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MICHAEL TREDE,  M.D., 1928-2019

On May 18, 2019 the community of members of the Medical Faculty of Mannheim and Heidelberg celebrated goodbye to a national and international surgeon of towering stature of the German Society of Surgery. Dr. M. Trede, distinguished Professor Emeritus of Surgery and founding chair of the Department of Surgery at the Medical Faculty of the University of Mannheim passed away on May 11, 2019 in Mannheim at the age of 90. M. Trede was born 1928 in Hamburg. His parents dedicated there professional lives to music, consequently their son Michael grow up in a family life with a focus of practicing music.

In 1939, M. Trede emigrated with his mother to Britain to escape Nazi rule. Following 10 years at the British Bunce Court School and the High School, M. Trede graduated 1947-53 in Medicine at the University of Cambridge (UK) with the rank of Captain he served in the British Royal Army from 1955-57 in West-Berlin. While in Berlin he met two fascinating people, the chember musician and piano player Ursula Boettcher and Professor Fritz Linder, chairman of the Surgical Hospital of Free University of Berlin.

M. Trede started his surgical career as a resident between 1957 and 1962 in Linder`s Department of Surgery. During 1959/60 M. Trede went for one year as research fellow to the USA working with William P. Longmire at the University of California in Los Angeles. In 1962, Professor Linder moved to Heidelberg to take up the surgical chair of the University Hospital, where he was joined by M. Trede, one of his most skilled young surgeon. The focus of Trede`s research interest was at that time cardiac surgery, especially the extracorporeal circulation, an important topic during the rapid evolution of cardiac surgery. Upon returning to Germany he was promoted to a position as postdoctoral lecturer with animal research data, measuring functional effects of extracorporeal circulation under conditions of blood hemodilution.

In 1972, Dr. Trede was promoted to professor of surgery and first chairman and head of the Surgical Department of the largest hospital of Mannheim, which was affiliated to the Medical Faculty of the University of Heidelberg.

Stepping down in 1998, Professor Trede`s department was one of the leading national surgical departments, maintaining a world wide reputation for surgery of the pancreas.

It was during the years in Mannheim that Dr. Trede established his reputation as an extraordinarily gifted surgeon and a dedicated educator. He acquired extensive national and international experience in the surgical treatment of malignant tumors of the pancreas. In 1990, he published a seminal articele in the Annals of Surgery, reporting zero mortality in 118 patients suffering pancreatic head cancer who underwent a Kausch-Whipple procedure. Many surgeons learned details of the surgical treatment of pancreatic diseases from his book, Surgery of the Pancreas, published in 1997 co-edited by David Carter from Edinburgh. Dr. Trede was a pioneer in the surgical treatment of aorto-iliac aneurysm, surgery of hyperthyreoidism, and in the evolution of minimally-invasive access surgery of gallstone disease. His large expertise in kidney transplantation, reporting almost 600 procedures which gave him nationwide acknowledgement.

Dr. Trede was recognized as an outstanding clinician, master surgeon, inspiring teacher and surgical leader. He took care for the development of many young surgeons in his department, who later occupied leading clinical positions in surgical institutions in Germany. He held the precedency`s of the German Society of Surgery (1993/94), the Society of Thorax-, Heart-, and Vascular Surgery , and the International Society of Surgery (1993-95). In 1998, the National Academy of Natural Science Leopoldina of Germany, elected Dr. M. Trede for membership. Dr. M. Trede was the Editor-in Chief of the Journal, Archives für Klinische Chirurgie until 1992, to further develop this worldwide oldest scientific journal in surgery, founded 1860; he spent intensive editorial activities to promote academic surgery in Germany.

Among many other surgical societies of Europe the Royal College of Surgeons of England (1985), Edinburgh (1985), Ireland (1992), and Glasgow (1992) granted Dr. M. Trede an honorary fellowship. The University of Edinburgh awarded him the honorary degree of MD.

M. Trede was an enthusiastic musician. In addition to his passion of playing the violin, M. Trede was a multitalented and, creative personality. Not until as emeritus did he start during his active professional life to paint landscapes during the holydays. In 1988, he presented mountain paintings in an exhibition taking place in Konstanz/Germany, in association with a meeting about Surgical Action. In 1998, he published a small album titled "Erlebnisse in Farbe (Adventures in Color)“. M. Tredes autobiography „Der Rückkehrer -Skizzenbuch eines Chirurgen“ (The Homecomers-Sketches of an Surgeon) has been published in three editions.

Dr. M. Trede was married to Ursula Boettcher, a musician nationally renowned as a pianist and organ player. M. Trede is survived by his wife and there five children.

Dr. M. Trede will be greatly missed but not forgotten by all who had the privilege, pleasure and honor of knowing this outstanding, and wonderfully creative, and ever smiling surgeon.

Hans G. Beger, M.D.