Table 1.

Baseline characteristics of enrolled patients, results of the intra-operative evaluation of OGJ during POEM, and clinical outcomes at follow-up, including also GORD and LOS pressure

Number of patients enrolled (successfully treated)	23 (21)
Mean age (years)	51.7
Males	12
Basal LOS pressure (mean ± SD)	42.1 mmHg ± 17.6
4sIRP (mean ± SD)	28.5 mmHg ± 15.5
Eckardt score (median [range])	8 (5–12)
Pre-operative OGJ diameter [mean (±SD)] (using a balloon inflated with 30 ml of saline solution)	6.3 mm ± 1.8
Post-operative OGJ diameter	11.3 mm ± 1.7
Pre-operative OGJ cross-sectional area [mean (±SD)] (using a balloon inflated with 30 ml of saline solution)	32.9 mm2 ± 23.1
Post-operative OGJ cross-sectional area	102.38 mm2 ± 28.2
Mean follow-up (range)	5 months (3–6 months)
Post-operative basal LOS pressure (mean ± SD)	23.5 mmHg ± 11
Post-operative 4sIRP (mean + SD)	10.3 mmHg ± 4.2
Post-operative Eckardt score (median [range])	1.0 (0–3)
GORD at oesophageal pH monitoring (n/%)	12 (57.1%)
Reflux oesophagitis (n/%)	7 (33.3%)
GORD symptoms (heartburn) (n/%)	3 (14.3%)