Gastroenterology Research, ISSN 1918-2805 print, 1918-2813 online, Open Access
Article copyright, the authors; Journal compilation copyright, Gastroenterol Res and Elmer Press Inc
Journal website http://www.gastrores.org

Original Article

Volume 3, Number 4, August 2010, pages 156-162


Esophageal Contractions After Wet and Dry Swallows in Patients With Esophagitis, Chagas' Disease and Idiopathic Achalasia

Figures

Figure 1.
Figure 1. Area under the curve (AUC) of the proximal and distal esophageal contractions in patients with esophagitis (n = 28), Chagas’ disease (n = 37), idiopathic achalasia (n = 8), and controls (n = 31). (mean and SEM). *p < 0.02 vs dry, +p < 0.01 vs Chagas and achalasia.
Figure 2.
Figure 2. Interval between the upstroke of proximal and distal esophageal contractions in patients with esophagitis (n = 28), Chagas’ disease (n = 37), idiopathic achalasia (n = 8), and controls (n = 31). (mean and SEM). *p < 0.01 vs dry, +p < 0.01 vs Chagas and achalasia, #p < 0.01 vs achalasia.

Tables

Table 1. Amplitude of Esophageal Contraction (mmHg) measured in the Proximal and Distal Esophageal Body After Wet and Dry Swallows
 
ProximalDistal
WetDrypWetDryp
Esophagitis (n = 28), Idiopathic Achalasia (n = 8), Chagas’ Disease (n = 37), and Controls (n = 31).
The results are reported as mean (SD). ap < 0.02 vs esophagitis, Chagas, controls; bp < 0.01 vs esophagitis, controls; cp < 0.01 vs esophagitis, achalasia, controls
Controls95.1 (56.0)78.7 (46.8)0.2288.3 (37.2)45.0 (28.4)< 0.01
Esophagitis85.6 (34.6)75.3 (39.7)0.3090.9 (42.2)44.6 (32.6)< 0.01
Achalasia31.4 (11.0)a32.4 (18.3)a0.9038.9 (16.0)b46.1 (34.0)0.60
Chagas75.4 (49.3)63.8 (40.4)0.2737.2 (34.6)b24.7 (15.4)c0.05

 

Table 2. Duration of Esophageal Contractions (Seconds) Measured in the Proximal and Distal Esophageal Body After Wet and Dry Swallows
 
ProximalDistal
WetDrypWetDryp
Esophagitis (n = 28), Idiopathic Achalasia (n = 8), Chagas’ Disease (n = 37), and Controls (n = 31). The results are reported as mean (SD). ap < 0.05 vs esophagitis, controls.
Controls2.5 (0.7)2.6 (0.9)0.753.9 (0.8)3.3 (0.8)< 0.01
Esophagitis2.8 (0.7)2.8 (0.7)0.303.9 (1.1)3.5 (1.6)0.95
Achalasia3.5 (1.1)a3.5 (1.4)a0.914.1 (1.1)4.1 (1.0)0.27
Chagas3.1 (1.1)a2.9 (0.8)0.303.7 (1.0)3.4 (0.8)0.21