If you have asthma, you may experience one or more of the following symptoms: Wheezing - A whistling sound heard when breathing in or out. Coughing - A cough that may not go away and often occurs or worsens at night or early morning. Chest Tightness - Feeling as if something is squeezing or sitting on your chest.
A mediastinoscopy may be performed on an outpatient basis or as part of your stay in a hospital. The procedure will be performed while you are asleep under general anesthesia. Procedures may vary depending on your condition and your doctorâs practices.
The Ross procedure (or pulmonary autograft) is a cardiac surgery operation where a diseased aortic valve is replaced with the patient's own pulmonary valve. A pulmonary allograft (valve taken from a cadaver) is then used to replace the person's own pulmonary valve. The Ross procedure (or pulmonary autograft) is a cardiac surgery operation where a diseased aortic valve is replaced with the patient's own pulmonary valve.