• A Mazzucco, D Scalia, G Faggian, U Bortolotti, G Stellin, G Aru, C Valfrè, and V Gallucci.
• Int Surg. 1983 Jul 1; 68 (3): 207-10.

AbstractDuring a 6-year period, 24 patients, aged 7 days to 18 years, underwent palliative surgery for single-ventricle heart malformations; 22 has single-left ventricle with outlet chamber (14 with L-transposition); only two had type C malformation (van Praagh). They were subdivided according to physiology into two groups: the first included 15 patients with decreased pulmonary blood flow, whose main clinical feature was arterial desaturation; the second consisted of nine patients with increased pulmonary blood flow, who presented early with unmanageable heart failure. The first group was treated with a Blalock-Taussig shunt (typical or modified) in 12 cases (one death due to preoperative acute renal failure), with a Waterston or Potts shunt in two cases (both died early postoperatively), and by enlargement of the bulbo-ventricular foramen in one (who died at operation). No late deaths were seen and the clinical status of the survivors is judged optimal. Patients of the second group received a pulmonary artery banding plus a number of associated procedures: coarctation repair (2), ligation of a patent ductus arteriosus (2), Blalock-Hanlon atrial septectomy (1), tricuspid valve replacement (1). There was only one early death due to critical subaortic stenosis produced by a restrictive outlet foramen; however, there were five late deaths and two cases of surgical failure with persistent pulmonary hypertension. An analysis of the best palliative approach in patients with single-ventricle heart malformations is made, based upon the results of this series and taking into consideration the possibility of future intracardiac repair.

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