Pulmonary vascular disease (PVD) is a broad term including any condition that affects the blood vessels within the lungs. These vessels take blood that is depleted of oxygen to the lungs from the right side of the heart. Deoxygenated blood travels through the pulmonary arteries where oxygen is taken up. The pulmonary veins leave the lungs and take blood rich with oxygen to the left side of the heart where oxygenated blood is distributed throughout the body. This process continually replenishes the blood with oxygen, and lets carbon dioxide be exhaled. A pulmonary vascular disorder can lead to cardiovascular problems as well as impairing the quality of the patient’s life. The Pulmonary Vascular Disease Program—a collaborative venture between the Brigham and Women’s Hospital Lung Center and the Heart & Vascular Center—offers personalized care and coordinated management for all types of PVD, including pulmonary arterial hypertension, right heart failure, and chronic thromboembolic pulmonary hypertension (CTEPH). Our pulmonologists and cardiologists work closely together. This expertise and collaboration helps patients manage symptoms and have an improved quality of life. The research on PVD which is conducted at the Brigham provides greater understanding of these diseases and is translated directly into exceptional patient care.