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Table 4 Ulcer formation and patient, disease and procedural characteristics

From: Limiting esophageal temperature in radiofrequency ablation of left atrial tachyarrhythmias results in low incidence of thermal esophageal lesions

 

Ulcer

No ulcer

p

Number of patients (%)

3 (1.6%)

181 (98.4%)

 

Male (n)

2

138

0,56*

Age (years)

59 ± 1.4

58.1 ± 12

0,54*

Paroxysmal atrial fibrillation (n)

3

127

0,52*

Persistent atrial fibrillation (n)

0

43

 

Macro-reentrant tachycardia (n)

0

12

 

Index procedure (n)

3

120

0,29*

Redo procedure (n)

0

81

 

Mean maximal esophageal temperature (°C)

41.6 ± 1.5

40.8 ± 1.8

0.42*

Ostial course of the esophagus (n)

2

123

0.69*

Non ostial course of the esophagus (n)

1

58

 
  1. * not significant