Characterized chondrocyte implantation provides excellent results for cartilage defects .
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2013;1(2):194 Am J Sports Med. 2008 Feb;36(2):235-46118 patients presenting with symptomatic cartilage defects were included in the randomized control trial to determine the safety and efficacy of characterized chondrocyte implantation (CCI) treatment. Patients received either CCI or a microfracture procedure. Results from 18 month follow-up indicated that the CCI procedure demonstrated superior structural regeneration, while providing non-inferior functional outcomes.
Was the allocation sequence adequately generated?
Was allocation adequately concealed?
Blinding Treatment Providers: Was knowledge of the allocated interventions adequately prevented?
Blinding Outcome Assessors: Was knowledge of the allocated interventions adequately prevented?
Blinding Patients: Was knowledge of the allocated interventions adequately prevented?
Was loss to follow-up (missing outcome data) infrequent?
Are reports of the study free of suggestion of selective outcome reporting?
Were outcomes objective, patient-important and assessed in a manner to limit bias (ie. duplicate assessors, Independent assessors)?
Was the sample size sufficiently large to assure a balance of prognosis and sufficiently large number of outcome events?
Was investigator expertise/experience with both treatment and control techniques likely the same (ie.were criteria for surgeon participation/expertise provided)?
Oui = 1
Incertain = 0,5
Non pertinent = 0
Non = 0
L'évaluation des critères de rapport permet d'évaluer la transparence avec laquelle les auteurs rapportent les caractéristiques méthodologiques et les caractéristiques de l'essai dans la publication. L'évaluation est divisée en cinq catégories qui sont présentées ci-dessous.
3/4
Randomization
4/4
Outcome Measurements
4/4
Inclusion / Exclusion
4/4
Therapy Description
4/4
Statistics
Detsky AS, Naylor CD, O'Rourke K, McGeer AJ, L'Abbé KA. J Clin Epidemiol. 1992;45:255-65
L'indice de fragilité est un outil qui aide à l'interprétation des résultats significatifs, en fournissant une mesure de la force d'un résultat. L'indice de fragilité représente le nombre d'événements consécutifs qui doivent être ajoutés à un résultat dichotomique pour que le résultat ne soit plus significatif. Un petit nombre représente un résultat plus faible et un grand nombre un résultat plus fort.
Pourquoi cette étude était-elle nécessaire maintenant ?
The healing capacity of articular cartilage is poor. A number of regenerative techniques have been developed, in hopes of promoting natural regeneration and the restoration of natural pain free motion. Autologous CCI was one of the first regenerative techniques developed, and though a number of case studies have demonstrated positive results, there is still a lack of high level evidence. This study aimed to evaluate the safety and efficacy of CCI in a high quality RCT.
Quelle était la principale question de recherche ?
Is structural regeneration, using characterized chondrocyte implantation superior in terms of safety and efficacy to repair of symptomatic cartilage damage using microfracture?
- Structural regeneration was significantly greater in the CCI group than in the microfracture (p=0.003) and was also accompanied by a greater histology assessment score (p=0.012).
- CCI was found to be non-inferior in comparison to the microfracture technique in terms of average KOOS scores, which increased in both groups (70.56 +/- 12.39 and 72.63 +/- 15.55 at 6 months, 73.26 +/- 14.66 and 73.10 +/- 16.01 at 12 months, and 74.73 +/- 17.01 and 75.04 +/- 14.50 at 18 months, respectively)
- 88% of patients in the CCI group and 82% of patients in the microfracture group reported one or more adverse events; however, the majority of these events were mild, and difference between groups regarding the occurrence of adverse events not significant (p>0.05).
De quoi dois-je me souvenir en priorité ?
Characterized chondrocyte implantation provided superior structural regeneration, non-inferior functional outcomes, and similar short term clinical outcomes, when compared to the microfracture technique for patients suffering from symptomatic cartilage defects.
Comment cela affectera-t-il les soins prodigués à mes patients ?
This study suggests that characterized chondrocyte implantation is a safe and effective treatment for symptomatic cartilage defects. However, longer term follow ups are needed to confirm the findings.
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