The purpose of this study is to detect Bronchiolitis Obliterans Syndrome (BOS) at an early stage. Bronchiolitis Obliterans (BOS) is a form of chronic lung transplant dysfunction that affects many lung transplant recipients and can limit long-term survival. This study aims to increase the success…
This study is for patients who have had a lung transplant and whose doctors believe that their body is rejecting the new lung, resulting in damage to the transplanted lung or lungs. This condition is called Bronchiolitis Obliterans…
The use of electronic cigarettes, also known as e-cigs or vaping, has increased among former smokers and young adults who have never smoked. Relatively little is known, however, about their health effects (whether they are adverse, have no effect, or are beneficial). The purpose of this research study is to evaluate (1) the association of e-cig use with…
The REDUCE LAP-HF I study is being conducted to evaluate the safety and performance of the InterAtrial Shunt Device (IASD) for patients with elevated left atrial pressure who remain symptomatic despite appropriate medical management. Placed by an interventional cardiologist during a standards catheter-based procedure, the IASD system creates a very small…
The purpose of this study is to find out if the mitral valve can be safely replaced using a procedure that issimpler than the open-heart procedure being used today and may be safer for patients who are at ahigher risk from conventional open-heart surgery. The device being studied would be implanted without the need for an open-heart procedure and without…