Affiliation: Northwestern University
- Quantitative assessment of regional left ventricular function with cardiac MRI: three-dimensional centersurface methodNirat Beohar
Bluhm Cardiovascular Institute, Northwestern Memorial Hospital, Northwestern University, Chicago, Illinois 60611, USA
Catheter Cardiovasc Interv 69:721-8. 2007..The purpose of this study was to provide the first in vivo validation of a three-dimensional (3D) method to quantify regional left ventricular (LV) function with cardiac magnetic resonance (CMR) imaging after myocardial infarction (MI)...
- Acute heart failure syndromes and coronary perfusionNirat Beohar
Bluhm Cardiovascular Institute, Feinberg School of Medicine, Northwestern Memorial Hospital, Chicago, Illinois 60611, USA
J Am Coll Cardiol 52:13-6. 2008..Newer techniques now available to evaluate coronary perfusion should provide guidance for the evaluation of existing and future vasoactive therapies for AHFS...
- The impact of race/ethnicity on baseline characteristics and the burden of coronary atherosclerosis in the Bypass Angioplasty Revascularization Investigation 2 Diabetes trialNirat Beohar
Northwestern University School of Medicine, Chicago, IL, USA
Am Heart J 161:755-63. 2011..We aimed to test the impact of race/ethnicity on coronary artery disease (CAD) after adjusting for baseline risk factors...
- Antirestenotic effects of a locally delivered caspase inhibitor in a balloon injury modelNirat Beohar
Feinberg School of Medicine of Northwestern University, Department of Medicine, Division of Cardiology, 251 E Huron St, Feinberg Pavilion 8 526, Chicago, Ill 60611, USA
Circulation 109:108-13. 2004..The purpose of this study was to determine if a link exists between angioplasty-mediated medial smooth muscle cell apoptosis and subsequent neointimal hyperplasia...
- Outcomes and complications associated with off-label and untested use of drug-eluting stentsNirat Beohar
Northwestern University Feinberg School of Medicine, Chicago, Ill, USA
JAMA 297:1992-2000. 2007..Limited data exist regarding use of drug-eluting stents outside of approved indications in real-world settings...
- Off-label use of drug-eluting versus bare metal stents: a lesion-specific systematic review of long-term outcomesNirat Beohar
Division of Cardiology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
J Interv Cardiol 23:528-45. 2010..The purpose of this systematic review was to evaluate differences in lesion-specific outcomes with the "off-label" use of drug-eluting stents (DES) versus bare metal stents (BMS)...
- Granulocyte-colony stimulating factor administration after myocardial infarction in a porcine ischemia-reperfusion model: functional and pathological effects of dose timingNirat Beohar
Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
Catheter Cardiovasc Interv 69:257-66. 2007..The use of growth factors may prevent this. The aim of this study was to assess early and delayed administration of granulocyte colony-stimulating factor (G-CSF) in a porcine model of myocardial infarction (MI) and reperfusion...
- Drug-eluting versus bare-metal stents in unprotected left main coronary artery stenosis a meta-analysisSanjay B Pandya
Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
JACC Cardiovasc Interv 3:602-11. 2010..We undertook a meta-analysis to assess outcomes for drug-eluting stents (DES) and bare-metal stents (BMS) in percutaneous coronary intervention for unprotected left main coronary artery (ULMCA) stenosis...
- Clinical experience and patient outcomes associated with the TandemHeart percutaneous transseptal assist device among a heterogeneous patient populationMichael W Tempelhof
Division of Cardiology, Northwestern University, Feinberg School of Medicine, Bluhm Cardiovascular Institute at Northwestern Memorial Hospital, Chicago, Illinois, USA
ASAIO J 57:254-61. 2011..The favorable hemodynamic profile, postimplantation survival rates, and manageable complications support its use to assist hemodynamic recovery in patients refractory to conventional therapy...
- Three-dimensional breathhold magnetization-prepared TrueFISP: a pilot study for magnetic resonance imaging of the coronary artery diseaseRichard M McCarthy
Department of Radiology, Northwestern University, Chicago, Illinois 60611, USA
Invest Radiol 42:665-70. 2007....
- Detection of stent fractures: a comparison of 64-slice CT, conventional cine-angiography, and intravascular ultrasonographyJohn H Pang
Division of Cardiology, Feinberg School of Medicine, Northwestern University, 676 N Saint Clair, Suite 800, Chicago, IL 60611, USA
Acad Radiol 16:412-7. 2009..Coronary stent fracture has been implicated as one of the mechanisms of stent thrombosis and, perhaps, in-stent restenosis. However, the preferred imaging modality in detecting fractures in coronary stents has not been well established...
- Quantitative assessment of in-stent dimensions: a comparison of 64 and 16 detector multislice computed tomography to intravascular ultrasoundNirat Beohar
Division of Cardiology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
Catheter Cardiovasc Interv 68:8-10. 2006..To determine the utility of multislice computed tomography (MSCT) technology to evaluate coronary stent luminal diameter...
- Off-resonance positive contrast imaging of a passive endomyocardial catheter in swineRohan Dharmakumar
Department of Radiology, Northwestern University, 737 N Michigan Ave, Suite 1616, Chicago, IL 60611, USA
Phys Med Biol 53:N249-57. 2008..9 in LV myocardium). The findings show that off-resonance imaging with the FLAPS method may be used for passive device visualization with positive contrast. Further studies are necessary prior to clinical translation...
- Troponin I elevation and cardiac events after percutaneous coronary interventionMark J Ricciardi
Division of Cardiology, Northwestern Memorial Hospital and Northwestern University Medical School, Chicago, Ill 60611, USA
Am Heart J 145:522-8. 2003..In addition, this study demonstrates that a 3-fold elevation of Tn-I after successful elective PCI is predictive of future cardiac events, especially the need for early repeat revascularization...
- Late stent fractures after endoluminal treatment of ostial supraaortic trunk arterial occlusive lesionsAsad A Usman
Division of Vascular Surgery, Northwestern University Feinberg School of Medicine, 676 North St Clair, Suite 650, Chicago, IL 60611, USA
J Vasc Interv Radiol 21:1364-9. 2010..Although early results have been encouraging, late outcomes have yet to be defined. Reported are long-term outcomes of supraaortic trunk stent placement with particular attention to structural failures...
- A comparison of arterial closure devices to manual compression in liver transplantation candidates undergoing coronary angiographyLee A MacDonald
Northwestern Memorial Hospital, Chicago, IL 60611, USA
J Invasive Cardiol 15:68-70. 2003..2 1.8 hours versus 6.6 3.7 hours, respectively; p = 0.0003). In coagulopathic patients at higher risk for groin complications, arterial closure devices can be safely used and decrease time to ambulation compared to manual compression...
- Improvement in heart rate recovery after cardiac rehabilitationSusan Tiukinhoy
Northwestern University, Chicago, Ill 60611, USA
J Cardiopulm Rehabil 23:84-7. 2003..This study aimed to evaluate the effect of exercise-based cardiac rehabilitation on HRR...
- Coronary magnetic resonance angiography using magnetization-prepared contrast-enhanced breath-hold volume-targeted imaging (MPCE-VCATS)Carina W Yang
Radiology, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, USA
Invest Radiol 41:639-44. 2006....
- Contemporary perioperative results of isolated aortic valve replacement for aortic stenosisS Chris Malaisrie
Division of Cardiothoracic Surgery, Northwestern University, Feinberg School of Medicine, Bluhm Cardiovascular Institute at Northwestern Memorial Hospital, Chicago, Illinois, USA
Ann Thorac Surg 89:751-6. 2010..We analyzed our contemporary series of isolated aortic valve replacement (AVR) for AS to determine implications for patients referred for AVR...
- Rebuilding the damaged heart: the potential of cytokines and growth factors in the treatment of ischemic heart diseaseNirat Beohar
Northwestern University, Chicago, IL, USA
J Am Coll Cardiol 56:1287-97. 2010..Nevertheless, the list of promising cytokines continues to grow, and combinations of cytokines, with or without concurrent progenitor cell therapy, warrant further investigation...
- Clinical applications of blood-derived and marrow-derived stem cells for nonmalignant diseasesRichard K Burt
Division of Immunotherapy, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, USA
JAMA 299:925-36. 2008..In contrast, clinical indications for blood-derived (from peripheral or umbilical cord blood) and bone marrow-derived stem cells, which can be easily and safely harvested, are rapidly increasing...