OSA is characterized by repetitive partial or complete upper airway collapse duringsleep, resulting in disrupted normal sleep architecture and associated with arterial desaturations. The diagnosis of obstructive sleep apnoea is confirmed by overnight polysomnography (PSG). Sleep MRI is a new emerging non invasive modality in the preoperative evaluation of patients with obstructive sleep apnoea.
It was observed that Muller’s maneuver could depict the airway pathologies accurately at par with the images acquired during slee
