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)?
Sí = 1
Incierto = 0,5
No relevante = 0
No = 0
La evaluación de los criterios de información evalúa la transparencia con la que los autores informan de las características metodológicas y del ensayo dentro de la publicación. La evaluación se divide en cinco categorías que se presentan a continuación.
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
El Índice de Fragilidad es una herramienta que ayuda en la interpretación de hallazgos significativos, proporcionando una medida de fuerza para un resultado. El Índice de Fragilidad representa el número de eventos consecutivos que es necesario añadir a un resultado dicotómico para que el hallazgo deje de ser significativo. Un número pequeño representa un hallazgo más débil y un número grande un hallazgo más fuerte.
¿Por qué se necesitaba ahora este estudio?
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.
¿Cuál era la pregunta principal de la investigación?
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).
¿Qué es lo que más debo recordar?
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.
¿Cómo afectará esto al cuidado de mis pacientes?
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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