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 https://www.gastrores.org

Original Article

Volume 14, Number 5, October 2021, pages 290-295

Cross-Sectional Study of Swallowing Phases in Cases of Megaesophagus Caused by Chagas Disease

Tables

Table 1. Results of the Videofluoroscopic Evaluation of the Oral Phase of Swallowing in Patients With Chagas Disease (n = 29)
 
NumberPercentage
Prolonged oral transit27%
Change in labial function1655%
Tongue dysfunction27%
Oral residue2897%
Poorly organized bolus724%
Ineffective ejection2172%
Premature posterior spillage1034%

 

Table 2. Results of the Videofluoroscopic Evaluation of the Pharyngeal Phase of Swallowing in Patients With Chagas Disease (n = 29)
 
NumberPercentage
Residues in the vallecula2379%
Residues in the pharynx2379%
Residues in pyriform sinuses1241%
Laryngeal penetration828%

 

Table 3. Results of the Videofluoroscopic Evaluation of the Esophageal Phase of Swallowing in Patients With Chagas Disease (n = 29)
 
NumberPercentage
Residues in upper sphincter2172%
Esophageal-pharyngeal reflux310%
Abnormal esophageal motility2172%
Long esophageal clearance2483%

 

Table 4. OTT and PTT (in Seconds) of 10 mL of Liquid and Thickened Boluses in Patients With Chagas Disease Without an Increase in Distal Esophageal Diameter (n = 12) and With an Increase in Distal Esophageal Diameter (n = 17)
 
Without increaseWith increaseP
Results in median and interquartile values. OTT: oral transit time; PTT: pharyngeal transit time.
OTT
  Liquid0.51 (0.32 - 0.63)0.68 (0.45 - 0.90)0.08
  Thickened0.70 (0.50 - 1.38)0.84 (0.57 - 1.43)0.53
PTT
  Liquid0.24 (0.17 - 0.37)0.33 (0.26 - 0.40)0.24
  Thickened0.24 (0.20 - 0.45)0.30 (0.23 - 0.60)0.32

 

Table 5. Scale of Residues in the Vallecula, Pharynx, and/or Pyriform Sinuses in Patients With Chagas Disease Without an Increase in Distal Esophageal Diameter (n = 12) and Patients With an Increase in Distal Esophageal Diameter (n = 17) After Swallowing 10 mL of Liquid and Thickened Boluses
 
ScaleWithout increaseWith increaseP
NumberPercentageNumberPercentage
Liquid0.05
  0650%212%
  1542%1482%
  218%16%
Thickened0.12
  0758%423%
  1542%1271%
  200%16%