Clinical Study

Effect of Esophageal Endoscopic Submucosal Dissection on Motility and Symptoms: A Prospective Study

Table 3

High-resolution manometry data.

All patientsGroup AGroup B
Before ESD (mean ± SD)After ESD (mean ± SD) valueBefore ESD (mean ± SD)After ESD (mean ± SD) valueBefore ESD (mean ± SD)After ESD (mean ± SD) value

DCI (mmHg·cm·s)1978 ± 13852318 ± 14300.072333 ± 14572465 ± 13230.571462 ± 11442104 ± 16150.04
CFV (cm/s)4.8 ± 2.14.1 ± 1.60.264.6 ± 1.94.7 ± 2.10.925.3 ± 2.53.6 ± 0.50.08
IBP (mmHg)6.0 ± 6.56.3 ± 7.50.827.2 ± 6.58.4 ± 7.60.484.8 ± 6.74.0 ± 6.90.65
IRP (mmHg)10.1 ± 6.910.6 ± 7.00.7212.4 ± 7.310.9 ± 6.60.417.5 ± 5.610.3 ± 7.70.22
DL (sec)6.9 ± 1.47.3 ± 0.80.167.0 ± 1.07.1 ± 0.80.796.7 ± 1.97.6 ± 0.80.14
PB (cm)2.0 ± 1.32.0 ± 1.10.921.6 ± 0.81.8 ± 0.80.122.6 ± 1.52.3 ± 1.30.19

ESD: endoscopic submucosal dissection, DCI: distal contractile integral, CFV: contractile front velocity, IBP: intrabolus pressure, IRP: integrated relaxation pressure, DL: distal latency, PB: peristaltic breaks, group A: patients with circumferential resection of less than 2/3, group B: patients with circumferential resection of 2/3 or greater.