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1
Content available Comparison of results of ACL reconstruction using LARS method and autogenous ST/GR graft
Płocki Jędrzej, Pelikan Piotr, Bejer Agnieszka, Granek Arkadiusz, Krawczyk-Suszek Marlena, Kotela Ireneusz
Acta of Bioengineering and Biomechanics
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2019
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Vol. 21, no. 1
113--119
EN
The objective of the study was assessment of the function of the knee joint after ACL reconstruction using the LARS method and autogenous graft. The study was of a retrospective character and included 96 patients who had undergone reconstruction of the torn ACL. The study was conducted within 36–48 months after surgery. Methods: In order to compare the results of the ACL reconstruction performed with 2 types of grafts, the following instruments were used: Lysholm Knee Scoring Scale, SF 36v2 questionnaire for assessment of health-related quality of life, and Biodex System 4 for isokinetic muscle testing. Results: No differences in the evaluation of the quality of life measured using SF 36v2 questionnaire were observed between the LARS and ST GR groups. Using the Lysholm Scale, the distribution of knee function scores was compared according to the type of surgery. There are no grounds to confirm the differences in the distribution of knee function scores considering the type of graft ( p = 0.756). Isokinetic test showed a significant weakening of muscle strength in the operated limb, compared to the strength of the healthy limb. Conclusions: The type of graft used for ACL reconstruction does not exert an effect on the quality of life of patients or the level of their knee joint function. Extensor and flexor muscles strength of the knee joint was lower in the operated limb, irrespective of the type of graft used. Weak relationships were observed between the level of knee joint function and extensor muscle strength of this joint.
2
Content available Kinematic analysis of CPM machine supporting to rehabilitation process after surgical knee arthroscopy and arthroplasty
Trochimczuk R., Kuźmierowski T.
International Journal of Applied Mechanics and Engineering
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2014
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Vol. 19, no. 4
841--848
EN
Existing commercial solutions of the CPM (Continuous Passive Motion) machines are described in the paper. Based on the analysis of existing solutions we present our conceptual solution to support the process of rehabilitation of the knee joint which is necessary after arthroscopic surgery. For a given novel structure we analyze and present proprietary algorithms and the computer application to simulate the operation of our PCM device. In addition, we suggest directions for further research.
3
Content available remote Application of Rule Induction and Rough Sets to Verification of Magnetic Resonance Diagnosis
Słowiński K., Stefanowski J., Siwiński D.
Fundamenta Informaticae
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2002
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Vol. 53, nr 3,4
345-363
EN
We discuss a process of analysing medical diagnostic data by means of the combined rule induction and rough set approach. The first step of this analysis includes the use of various techniques for discretization of numerical attributes. Rough sets theory is applied to determine attribute importance for the patients' classification. The novel contribution concerns considering two different algorithms inducing either minimum or satisfactory set of decision rules. Verification of classification abilities of these rule sets is extended by an examination of sensitivity and specificity measures. Moreover, a comparative study of these composed approaches against other learning systems is discussed. The approach is illustrated on a medical problem concerning anterior cruciate ligament (ACL) rupture in a knee. The patients are described by attributes coming from anamnesis, MR examinations and verified by arthroscopy. The clinical impact of our research is indicating two attributes (PCL index, age) and their specific values that could support a physician in resigning from performing arthroscopy for some patients.
4
Content available Próba zastosowania artroskopii w diagnostyce wybranych schorzeń stawu skroniowo-żuchwowego
Wróbel J., Cieślik T., Habelak M., Przybylek B., Przybylek K.
Inżynieria Biomateriałów
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2001
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R. 4, nr 17-19
34-35
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