Table 2 Overview of published reports on percutaneous interventions in cor triatriatum
Author | Journal | Age | Cor triatriatum classification | Technique | Outcome and remarks | Follow-up |
|---|---|---|---|---|---|---|
Kerkar [8] | Am Heart J 1996 | 16 y | IA | Double-balloon dilatation (2× 18 mm diameter & 3 cm-long balloon angioplasty catheter sequentially placed) | Reduction of transmembrane gradient from 34 to 4 mmHg, and pulmonary artery pressure from 92/48 to 36/16 mmHg | 3 m |
Huang [9] | Catheter Cardiovasc Interv 2002 | 8 y | IA | Inoue balloon dilatation | Reduction of transmembrane gradient from 26 to 4 mmHg | 12 m |
Sivakumar [12] | Pediatr Cardiol 2008 | 30 y | IIIA1 | Balloon dilatation (16 mm × 4 cm Tyshak II balloon) | Reduction of pressure in proximal chamber from 32 to 12 mmHg | 3 m |
Schiller [10] | Pediatr Cardiol 2012 | 3 m | IIIA2 | Balloon dilatation (13 mm) | Admitted to emergency department with cardiogenic shock due to obstructing cor triatriatum and PAPVC. Planned staged treatment with percutaneous intervention as palliative measure before definitive surgical therapy. | 9 m |
Reduction of transmembrane gradient from 20 to 1 mmHg | ||||||
Mendez [13] | European Journal of Heart Failure 2013 | 30 y | IA | Inoue balloon dilatation (30 mm) | Reduction of transmembrane gradient from 20 to 1 mmHg, and increase of orifice diameter from 1.2 to 2 cm | 6 m |
Schranz [11] | Catheter Cardiovasc Interv 2013 | 3 m | IIB | Placement of 7 × 16 mm stent | Complex congenital heart defect with HLHS, TAPVC, cor triatriatum. Percutaneous intervention as part of staged treatment. | 15 m |
Reduction of pulmonary venous confluence pressure from 21 to 7 mmHg |