F. John Lewis
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| Known for | Cardiac surgery |
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| Institution | University of Minnesota |
| Date of birth | January 1,1916 |
| Date of died | September 20,1993 |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1105954 |
About F. John Lewis
Floyd John Lewis was an American surgeon who performed the first successful open heart operation, closing an atrial septal defect in a 5-year-old girl, on 2 September 1952. For the next 3 years, Lewis and colleagues operated on 60 patients with atrial septal defects using hypothermia and inflow occlusion.