PhD students at the Centre of Head and Orthopaedics

​The Centre of Head and Orthopaedics wish to offer its patient care and treatment at the highest international level. This goal can only be fulfilled with a strong focus on research and development. See a list of the PhD Students in the Centre and their project titles.

Anaesthesiology


Topic: Soft tissue infections | PhD student: Peter Vadim Polzik

Project title
Diagnostics and treatment of necrotizing soft tissue infections

Place of employment
Department of Anaesthesiology

Supervisor
Ole Hyldegaard



Topic: The initial treatment of trauma patients| PhD student: Josefine Stokholm Bækgaard

Project title
Oxygen Therapy for Trauma patients

Place of employment
Department of Anaesthesiology

Supervisor
Jacob Steinmetz



Topic: Mild traumatic brain injury | PhD student: Heidi Jeannet Graff

Project title
Long-term consequences of mild traumatic brain injury: labour market attachment, marital stability, academic achievement and socio-economic status.

Place of employment
Department of Anaesthesia

Supervisor
Ingrid Eugenie Egerod



Topic: Long-term outcomes of trauma | PhD student: Trine Grodum Eksesen

Project title
Long-term outcomes and (epi)genetic factors related to trauma

Place of employment
Department of Anaesthesia

Supervisor
Jacob Steinmetz



Topic: Subarachnoid haemorrhage | PhD student: Asger Sonne

Project title
Early prehospital recognition of spontaneous subarachnoid haemorrhage

Place of employment
Department of Anaesthesia

Supervisor
Lars S. Rasmussen


Breast surgery


Topic: Tailor-made axillary surgery in breast cancer | PhD student: Emil Villiam Holm-Rasmussen

Project title
Tailor-made surgery of the axilla in breast cancer patients with small cancers, microinvasive disease or ductal carcinoma in situ

Place of employment
Department of Plastic Surgery and Burns Treatment

Supervisor
Tove Holst Filtenborg Tvedskov


Head and neck diseases


Topic: Stam cells | PhD student: Charlotte Duch Lynggaard

Project title
Mesenchymal stem cells in head and neck disease

Place of employment
Department of Otorhinolaryngology, Head and Neck Surgery & Audiology

Supervisor
Christian Von Buchwald


Histopathalogy


Topic: Development of bilateral breast cancer | PhD student: Mathias Kvist Mejdahl

Project title
Synchronous bilateral breast cancer in Denmark 1978- 2014. Incidence, histo-pathologic characteristics, and prognosis

Place of employment
Department of Plastic Surgery and Burns Treatment

Supervisor
Niels Thorndahl Kroman


Micro surgery


Topic: Micro surgery and reconstruction | PhD student: Jens Hjermind Højvig

Project title
Optimising Microsurgical Reconstruction of Advanced Head and Neck Cancers - enhanced recovery and improved clinical pathway

Place of employment
Department of Plastic Surgery and Burns Treatment

Supervisor
Christian Torsten Bonde


Ophtalmology


Topic: Eye diseases effecting the sight and treatment | PhD student: Helene Jeppesen

Project title
OCULAR GRAFT VERSUS HOST DISEASE - Demographics, treatment with allogeneic serum eye drops and cytokine profile in tear fluid

Place of employment
Department of Ophthalmology

Supervisor
Steffen Heegaard



Topic: Macular hole treatment end Descernets membrane | PhD student: Mark Jensen Alberti

Project title
Evidence based positioning regimens for improving macular hole treatment and Descemets membrane endothelial keratoplasty

Place of employment
Department of Ophthalmology

Supervisor
Morten Dornonville de la Cour



Topic: Prediction of binocular problems | PhD student: Therese Grønhøj Krarup

Project title
New method to predict binocular problems after ocular surgery

Place of employment
Department of Ophthalmology

Supervisor
Morten Dornonville de la Cour



Topic: Cataract surgery | PhD student: Jesper Høiberg Erichsen

Project title
Optimizing safety and use of ressources in cataract surgery - a Ph.D.-thesis

Place of employment
Department of Ophthalmology

Supervisor
Line Kessel



Topic: Eye disorders in children - Eye studies | PhD student: Mathias Luka Hvidtfelt Hansen

Project title
Copenhagen Child Cohort 2000, the eye study: 2016 - Choroidal thickness and myopia in the Copenhagen Child Cohort 2000.

Place of employment
Department of Ophthalmology

Supervisor
Line Kessel




Topic: Virtual reality simulation in cataract surgery | PhD student: Mads Forslund Jacobsen

Project title
Efficacy of virtual-reality simulation for cataract surgery on patient outcomes

Place of employment
Department of Ophthalmology

Supervisor
Morten Dornonville de la Cour



Topic: Corneal endothelial progenitor cells | PhD student: Mette Hedegaard Correll

Project title
Identification, characterization and expansion of corneal endothelial progenitor cells

Place of employment
Department of Ophthalmology

Supervisor
Steffen Heegaard


Orthopedics


Topic: Early-onset scoliosis | PhD student: Casper Dragsted

Project title
Early-onset scoliosis - epidemiological aspects, classification and surgical treatment

Place of employment
Department of Orthopaedic Surgery

Supervisor
Poul Martin Gehrchen



Topic: Optimising knee surgey | PhD student: Christina Margrethe Holm

Project title
Comparison of Persona® uncemented total knee arthroplasty versus Persona® cemented total knee arthroplasty, In a randomized controlled trial using RSA and DEXA

Place of employment
Department of Orthopaedic Surgery

Supervisor
Michael Mørk Petersen



Topic: Scoliosis | PhD student: Sidsel Sofie Fruergaard

Project title
Adolescent Idiopathic Scoliosis - comorbidity, epidemiological aspect and surgical risk factors

Place of employment
Department of Orthopaedic Surgery

Supervisor
Poul Martin Gehrchen



Topic: Surgical treatment of Adult spinal deformity | PhD student: Tanvir Johanning Bari

Project title
Risk factors in surgical treatment of Adult spinal deformity - the role of surgical technique, biomechanics and existing sagittal imbalance

Place of employment
Department of Orthopaedic Surgery

Supervisor
Poul Martin Gehrchen



Topic: Wounds and recontruction | PhD student: Werner Herbert Hettwer

Project title
Prevention of prolonged wound drainage associated with endoprosthetic reconstruction after tumor resection involving the proximal femur

Place of employment
Department of Orthopaedic Surgery

Supervisor
Michael Mørk Petersen


Otology


Topic: Otosclerosis | PhD student: Lars Juul Hansen

Project title
Cellular patterns and irregularities in human perilabyrinthine bone

Place of employment
Department of Otorhinolaryngology, Head and Neck Surgery & Audiology

Supervisor
Mads Sølvsten Sørensen


Otorhinolaryngology


Topic: Cochlear Implants | PhD student: Niels West

Project title
Hearing and vestibular function after cochlear implantation of adults

Place of employment
Department of Otorhinolaryngology, Head and Neck Surgery & Audiology

Supervisor
Per Cayé-Thomasen



Topic: Cochlear Implantation and Pendred syndrome | PhD student: Kristianna Henrikke Mey

Project title
Challenges and outcome of cochlear implantation in Pendred syndrome/NSEVA (Non-syndromic Enlarged Vestibular Aqueduct) - relation between genetic profile, inner ear morphology and hearing.

Place of employment
Department of Otorhinolaryngology, Head and Neck Surgery & Audiology

Supervisor
Per Cayé-Thomasen



Topic: Sinus and lung infections | PhD student: Elisabeth Arndal

Project title
The interaction between sinus- and lung infections in patients with chronic obstructive pulmonary disease (COPD)

Place of employment
Department of Otorhinolaryngology, Head and Neck Surgery & Audiology

Supervisor
Christian Von Buchwald



Topic: Primary ciliary dyskinesia (PCD) | PhD student: Helene Elgaard Kobbernagel

Project title
Treatment and new outcome measures in primary ciliary dyskinesia

Place of employment
Department of Otorhinolaryngology, Head and Neck Surgery & Audiology

Supervisor
Christian Von Buchwald



Topic: Feasibilty of Urokinase | PhD student: Kirstine Kim Schmidt Karnov

Project title
Feasibilty of Urokinase---type plasminogen activator receptor (uPAR)---targeted PET imaging for staging of patients with head and neck squamous cell carcinoma (SSC) and the relation between uPAR and integrin avß6 in oral SSC.

Place of employment
Department of Otorhinolaryngology, Head and Neck Surgery & Audiology

Supervisor
Christian Von Buchwald



Topic: Vestibular Schwannoma | PhD student: Hjalte Christian R. S. Frandsen

Project title
RGD PET/MRI in sporadic Vestibular Schwannoma

Place of employment
Department of Otorhinolaryngology, Head and Neck Surgery & Audiology

Supervisor
Per Cayé-Thomasen



Topic: Patient involvement | PhD student: Annelise Mortensen

Project title
Needs assessment and decision-making tool (NEAT-decision) integrated in clinical practice to enhance patient involvement in Head and Neck Cancer Rehabilitation - a comparative controlled trial

Place of employment
Department of Otorhinolaryngology, Head and Neck Surgery & Audiology

Supervisor
Mary Ellen Jarden



Topic: Virtual reality simulation in surgey | PhD student: Martin Frendø-Sørensen

Project title
Perspectives in virtual reality simulation in temporal bone surgery

Place of employment
Department of Otorhinolaryngology, Head and Neck Surgery & Audiology

Supervisor
Mads Sølvsten Sørensen



Topic: Stem cells in Head and Neck diseases | PhD student: Charlotte Lynggaard

Project title
Mesenchymal stem cells for radiation-induced xerostomia after oropharynx cancer.

Place of employment
Department of Otorhinolaryngology, Head and Neck Surgery & Audiology

Supervisor
Christian Von Buchwald


Physiotherapy


Topic: Spine surgery and physiotherapy | PhD student: Heidi Tegner

Project title
The effect of an early rehabilitation-intervention consisting of a Cognitive Behavioral treatment to patients after lumbar spinal fusion measured on physical activity, pain-level, and fear of movement

Place of employment
Department of occupational and physiotherapy & Center for Rheumatology and Spine Diseases

Supervisor
Bente Appel Esbensen, Rachid Bech-Azeddine


Rheumatology


Topic: Lupus and Risk factors | PhD student: Henrik Christian Bidstrup Leffers

Project title
Genetic and Environmental Risk Factors for Systemic Lupus Erythematosus in a Nationwide Population Study

Place of employment
Center for Rheumatology and Spine Diseases

Supervisor
Søren Jacobsen



Topic: Rheumatoid arthritis | PhD student: Kathrine Lederballe Grøn

Project title
Efficacy and safety of biological treatments in rheumatoid arthritis

Place of employment
Center for Rheumatology and Spine Diseases, Copecare

Supervisor
Merete Hetland



Topic: Axial spondyloarthritis | PhD student: Simon Krabbe

Project title
Remission in patients with axial spondyloarthritis

Place of employment
Center for Rheumatology and Spine Diseases, Copecare

Supervisor
Mikkel Østergaard



Topic: Diagnosis and management of gout | PhD student: Sara Nysom Christiansen

Project title
Ultrasonography for optimized diagnosis and management of gout 

Place of employment
Center for Rheumatology and Spine Diseases, Copecare

Supervisor
Mikkel Østergaard



Topic: Biological treasments and axial spondyloarthritis | PhD student: Marie Wetterslev

Project title
Dose adjustment of biological treatment in patients with axial spondyloarthritis - the DOBIS study

Place of employment
Center for Rheumatology and Spine Diseases, Copecare

Supervisor
Mikkel Østergaard



Topic: Rheumatoid Arthrtitis and smoking cessation | PhD student: Ida Kristiane Roelsgaard

Project title
REU-STOP; the effect of intensive smoking cessation program on disease activity in patients with rheumatoid arthritis

Place of employment
Center for Rheumatology and Spine Diseases, Copecare

Supervisor
Bente Appel Esbensen



Topic: Gout and comorbidities | PhD student: Kristian Zobbe

Project title
The Gout Epidemic - Focus on Comorbidities

Place of employment
Center for Rheumatology and Spine Diseases, Parker Institut

Supervisor
Lars Erik Kristensen



Topic: Rheumatoid arthritis and sleep | PhD student: Kristine Marie Latocha

Project title
Sleep-RA. Health significance of sleep in patients with rheumatoid arthritis

Place of employment
Center for Rheumatology and Spine Diseases, Copecare

Supervisor
Bente Appel Esbensen



Topic: Rheumatoid Arthritis | PhD student: Sabine Sparre Dieperink

Project title
Risk and outcome of invasive bacterial infections among patients with rheumatoid arthritis

Place of employment
Center for Rheumatology and Spine Diseases, Copecare

Supervisor
Merete Lund Hetland



Topic: Periferal psoriatic arthritis | PhD student: Sara Kamp Felbo

Project title
Characterization and monitoring of different phenotypes of peripheral psoriatic arthritis by modern imaging – and their impact on physical and psychological aspects of patients’ lives

Place of employment
Center for Rheumatology and Spine Diseases, Copecare

Supervisor
Mikkel Østergaard



Topic: Axial spondyloarthritis | PhD student: Sengül Seven

Project title
MR findings in the sacroiliac joints and spine for differentiation of patients with axial spondyloarthritis from patients with other conditions.

Place of employment
Center for Rheumatology and Spine Diseases, Copecare

Supervisor
Mikkel Østergaard



Rhinology 


Topic: Sinonasal cardinomas | PhD student: Sannia Mia Svenningsen Sjöstedt

Project title
Sinonasal carcinomas: histology, genomics, outcome, and relation to sinonasal papillomas

Place of employment
Department of Otorhinolaryngology, Head and Neck Surgery & Audiology

Supervisor
Christian Von Buchwald



Spine diseases and surgery


Topic: Spine surgery and adverse advents | PhD student: Stian Iversen Solumsmoen

Project title
Complications, outcome and impact of spine surgery the role of patient reported outcome and adverse events

Place of employment
Center for Rheumatology and Spine Diseases

Supervisor
Rachid Bech-Azeddine





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