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Professor Dr. med. Christian Krettek, Director of the Department of Orthopaedics and Trauma, Professor Dr. Christian Krettek, FRACS, FRCSEd, is one of the world’s leading experts for orthopedic and trauma surgery.


Since 2000 he has been head of the Orthopedic Trauma Department of Hannover Medical School (MHH), which was the first orthopedic trauma university hospital in Germany.
The Department has developed and established many therapies in orthopedic and trauma surgery which have become standard world-wide. Professor Krettek has been honored with numerous international awards.


Professor Krettek is on the executive board and member of many national and international orthopedic and trauma societies such as the Orthopedic Trauma Association (OTA), the American Academy of Orthopedic Surgeons (AAOS), the AO/ASIF and the International Society for Computer Assisted Orthopaedic Surgery (CAOS).
Furthermore, he is a Fellow of the Royal Australian College of Surgeons (FRACS) and Honorary Fellow of the Royal College of Surgeons of Edinburgh (FRCSEd).


Professor Krettek is the author or co-author of more than 400 publications. He is editor or associate editor of many national and international journals. He has been a guest lecturer at many international universities.

Clinical Profile

The Orthopedic Trauma Department provides the full spectrum of trauma and orthopedic surgery of the highest standard.


In addition to the treatment of severe injuries after traffic and sports accidents, we are specialized in posttraumatic orthopedic trauma reconstruction including primary and secondary reconstructive procedures of complex spinal and pelvic injuries.
Moreover, the Department specializes in arthroplasty surgery using innovative solutions such as minimally invasive and navigative surgery including difficult revision surgery.
New procedures for joint reconstruction including ligament and cartilage transplantation are offered by the Department, which is also one of the world’s leading hospitals for innovative, minimally invasive lower limb lengthening (ISKD nail), complex corrections and reconstructive procedures using navigation modules.


In all areas, the Orthopedic Trauma Department has an excellent international reputation.


The Department runs its own intensive care unit, as well as a trauma unit for children and adolescents. It also offers extensive special consulting hours for outpatients.


Moreover, the team of Professor Krettek employs stem cell therapy and tissue engineering approaches for the treatment of defects of bone, joint cartilage, menisci and tendons/ligaments.


Professor Krettek’s team consists of 7 attending physicians, every one specialized in a certain operative area, and 22 residents.

Areas of special emphasis:
Late sequelae after complex fractures of the extremities, spine, pelvis and complex joint injuries
Malunions and non-unions
Bone and soft tissue tumors
Cartilage replacement and ligament reconstruction, meniscus surgery
Arthroplasty of the hip, knee, shoulder, elbow and ankle joints, including minimally invasive techniques and navigated surgery
Kypho- and vertebroplasty
Injuries of children and adolescents
Lower limb lengthening using minimally invasive, intramedullary techniques
Rheuma surgery
Surgery of the hand and foot
Scientific Profile


The Orthopedic Trauma Department is also a very successful research institute, publishing more than 50 Medline-listed articles with new study results annually.


Professor Krettek’s department has an excellent international reputation in the research of navigated surgery, treatment of severely injured patients (polytrauma) and tissue regeneration (tissue engineering).


Professor Krettek’s team regularly makes the most presentations of all hospitals and university clinics represented at the most important national and international congresses like those of the German Society of Trauma and Orthopedic Surgery and the Orthopaedic Trauma Association.


Extensive research projects are supported by the German Research Association (DFG), the Arbeitsgemeinschaft Osteosynthesefragen (AO), the German Society of Arthroscopy (AGA), the Society of Orthopedic and Trauma Sports Medicine (GOTS), Collaborative Research Centres (SFB) and many more.

Furthermore, cooperative agreements exist with numerous industry partners.