Plasma Matrix Metalloproteinases in Patients With Stroke During Intensive Rehabilitation Therapy

Feifei Ma, Susana Rodriguez, Xavi Buxo, Anna Morancho, Iolanda Riba-Llena, Ana Carrera, Alejandro Bustamante, Dolors Giralt, Joan Montaner, Carmen Martinez, Immaculada Bori, Anna Rosell

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© 2016 American Congress of Rehabilitation Medicine Objective To study plasma levels of matrix metalloproteinases (MMPs) as potential markers of recovery during intensive rehabilitation therapy (IRT) after stroke. Design Prospective and descriptive 3-month follow-up study. Setting Rehabilitation unit and research center. Participants Patients with first-ever ischemic stroke (n=15) enrolled to IRT (≥3h/d and 5d/wk) and healthy volunteers (n=15) (N=30). Interventions Not applicable. Main Outcome Measures The primary outcome was to measure plasma MMP3, MMP12, and MMP13 levels and evaluate potential associations with motor/functional scales using a battery of tests (National Institutes of Health Stroke Scale, modified Rankin scale, Barthel Index, Fugl-Meyer Assessment, Functional Ambulation Categories, Medical Research Council scale, Chedoke Arm and Hand Activity Inventory, and the 10-m walk test) before IRT and at 1- and 3-month follow-ups. The secondary outcome was to evaluate the use of these MMPs as biomarkers as predictors of patient's outcome. Results MMP levels remained stable during the study period and were similar to those in the healthy volunteer group. However, baseline MMP12 and MMP13 levels were strongly associated with stroke severity and were found to be elevated in those patients with the poorest outcomes. Interestingly, plasma MMP3 was independent of baseline stroke characteristics but was found to be increased in patients with better motor/functional recovery and in patients with larger improvements during rehabilitation. Conclusions MMPs might act as biologic markers of recovery during rehabilitation therapy related to their roles in both injury and tissue remodeling. Future confirmatory investigations in multicenter studies are warranted by our data.
Idioma originalEnglish
Pàgines (de-a)1832-1840
RevistaArchives of Physical Medicine and Rehabilitation
Estat de la publicacióPublicada - 1 de nov. 2016


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