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Evaluation of the Abdominal Pain Unit (APU)

Evaluation of the Abdominal Pain Unit (APU) – innovative acute care for patients with atraumatic abdominal pain

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Evaluation der Abdominal Pain Unit (APU)

This study aims to evaluate of an innovative treatment process for patients with atraumatic abdominal pain presenting in the emergency department.


Findings from this evaluation will be used for an optimization of the treatment process for abdominal pain patients as well as to ensure smooth implementation. A standardized and structured treatment process, which is digitally supported through an App (i.e. APU-App) will assist physicians to make evidence-based treatment decisions from first medical examination until emergency department discharge. The evaluation will take place alongside the multi-centred (N=10), cluster-randomized stepped wedge APU trial. First, patients in the APU trial will be surveyed (n=2000) regarding their patient satisfaction, quality of life. As well, length of stay in the emergency department will be assessed. Second, participatory patient observations of the APU process will be conducted, as well as semi-structured interviews with experts working with the novel APU-App will be performed to gather an understanding of potential success factors and barriers of the APU process.

Project leader

Prof. Dr. phil. Liane Schenk

Leitung der Abteilung Medizinische und pflegerische Versorgung
Wissenschaftliche Mitarbeiterin

Liane Schenk

other project members

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Other project managers

Duration of the project

  • 01.10.2020 – 30.09.2024


  • Gemeinsamer Bundesausschuss (G-BA):
    Innovationsfonds des G-BAs zur Förderung von neuen Versorgungsformen

Funding amount

  • 8,3 Millionen € / Eigenanteil: 1.901271,55 €

Cooperation partner

Prof. Dr. Martin Möckel

Head of Departments of Emergency Medicine Charité Campus Virchow-Klinikum und Campus Charité Mitte

Prof. Dr. rer. medic. Anna Slagman, MSc Epidemiologie

Emergency Medicine Health Services Research,
Deputy Speaker of Plattform Charité Health Services Research

Prof. Dr. Anna Slagman
  • Institut für Sozialmedizin, Epidemiologie und Gesundheitsökonomie (Konsortialpartner)
    PD Dr. rer. medic. Thomas Reinhold
  • Institut für Biometrie (Konsortialpartner)
    Prof. Dr. rer. nat. Geraldine Rauch
  • Klinik für Allgemein-, Viszeral- und Gefäßchirurgie (Konsortialpartner)
    Prof. Dr. Johann Pratschke
  • TMF – Technologie- und Methodenplattform für die vernetzte medizinische Forschung e.V. (Konsortialpartner)
    Dr. rer. nat. Johannes Drepper
  • Techniker Krankenkasse (Konsortialpartner)
    Dr. Dirk Horenkamp-Sonntag