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

Table 2 Balloon dilatation procedural details n (%)

	Enrolled (n = 31)
Number of procedures per patient, median (range)	1 (1-3)
Type of initial dilatation
Retrograde (brusque pull-back)	24 (77)
Static (sequential distention)	7 (23)
UES dilatation alone	20 (65)
Concurrent dilatation of the UES and other portions of the esophagus	11 (35)
Maximal diameter size, median (range)	20 mm (15-20 mm)
Total Number of complications	1 (3)
Serious complications requiring hospitalization	0

UES: Upper esophageal sphincter.