[Transposition of great arteries (the authors' own experiences in diagnostic procedures and treatment) (author's transl)].

In 18 months since the opening of the Paediatric Institute in Poznań, 20 cases of simple complete transposition of the great arteries were admitted to this hospital. The clinical material consisted of 19 neonates, 3-7 days old, and one 3-month-old infant. All children were in a severe condition, with deep central cyanosis, congestive heart failure and severe metabolic acidosis.

[Cardiac catheterisation and angiocardiography in evaluation of congenital heart anomalies (author's transl)].

The material presented here was collected during 18 months since the Pediatric Institute in Poznań was opened. 252 children with congenital heart diseases were admitted to this institution. 152 children were over 12 months, and 100 were under 12 months old; 34 of them were less than 6 months old.