A history and physical examination, focusing on risk factors for cardiac and pulmonary complications and a determination of the patient’s functional capacity, are essential to any preoperative evaluation. Laboratory investigations should be ordered only when indicated by the patient’s medical status, drug therapy, or the nature of the proposed procedure and not on a routine basis.
Before surgery flexible nasalendoscopy is undertaken to determine the level of obstruction. The surgeon can then examine the upper airway through a narrow flexible endoscope to see where the collapsing is occurring.
CT scan and MRI studies: This is very informative, giving the extend of the site of obstruction of the upper airway.
Sleep Study is mandatory.Polysomnography is a test that records a variety of body functions during sleep, such as the electrical activity of the brain, eye movement, muscle activity, heart rate, respiratory effort, air flow, and blood oxygen levels. These tests are used both to diagnose sleep apnea and to determine its severity.Now i get Home sleep study done in patients home.