Table 1:
Details of the Group 1 patients
| S. No. | Diagnosis | Cause for Glenn | Age at Glenn | Initial palliation | Age of final correction | Final conversion |
|---|---|---|---|---|---|---|
| 1 | DORV, VSD | Non-routable VSD with tricuspid valve straddling | 2 months, 3 years | PA band, BDGS | 9 years | Intraventricular tunnelling, TV repair, pulmonary debanding, Glenn takedown |
| 2 | DORV, VSD, PS | Non-routable VSD | 3 months | BDGS, MPA ligation and LPA plasty | 6 years | Intraventricular tunnelling, RV-PA conduit, Glenn takedown |
| 3 | DORV, VSD, PS | Non-routable VSD with tricuspid valve straddling | 6 months | BDGS | 6 years | Intraventricular tunnelling, RV-PA conduit, RPA plasty, Glenn takedown |
| 4 | DORV, VSD, PS | Non-routable VSD | 2 months, 11 months | RMBTS, BDGS | 5 years | Intraventricular tunnelling, RV-PA conduit, Glenn takedown |
| 5 | D-TGA, VSD, PS | Non-routable VSD | 4 years | BDGS with MPA interruption | 10 years | Intraventricular tunnelling, RV-PA conduit, RPA plasty, Glenn takedown |
| 6 | D-TGA, VSD, PS | Conduit requirement | 1 year | BDGS with PA banding | 7 years | Intraventricular tunnelling, RV-PA conduit, RPA plasty, Glenn takedown, TV valve repair |
| 7 | D-TGA, VSD | Complex coronary anatomy | 1 year | BDGS with PA banding | 5 years | ASO, VSD closure, Glenn takedown |
| 8 | TOF | Tricuspid valve straddling, LAD crossing RVOT | 5 months | BDGS | 3 years | VSD closure, RV-PA conduit, RPA plasty, Glenn takedown, tricuspid valve repair |
| 9 | TASVC | Hypoplastic right ventricle | 4 months | Bilateral BDGS | 4 years | Rerouting of systemic veins. Bilateral Glenn takedown |
| 10 | TAPVC | Hypoplastic LV | 10 months | Bilateral BDGS with DKS | 4 years | Rerouting of pulmonary veins, undoing of DKS with great vessel reconstruction, bilateral Glenn takedown |
ASO: arterial switch operation; BDGS: bidirectional Glenn shunt; DORV: double outlet right ventricle; DKS: Damus–Kaye–Stansel; LAD: left anterior descending artery; LPA: left pulmonary artery; PA: pulmonary artery; PS: pulmonic stenosis; RMBTS: right modified Blalock–Taussig shunt; RPA: right pulmonary artery; RV: right ventricle; TAPVC: total anomalous pulmonary venous connection; TASVC: total anomalous systemic venous connections; TGA: transposition of great arteries; TOF: tetralogy of Fallot; TV: tricuspid valve; VSD: ventricular septal defect.