Barium swallow study in routine clinical practice: a prospective study in patients with chronic cough.

Objective: To assess the routine use of barium swallow study in patients with chronic cough.

Methods: Between October of 2011 and March of 2012, 95 consecutive patients submitted to chest X-ray due to chronic cough (duration > 8 weeks) were included in the study. For study purposes, additional images were obtained immediately after the oral administration of 5 mL of a 5% barium sulfate suspension.