|
|
This is a 28-year analysis of 5,653 cases with congenital heart disease who underwent cardiac catheterization at Yonsei Medical Center from 1964 to 1991.
Form 1964, there was a steady increment in the number of catheterized cases with CHD until the late 1970's when the patients population began to increase rapidlly. This was undoubtedly set off by the introduction of the... |
