Endoscopic balloon catheter dilatation via retrograde or static technique is safe and effective for cricopharyngeal dysfunction

Table 1 Patient demographics n (%)

Patients undergoing UES dilatation	n = 31
Age, yr, median (range)	63 (27-81)
Sex
Male	17 (55)
Female	14 (45)
Indications
Radiographic CP hypertrophy with dysphagia	22 (71)
Endoscopic UES tightness with dysphagia	3 (10)
Inclusion body myositis with dysphagia and prominent cricopharyngeus	3 (10)
Globus sensation with evidence of UES dysfunction	2 (6)
Obstruction to echocardiography probe with CP bar, but otherwise asymptomatic	1 (3)
Presence of oropharyngeal dysfunction	16 (52)
Presence of Zenker’s diverticulum	7 (23)

UES: Upper esophageal sphincter; CP: Cricopharyngeal.