Key result
Primary pulmonary artery thrombosis occurs as an exceptionally rare complication in tetralogy of Fallot.
Why the study?
Primary thrombosis of the pulmonary artery in children with tetralogy of Fallot is a rare and poorly characterized event.
Case Report (n=395)
A 34-month-old child with tetralogy of Fallot developed an acute, primary thrombosis of the pulmonary trunk. A greatly increased haematocrit was most probably a predisposing factor. An unusual postmortem finding was the large number of extremely dilated myocardial capillaries. In a review of a series of 394 consecutive necropsy cases with many kinds of cardiac anomalies, there was only one case (a 28-year-old man) with occluding thrombus formation in the pulmonary artery. This case also belonged to the Fallot group but a subacute glomerulonephritis seemed to be the major cause of death.
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Sivert Svane (1977) conducted a case report in Tetralogy of Fallot and primary thrombosis of pulmonary artery (n=395). Tetralogy of Fallot / increased haematocrit was evaluated on Occluding thrombus formation in the pulmonary artery. Primary thrombosis of the pulmonary artery is an extremely rare complication in tetralogy of Fallot, with only one additional case found in a review of 394 necropsy cases of cardiac anomalies.
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