❭ Projects ❭ Cirro projects ❭

PROJECTS                                             

 

Outline of ongoing research projects-*

UNDER EX:

Hip projects 

  • Randomized study between operation with pins with or without plate for undisplaced dislocated femoral neck fracture. Radio stereogrammetric analysis (RSA) of stability and fracture healing and clinical endpoints. (The Pinloc Study)

 

  • Trochanteric fractures treated with sliding hip screw with or without trochanteric support plate 
     

     
  • Wear and different materials in hip arthroplasty
     
     
  • THR in patients under 20 years
     

Knee projects 
  
 

  • In vivo kinematics and performance of contemporary knee arthroplasty

 

  • Posterior stabilization in total knee prosthesis; the effect of three different constraining designs on implant stability, knee function, clinical outcome and implant survival. A double blind randomized clinical study

 

  • Uncemented kneearthroplasty with new implant designs and CT-based motionanalyses.

Pelvis and spine projects

 

    • Indication and treatment of degenerative adultspine correction osteotomies- INTRAKS

 

Ankle projects  
 

  •  Investigating acute Lisfranc injuries in the foot and a new surgical procedure. 

 

UPPER EX:

Hand projects 

  • StableTouch project. CMC1 Touch protese målt med CT RSA 
  • TWIST Study  -  Total Wrist Implant Stability Trial 

 

  •  A prospective randomized trial comparing two different wrist arthroplasties 
     
 
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Recent publications

Øhrn FD, Engseth LHW, Pripp AH, Frøseth Aae T, Schulz A, Schnell Husby O, Röhrl SM (2025)
Computed tomography-based radiostereometric analysis achieves sufficient precision for femoral implants in total knee arthroplasty: a randomized controlled trial
J Orthop Surg Res, 20 (1), 1043
DOI 10.1186/s13018-025-06517-1, PubMed 41316419

De Bondt MR, Øhrn FD, Engseth LHW, Schulz A, Kaptein BL, Röhrl SM, Heesterbeek PJC (2025)
Precision evaluation of 2 CT-based radiostereometric analysis systems in a cadaver study
Acta Orthop, 96, 867-872
DOI 10.2340/17453674.2025.44949, PubMed 41287575

Hansen MM, Ballo ML, Röhrl SM (2025)
Radiostereometric analysis for evaluating inducible fracture micromotion: a scoping review
Acta Orthop, 96, 822-827
DOI 10.2340/17453674.2025.44897, PubMed 41189425



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