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East and Central African Journal of Surgery
Association of Surgeons of East Africa and College of Surgeons of East Central and Southern Africa
ISSN: 1024-297X
EISSN: 1024-297X
Vol. 12, No. 2, 2007, pp. 23-27
Bioline Code: js07034
Full paper language: English
Document type: Research Article
Document available free of charge

East and Central African Journal of Surgery, Vol. 12, No. 2, 2007, pp. 23-27

 en Modified Blalock-Taussig Shunt in Palliative Cardiac Surgery
Ussiri, E.V.; Nyawawa, E.T.M.; Mpoki, U.; Lugazia, E.R.; Mannam, G.C.; Sajja, L.R. & Sompali, S.


Background: Cyanotic congenital heart diseases present early in life with poor general condition of the patient. Majority of deaths occurs within one year of life before surgical intervention due to severe cyanosis and metabolic acidosis. Modified Blalock-Taussig Shunt (MBTS) is one of the palliative cardiac surgeries done for cyanotic congenital heart diseases. It improves the general condition of the patient before definitive surgery is done. The aim of this study was to determine the commonest indications, post-operative anticoagulation and early complications following MBTS at CARE Hospital, India.
Methods: This was a retrospective study from January 2004 to December 2006 including all patients who underwent Posterolateral Thoracotomy for MBTS. All patients had deep cyanosis, oxygen saturation of 65% or less and small pulmonary vasculature due to congenital heart defects. Acyanotic patients and those with oxygen saturation more than 65% were excluded from the study. All patients received a single dose of heparin intra-operatively and oral aspirin as anticoagulant regimen post-operatively. No heparin given post-operatively.
Results: A total of 20 children with a mean age of 27.4 months were studied. Two patients had pre-operative ICU admission due to severe cyanosis (both had oxygen saturation of 35%), hypotension and severe body weakness. The commonest indications for MBTS included Tetralogy of Fallot (70%), pulmonary atresia (10%) with or without Ventricular Septal Defect (VSD), tricuspid atresia (10%) with pulmonary atresia or stenosis and Double Outlet Right Ventricle (DOVR) with pulmonary atresia or stenosis (10%). Mean duration of ICU stay was 2 days, mean duration of mechanical ventilation was four and half hours, mean duration of hospital stay was 7 days and mean systemic oxygen saturation improved significantly from 46% to 84% ( x2 = 7.03, p = 0.0080). No post-operative bleeding, seroma, shunt thrombosis or death occurred in this study.
Conclusion: The commonest indication for MBTS is TOF. Intra-operative single dose of heparin followed by post-operative oral aspirin as anticoagulant regimen was not associated with a major complication in terms of bleeding, seroma, shunt thrombosis, or death.

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