Abstract
From March 1969 to December 1972, 314 patients underwent elective aortocoronary saphenous vein bypass graft surgery at the Toronto General Hospital for the relief of stable disabling angina refractory to medical management. Inhospital mortality was 2.5%. Of these patients 100 agreed to return for follow-up hemodynamic and angiographic assessment at a mean interval of 19.7 months after operation. Seventy-four percent of patients were asymptomatic or had angina only with strenuous exertion at the time of follow-up. Seventy-five percent of the 142 grafts were patent, though a few had significant narrowings. Clinical improvement could be correlated with successful myocardial revascularization. Myocardial infarction was diagnosed by the presence of new Q waves after operation in 15% of patients. Many of these patients had patent grafts at follow-up and all were improved. Dyslipoproteinemia was not found to be a factor affecting late graft patency. Total left ventricular function was not shown to be improved by segmental revascularization. The trend toward improved survival in the intervening period for the total operated group is encouraging.
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Selected References
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- Bartel A. G., Behar V. S., Peter R. H., Orgain E. S., Kong Y. Exercise stress testing in evaluation of aortocoronary bypass surgery. Report of 123 patients. Circulation. 1973 Jul;48(1):141–148. doi: 10.1161/01.cir.48.1.141. [DOI] [PubMed] [Google Scholar]
- Cannom D. S., Miller D. C., Shumway N. E., Fogarty T. J., Daily P. O., Hu M., Brown B., Jr, Harrison D. C. The long-term follow-up of patients undergoing saphenous vein bypass surgery. Circulation. 1974 Jan;49(1):77–85. doi: 10.1161/01.cir.49.1.77. [DOI] [PubMed] [Google Scholar]
- Covvey H. D., Adelman A. G., Felderhof C. H., Taylor K. W., Wigle E. D. Television-computer dimensional analysis interface with special application to left ventricular cineangiograms. Comput Biol Med. 1972 Nov;2(3):221–233. doi: 10.1016/0010-4825(72)90024-8. [DOI] [PubMed] [Google Scholar]
- Franciosa J. A., Freis E. D., Conway J. Antihypertensive and hemodynamic properties of the new beta adrenergic blocking agent timolol. Circulation. 1973 Jul;48(1):118–124. doi: 10.1161/01.cir.48.1.118. [DOI] [PubMed] [Google Scholar]
- Lapin E. S., Murray J. A., Bruce R. A., Winterscheid L. Changes in maximal exercise performance in the evaluation of saphenous vein bypass surgery. Circulation. 1973 Jun;47(6):1164–1173. doi: 10.1161/01.cir.47.6.1164. [DOI] [PubMed] [Google Scholar]
- Lespérance J., Bourassa M. G., Saltiel J., Campeau L., Grondin C. M. Angiographic changes in aortocoronary vein grafts: lack of progession beyond the first year. Circulation. 1973 Sep;48(3):633–643. doi: 10.1161/01.cir.48.3.633. [DOI] [PubMed] [Google Scholar]