Diagnosis of chest pain with foregut symptoms in Chinese patients

Table 1 Results of esophageal manometric studies, 24-h intra-esophageal pH monitoring and electrocardiograms from Holter monitoring in 77 patients

Diagnosis	Number cases and pain episodes		Cases combined with abnormal gastroesophageal reflux			Cases combined with myocardial ischemia
	Cases	Pain episodes	Cases	Pain episodes	Pain episodes with changes in 24-h pH monitoring	Cases	Pain episodes	Pain episodes with changes in Holter monitoring
Non-specific esophageal motility disorders	39	312	29	235	156	8	61	10
Diffuse spasm of esophagus	5	65	5	65	53	2	25	13
Nutcracker esophagus	1	18	0	18	0	0	0	0
Normal case	16	83	0	0	0	0	0	0
Consolidation of table	61	478	34	366	0	10	86	23

Table 2 Results of esophageal manometric studies and 24-h intra-esophageal pH monitoring

	Cases	LESP	LESRR	Overall length of LES	Abdominal length of LES	Swallow waves	pH monitoring DeMeester scores
Non-specific esophageal motility disorders	39	Reduced in 29 patients (9.32 ± 1.53 mmHg)	Reduced in 28 patients (52.18 ± 20.51%)	Reduced in 21 patients (2.3 ± 0.1 cm)	Reduced in 18 patients (1.2 ± 0.1 cm)	39 patients with simultaneous non- transmitted waves	60.2 ± 12.4
Diffuse spasm of esophagus	5	Normal in 5 patients (18.35 ± 2.92 mmHg)	Reduced in 5 patients (30.50% ± 6.65%)	Normal in 5 patients (3.3 ± 0.3 cm)	Normal in 5 patients (2.0 ± 0.1 cm)	20% or more simultaneous contractions in response to wet swallows appearing in all five patients	80.4 ± 35.5
Nutcracker esophagus	1	12.2 mmHg	64.0%	4.0 cm	2.5 cm	High amplitude contracting wave appearing above 229.7 mmHg