Background
More than 1 million cardiac surgical procedures are estimated to occur yearly. Little is known about country-level procedural estimates and volumes needed to provide adequate population coverage. We evaluated annual cardiac procedural volumes for high-income countries and present target volumes for countries to work toward as part of universal health coverage agendas.
Methods
Academic and gray literature was searched for total annual volumes for high-income countries for all cardiac surgery, coronary artery bypass grafting (CABG), valvular surgery, and congenital heart surgery between 2010 and 2021. Matched populations were obtained from the World Bank World Development Indicators. Volume targets by country income group were proposed on the basis of published expert opinion and adjusted for cardiovascular disease burdens.
Results
An average total cardiac surgical volume of 123.2 per 100,000 population per year was performed in high-income countries (36.7 CABG, 30.8 valvular, 7.9 congenital). Unadjusted annual volume targets per 100,000 population for low- and middle-income countries are 61.6 cardiac surgical procedures, 18.3 CABGs, 15.4 valvular surgical procedures, and 4.0 congenital heart operations. Adjusted for cardiovascular disease burdens, total cardiac surgical volume targets are 86.1 procedures per 100,000 population per year for upper-middle-income countries, 55.1 for lower-middle-income countries, and 40.2 for low-income countries.
Conclusions
Target annual procedural volumes present opportunities to strategically work toward expanding cardiac surgical capacity to meet the needs of countries’ populations. These targets may guide country-specific targets, which should be optimized through the expert opinion and lived experiences of local health care professionals and the context-specific population needs.
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