Three strategies for displaying the postcricoid space and pyriform sinus: a matched case‐controlled study of 50 patients

Abstract

The postcricoid space and pyriform sinus are difficult to completely display under routine laryngoscopy examination.

We present the results obtained from 50 patients who were randomly recruited to receive a laryngoscopy examination via a routine, Valsalva manoeuvre combined with anterior cervical skin traction (V‐ACST), followed by a Valsalva manoeuvre combined with the modified Killian method (V‐MK).

The routine method is not suitable for displaying the postcricoid space.

In general, both the V‐ACST and V‐MK displayed the postcricoid space and pyriform sinus very well.

The V‐ACST displayed significantly more of the postcricoid space, whilst the V‐MK was clear better at exposing the pyriform sinus.

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