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Giannakou E, Fotiadou S, Gourgoulis V, Mavrommatis G, Aggelousis N. A Comparative Analysis of Symmetry Indices for Spatiotemporal Gait Features in Early Parkinson's Disease. Neurol Int 2023; 15:1129-1139. [PMID: 37755361 PMCID: PMC10535875 DOI: 10.3390/neurolint15030070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 08/19/2023] [Accepted: 09/05/2023] [Indexed: 09/28/2023] Open
Abstract
This study compared the five most commonly used equations for calculating gait symmetry in discrete variables among Parkinson's disease patients. Twelve patients (five women and seven men) performed ten consecutive gait trials on a 10 m walkway. Gait data were collected using eight optoelectronic cameras (100 fr/s). The analysis focused on various spatiotemporal parameters, including cadence, step time, stride time, single support, double support, walking speed, step length, stride length, step width, and foot angle. Five symmetry indices were calculated for each trial rather than averaging the ten recorded trials. The variability in and reliability of each symmetry equation were assessed using the coefficient of variation (CV) and intraclass correlation coefficient (ICC), respectively. Additionally, Bland-Altman plots were produced to visualize the agreement between each pair of methods for each spatiotemporal parameter. The results revealed that the symmetry ratio method exhibited lower variability and higher reliability compared with the other four indices across all spatiotemporal gait parameters. However, it was found that the reliability of a single trial was generally poor, regardless of the symmetry calculation formula used. Therefore, we recommend basing measurements of gait asymmetry in Parkinson's disease on multiple trials.
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Affiliation(s)
- Erasmia Giannakou
- Department of Physical Education and Sport Science, School of Physical Education and Sport Science, Democritus University of Thrace, 69100 Komotini, Greece; (E.G.); (S.F.); (V.G.)
| | - Styliani Fotiadou
- Department of Physical Education and Sport Science, School of Physical Education and Sport Science, Democritus University of Thrace, 69100 Komotini, Greece; (E.G.); (S.F.); (V.G.)
- Neurology Department, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Vassilios Gourgoulis
- Department of Physical Education and Sport Science, School of Physical Education and Sport Science, Democritus University of Thrace, 69100 Komotini, Greece; (E.G.); (S.F.); (V.G.)
| | - Georgios Mavrommatis
- Department of Physical Education and Sport Science, School of Physical Education and Sport Science, Aristotle University of Thessaloniki, 57001 Thessaloniki, Greece;
| | - Nikolaos Aggelousis
- Department of Physical Education and Sport Science, School of Physical Education and Sport Science, Democritus University of Thrace, 69100 Komotini, Greece; (E.G.); (S.F.); (V.G.)
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Karatzetzou S, Tsiptsios D, Sousanidou A, Fotiadou S, Christidi F, Kokkotis C, Gkantzios A, Stefas E, Vlotinou P, Kaltsatou A, Aggelousis N, Vadikolias K. Copeptin Implementation on Stroke Prognosis. Neurol Int 2023; 15:83-99. [PMID: 36648972 PMCID: PMC9844286 DOI: 10.3390/neurolint15010008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/02/2023] [Accepted: 01/11/2023] [Indexed: 01/18/2023] Open
Abstract
Predicting functional outcome following stroke is considered to be of key importance in an attempt to optimize overall stroke care. Although clinical prognostic tools have been widely implemented, optimal blood biomarkers might be able to yield additional information regarding each stroke survivor's propensity for recovery. Copeptin seems to have interesting prognostic potential poststroke. The present review aims to explore the prognostic significance of copeptin in stroke patients. Literature research of two databases (MEDLINE and Scopus) was conducted to trace all relevant studies published between 16 February 2012 and 16 February 2022 that focused on the utility of copeptin as a prognostic marker in acute stroke setting. 25 studies have been identified and included in the present review. The predictive ability of copeptin regarding both functional outcome and mortality appears to be in the range of established clinical variables, thus highlighting the added value of copeptin evaluation in stroke management. Apart from acute ischemic stroke, the discriminatory accuracy of the biomarker was also demonstrated among patients with transient ischemic attack, intracerebral hemorrhage, and subarachnoid hemorrhage. Overall, copeptin represents a powerful prognostic tool, the clinical implementation of which is expected to significantly facilitate the individualized management of stroke patients.
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Affiliation(s)
- Stella Karatzetzou
- Neurology Department, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Dimitrios Tsiptsios
- Neurology Department, Democritus University of Thrace, 68100 Alexandroupolis, Greece
- Correspondence: ; Tel.: +30-6944320016
| | - Anastasia Sousanidou
- Neurology Department, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Styliani Fotiadou
- Neurology Department, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Foteini Christidi
- Neurology Department, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Christos Kokkotis
- Department of Physical Education and Sport Science, Democritus University of Thrace, 69100 Komotini, Greece
| | - Aimilios Gkantzios
- Neurology Department, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Eleftherios Stefas
- Neurology Department, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Pinelopi Vlotinou
- Neurology Department, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Antonia Kaltsatou
- FAME Laboratory, Department of Physical Education and Sport Science, University of Thessaly, 42100 Trikala, Greece
| | - Nikolaos Aggelousis
- Department of Physical Education and Sport Science, Democritus University of Thrace, 69100 Komotini, Greece
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Fotiadou S, Aggeloussis N, Gourgoulis V, Malliou P, Papanas N, Giannakou E, Iliopoulos I, Vadikolias K, Terzoudi A, Piperidou H. Reproducibility of gait kinematics and kinetics in chronic stroke patients. NeuroRehabilitation 2018; 42:53-61. [PMID: 29400674 DOI: 10.3233/nre-172195] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND The search for reliable techniques to assess gait in stroke patients is crucial for the design and follow-up of rehabilitation programs. OBJECTIVE To assess the reproducibility of kinematic and kinetic gait parameters in chronic stroke patients using a three-dimensional gait analysis system. METHODS Ten chronic stroke patients were assessed while walking along a 20 m walkway at their natural speed, using a gait analysis system of six infrared cameras and two force plates. Each patient performed 10 gait trials on 2 separate days. Inter-measurement agreement was assessed with the Coefficient of Multiple Correlation, while Root Mean Square Differences were used to quantify the variability of the trials. RESULTS The majority of kinetics and kinematics showed excellent reproducibility in all patients. Joints' power seemed to be more reliable compared with joints' angle and moment. Most parameters presented greater variability in non-paretic than the paretic leg, while they were less variable in the sagittal compared with the non-sagittal planes. Less than 10 trials were sufficient to obtain excellent reproducibility for most kinematic and kinetic parameters. CONCLUSIONS The reproducibility of movement assessment through three-dimensional gait analysis appears excellent in chronic stroke patients.
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Affiliation(s)
- Styliani Fotiadou
- Department of Neurology, Democritus University of Thrace, Alexandroupolis, Greece.,Department of Physical Education and Sport Science, Democritus University of Thrace, Komotini, Greece
| | - Nikolaos Aggeloussis
- Department of Physical Education and Sport Science, Democritus University of Thrace, Komotini, Greece
| | - Vassilios Gourgoulis
- Department of Physical Education and Sport Science, Democritus University of Thrace, Komotini, Greece
| | - Paraskevi Malliou
- Department of Physical Education and Sport Science, Democritus University of Thrace, Komotini, Greece
| | - Nikolaos Papanas
- Second Department of Internal Medicine, Democritus University of Thrace, Alexandroupolis, Greece
| | - Erasmia Giannakou
- Department of Physical Education and Sport Science, Democritus University of Thrace, Komotini, Greece
| | - Ioannis Iliopoulos
- Department of Neurology, Democritus University of Thrace, Alexandroupolis, Greece
| | | | - Aikaterini Terzoudi
- Department of Neurology, Democritus University of Thrace, Alexandroupolis, Greece
| | - Haritomeni Piperidou
- Department of Neurology, Democritus University of Thrace, Alexandroupolis, Greece
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Fotiadou S, Karageorgaki C, Chrissopoulou K, Karatasos K, Tanis I, Tragoudaras D, Frick B, Anastasiadis SH. Structure and Dynamics of Hyperbranched Polymer/Layered Silicate Nanocomposites. Macromolecules 2013. [DOI: 10.1021/ma302405q] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- S. Fotiadou
- Institute of Electronic Structure
and Laser, Foundation for Research and Technology—Hellas, P.O. Box 1527, 711 10 Heraklion, Crete, Greece
- Department of Chemical Engineering, Aristotle University of Thessaloniki, 541 24 Thessaloniki,
Greece
| | - C. Karageorgaki
- Institute of Electronic Structure
and Laser, Foundation for Research and Technology—Hellas, P.O. Box 1527, 711 10 Heraklion, Crete, Greece
- Department of Chemical Engineering, Aristotle University of Thessaloniki, 541 24 Thessaloniki,
Greece
| | - K. Chrissopoulou
- Institute of Electronic Structure
and Laser, Foundation for Research and Technology—Hellas, P.O. Box 1527, 711 10 Heraklion, Crete, Greece
| | - K. Karatasos
- Department of Chemical Engineering, Aristotle University of Thessaloniki, 541 24 Thessaloniki,
Greece
| | - I. Tanis
- Department of Chemical Engineering, Aristotle University of Thessaloniki, 541 24 Thessaloniki,
Greece
| | - D. Tragoudaras
- Department of Chemical Engineering, Aristotle University of Thessaloniki, 541 24 Thessaloniki,
Greece
| | - B. Frick
- Institut Laue Langevin (ILL), 6 rue Jules Horowitz, F38042 Grenoble, France
| | - S. H. Anastasiadis
- Institute of Electronic Structure
and Laser, Foundation for Research and Technology—Hellas, P.O. Box 1527, 711 10 Heraklion, Crete, Greece
- Department of Chemistry, University of Crete, P.O. Box 2208, 710 03 Heraklion
Crete, Greece
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Chrissopoulou K, Andrikopoulos KS, Fotiadou S, Bollas S, Karageorgaki C, Christofilos D, Voyiatzis GA, Anastasiadis SH. Crystallinity and Chain Conformation in PEO/Layered Silicate Nanocomposites. Macromolecules 2011. [DOI: 10.1021/ma201711r] [Citation(s) in RCA: 92] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- K. Chrissopoulou
- Institute of Electronic Structure and Laser, Foundation for Research and Technology - Hellas, P.O. Box 1527, 711 10 Heraklion Crete, Greece
| | - K. S. Andrikopoulos
- Physics Division, School of Technology, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - S. Fotiadou
- Institute of Electronic Structure and Laser, Foundation for Research and Technology - Hellas, P.O. Box 1527, 711 10 Heraklion Crete, Greece
- Department of Chemical Engineering, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - S. Bollas
- Institute of Electronic Structure and Laser, Foundation for Research and Technology - Hellas, P.O. Box 1527, 711 10 Heraklion Crete, Greece
| | - C. Karageorgaki
- Institute of Electronic Structure and Laser, Foundation for Research and Technology - Hellas, P.O. Box 1527, 711 10 Heraklion Crete, Greece
- Department of Chemical Engineering, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - D. Christofilos
- Physics Division, School of Technology, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - G. A. Voyiatzis
- Institute of Chemical Engineering & High Temperature Chemical Processes, Foundation for Research and Technology - Hellas, P.O. Box 1414, 265 04 Patras, Greece
| | - S. H. Anastasiadis
- Institute of Electronic Structure and Laser, Foundation for Research and Technology - Hellas, P.O. Box 1527, 711 10 Heraklion Crete, Greece
- Department of Chemistry, University of Crete, P.O. Box 2208, 710 03 Heraklion Crete, Greece
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Fotiadou S, Chrissopoulou K, Frick B, Anastasiadis SH. Structure and dynamics of polymer chains in hydrophilic nanocomposites. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/polb.21974] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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