Mark Ellebæk

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Phone+45 4088 0511
EmailMark.Ellebaek1rsyddk

Curriculum

Short summary CV

Education

Danish Certified Paediatric Surgeon, 2019
Danish Certified Colorectal Surgeon, 2018
PhD degree, Institute of Clinical Research, University of Southern Denmark, 2015
Medical School: University of Southern Denmark, 2008

Current position

Professor, University of Southern Denmark, 2024-Present
Head of Paediatric and IBD surgery, Department of Surgery, Odense University Hospital, 2022-Present

Pregraduate teaching

> 75 lectures and class room teaching (2002-Present)
Supervised: 50 master's theses

Postgraduate teaching

> 50 lectures and class room teaching (2012-Present)
PhD Supervisor: 1 PhD finished and 10 ongoing
PhD Co-supervisor: 1 PhD finished and 2 ongoing

Scientific activity

H-index: Google scholar 20 (08.08.2025)
Citations: 1819
Author/co-author: 108 publications
Textbook chapters: 4

Assessment work

Opponent PhD thesis: 5
Chair of PhD assessment committee: 3

Member of steering group/board

The Medical Council's specialist committee regarding inflammatory bowel diseases and short bowel syndrome (2021 – Present)
The European Society of Coloproctology (ESCP) National Representative for Denmark (2021-2024 )

Surgical Chair of the "Gastroenterological diseases" working group under ERNICA (2024 – Present)

National lead

National chair of Paediatric Surgery, Danish Surgical Society, (2024 – Present)

Research prizes:

Best Poster (DSS 2006 & 2011, ECC 2022), Nyhus/Grassi Prize finalist (ISW 2009), and 2nd Best Oral Presentation (Kirurgveckan 2022).

Links:

orcid.org/0000-0001-6550-7505

Personally

Age: 45 years, Civil status: Married to Signe Bremholm Ellebæk. We have 3 children aged 13, 19 and 24.

Fingerprint

Dive into the research topics where Mark Ellebæk is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

1 Similar Researchers

115 Journal article
27 Poster
7 Conference abstract for conference
5 Comment/debate
More

Genital and urinary tract malformations, associated morbidity, and need for urogenital surgery among children with esophageal atresia: a retrospective cohort study
Svensson, E., Eriksson, F., Hagander, L., Omling, E., Ellebæk, M. B. & Salö, M., Dec 2026, In: Pediatric Surgery International. 42, 1, 9 p., 180.
Research output: Contribution to journal › Journal article › Research › peer-review

Open Access
File
3 Downloads (Pure)
Impact of timing of ileostomy reversal and anastomotic leakage on bowel function and health-related quality of life following rectal cancer surgery: a cross-sectional study
Petersen, D. R., Faaborg, P. M., Al-Najami, I., Thygesen, M. M., Mølstrøm, A. P. B., Möller, S. & Ellebæk, M. B., 12. Jan 2026, In: Surgical Endoscopy. 40, 4, p. 2848–2857
Research output: Contribution to journal › Journal article › Research › peer-review

Open Access
File
4 Downloads (Pure)
Is anaerobic bacteraemia on the rise in Denmark? A 14-year population-based nationwide cohort study
Agergaard, C. N., Bjørsum-Meyer, T., Ellebæk, M. B., Justesen, U. S. & Gradel, K. O., 2026.
Research output: Contribution to conference without publisher/journal › Poster › Research › peer-review
Is anaerobic bacteraemia on the rise in Denmark? A 14-year population-based nationwide cohort study
Agergaard, C. N., Bjørsum-Meyer, T., Ellebæk, M. B., Justesen, U. S. & Gradel, K. O., 2026.
Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research › peer-review
Open versus robotic-assisted repair of midline ventral hernias with defect width 2–8 cm – a randomized clinical trial (OVER)
Nielsen, K. A., Valorenzos, A., Tsigka, E., Frandsen, C. H., Helligsø, P., Petersen, S. R., Ellebaek, M. B. & Nielsen, M. F., 2. Apr 2026, In: Hernia. 30, 1, 13 p., 155.
Research output: Contribution to journal › Journal article › Research › peer-review

Open Access
File
4 Downloads (Pure)

Early detection of anastomotic leakage after low anterior resection with intraperitoneal microdialysis a prospective multicenter study
Ellebæk, M. B. (Lecturer)
Sept 2017
Activity: Talks and presentations › Talks and presentations in private or public companies
Botox og EA samt Invagination og Meckels Divertikel
Ellebæk, M. B. (Guest lecturer)
11. Jun 2017
Activity: Talks and presentations › Talks and presentations in private or public companies
Klinisk lektor ved Laboratoriet for Kliniske Færdigheder
Ellebæk, M. B. (Guest lecturer)
1. Mar 2017 → …
Activity: Talks and presentations › Guest lectures, external teaching and course activities at other universities
Behandling af invagination hos børn mellem 2005 – 2015
Ellebæk, M. B. (Lecturer)
2017
Activity: Talks and presentations › Talks and presentations in private or public companies
Magnetic compression anastomosis (magnamosis) in long gap oesophageal atresia type A
Ellebæk, M. B. (Lecturer)
2017
Activity: Talks and presentations › Talks and presentations in private or public companies

PUCIA: Paediatric patients with Ulcerative Colitis undergoing ileal-pouch-anal anastomosis with J-pouch reconstruction. A Ph.d. study on surgical treatment options for paediatric patients with Ulcerative Colitis.
Baldursdóttir, R. D. (PhD student), Ellebæk, M. (Principal supervisor), Nielsen, R. G. (Co-supervisor) & Pakarinen, M. (Co-supervisor)
01/09/2024 → 01/06/2028
Project: PhD Project
MICRO-TRACK: The role of inflammation in peritonitis - microdialysis as a new tool for improved understanding and treatment of complications to diverticulitis and colorectal cancer surgery.
Khalaf, S. (PhD student), Ellebæk, M. (Principal supervisor), Lambertsen, K. L. (Co-supervisor) & Al-Najami, I. (Co-supervisor)
15/03/2025 → 14/03/2028
Project: PhD Project
AB-care: Anaerobic bacteremia; Clinical presentation, treatment response and outcome.
Agergaard, C. N. (Project participant), Ellebæk, M. (Principal supervisor), Justesen, U. S. (Supervisor), Bjørsum-Meyer, T. (Supervisor) & Gradel, K. O. (Supervisor)
01/11/2024 → 31/12/2027
Project: PhD Project
EAt: Esophageal atresia- A Ph.D study in improvement of surgical technique and patient experience.
Gill, E. M. (PhD student), Ellebæk, M. (Principal supervisor), Zachariassen, G. (Co-supervisor) & Hagander, L. (Co-supervisor)
01/04/2025 → …
Project: PhD Project
VACOR: Vacuum assisted closure versus on-demand relaparotomy in patients with fecal or diffuse peritonitis:  A multicenter randomized control trial  
Khalaf, S. (Project manager), Ellebæk, M. (PI), Rajabaleyan, P. (Project manager) & Vang, A. (Project participant)
01/09/2019 → …
Project: Research

Sacrococcygeale teratomer hos børn og unge
Rathe, M. & Ellebæk, M.
01/09/2022 → 31/08/2023
Course: Teaching and supervision › Supervision
ARM og livskvalitet
Ellebæk, M.
02/01/2023 → 01/07/2023
Course: Teaching and supervision › Supervision
Neuroendokrine tumorer hos børn og unge
Rathe, M. & Ellebæk, M.
01/09/2021 → 28/02/2022
Course: Teaching and supervision › Supervision
Anti-microfibrillar-associated protein 4 (Anti-MFAP4) injections in intestinal anastomoses. An animal experimental study
Ellebæk, M.
01/01/2021 → …
Course: Teaching and supervision › Supervision
Anastomosis reinforcement with a Poly-epsilon-caprolactone scaffold of the small intestine long-term consequences. An animal experimental study on pigs.
Ellebæk, M. & Qvist, N.
03/09/2018 → …
Course: Teaching and supervision › Supervision

Mark Ellebæk

Personal profile

Curriculum

Short summary CV

Fingerprint

Collaborations and top research areas from the last five years

Dive into details

Genital and urinary tract malformations, associated morbidity, and need for urogenital surgery among children with esophageal atresia: a retrospective cohort study

Impact of timing of ileostomy reversal and anastomotic leakage on bowel function and health-related quality of life following rectal cancer surgery: a cross-sectional study

Is anaerobic bacteraemia on the rise in Denmark? A 14-year population-based nationwide cohort study

Is anaerobic bacteraemia on the rise in Denmark? A 14-year population-based nationwide cohort study

Open versus robotic-assisted repair of midline ventral hernias with defect width 2–8 cm – a randomized clinical trial (OVER)

Early detection of anastomotic leakage after low anterior resection with intraperitoneal microdialysis a prospective multicenter study

Botox og EA samt Invagination og Meckels Divertikel

Klinisk lektor ved Laboratoriet for Kliniske Færdigheder

Behandling af invagination hos børn mellem 2005 – 2015

Magnetic compression anastomosis (magnamosis) in long gap oesophageal atresia type A

PUCIA: Paediatric patients with Ulcerative Colitis undergoing ileal-pouch-anal anastomosis with J-pouch reconstruction. A Ph.d. study on surgical treatment options for paediatric patients with Ulcerative Colitis.

MICRO-TRACK: The role of inflammation in peritonitis - microdialysis as a new tool for improved understanding and treatment of complications to diverticulitis and colorectal cancer surgery.

AB-care: Anaerobic bacteremia; Clinical presentation, treatment response and outcome.

EAt: Esophageal atresia- A Ph.D study in improvement of surgical technique and patient experience.

VACOR: Vacuum assisted closure versus on-demand relaparotomy in patients with fecal or diffuse peritonitis:  A multicenter randomized control trial

Sacrococcygeale teratomer hos børn og unge

ARM og livskvalitet

Neuroendokrine tumorer hos børn og unge

Anti-microfibrillar-associated protein 4 (Anti-MFAP4) injections in intestinal anastomoses. An animal experimental study

Anastomosis reinforcement with a Poly-epsilon-caprolactone scaffold of the small intestine long-term consequences. An animal experimental study on pigs.

Mark Ellebæk

Personal profile

Curriculum

Short summary CV

Fingerprint

Collaborations and top research areas from the last five years

Research output

Activities

Projects

Teaching & Supervision