His clinical and scientific focus lies in pulmonary rehabilitation as well as in the prevention and treatment of chronic respiratory diseases, particularly COPD, including alpha-1 antitrypsin deficiency (AATD).

He places special emphasis on non-pharmacological treatment approaches, the importance of exercise, as well as exercise and respiratory therapy, and evidence-based pulmonological care and its digital implementation.

Prof. Koczulla is the author of over 200 scientific publications and served as lead author of the German S1 guideline “Long/Post-COVID” from 2021 to 2024. He is currently leading the upgrade of this guideline to S2k level.

As a medical advisor, he supports CEGLA Medizintechnik in the technical classification and further development of pulmonological rehabilitation concepts as well as non-pharmacological respiratory therapy methods.

View profile at Schön Klinik

His clinical and scientific focus lies in the diagnosis as well as the conservative and surgical treatment of diseases of the upper respiratory tract, particularly the nose and paranasal sinuses.

For many years, he served as the lead author of the S2k guideline “Diagnosis and Treatment of Rhinosinusitis” published by the German Society of Otorhinolaryngology and possesses proven expertise in guideline-based and evidence-based care for diseases of the upper respiratory tract.

As a medical advisor specializing in the upper respiratory tract, nasal therapy, and sleep medicine, he supports CEGLA Medizintechnik in the technical classification and further development of respiratory therapy concepts.

View profile at the University Hospital of Giessen and Marburg

His areas of expertise include, in particular, the diagnosis and treatment of asthma, COPD, and respiratory infections. He places special emphasis on inhalation therapy, patient education, and the practical implementation of evidence-based treatment approaches in primary care.

Dr. Hausen is the author of more than 50 scientific publications as well as numerous continuing education articles and textbooks on pulmonology and general medicine. He has been active in various professional societies, including DEGAM, DGP, and IPCRG.

As an author and medical advisor, he supports CEGLA Medizintechnik—particularly on the “leichter-atmen.de” platform—in creating factually sound content, answering questions from the community, and providing practical guidance on respiratory therapy applications.