cartilage therapy
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2019 ◽  
Vol 7 (15) ◽  
pp. 2442-2453 ◽  
Author(s):  
Caoxin Tang ◽  
Brian D. Holt ◽  
Zoe M. Wright ◽  
Anne M. Arnold ◽  
Alexandra C. Moy ◽  
...  

Chemically functionalized graphene covalently reactsin situwith chondroitin sulfate to form an enhanced, injectable hydrogel for potential cartilage therapy.



2018 ◽  
Vol 156 (02) ◽  
pp. 160-167
Author(s):  
Daniel Körner ◽  
Philipp Kohler ◽  
Steffen Schröter ◽  
Aline Naumann ◽  
Markus Walther ◽  
...  

Abstract Background The aim of the study was to investigate parameters influencing the preoperative pain intensity in patients with osteochondral lesions of the ankle. The evaluation covered patient-related parameters such as age, sex, body mass index (BMI), as well as defect-related parameters, such as localisation, size and stage (according to the classification of the International Cartilage Repair Society [ICRS] and the Berndt-Harty-Loomer classification). We also examined the correlation between the different surgical techniques and additional factors, such as debridement of an impingement or stabilisation of the ankle on the one hand, and the preoperative pain intensity on the other. Material and Methods 259 patients with osteochondral lesions of the ankle were operated in 32 clinical centres between October 2014 and December 2016 and enrolled consecutively in the German Cartilage Registry (KnorpelRegister DGOU). 151 patients were available for analysis. The preoperative pain intensity was assessed at the time of surgery with online questionnaires, using the Numeric Rating Scale for pain (NRS). Results The median preoperative pain intensity in the complete study population (n = 151) was 3 (range 0 – 10). There was no correlation between the age and the preoperative pain intensity (ρ = − 0.06). Further, there was not detected a difference between the two genders according to the preoperative pain intensity (p = 0.31). In female patients a higher BMI correlated with a higher preoperative pain intensity (ρ = 0.16). Within the group of patients with a solitary treated talus lesion there was no difference according to the preoperative pain intensity between the different localizations of the defect (medial vs. lateral talus) (p = 0.82). Within the group of patients with a solitary treated talus or tibia lesion there was no correlation between the defective area or the lesion stage according to the ICRS classification on the one hand, and the preoperative pain intensity on the other (ρ = 0.09, and ρ = 0.04, respectively). According to the Berndt-Harty-Loomer classification a higher lesion stage (stage four and five) was associated with a higher preoperative pain intensity (ρ = 0.13). There was no difference according to the preoperative pain intensity between the group of patients that received a debridement of a bony or soft tissue impingement in addition to the cartilage therapy and the group of patients without this kind of additional therapy (p = 0.10). Further, there was no difference according to the preoperative pain intensity between the group of patients that received a stabilisation of the ankle joint in addition to the cartilage therapy and the group of patients without a stabilisation procedure (p = 0.83). Conclusion Osteochondral lesions of the ankle can be associated with a moderate and in some cases high pain intensity. In female patients a higher BMI is associated with a higher pain intensity. Further, a higher lesion stage according to the Berndt-Harty-Loomer classification is associated with a higher pain intensity, which highlights the clinical relevance of this classification.



2017 ◽  
Vol 2 (3) ◽  
pp. 2473011417S0003
Author(s):  
Hajo Thermann

Category: Ankle, Arthroscopy Introduction/Purpose: In recent years, the autologous matrix-induced chondrogenesis (AMIC) has established itself in the treatment of cartilage defects of the talus. In this prospective study, the 4-5 year results following arthroscopic AMIC technique at the Talus will be presented. Methods: 97 patients has been treated with this method from August 2009 until September. 48 patients (26 F, 22 M) with a mean age of 36.5 ± 3.9 years (15-69) and a BMI of 24.8 ± 3.9 (19.1 to 39.6) met the inclusion criteria. The Hannover scoring system (HSS) and VAS score for pain, function and satisfaction at baseline and 1 year (FU1), 2 years (FU2) and 4.4 years (FU3) postoperatively have been evaluated. Following arthroscopic exploration to control the inclusion criteria, the cartilage defect was debrided thoroughly. Subsequently, microfracturing has been performed with a special swan neck awls and then PRP was injected over the subchondral plate. Afterwards, covering of the defect area was carried out with the collagen matrix (AMIC) which was impregnated with PRP, which was then fixed with fibrin glue. Results: The HSS improved from 55.6 ± 12.18 baseline to 82.3 FU1 ± 15.64 (p <0.05 compared to baseline.), FU2 88.8 ± 7,43 (p <0,05 see to baseline) and FU3 89.7 ± 8.3 (p <0.05 compared to baseline) with a significant improvement over the entire period of p = 0.008. VAS for pain was 4 ± 2.74 at the Baseline and improved at FU1 to 7.8 ± 2.73 (p <0.05, compared to baseline.), FU2 8.9 ± 1.01 (p <0.05) and FU3 9.3 ± 1.26 (p <0.05) with a significant improvement over the entire period of p = 0.001. Similar results were observed in the VAS scores for function and satisfaction. There were no infections or surgical complications. Conclusion: The arthroscopic AMIC procedure also shows good mid-term results in treatment of cartilage defects of the talus. It is a promising and safe procedure in the cartilage therapy with a low complication rate through an arthroscopic surgery.



2016 ◽  
Vol 26 (3) ◽  
pp. 155-165 ◽  
Author(s):  
Sherry A. Johnson ◽  
David D. Frisbie
Keyword(s):  


2016 ◽  
Vol 22 (1) ◽  
pp. 15-33 ◽  
Author(s):  
BanuPriya Sridharan ◽  
Blanka Sharma ◽  
Michael S. Detamore


2015 ◽  
Vol 56 (4) ◽  
pp. 265-271 ◽  
Author(s):  
Chathuraka T. Jayasuriya ◽  
Qian Chen


2015 ◽  
Vol 3 (40) ◽  
pp. 7920-7929 ◽  
Author(s):  
Ethan L. H. Daley ◽  
Rhima M. Coleman ◽  
Jan P. Stegemann

Cell-encapsulating microbeads containing a biomimetic chondroitin sulfate–chitosan polyelectrolyte complex for cartilage tissue engineering.



2012 ◽  
Vol 133 (3) ◽  
pp. 311-320 ◽  
Author(s):  
Stephan Vogt ◽  
Peter Angele ◽  
Markus Arnold ◽  
Kay Brehme ◽  
Matthias Cotic ◽  
...  


1995 ◽  
Vol 1 (4) ◽  
pp. 238-242 ◽  
Author(s):  
I. William Lane


1994 ◽  
Vol 1 (1) ◽  
pp. 35-37 ◽  
Author(s):  
Leon Sculti


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