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About Joseph Castaigne
- Joseph Philippe Emmanuel Castaigne (27 February 1871 – 21 September 1951) was a French internist who was a native of Bassac, Charente. He studied medicine in Paris, later becoming médecin des hôpitaux in 1908.
- During World War I, he was responsible for the treatment of wounded soldiers at a hospital in Vichy.
- Following the end of hostilities, he became head of medical services at the Hôpital de la Charité.
- In 1920, following the death of his oldest son, he relocated to the village of CĂ©bazat, near Clermont-Ferrand.
- Castaigne felt that a small village environment would be beneficial in raising his other children.
- At Clermont-Ferrand, he eventually attained the directorship of its medical school, working there until 1942. At Paris, he studied under Anatole Chauffard (1855-1932) and Augustin Nicolas Gilbert (1855-1927), and performed investigations involving renal functionality with internist Emile Charles Achard (1860-1944).
- With Achard, the "Achard-Castaigne test" is named, a urinary test using methylene blue dye to analyze the excretory function of the kidneys.
- His name is also lent to the "Castaigne test", a method for examining the density of urine.
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