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)?
Sì = 1
Incerto = 0,5
Non rilevante = 0
No = 0
La valutazione dei criteri di segnalazione valuta la trasparenza con cui gli autori riportano le caratteristiche metodologiche e sperimentali dello studio all'interno della pubblicazione. La valutazione è suddivisa in cinque categorie che vengono presentate di seguito.
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 di Fragilità è uno strumento che aiuta l'interpretazione dei risultati significativi, fornendo una misura della forza di un risultato. L'Indice di Fragilità rappresenta il numero di eventi consecutivi che devono essere aggiunti a un risultato dicotomico per rendere il risultato non più significativo. Un numero piccolo rappresenta un risultato più debole, mentre un numero grande rappresenta un risultato più forte.
Perché questo studio era necessario ora?
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.
Qual era la domanda di ricerca principale?
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).
Che cosa devo ricordare di più?
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.
Come influenzerà l'assistenza ai miei pazienti?
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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