ABSTRACT

Since Croft and Pringle (5) described their technique of sleep nasendoscopy (5), reception has been mixed. Criticism was generated by the disappointing results of

Figure 5 Muller maneuver and sleep breathing discrepancy. (a) Muller maneuver showing side-to-side collapse of the lateral pharyngeal wall over the base of the tongue. (b) VSE observation of oblique pharyngeal wall collapse against the base of the tongue.