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Table 1 Number of esophageal dilations and occurrence of complications

From: N-acetylcysteine for the prevention of stricture after circumferential endoscopic submucosal dissection of the esophagus: a randomized trial in a porcine model

Animal number Number of dilations Early complication Late complication Other findings
1** 2 - -  
2* 3 - -  
3** 0 Post-endoscopic esophageal perforation, requiring euthanasia   
4* 3 - -  
5** 3 - -  
6* 1 - -  
7** 3 - Mediastinitis on day 22, following the third dilation  
8* 2 - -  
9** 2 Post-endoscopic esophageal perforation, successfully treated -  
10* 2 - -  
11** 2 - - Mediastinal inflammation+ at necropsy
12* 2 - - Mediastinal inflammation+ at necropsy
  1. *Group 1, treated by N-acetylcysteine; **group 2, control group; +periesophageal lymphadenopathies without actual mediastinitis.