No significant short-term difference on pain & function between photo-activated PRP and HA .
Questo studio è stato identificato come potenzialmente ad alto impatto.
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Ciò consente di riconoscere prima le ricerche clinicamente significative e aiuta i lettori a concentrarsi sugli articoli che hanno maggiori probabilità di influenzare la pratica futura.
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2016;4(21):11 BMC Musculoskelet Disord. 2016 Feb 9;17(1):6723 patients with mild-moderate knee osteoarthritis were randomized to three weekly intra-articular injections of either hyaluronic acid (HA; Synvisc Hylan G-F 20) or photo-activated platelet-rich plasma (PRP). The purpose of this study was to compare pain and functional outcome between the two groups at 4 and 12 week follow-up after the last injection. Efficacy outcomes included a visual analog scale (VAS) for pain, the Knee Injury and Osteoarthritis Outcome Scale (KOOS), the Knee Quality of Life 26-Item questionnaire (KQoL-26), the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and functional performance tests. Findings demonstrated no significant differences between groups at either 4 or 12 week follow-up for any outcome measures. Nonetheless, as this was a pilot study, the trial was underpowered to accurately assess comparative efficacy between treatment options.
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.
2/4
Aleatorización
3/4
Medición de resultados
4/4
Inclusión / exclusión
4/4
Descripción de la terapia
3/4
Estadísticas
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?
Injection therapies have been increasingly prominent within research regarding treatment of knee osteoarthritis, with numerous randomized controlled trials investigating the efficacy of various products. Of these, popular topics include viscosupplementation with hyaluronic acid, and platelet rich plasma. Specifically regarding PRP, the use of photo-activation has been suggested to possibly heighten efficacy. Nevertheless, there are no RCTs evaluating the use of photo-activated PRP in knee osteoarthritis.
Qual era la domanda di ricerca principale?
Are there any significant differences in effect on pain or function between intra-articular injections of photo-activated platelet-rich plasma and hyaluronic acid in patients with knee osteoarthritis, assessed over 3 month follow-up?
- There were no significant differences in VAS pain scores between the PRP group and the HA group at either 4 weeks (MD 1.90 [-13..80, 17.60]; p=0.79) or 12 weeks (MD 18.81 [-0.62, 38.24]; p=0.06).
- There were no significant differences in KOOS scores between the PRP group and the HA group for any subscale at 4 and 12 weeks(Symptoms, Pain, Function, Sport, QoL) (all p>0.05).
- There were no significant differences in KQoL-26 scores between the PRP group and the HA group for any subscale at 4 and 12 weeks (Physical, Activity, Emotional) (all p>0.05).
- There were no significant differences in the results of functional performance tests between the PRP group and the HA group at 4 and 12 weeks (all p>0.05).
Che cosa devo ricordare di più?
In the treatment of mild-moderate knee osteoarthritis, there were no significant differences in results at 4 and 12 week follow-up between three weekly intra-articular injections of photo-activated platelet-rich plasma and hyaluronic acid.
Come influenzerà l'assistenza ai miei pazienti?
The findings of this study suggest that short-term effects are similar between photo-activated platelet-rich plasma and hyaluronic acid injection therapies for symptomatic management and functional outcome in patients with mild-moderate knee osteoarthritis. Whether either therapy is truly efficacious in the treatment of this patient population is still unknown, given the mixed previous evidence of hyaluronic acid products in knee osteoarthritis treatment, the lack of placebo-controlled group in the current study, and the pilot nature of the trial. Therefore, additional randomized, placebo-controlled trials are necessary to more accurately quantify and compare the effects of these injection options in patients with knee osteoarthritis.
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