Research Article

Acupuncture Improved the Function of the Lower Esophageal Sphincter and Esophageal Motility in Chinese Patients with Refractory Gastroesophageal Reflux Disease Symptoms: A Randomized Trial

Table 2

Changes of esophageal motility after intervention between the acupuncture group and the control group.

Acupuncture group ()Control group ()
BeforeAfter-valueBeforeAfter-value

LES length (cm)≤0.01*0.109
Intra-abdominal LES length (cm)0.002*0.202
LESP (mmHg)0.014*0.393
IRP (mmHg)0.1140.412
DCI (mmHg cm s)1001.00 (531.35, 2342.10)1223.70 (581.65, 2827.10)≤0.01*762.40 (541.70, 1280.40)1198.70 (678.30, 1592.30)0.002*
IBP (mmHg)0.3220.051
DL (s)6.70 (5.90, 7.55)6.40 (6.10, 7.85)0.1297.10 (6.10, 7.85)6.88 (5.90, 7.55)0.324
UESP (mmHg)0.013*≤0.01*
UES relaxation pressure (mmHg)0.9860.577

*p < 0.05. LES: lower esophageal sphincter; LESP: lower esophageal sphincter pressure; IRP: integrated relaxation pressure; DCI: distal contractile integral; IBP: intrabolus pressure; DL: distal latency; UES: upper esophageal sphincter; UESP: upper esophageal sphincter pressure.