Late Results of Operations for Fallot's Tetralogy

Abstract

anoxaemia and lower haemoglobin percentages (see Table It is only fair to add that Mr. Alfred Blalock was working at Guy's Hospital and performed some of these first operations, lest others feel that their start was not,so successful. The TABLE Il.-Changes in Heart Size and Haemoglobin Percentage inz Patients Who Have Done Well for 9 or 10 Years After Anastomotic Operations Heart Size (Cardiothoracic Ratio) Haemoglobin (Y.) Case No. Before 9 or Before After After Op. IlYr. 3 Yr. SYr. 7YrYr. r Op 4Yr 9 or Op 0 Yr. Op. 4 r. ~~~~~~10 Yr.