|Author||Sadiq, Adil ♦ Shyamkrishnan, K. G. ♦ Theodore, S. ♦ Gopalakrishnan, Sreeram ♦ Tharakan, Jaganmohan Achuthan ♦ Karunakaran, J.|
|Source||Sree Chitra Tirunal Institute for Medical Sciences & Technology|
|Publisher||Annals of Thoracic Surgery|
|Subject Domain (in DDC)||Technology ♦ Medicine & health ♦ Diseases ♦ Surgery & related medical specialties|
|Subject Domain (in MeSH)||Cardiovascular Diseases ♦ Diseases|
|Subject Keyword||Cardiovascular and Thoracic Surgery|
|Abstract||Background. Tetralogy of Fallot presenting in adulthood is a surgical challenge. We present the long-term outcomes of surgical correction in this subset of patients, including results of postoperative effort tolerance as assessed by treadmill testing.Methods. Fifty-eight patients older than 18 years operated on between January 1995 and June 2004 are included in the study. Mean age at surgery was 22.5 +/- 5 years. Forty-seven patients were in New York Heart Association functional class II and 11 were in class III. Two patients had previous shunts. Forty-four patients received a transannular patch, and 14 had a right ventricular outflow tract patch. The prospective arm objectively assessed postoperative ventricular function by treadmill testing and echocardiography.Results. Hospital mortality was 6.9%. Follow-up was 89% complete, with mean follow-up of 69.9 +/- 43 months. Late mortality occurred in 2 patients, both with infective endocarditis. Significant improvement in functional class was demonstrated (p < 0.001). Eight patients had significant pulmonary regurgitation on follow-up. The probability of survival after repair was 89% at 15 years. Thirty-five of 36 patients who underwent treadmill testing had good effort tolerance, with an average of 10.47 +/- 1.4 metabolic equivalents achieved. None had a positive result. One patient with transannular patch, in functional class III, had fair exercise tolerance with severe pulmonary regurgitation on echocardiography.Conclusions. Repair of adult tetralogy of Fallot has acceptable morbidity and mortality rates with good long-term surgical outcome in terms of effort tolerance as demonstrated by treadmill testing. Transannular patching does not appear to be a significant risk factor for right ventricular failure at long-term follow-up.|
|Education Level||UG and PG|
|Learning Resource Type||Article|
|Educational Framework||Medical Council of India (MCI)|
|Journal||ANNALS OF THORACIC SURGERY|
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