MODIFIED BLALOCK TAUSSIG SHUNT IS A USEFUL PALLIATIVE MEASURE TO TIDE OVER CYANOTIC CRISIS IN EARLY INFANCY
Sachdev MS*, Suresh kumar R**, Coelho R ***
Institute of Cardiovascular Diseases, Madras Medical Mission, Chennai *, Institute of Cardiovascular Diseases, Madras Medical Mission, Chennai **, Institute of Cardiovascular Diseases, Madras Medical Mission, Chennai ***
Objective
To identify the outcome, long-term patency of the modified Blalock-Taussig shunt (BT shunt) and to assess the risk factors and complications for the same in infants less than 60 days of age.
Materials and Methods of Study
It is a retrospective study from January 1994 to October 2004 involving 42 infants aged less than 60 days who underwent modified Blalock-Taussig shunt (BT shunt) for various congenital cardiac anomalies with decreased pulmonary blood flow.
Results
Among the 42 patients (aged less than 60 days) who underwent modified BT shunt from January 1994 to October 2004, 52.3% (n = 22) were males and 47.7% (n = 20) were females. 35 Right Modified BT shunt and 7 Left Modified BT shunts were constructed using 3-5 mm Gore-Tex grafts. The hospital mortality was 23.7% mainly due to postoperative complications such as low cardiac output, shunt overflow, blocked shunt and infections/sepsis.
Conclusion
Modified Blalock-Taussig shunt offers safe and good palliation in infants with cyanotic congenital heart diseases and the overall shunt patency is about 71% on an interim follow up. A diagnosis of complex cyanotic congenital heart disease appears to be an incremental risk factor for post-operative morbidity.
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