Medical milestones, landmark publications, and notable births and deaths associated with January 7.

Events

2022 – The first successful pig heart transplant to a human took place at the University of Maryland Medical Center in Baltimore, USA. The groundbreaking procedure marked a significant step in xenotransplantation

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Births

1894 – Otto Ullrich (1894-1957), German pediatrician; described Ullrich-Turner syndrome (1930), Ullrich congenital muscular dystrophy (1930), Bonnevie-Ullrich syndrome (1932)

1897 – Manes Kartagener (1897-1975), Austrian-Swiss physician; described Kartagener syndrome (1933) and Kartagener disease (1942)

1919 – Vilem (William) Ganz (1919-2009), Slovakian-born American cardiologist. Designed the Swan-Ganz catheter – pulmonary artery catheter (1970) and pioneer of early reperfusion therapy (intracoronary thrombolysis) for myocardial infarction

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Deaths

1892 – Ernst Wilhelm von Brücke (1819-1892), German-born, Austrian physiologist; described Brücke reflex and the Red Reflex (1845–1847)

1898 – Joseph O’Dwyer (1841-1898), American physician; designed the Fell-O’Dwyer apparatus (1911)

1955 – Sir Arthur Keith (1866-1955), Scottish anatomist; described Node of Keith-Flack (1907) [sino-atrial node]

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Further reading

• The First Pig Heart Transplant to a Human Explained. Biology Insights