University Medical Center Ulm

2 ARTICLES PUBLISHED IN JoVE

Medicine

In Vivo Evaluation of Fracture Callus Development During Bone Healing in Mice Using an MRI-compatible Osteosynthesis Device for the Mouse Femur

Melanie Haffner-Luntzer¹, Fabian Müller-Graf^1,4, Romano Matthys², Alireza Abaei³, René Jonas¹, Florian Gebhard⁴, Volker Rasche^*3, Anita Ignatius^*1

¹Institute of Orthopedic Research and Biomechanics, University Medical Center Ulm, ²RISystem, ³Core Facility Small Animal MRI, University Medical Center Ulm, ⁴Department of Traumatology, Hand-, Plastic-, and Reconstructive Surgery, University Medical Center Ulm

The evaluation of tissue development in the fracture callus during endochondral bone healing is essential to monitor the healing process. Here, we report the use of a magnetic resonance imaging (MRI)-compatible external fixator for the mouse femur to allow MRI scans during bone regeneration in mice.

Medicine

Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation

Ina Vernikouskaya¹, Wolfgang Rottbauer¹, Julia Seeger¹, Birgid Gonska¹, Jochen Wöhrle^*1, Volker Rasche^*1

¹Department of Internal Medicine II - Cardiology, Ulm University Medical Center

The aim of this study was to improve the co-registration for image fusion (IF) of pre-interventional CT data with real-time x-ray (XR) fluoroscopy during transfemoral transcatheter aortic valve implantation (TAVI).