RT Journal Article SR Electronic T1 Reactive pulmonary hypertension after a switch operation. Successful treatment with glyceryl trinitrate. JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 223 OP 225 DO 10.1136/hrt.53.2.223 VO 53 IS 2 A1 J Damen A1 J F Hitchcock YR 1985 UL http://heart.bmj.com/content/53/2/223.abstract AB After an arterial switch operation (anatomical correction for transposition of the great arteries) in a 6 month old child reactive pulmonary hypertension developed six hours after cardiopulmonary bypass. Intravenous glyceryl trinitrate was the only means by which the pulmonary hypertension could be reversed.