Reactive airway disease

This study looks at 200 male FDNY rescue workers who were exposed to dust and toxins after the World Trade Center attacks. Many developed acid reflux, which can lead to Barrett's esophagus and even cancer. Researchers will use simple, noninvasive tests like saliva samples and que…

This study tests whether using standard oxygen equipment, guided by the patient's own oxygen and circulation levels, can keep blood pressure and brain oxygen more stable during anesthesia for major spinal surgery. Researchers will monitor 90 adults to see if this physiology-guide…

This study aims to see if a simple, non-invasive breathing test can accurately measure the acidity (pH) in the airways, which is often abnormal in lung diseases. Researchers will compare results from this breath test with standard methods in 150 healthy volunteers and people with…