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Table 1 Clinical characteristics of the 51 patients before and 1 day after transcatheter closure of an atrial septal defect (ASD) or patent foramen ovale (PFO). The three patients who only underwent diagnostic balloon sizing of the defect are included in the ASD group. Differences in age, BSA, degree of TnT elevation, the procedural duration, defect size and device size between the subjects who underwent transcatheter ASD and PFO closure were evaluated with the Mann–Whitney U-test. Chi-squared analysis was used to examine the distribution of the cardiovascular risk factors and sex across the groups

From: A retrospective study: elevation of cardiac troponin T after transcatheter closure of the interatrial septum is related to device size and procedural duration

  ASD PFO p-value
Number of patients, n (%) 36 (71) 15 (29)  
Age, years (mean/range) 52 / 22–80 52 / 17–74 ns
Female, n (%) 29 (81) 6 (40) 0.004
BSA (m2) 1.86 ± 0.21 1.97 ± 0.22 ns
Cardiovascular risk factors (%)
 Hypertension 33 33 ns
 Smoking 6 7 ns
 Dyslipidemia 3 7 ns
 Impaired renal function 0 0 ns
Procedural data
 Device size: ASD waist/PFO disc (mean ± SD, mm) 22.8 ± 5.4 24.9 ± 3.9 ns
 Defect size: stretched diameter (mean ± SD, mm) 22.8 ± 6.2 11.9 ± 3.2 0.000
 Procedural duration (mean ± SD, min) 58.9 ± 11.5 48.1 ± 11.7 0.006
Biochemical results
 TnT increase ≥5 ng/, n (%) 32 (89) 15 (100) ns
 TnT increase (mean ± SD, ng/L) 18 ± 23 13 ± 10 ns
  1. ns not significant