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Considerable clinical success has been claimed for functional endoscopic sinus surgery but objective assessment of prospective series is lacking in the literature. Twenty-four patients with chronic rhino-sinusitis underwent assessment of symptoms by visual analogue scoring, nasomucociliary function by ciliary beat frequency, olfaction by qualitative olfactometry and nasal airway resistance by anterior rhinomanometry pre- and post-operatively. This demonstrated a significant improvement in all symptoms examined and in ciliary beat frequency. Quantitative olfaction and anterior rhinomanometry were not improved despite diminished symptoms. These results offer quantitative evidence of clinical improvement following functional endoscopic sinus surgery which supports the pathophysiological concepts on which the technique is based.
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Lund et al. (1991) studied this question.
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