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  • Title: Romberg ratio coefficient in quiet stance and postural control in Parkinson's disease.
    Author: Paolucci T, Iosa M, Morone G, Fratte MD, Paolucci S, Saraceni VM, Villani C.
    Journal: Neurol Sci; 2018 Aug; 39(8):1355-1360. PubMed ID: 29737443.
    Abstract:
    UNLABELLED: The aim of this study was to determine the function of visual afference in postural control in Parkinson patients. We enrolled 29 patients and 30 healthy controls. The stabilometry test was performed for posture and balance and Romberg ratio coefficients were calculated. In addition, the Berg Balance Scale and the 6-Minute Walking Test were administered to assess balance and functional exercise capacity; the Unified Parkinson's Disease Rating Scale was used to determine the stage of the disease; and the Short Form (SF)-36 Health Survey was given to collect information on quality of life. RESULTS: significantly longer Center of Pressure (CoP) sway lengths were observed in the parkinson group. The Romberg index for CoP length of sway in parkinson patients was 94.3 ± 19.3%, versus 147.4 ± 120.6% for the control group. (p = 0.025). CONCLUSION: Parkinson patients use the increase in CoP sway length and ellipse area to stabilize their balance and sight does not facilitate static postural control as in healthy subjects.
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