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Randomized Controlled Trial
. Mar-Apr 2014;82(2):163-9.

[Platelet Rich Plasma Versus Oral Paracetamol for the Treatment of Early Knee Osteoarthritis. Preliminary Study]

[Article in Spanish]
Affiliations
  • PMID: 25312315
Randomized Controlled Trial

[Platelet Rich Plasma Versus Oral Paracetamol for the Treatment of Early Knee Osteoarthritis. Preliminary Study]

[Article in Spanish]
Carlos Acosta-Olivo et al. Cir Cir. .

Abstract

Background: in the treatment of early osteoartrosis, analgesics and non-steroidal anti-inflammatory drugs are frequently used to relieve pain. Currently, platelet rich plasma is used as an alternative in the treatment of osteoartrosis. The aim of this study was to evaluate the effect of platelet rich plasma compared to paracetamol as a treatment for patients with knee osteoartrosis grade I.

Methods: we evaluated 42 patients who were randomized into two groups. Group one was treated with 5 mL of platelet rich plasma in two applications, while group two was treated with 1 gr of oral paracetamol every 8 hours for 30 days. Both patient groups received supervised physical rehabilitation during the 6 month observation period. Peripheral blood samples were taken to measure plasma IL-1β, TNF-a and TGF-β1 levels at day 0 and at 6 months post-treatment. Clinical evaluation was conducted using the KOOS at the start of the study and for every subsequent month during the study period.

Results: the Knee injury and Osteoarthritis Outcome Score (KOOS) for group one at the start of the treatment was measured at 30.1 points, whereas at the end, it was measured at 48.2 points, showing a clinical improvement of 60%. There were no statistically significant differences in IL-1β and TNF-a levels between groups treated either with platelet rich plasma or paracetamol.

Conclusions: Our patients treated with platelet rich plasma showed a statistically significant increase in the serum levels of TGF-β1, which was associated with an improvement in the clinical evaluation used (KOOS).

Antecedentes: la osteoartrosis se caracteriza por dolor, rigidez articular y crepitación, con datos radiológicos específicos. El dolor se controla con analgésicos y antiinflamatorios no esteroides. En la actualidad, el plasma rico en plaquetas es una alternativa de tratamiento de esta enfermedad. Objetivo: comparar el efecto del plasma rico en plaquetas versus paracetamol en el tratamiento de pacientes con osteoartrosis de rodilla grado I. Material y métodos: ensayo prospectivo y experimental en el que se estudiaron 42 pacientes que se asignaron al azar a dos grupos. Al grupo 1 (experimental) se le indicaron 5 mL de plasma rico en plaquetas, en dos aplicaciones; el grupo 2 (control) se trató con 1 g de paracetamol oral cada 8 horas durante 30 días. Ambos grupos recibieron terapia física supervisada, con un tiempo de seguimiento total de seis meses. Para determinar las concentraciones de sangre periférica se tomaron muestras de IL-1β, TNF-a y TGF-β en plasma el día 0 y a los 6 meses. La valoración clínica se realizó con el Knee injury and Osteoarthritis Outcome Score (KOOS) al inicio y mensualmente durante el estudio. Resultados: los resultados de IL-1β y TNF-a no mostraron diferencia significativa entre los grupos tratados con plasma rico en plaquetas y paracetamol. La escala KOOS para el grupo 1 al inicio del tratamiento fue de 30.1 puntos y al finalizar el tratamiento 48.2 puntos, con mejoría clínica de 60%. Conclusiones: los pacientes tratados con plasma rico en plaquetas tuvieron un incremento significativo en las concentraciones séricas de TGF-β1 que se asoció con la mejoría clínica relacionada con el KOOS.

Keywords: KOOS; Knee osteoarthritis; factores de crecimiento; growth factors; osteoartrosis de rodilla; plasma rico en plaquetas; platelet rich plasma.

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