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Table 1 Characteristics for all iCMR subjects

From: Invasive cardiovascular magnetic resonance (iCMR) for diagnostic right and left heart catheterization using an MR-conditional guidewire and passive visualization in congenital heart disease

MRI-Conditional Guidewire Patients (n = 34)

Demographic data

  Sex (%) - 74% male (n = 25)

  Age - 7.7 years (range: 3 months - 33 years)

  Weight (kg) - 25.2 (range: 8–80)

  Single Ventricle (%) - 62%

Single Ventricle, n = 21

  Post-Fontan = (9/21) = 43%

  Pre-Fontan = (11/21) = 52%

  Pre-Glenn = (1/21) = 5%

Biventricular,n = 13

  Coarctation of the Aorta = (4/13) = 31%

  Vasoreactivity testing = (3/13) = 23%

  Tetralogy of Fallot = (3/13) = 23%

  Pulmonary Artery Stenosis = (2/13) = 15%

  s/p Heart Transplant = (1/13) = 8%

Procedure Time

Single Ventricle,n = 21

  Total Zone 4 time = 129 min (59–174)

  Right heart cath = 5.0 min

  Left heart cath = 2.9 min

Biventricular, n = 13

  Total Zone 4 time = 124 min (57–259)

  Right heart cath = 5.4 min

  Left heart cath = 3.1 min

Outcomes

Single Ventricle, n = 21

  Successful, n = 19

  Unsuccessful, n = 1 due to poor visualization

  Unsuccessful, n = 1 due to coil artifact

Biventricular, n = 13

  Successful, n = 12

  Unsuccessful, n = 1 due to inability to cross CoA