Do Clinical Scales of Balance Reflect Turning Abnormalities in People With Parkinson's Disease?

被引:72
作者
King, Laurie A. [1 ]
Mancini, Martina [1 ]
Priest, Kelsey [1 ]
Salarian, Arash [1 ]
Rodrigues-de-Paula, Fatima [4 ]
Horak, Fay [1 ,2 ,3 ]
机构
[1] Oregon Hlth & Sci Univ, Sch Med, Dept Neurol, Balance Disorders Lab, Portland, OR 97239 USA
[2] Oregon Hlth & Sci Univ, Sch Med, Dept Physiol & Pharmacol, Balance Disorders Lab, Portland, OR 97239 USA
[3] Oregon Hlth & Sci Univ, Sch Med, Dept Biomed Engn, Portland, OR 97239 USA
[4] Univ Fed Minas Gerais, Dept Phys Therapy, Belo Horizonte, MG, Brazil
来源
JOURNAL OF NEUROLOGIC PHYSICAL THERAPY | 2012年 / 36卷 / 01期
基金
美国国家卫生研究院;
关键词
balance disorders; gait; Parkinson's disease; turn; RELIABILITY; MOBILITY; WALKING; GO;
D O I
10.1097/NPT.0b013e31824620d1
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Background and Purpose: It is well known that people with Parkinson's disease (PD) have significant difficulty turning, and that such difficulty is related to freezing episodes and falls. However, it is unclear how clinicians should evaluate turning. The purpose of this exploratory study was to determine whether the common clinical assessment instruments reflect turning deficits in persons with PD compared with an instrumented measure. Methods: Forty-six participants with PD (23 with mild PD, and 23 with severe PD), and 40 healthy controls were assessed using the Berg Balance Scale (Berg), Tinetti Mobility Test (Tinetti), Activities-Specific Balance Confidence Scale, and the new instrumented Timed Up & Go test using wearable inertial sensors. Results: Turns during the instrumented Timed Up & Go test showed significant differences among groups (chi(2)= 43.6, P < 0.0001). Specifically, controls and mild PD (p < 0.001) and controls and severe PD (P < 0.00001). The number of steps (chi(2) = 32.1; P < 0.0001) and peak speed (chi(2) = 31.9; P < 0.0001) during turning were significantly different among all groups. Clinical scales were less likely to detect these differences. Of the clinical scales, the Berg was best able to detect differences between control and mild PD groups. Correlations between clinical measures of balance and instrumented turning were moderate but significant. Conclusions: We show evidence that turning is impaired, even in mildly impaired participants with PD and that this deficit is not obviously reflected in common clinical scales of balance such as the Berg or Tinetti. It may be more useful for a clinician to examine particular items within the Berg!, or the turning component of the TUG if turning difficulty is suspected.
引用
收藏
页码:25 / 31
页数:7
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