Uploaded November 2025 | Updated September 2026, 1 hour ago
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) is a rare form of high blood pressure that impacts the lungs and heart. It is often underdiagnosed due to symptoms that can be similar to other more common conditions, but if left untreated it can lead to serious effects and heart failure.
Learn more about the condition and the advancements in treatment and care being spearheaded at Canada's only dedicated CTEPH surgery program. Dr. Marc de Perrot, thoracic surgeon and program director of UHN’s Toronto CTEPH Program, and Dr. Laura Donahoe, CTEPH surgeon, share their in-depth insights.
UHN is Canada's Hospital and the world's No. 1 publicly funded hospital. With 10 sites and more than 20,000 members of TeamUHN, UHN consists of Toronto General Hospital, Toronto Western Hospital, Princess Margaret Cancer Centre, Toronto Rehabilitation Institute, The Michener Institute of Education at UHN and West Park Healthcare Centre. As Canada's top research hospital, the scope of research and complexity of cases at UHN have made it a national and international source for discovery, education and patient care.
The information in this video is for informational purposes only. Consult your local medical authority or healthcare practitioner for advice.
The information in this video was accurate as of the upload date: 11/12/2025
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) is a rare form of high blood pressure that impacts the lungs and heart. It is often underdiagnosed due to symptoms that can be similar to other more common conditions, but if left untreated it can lead to serious effects and heart failure.
Learn more about the condition and the advancements in treatment and care being spearheaded at Canada's only dedicated CTEPH surgery program. Dr. Marc de Perrot, thoracic surgeon and program director of UHN’s Toronto CTEPH Program, and Dr. Laura Donahoe, CTEPH surgeon, share their in-depth insights.
UHN is Canada's Hospital and the world's No. 1 publicly funded hospital. With 10 sites and more than 20,000 members of TeamUHN, UHN consists of Toronto General Hospital, Toronto Western Hospital, Princess Margaret Cancer Centre, Toronto Rehabilitation Institute, The Michener Institute of Education at UHN and West Park Healthcare Centre. As Canada's top research hospital, the scope of research and complexity of cases at UHN have made it a national and international source for discovery, education and patient care.
The information in this video is for informational purposes only. Consult your local medical authority or healthcare practitioner for advice.
The information in this video was accurate as of the upload date: 11/12/2025


![UHN | Grateful Patient | James Kanarek
When Mary Connell received the heart-wrenching news that her then-24-year-old son James Kanarek had a rare, cancerous brain tumour, she knew there was only one place to take him – I knew he had to go to Toronto Western [Hospital].” James was diagnosed more than two years ago with chondrosarcoma – a rare, malignant brain tumour of the skull base that typically presents itself in older adults – and has undergone a biopsy and two successful high-risk surgeries at UHN to remove the tumour that was wrapping around his carotid artery, the main highway of blood to the brain. Read the full story: https://bit.ly/3VNb5bf
UHN is Canadas No. 1 hospital and the worlds No. 1 publicly funded hospital. With 10 sites and more than 20,000 members of TeamUHN, UHN consists of Toronto General Hospital, Toronto Western Hospital, Princess Margaret Cancer Centre, Toronto Rehabilitation Institute, The Michener Institute of Education at UHN and West Park Healthcare Centre. As Canadas top research hospital, the scope of research and complexity of cases at UHN have made it a national and international source for discovery, education and patient care. UHN | Grateful Patient | James Kanarek](https://i.ytimg.com/vi/WrtOv7mWi-Y/mqdefault.jpg)







