Jonathan A. Praeger

Jonathan A. Praeger, MD, serves as a Clinical Assistant Professor of Surgery at the Keck School of Medicine, University of Southern California (USC), practicing at Keck Hospital of USC and USC Norris Cancer Hospital. Board certified in General Surgery and Surgical Critical Care, he specializes in advanced cardiothoracic procedures with exceptional surgical skill and patient-centered care.

Dr. Praeger's research focuses on minimally invasive cardiac interventions, with core interests in:

• Atrial Fibrillation: Developing innovative solutions for heart arrhythmias
• Heart Valve Surgery: Advancing minimally invasive repair techniques
• Aortic Surgery: Addressing complex aortic pathologies
• ECMO Systems: Optimizing mechanical circulatory support protocols
• Cardiac Transplantation: Refining surgical approaches for transplant recipients

His 2011-2025 publications reveal a concentrated research trajectory in mechanical circulatory support systems (particularly Impella devices), innovative heart transplantation techniques, and management of critical cardiac conditions. Key trends include device optimization, comparative institutional practices, and novel surgical approaches for vascular injuries and cardiac trauma.

Dr. Praeger has not been publicly recognized with major scientific awards based on available information.

As an academic surgeon, he mentors surgical trainees at Keck Medicine of USC while maintaining active clinical practice. Specific research grants and formal advisee relationships are not publicly documented.

He operates within USC's integrated Cardiothoracic Surgery division, collaborating with multidisciplinary teams including cardiac anesthesiologists, critical care specialists, and transplant coordinators to deliver comprehensive cardiac care.