard of care in patients with ischemic and nonischemic cardiomyopathy who are at high risk for arrhythmic events and sudden cardiac death. Although an ICD saves life, ICD shocks are emotionally and physically debilitating. Most patients receive adjuvant antiarrhythmic drug therapy to circumvent episodes of recurrent ventricular and supraventricular arrhythmias. Antiarrhythmic drugs including β-blockers, sotalol, amiodarone, and azimilide are effective at reducing the shock burden. This article describes data supporting the need for and potential risks and benefits of adjuvant antiarrhythmic drug therapy and examines the benefits and pitfalls of the same in ICD-implanted …