Biomechanische Modellierung der Handwurzel

Eschweiler, Jörg; Allmendinger, Felix; Stromps, Jan-Philipp; Nick, Heinrich; Pallua, Norbert; Radermacher, Klaus

doi:10.1055/s-0034-1368246

Cited by 8 publications

(6 citation statements)

References 33 publications

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“…Some studies have reported a vacuum suction drainage combined with external xation for a safe, reliable, and effective treatment for severe wrist tuberculosis. This modality also effectively reduces the incidence of infection, promotes the functional reconstruction, shortens the wound healing time, and reduces the recurrence of tuberculosis [24].…”

Section: Discussionmentioning

confidence: 99%

Wrist Tuberculosis-experience From Eighteen Cases: A Retrospective Study

Zou

tan²,

guo

et al. 2020

Preprint

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Background Wrist tuberculosis is a rare disease, easy to cause misdiagnosis, delay treatment and lead to poor prognosis. In this study, the clinical manifestations, diagnosis, treatment and prognosis of 18 cases of wrist tuberculosis were analyzed retrospectively. Methods We conducted a retrospective study investigating tuberculosis of the wrist, diagnosed in 18 patients from August 2013 to November 2018. Puncture biopsy confirmed the diagnosis. The study includes 11 males and 7 females, and 8 left and 10 right wrists. The average age was 53.5 ± 18.3 years and ranged from 15 to 81 years. The disease course was 1 to 42 months, with an average of 15.1 ± 11.3 months. Eighteen patients were treated with surgery and chemotherapy, 3 patients with severe bone defect were treated with wrist fusion, and 15 patients were treated with focus removal. The Gartland and Werley score, DASH score, the range of motion (ROM), grip strength, and imaging examinations were used to evaluate the postoperative recovery of the patients. Results Eighteen patients were followed up for 15 to 77 months, with an average follow up of 39.7 ± 15.3 months. The ESR and CRP levels were normal for all patients after chemotherapy. No recurrence of tuberculosis was observed in any of the patients. Among the 15 focus removal, the Gartland and Werley scores at admission, two weeks of chemotherapy, 1 month after surgery, and the last follow-up were 21.73 ± 4.33, 18.60 ± 3.16,11.27 ± 2.79, and 5.07 ± 2.28, respectively; and DASH scores were 45.87 ± 5.58, 39.47 ± 4.72,22.67 ± 6.54, and 6.73 ± 2.94, respectively. The wrist range of motion (ROM) and grip strength improved significantly compared to those at admission. Among the three cases of wrist fusion, 2 were fixed with a steel plate and the fixation position of wrist joint was good. One case was fixed with Kirschner wire and resulted in a slightly deformed wrist joint. Conclusion For the patients with wrist tuberculosis, early diagnosis, preoperative and postoperative chemotherapy, thorough focus removal, and appropriate fixation of the affected limb can help restore the function of the affected wrist, reduce the recurrence rate, and improve the quality of life.

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Section: Discussionmentioning

confidence: 99%

Wrist Tuberculosis-experience From Eighteen Cases: A Retrospective Study

Zou

tan²,

guo

et al. 2020

Preprint

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“…6,27 Multiple theories 5,[29][30][31][32][33][34] have been proposed to explain intercarpal wrist motion; however, controversy exists concerning the degree and direction of motion of the individual carpal bones within the two carpal rows during different planes of motion. 15,[35][36][37] Concerning biomechanical modeling of natural joint systems, there exist two traditionally ways of creating a computational model of a physiological joint system: it could be based either on finite element analysis/finite element method (FEA/FEM) especially related to stress and strain analysis, and a multi-body simulation (MBS) approach related to kinematics, kinetics or forces acting in the joints, respectively. There are different studies related to FEA/FEM modeling of the wrist aiming at the calculation of stresses and deformations of the related anatomical structures.…”

Section: Existing Models and Their Limitationmentioning

confidence: 99%

“…6,27 Multiple theories 5,29–34 have been proposed to explain intercarpal wrist motion; however, controversy exists concerning the degree and direction of motion of the individual carpal bones within the two carpal rows during different planes of motion. 15,35–37…”

Section: Existing Models and Their Limitationmentioning

confidence: 99%

Development of a biomechanical model of the wrist joint for patient-specific model guided surgical therapy planning: Part 1

Eschweiler

Stromps

Fischer

et al. 2016

Proc Inst Mech Eng H

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An enhanced musculoskeletal biomechanical model of the wrist joint is presented in this article. The developed computational model features the two forearm bones radius and ulna, the eight wrist bones, the five metacarpal bones, and a soft tissue apparatus. Validation of the model was based on information taken from the literature as well as own experimental passive in vitro motion analysis of eight cadaver specimens. The computational model is based on the multi-body simulation software AnyBody. A comprehensive ligamentous apparatus was implemented allowing the investigation of ligament function. The model can easily patient specific personalized on the basis of image information. The model enables simulation of individual wrist motion and predicts trends correctly in the case of changing kinematics. Therefore, patient-specific multi-body simulation models are potentially valuable tools for surgeons in pre- and intraoperative planning of implant placement and orientation.

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“…Einleitung Bis heute sind einheitliche, evidenzbasierte Verfahren zur klinischen Diagnostik und Behandlung von Handgelenksinstabilitäten nicht eindeutig beschrieben [1]. Die therapeutische Befunderhebung erfolgt primär durch in der Literatur beschriebene Provokationstests, die allerdings meist auf biomechanischen Erkenntnissen basieren.…”

Section: Ergebnisse Der Umfrage Zur Befundung Und Behandlung Von Instunclassified

Ergebnisse der Umfrage zur Befundung und Behandlung von Instabilitäten des Handgelenks

Paries¹

2016

manuelletherapie

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Biomechanische Modellierung der Handwurzel

Abstract: Regarding the arising complex clinical problems, however, a valid biomechanical wrist joint model would be necessary as assistance, in order to improve the success of systematised therapies on the basis of computer-aided model-based planning and intervention.

Cited by 8 publications

References 33 publications

Wrist Tuberculosis-experience From Eighteen Cases: A Retrospective Study

Wrist Tuberculosis-experience From Eighteen Cases: A Retrospective Study

Development of a biomechanical model of the wrist joint for patient-specific model guided surgical therapy planning: Part 1

Ergebnisse der Umfrage zur Befundung und Behandlung von Instabilitäten des Handgelenks

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