What does this research mean for the field?

Over an 11-year period, coronary arterial surgery outcomes, including graft patency and five-year survival, significantly improved despite operating on older patients with more severe disease, attributable to advances in surgical technique, technology, and medical management. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

October 1, 1979Annals of SurgeryOpen Access

An 11 Year Evolution of Coronary Arterial Surgery (1967–1978)

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Why the study?

Does the evolution of coronary arterial surgery techniques and management over an 11-year period improve survival and graft patency in patients undergoing myocardial revascularization?

Structured PICO

Does the evolution of coronary arterial surgery techniques and management over an 11-year period improve survival and graft patency in patients undergoing myocardial revascularization?

Population

8,741 patients who underwent isolated myocardial revascularization procedures (741 from 1967-1970, and the first 1,000 patients each year from 1971-1978). Median age increased from 50 to 56 years, multiple-vessel disease increased from 44 to 89%, and left ventricular asynergy from 41 to 54%.

Intervention

Isolated myocardial revascularization procedures performed in later years (1971-1978) with evolving techniques including internal mammary artery grafts.

Comparator

Isolated myocardial revascularization procedures performed in earlier years (1967-1970).

Outcome

Five-year survivalhard clinical

Over an 11-year period, advancements in coronary arterial surgery techniques and management led to improved five-year survival and graft patency, despite operating on older patients with more extensive disease.

Discussion

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Implication

Supports evolving revascularization for higher-risk patients; extends early observations but leaves open causal effects in contemporary practice.

Cite This Study

Loop et al. (1979) studied this question.

synapsesocial.com/papers/6a11dd3af7bd4f5c7da574dd https://doi.org/10.1097/00000658-197910000-00004

Topics

Coronary artery disease

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Implication

Supports evolving revascularization for higher-risk patients; extends early observations but leaves open causal effects in contemporary practice.

An 11 Year Evolution of Coronary Arterial Surgery (1967–1978)

Structured PICO

Discussion

Implication

Cite This Study

Topics

An 11 Year Evolution of Coronary Arterial Surgery (1967–1978)

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Topics

Also Consider