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European Journal of Cardio-Thoracic Surgery, Vol 6, 586-589, Copyright © 1992 by European Association for Cardio-thoracic Surgery
GG Fermanis, AK Ekangaki, AP Salmon, BR Keeton, DF Shore, RK Lamb and JL Monro
Between 1978 and 1990, 53 consecutive modified Blalock-Taussig (MBT) shunts
were performed on 51 neonates with cyanotic congenital heart disease using
3 mm-5 mm Gore-Tex grafts. Only 4 of these children had uncomplicated
tetralogy of Fallot. The remainder had more complicated pathology requiring
urgent intervention. Retrospective analysis of the acute and long term
results was performed with 100% follow-up, ranging from 1 month to 12 years
(mean 3 years). There were 3 (6%) early deaths (within 30 days of
operation) and 17 (33%) late deaths. Of the late deaths, 2 died after
further palliation, 2 died after total correction and 13 died suddenly at
home. Post mortem examination of the 13 sudden deaths revealed blocked
shunts in only 3. Actuarial survival at 2 years was 58%. Shunt patency at
12 months was 87% and at 2 years, 62%. No patient used their initial MBT
shunt for more than 40 months. Although this shunt provides good initial
palliation, there is a high incidence of late sudden death. We are also
concerned about the limited life span of the shunt which partly (3/13)
explains the sudden deaths. Therefore we have adopted an aggressive
approach to re-study by angiography within 3 months of surgery.
ARTICLES
Twelve year experience with the modified Blalock-Taussig shunt in neonates
Department of Cardiac Surgery, Wessex Cardiothoracic Centre, Southampton General Hospital, UK.
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