Universität zu Köln

Wegmann, K., Ott, N., Hackl, M., Leschinger, T., Uschok, S., Harbrecht, A., Knifka, J. and Mueller, L. P. (2020). Simulation of life-like distal humerus and olecranon fractures in fresh frozen human cadaveric specimens. Obere Extremitaet-Schulter-Ellenbogen-Hand, 15 (2). S. 137 - 142. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1862-6602

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Abstract

Background Economic burden and personnel shortages lead to a reduction in the time spent on surgical training of young resident physicians. This underlines the importance of courses for learning and optimizing surgical skills. Particularly for orthopaedic trauma surgery, training on fractured cadaveric specimens has proven highly useful. The present study investigates a method to induce realistic fracture patterns in fresh frozen elbow specimens, leaving the skin and soft tissue envelope intact. Methods For fracture simulation, 10 human cadaveric specimens with intact soft tissue envelopes were placed in 90 degrees flexion in a custom-made high-impact test bench and compressed by an impactor. The fractures were subsequently classified using conventional x-rays. Results Of the 10 specimens, 6 could be classified as distal humerus fractures and 4 as olecranon fractures. The fractures of the distal humerus were mainly type C according to Arbeitsgemeinschaft Osteosynthesefragen (AO) criteria, the olecranon fractures were mainly type IIB according to the Mayo classification. Subsequently, all 10 specimens would have been appropriate for use in musculoskeletal trauma courses. Conclusion With the given setup it was possible to induce realistic fracture patterns in fresh frozen cadaveric specimens. The advantage of the presented technique lies in the preservation of soft tissue. With their intact soft tissue envelopes, these pre-fractured preparations could be used in courses to precisely train resident physicians directly on human cadaver preparations. Further research should focus on finding reliable predictors to improve the precision of fracture induction in specimens.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Wegmann, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ott, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hackl, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Leschinger, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Uschok, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Harbrecht, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Knifka, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mueller, L. P. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-334226
DOI:	10.1007/s11678-020-00573-1
Journal or Publication Title:	Obere Extremitaet-Schulter-Ellenbogen-Hand
Volume:	15
Number:	2
Page Range:	S. 137 - 142
Date:	2020
Publisher:	SPRINGER HEIDELBERG
Place of Publication:	HEIDELBERG
ISSN:	1862-6602
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SURGERY; INJURY Multiple languages Orthopedics Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/33422