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Special Issue of the 29th Annual Meeting of the European...
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Special Issue of the 29th Annual Meeting of the European Orthopaedic Research Society (EORS 2021)

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Biomedical Engineering".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 3224

Special Issue Editors

Dr. Gianluca Vadalà

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Guest Editor
Department of Orthopaedic and Trauma Surgery, University Campus Bio-Medico of Rome, 00128 Rome, Italy
Interests: spine biomechanics; intervertebral disc; sport medicine; knee; tissue regeneration; mesenchymal stem cells
Special Issues, Collections and Topics in MDPI journals
Dr. Biagio Zampogna

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Guest Editor
Department of Orthopedics and Trauma Surgery, Campus Bio-Medico University of Rome, 00128 Rome, Italy
Interests: orthopedic surgery; adult reconstruction; sports medicine
Dr. Fabrizio Russo

E-Mail Website
Guest Editor
Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University of Rome, 00128 Roma, Italy
Interests: spine; spine surgery; musculoskeletal system; orthopedic and trauma surgery; cartilage; osteoarthritis; joint reconstruction and replacement; tissue regeneration; stem cells
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Rocco Papalia

E-Mail Website
Guest Editor
Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University Hospital, Via Alvaro del Portillo 200, 00128 Rome, Italy
Interests: osteoarthritis; knee surgery; hip surgery; total hip reconstruction; regenerative medicine
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Vincenzo Denaro

E-Mail Website
Guest Editor
Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University Hospital, Via Alvaro del Portillo 200, 00128 Rome, Italy
Interests: spine; orthopedic and trauma surgery; sports medicine; joint replacement
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Orthopedics has been significantly affected by the introduction of new technologies and new materials.

The aim of this Special Issue is to cover the wide range of research lines developed by the members and collaborators of the European Orthopaedic Research Society (EORS) and other researchers within the field of Orthopedic research.

The main objective of the “Special Issue of the 29th Annual Meeting of the European Orthopaedic Research Society (EORS 2021)” is to publish outstanding papers presenting cutting-edge advances in the field of Orthopedics, promoting orthopedic and musculoskeletal research, including the fields of engineering, biology, and clinical research.

Indeed, the European Orthopaedic Research Society (EORS) has always had the aim to accelerate musculoskeletal discovery to improve health. The EORS 2021 Annual Meeting represents a reference point in the field of orthopedic and musculoskeletal research. Indeed, EORS 2021 provides a perfect forum to share knowledge and explore the latest trends in orthopedic science and surgery.

This Special Issue discusses current and future trends in the orthopedic field, highlighting the strengths and weaknesses and providing new intervention strategies offering the chance to leading scientists and researchers to advance treatments through innovation.

The main topics covered by this Special Issue are scientific contributions on the following research topics:

  • Biomaterials;
  • Arthroplasty;
  • Biomechanics;
  • Bone biology and pathophysiology;
  • Hand and shoulder;
  • Cartilage tissue engineering;
  • Sports medicine;
  • Trauma research;
  • Knee arthroplasty;
  • Orthopedic clinical research;
  • Disc degeneration and regeneration;
  • Trauma research;
  • Biosurfaces for bone implants;
  • 3D printing in orthopedic surgery;
  • Trauma research;
  • Tissue engineering;
  • Shoulder arthroplasty;
  • Spine;
  • Robotics, navigation, and virtual reality.

It is our pleasure to invite members and professionals of EORS, academic institutions, and research centers from around the world to submit their contributions to this Special Issue.

Dr. Gianluca Vadalà
Dr. Biagio Zampogna
Dr. Fabrizio Russo
Prof. Dr. Rocco Papalia
Prof. Dr. Vincenzo Denaro
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biomaterials
  • arthroplasty
  • biomechanics
  • bone biology and pathophysiology
  • hand and shoulder
  • cartilage tissue engineering
  • sports medicine
  • trauma research
  • knee arthroplasty
  • orthopedic clinical research
  • disc degeneration and regeneration
  • trauma research
  • biosurfaces for bone implants
  • 3D printing in orthopedic surgery
  • trauma research
  • tissue engineering
  • shoulder arthroplasty
  • spine
  • robotics, navigation, and virtual reality

Published Papers (2 papers)

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Research

11 pages, 1608 KiB  
Article
The Role of Knee Flexors Hypertonia in the Decision-Making of Hamstring Lengthening Surgery for Individuals with Cerebral Palsy
by Faustyna Manikowska, Sabina Brazevič, Marek Jóźwiak and Maria K. Lebiedowska
Appl. Sci. 2022, 12(18), 9210; https://doi.org/10.3390/app12189210 - 14 Sep 2022
Viewed by 1063
Abstract
Popliteal angle (PA) and the knee position at the end of the swing phase during walking (Kts) are considered criteria for treatment selection and outcome prediction of hamstring lengthening surgery in individuals with cerebral palsy (CP). However, the relationships among K [...] Read more.
Popliteal angle (PA) and the knee position at the end of the swing phase during walking (Kts) are considered criteria for treatment selection and outcome prediction of hamstring lengthening surgery in individuals with cerebral palsy (CP). However, the relationships among Kts, PA, and hypertonia are not clear. This study aimed to determine whether hamstrings hypertonia affects the values of PA and Kts, and how it may affect the hamstring lengthening decision for CP. One hundred and twenty-six subjects with CP (male = 72, female = 54; age = 11.1 ± 3.9 years) underwent gait analysis and examination of hamstrings hypertonia (Tardieu scale) and length (PA). We found that Kts increased with PA (Kts = 5.00 + 0.31 × PA (r = 0.39; p < 0.001)). Every 10° change of PA leads to 3° improvement of knee position in walking. Kts were larger (p < 0.001) in the limbs with (20.40 ± 11.27°) than without (15.60 ± 9.99°) knee flexors hypertonia (Tardieu slow); and were larger (p < 0.001) in the limbs with (20.39 ± 11.01°) than without (14.85 ± 9.89°) knee flexors hypertonia (Tardieu fast). PAs were larger (p < 0.05) in the limbs with (42.81 ± 12.66°) than without (38.96 ± 14.38°) hypertonia (Tardieu fast). Kts = 13.93° and PA = 30° were cutoff values of the presence of hypertonia with sensitivities of 75.0% and 89.1%, respectively. Kts increased with the PA in ambulatory CP. It is estimated that pathological increase of Kts occurs at PA ≥ 40°. The hypertonia of knee flexors affected Kts and PA. The presence of knee flexors hypertonia should be considered in the decision-making of hamstring lengthening for individuals with CP if Kts ≥ 13.93° and PA ≥ 30°. Full article
(This article belongs to the Special Issue Special Issue of the 29th Annual Meeting of the European Orthopaedic Research Society (EORS 2021))
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7 pages, 1241 KiB  
Communication
How the Direction of Screws Affects the Primary Stability of a Posterior Malleolus Osteosynthesis under Torsional Loading: A Biomechanical Study
by Felix Christian Kohler, Philipp Schenk, Paul Koehler, Britt Wildemann, Gunther Olaf Hofmann, Steffen Derlien, Uta Biedermann, Isabel Graul and Jakob Hallbauer
Appl. Sci. 2022, 12(8), 3833; https://doi.org/10.3390/app12083833 - 11 Apr 2022
Viewed by 1033
Abstract
Insufficient fixation of a posterior malleolus fracture (PM) can lead to posttraumatic complications such as osteoarthritis and chronic pain. The purpose of this biomechanical study was to test the hypothesis of whether the direction of PM screw fixation has an impact on the [...] Read more.
Insufficient fixation of a posterior malleolus fracture (PM) can lead to posttraumatic complications such as osteoarthritis and chronic pain. The purpose of this biomechanical study was to test the hypothesis of whether the direction of PM screw fixation has an impact on the primary stability of osteosynthesis of a PM under torsional loading. PM fractures of 7 pairs human cadaveric lower leg specimens were stabilized with posterior to anterior (p.a.) or anterior to posterior (a.p.) screw fixation. Stability of the osteosynthesis was biomechanically tested using cyclic external torsional loading levels, in 2 Nm steps from 2 Nm up to 12 Nm, under constant monitoring with 3D ultrasonic marker (Zebris). The primary stability does not differ between both stabilizations (p = 0.378) with a medium effect size (η2p = 0.065). The movement of the PM tends to be marginally greater for the osteosynthesis with a.p. screws than with p.a. screws. Whether a.p. screws or the alternative p.a. screw fixation is performed does not seem to have an influence on the primary stability of the osteosynthesis of the PM fixation under torsional loading. Although osteosynthesis from posterior seems to be more stable, the biomechanical results in the torsional test show quite equivalent stabilities. If there is no significant dislocation of the PM, a.p. screw fixation could be a minimally invasive but stable surgical strategy. Full article
(This article belongs to the Special Issue Special Issue of the 29th Annual Meeting of the European Orthopaedic Research Society (EORS 2021))
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