Coronary Artery Disease

Coronary Artery Disease (CAD) happens when the arteries that send blood to the heart muscle harden and narrow.  CAD is the most common type of heart disease in the United States.

Programs + Services


Interventional Cardiology Center

Explore our Interventional Cardiology Center that offers surgical and non-surgical procedures for treating serious heart disorders. Request an appointment today.
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Women's Heart Center

The Women’s Heart Health Center offers the best possible care for women who have or are at risk for cardiovascular disease. Request an appointment with a specialist today.
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Doctors + Care Team

Andrew R. Weintraub, MD

Andrew R. Weintraub, MD

Accepting New Patients

Title(s): Associate Director, Interventional Cardiology and Vascular Center; Medical Director, Valvular and Structural Heart Health Center; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, CardioVascular Center, Cardiology
Appt. Phone: 617-636-6140
Fax #: 617-636-2276

Interventional cardiology, vascular medicine, peripheral vascular intervention

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Ayan R. Patel, MD

Ayan R. Patel, MD

Accepting New Patients

Title(s): Director, Cardiovascular Imaging and Hemodynamic Laboratory; Director, Women's Heart Center; Professor, Tufts University School of Medicine
Department(s): Medicine, CardioVascular Center, Cardiology
Appt. Phone: 617-636-2273
Fax #: 617-636-8070

Echocardiography, heart failure, women's heart disease, cardiac amyloidosis

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Carey D. Kimmelstiel, MD

Carey D. Kimmelstiel, MD

Accepting New Patients

Title(s): Director, Interventional Cardiology Center; Professor, Tufts University School of Medicine
Department(s): Medicine, CardioVascular Center, Cardiology
Appt. Phone: 617-636-2273
Fax #: 617-636-5913

Interventional cardiology

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Laurence A. Conway, MD

Laurence A. Conway, MD

Accepting New Patients

Title(s): Cardiologist; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, CardioVascular Center, Cardiology
Appt. Phone: 617-636-8252
Fax #: 617-636-5039

Interventional cardiology

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Mohamad El-Zaru, MD

Mohamad El-Zaru, MD

Accepting New Patients

Title(s): Staff Cardiologist, Interventional Cardiology Center; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, CardioVascular Center, Cardiology
Appt. Phone: 617-636-8252
Fax #: 617-636-5039

Cardiovascular disease

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Navin K. Kapur, MD, FAHA, FACC, FSCAI

Navin K. Kapur, MD, FAHA, FACC, FSCAI

Accepting New Patients

Title(s): Executive Director, The CardioVascular Center for Research and Innovation (CVCRI); Director, Acute Mechanical Circulatory Support Program; Director, Interventional Research Laboratories; Director of Cardiac Biology Research Center, Molecular Cardiology Research Institute (MCRI); Associate Professor, Tufts University School of Medicine
Department(s): Medicine, CardioVascular Center, Cardiology
Appt. Phone: 617-636-8252
Fax #: 617-636-5913

Interventional cardiology, advanced heart failure, mechanical circulatory support

View Full Profile for Navin K. Kapur, MD, FAHA, FACC, FSCAI

Research + Clinical Trials


HeartMate PHP™ Coronary Interventions in High-Risk Patients Using a Novel Percutaneous Left Ventricular Support Device (SHIELD II)

Prospective, randomized, multi-center, open-label trial of the HeartMate PHP at up to 60 sites in the US. Control device will be the Abiomed Impella® Recover® LP 2.5 Percutaneous Cardiac Support System.

Additionally, the study will include a nonrandomized roll-in phase at each site. Each site must first enroll and treat up to 3 patients in the nonrandomized roll-in phase before entering the randomized phase.

Assess the safety and efficacy of the HeartMate PHP in supporting patients with severe symptomatic coronary artery disease with diminished but stable cardiovascular function, who are undergoing elective or urgent high risk percutaneous coronary interventions (PCI) but are not candidates for coronary artery bypass graft (CABG) surgery.

Proposed Indications The HeartMate PHP System is a temporary (<6 hours) ventricular assist device indicated for use during high risk percutaneous coronary interventions (PCI) performed in elective or urgent,

hemodynamically stable patients with severe coronary artery disease and depressed left ventricular ejection fraction.  Nonrandomized Roll-In Phase: Up to 180 patients undergoing PCI per the Inclusion/Exclusion criteria; up to 3 roll-in patients per site.

Randomized Phase: Up to 425 patients undergoing PCI per the Inclusion/Exclusion criteria.

Data will be collected at baseline, during the PCI procedure, postprocedure, discharge, and 90 days post device removal.

All patients will have a follow-up visit at 90 days post-device removal.


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