“We are thrilled to welcome Dr. Kühn as our new chief of pediatric cardiology,” said Dr. Sallie Permar, chair of the Department of Pediatrics at Weill Cornell Medicine and pediatrician-in-chief at NewYork-Presbyterian Komansky Children’s Hospital. “As an internationally recognized physician-scientist, Dr. Kühn is an excellent choice to lead our renowned pediatric cardiology program as we continue to enhance our multidisciplinary research approach, train the next generation of specialists in this field, and offer the best, most innovative care for children.”
“A driving factor for coming to Weill Cornell Medicine and NewYork-Presbyterian is that this division, and the department as a whole, has a wonderful culture of collaborative professionalism and innovation while striving for excellence in patient care,” Dr. Kühn said.

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A pioneer in the unique workings of heart muscle cells, or cardiomyocytes, Dr. Kühn has focused his work on the study of heart regeneration. “In pediatric cardiology and congenital heart disease, we have achieved so much in the past 60 years. The question now is not will a baby live, because in an overwhelming percentage of cases, the answer is yes. It’s: ‘How can we enable our patients to live a long, healthy life?’” he said.
Dr. Kühn’s research has shown that infants with certain types of congenital heart disease have fewer heart muscle cells. While regenerating heart muscle has not been achieved in adults, evidence suggests that the barrier to regenerate heart muscle in infants is lower.
“The only definitive way to give back heart muscle is heart transplantation, which can have inherent lifespan-limiting complications,” he said. “Our research is directed at understanding the mechanisms that restrict regeneration of an appropriate number of heart muscle cells. When we understand the barriers, we can treat patients to make heart muscle cells, so they are better equipped to lead a meaningful life.”
About Dr. Bernard Kühn
Dr. Kühn received his medical degree from Freie Universitat Berlin and completed a residency at Yale New Haven Hospital, followed by a clinical fellowship and post-doctoral research fellowship at Boston Children’s Hospital and Harvard Medical School. Board-certified in pediatric cardiology, Dr. Kühn is a member of the American College of Cardiology, the American Association for the Advancement of Science, the American Heart Association and the American Society for Clinical Investigation.
He is the recipient of several awards and grants, including a Young Investigator Award from the American College of Cardiology, the Basil O’Connor Starter Award from the March of Dimes Birth Defects Foundation and a Scientist Development Grant from the American Heart Association.