Objective: To analyze 68 pediatric cases with functional univentricle heart who underwent bidirectional Glenn procedure during from April 1998 to December 2005.
Methods: There were 47 males and 21 females in this group, aged from 5 months to 14 years old and weighed from 6.7 to 30.0 kg. Among them, 39 cases were received bidirectional Glenn procedure on the right side, 13 cases on the left side and 16 cases on both sides. Three cases had the pulmonary artery banded; one case had the pulmonary artery ligated;one case had the original A-P shunt cut off; six cases had the PDA ligated; four cases had the MAPCAs cut off; one case had TAPVC corrected contemporarily; two cases of PAPVC were also corrected; four cases had the atrial-ventricular valve repaired.
Results: Three cases died. The mortality was 4.4%. The mean post-operative pressure of super vena cava was (15.9 +/- 2.4) mm Hg (1 mm Hg = 0.133 kPa), higher than the pre-operative one (8.3 +/- 1.8) mm Hg (P < 0.01). The mean post operative SpO(2) was (89.3 +/- 4.2)%, higher than the pre-operative one (78.4 +/- 6.0)% (P < 0.01).
Conclusions: Bidirectional Glenn procedure is of satisfied effect on surgical treatment for functional univentricle heart. The persistent forward flow from pulmonary artery should be reserved in bidirectional Glenn procedure.
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