Lifecorder: A New Device for the Long-term Monitoring of Motor Activities for Parkinson's Disease

Saito, Nozomu; Yamamoto, Toshiyuki; Sugiura, Yoshimi; Shimizu, Saori; Shimizu, Masaru

doi:10.2169/internalmedicine.43.685

Cited by 31 publications

(27 citation statements)

References 10 publications

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“…The technical and estimation equation details of the uniaxial accelerometer have been described elsewhere (Saito et al 2004;Kumahara et al 2004a). It has a linear frequency response with a band pass filter and is drip-proof (not waterproof).…”

Section: Accelerometersmentioning

confidence: 99%

Light-intensity activities are important for estimating physical activity energy expenditure using uniaxial and triaxial accelerometers

et al. 2008

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This study evaluated the validity of the total energy expenditure (TEE) estimated using uniaxial (ACCuni) and triaxial (ACCtri) accelerometers in the elderly. Thirty-two healthy elderly (64-87 years) participated in this study. TEE was measured using the doubly labeled water (DLW) method (TEE(DLW)). TEE(ACCuni) (6.79 +/- 1.08 MJ day(-1)) was significantly lower than TEE(DLW) (7.85 +/- 1.54 MJ day(-1)) and showed wider limits of agreement (-3.15 to 1.12 MJ day(-1)) with a smaller correlation coefficient (r = 0.703). TEE(ACCtri) (7.88 +/- 1.27 MJ day(-1)) did not differ from TEE(DLW) and showed narrower limits of agreement (-1.64 to 1.72 MJ day(-1)) with a larger correlation coefficient (r = 0.835, P < 0.001). The estimated intensities of light activities were significantly lower with ACCuni. Greater mediolateral acceleration was observed during 6-min walk tests. The results suggest that ACCtri is a better choice than ACCuni for assessing TEE in the elderly.

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Section: Accelerometersmentioning

confidence: 99%

Light-intensity activities are important for estimating physical activity energy expenditure using uniaxial and triaxial accelerometers

et al. 2008

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“…Wrist-or belt-mounted accelerometers (5)(6)(7)(8) or six tri-axial accelerometers (9) have been used to monitor the degree of akinesia. Although the measurements of acceleration can provide a rough estimate of the quantity of movements, the nature of the executed movements remains unclear.…”

Section: Introductionmentioning

confidence: 99%

24-Hour Recording of Parkinsonian Gait Using a Portable Gait Rhythmogram

2010

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Objective In the advanced stage of Parkinson's disease (PD), motor fluctuation is a frequent and a disabling problem. Despite its importance, motor fluctuation has received little scientific analysis probably due to limitation in objective assessment. Here, we focused on gait disorders to estimate motor fluctuation in daily activities. Patients and Methods Using a new device, the portable gait rhythmogram, we recorded gait rhythm continuously over 24 hours in 22 patients with PD and in 11 normal controls, for quantitative evaluation of motor fluctuation. The duration of one gait cycle was measured. Results Continuous 24-hour recording identified changes in gait rhythm, which correlated with fluctuation of PD symptoms. Different motor fluctuations were observed; a shift to a faster gait cycle was noted in patients with short-step walking, festination or freezing of gait, whereas a shift to a slower gait cycle was observed in patients with bradykinesia or instability. Conclusion Characterization of motor fluctuation using this device could help in the selection of appropriate anti-PD medications.

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“…PD treatments based on patient diaries [46] initially showed promising results. They help, if a patient keeps his or her diary up to date.…”

Section: The Problem With Pd Drug Administrationmentioning

confidence: 99%

Personalized Drug Administration to Patients with Parkinsons Disease: Manipulating Sensor Generated Data in Android Environments

Bravhar¹,

Juric

2017

Proceedings of the 50th Hawaii International Conference on System Sciences (2017)

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Lifecorder: A New Device for the Long-term Monitoring of Motor Activities for Parkinson's Disease

Cited by 31 publications

References 10 publications

Light-intensity activities are important for estimating physical activity energy expenditure using uniaxial and triaxial accelerometers

Light-intensity activities are important for estimating physical activity energy expenditure using uniaxial and triaxial accelerometers

24-Hour Recording of Parkinsonian Gait Using a Portable Gait Rhythmogram

Personalized Drug Administration to Patients with Parkinsons Disease: Manipulating Sensor Generated Data in Android Environments

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Lifecorder: A New Device for the Long-term Monitoring of Motor Activities for Parkinson's Disease

Cited by 31 publications

References 10 publications

Light-intensity activities are important for estimating physical activity energy expenditure using uniaxial and triaxial accelerometers

Light-intensity activities are important for estimating physical activity energy expenditure using uniaxial and triaxial accelerometers

24-Hour Recording of Parkinsonian Gait Using a Portable Gait Rhythmogram

Personalized Drug Administration to Patients with Parkinsons Disease: Manipulating Sensor Generated Data in Android Environments

Contact Info

Product

Resources

About

Personalized Drug Administration to Patients with Parkinsons Disease: Manipulating Sensor Generated Data in Android Environments