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Serving the industrial hub of the nation, Cook County Hospital in Chicago (now The John H. Stroger, Jr. Hospital of Cook County) opened a huge new facility in 1916, and by 1925, was treating some 42,000 patients annually. It was an institution, wrote a contemporary, “where the turnover is rapid and emergencies constantly at hand.”

The hospital’s director of therapeutics, Bernard Fantus, a highly respected figure in American medicine, in 1937 created what is generally conceded to be the first hospital-based blood exchange facility in the United States. The concept was soon copied the world over; and the brutalities of the Second World War would only underscore its vital significance. Knowledge and technology made the blood bank a much-desired innovation after the key discovery of the ABO blood groups by chemist and physician Karl Landsteiner in 1900.

The value of extra blood for surgery was obvious, but collection and especially storage were problems. Discovery of anticoagulants and ways to store blood, at least briefly, enabled Britain to use “blood depots” in World War I; and by the early 1930s, the Soviet Union had developed a system of blood exchange. Although not widely publicized, the Mayo Clinic effectively employed a blood bank in 1935. But the facility that opened at Cook County Hospital on March 15, 1937, became widely understood as the first hospital blood bank, and Fantus’ article in the Journal of the American Medical Association that same year entitled “The Therapy of the Cook County Hospital” was highly influential. “No one acquainted with the situation constantly arising in large general hospitals doubts its value,” wrote LeRoy Sloan MD, in his obituary of Fantus in 1940. The model was adopted around the country and throughout the world.

Public Hospital Firsts

First Hospital Ambulance Service
First Hospital Blood Bank
First Heart Catheterization

About America’s Essential Hospitals

America’s Essential Hospitals is the leading association and champion for hospitals and health systems dedicated to high-quality care for all, including the most vulnerable. Since 1981, America’s Essential Hospitals has initiated, advanced, and preserved programs and policies that help these hospitals ensure access to care. We support members with advocacy, policy development, research, and education.