Key Terms You Must Know

📖 Key Terms You Must Know

Ambroise Paré (1510–1590)

French battlefield surgeon during the Italian Wars of the 16th century. Made two key discoveries: (1) improvised wound dressing of egg yolk, rose oil, and turpentine after running out of boiling oil during the siege of Turin (c.1545) — patients recovered better than those treated with the standard hot oil cauterisation; (2) the ligature technique for amputations — tying cut blood vessels with thread rather than sealing with a red-hot iron. Paré is the key AQA example of CHANCE (ran out of oil) combined with INDIVIDUAL (observed the outcome, recognised its significance, and published findings challenging Galen). His famous quote: "I dressed his wounds, God healed him."

Florence Nightingale (1820–1910)

British nurse, statistician, and hospital administrator whose work during the Crimean War (1854–56) transformed both nursing and public health policy. At the Barrack Hospital, Scutari, she reduced the death rate from approximately 42% to 2% through sanitary reform (improved drainage, ventilation, diet, and wound care). After the war, she produced her landmark 1858 report Notes on Matters Affecting the Health, Efficiency, and Hospital Administration of the British Army, which used pioneering polar area diagrams ("coxcomb diagrams") to prove statistically that preventable disease caused far more deaths than battle wounds. Her statistical evidence directly led to the establishment of the Army Medical School (1860). She is the AQA example of INDIVIDUAL driving change through evidence-based argument, not just medical practice. She is NOT a WW1 figure — she died in 1910.

Ligature

The surgical technique of tying a cut blood vessel with thread to stop bleeding, rather than sealing it with a red-hot cautery iron (cauterisation). Pioneered by Ambroise Paré in the 16th century during battlefield amputations. The ligature reduced surgical shock caused by the intense pain of cauterisation but carried the risk of infection if the thread was not clean. In the era before germ theory, this limitation was not fully understood. Paré's ligature technique was a genuine surgical advance that war conditions made possible.

Blood transfusion

The transfer of blood from a donor to a patient to replace blood lost through injury or surgery. Early attempts (1820s, Blundell) often failed fatally because blood groups were not understood. Karl Landsteiner's discovery of blood groups A, B, AB, O in 1901 made safe transfusions possible. WW1 provided the crucial development: scientists discovered that blood could be stored outside the body by adding sodium citrate to prevent clotting, allowing blood to be collected in advance and used when needed at the front. This created the concept of blood banking. By WW2, blood banks were standard across all Allied forces.

Plastic surgery / reconstructive surgery

Surgery to repair or reconstruct damaged or disfigured body parts. WW1 created a specific need: soldiers with facial injuries from shrapnel and bullets. Harold Gillies at Aldershot and later Sidcup established the first specialist plastic surgery unit, performing over 11,000 operations by 1925 and developing techniques such as the "tubed pedicle" (a rolled flap of skin used to cover wounds without losing blood supply). WW2 advanced the field further through Archibald McIndoe at East Grinstead, who treated severely burned RAF aircrew — the "Guinea Pig Club" of 649 patients. Plastic surgery as a recognised medical specialty was essentially created by WW1.

Harold Gillies (1882–1960)

New Zealand-born British surgeon who pioneered plastic and reconstructive surgery during WW1. He established the Queen Mary's Hospital at Sidcup, the first hospital dedicated to facial reconstruction, and performed over 11,000 operations on soldiers with disfiguring injuries. He developed key techniques including the tubed pedicle skin graft. His textbook Plastic Surgery of the Face (1920) became the foundation of the specialty. During WW2, his cousin Archibald McIndoe continued and extended his work, treating burned aircrew at East Grinstead.

Mobile X-ray units ("petites Curies")

Mobile X-ray vehicles developed by Marie Curie during WW1 that could be driven to field hospitals near the front lines to X-ray wounded soldiers and locate bullets and shrapnel. Curie personally trained 150 women radiographers to operate the units and drove one herself. By the end of WW1, approximately one million soldiers had been X-rayed using these vehicles. The development showed how existing technology (X-rays had been discovered by Röntgen in 1895) could be rapidly adapted for military medical use when the urgency was great enough.

Blood banking

The storage and management of donated blood for use in transfusions. The concept emerged from WW1 research: Oswald Robertson (US Army) demonstrated in 1917 that blood could be stored for several days using sodium citrate (which prevented clotting) and refrigeration. Blood could therefore be collected in advance and distributed to wherever it was needed on the battlefield, rather than requiring direct donor-to-patient transfusion. This concept, developed for military necessity, became the foundation of civilian blood transfusion services used to this day.