Response to Psychological Test in Elderly Patients with Hand-Arm Vibration Syndrome and Healthy Controls

We investigated the parasympathetic nervous response to psychological test using heart rate variation (HRV) during deep breathing in elderly patients with hand-arm vibration syndrome and healthy controls. Average age (SD) of 16 patients with vibration-induced white finger (VWF), 13 patients without...

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Bibliographic Details
Published in:Industrial Health 1997, Vol.35(4), pp.533-536
Main Authors: LASKAR, Md. Shawkatuzzaman, IWAMOTO, Mieko, YONEDA, Junko, YAMAUCHI, Hazuki, FUKUDA, Toshihiro, NAKAMOTO, Minoru, HARADA, Noriaki
Format: Article
Language:English
Subjects:
Aged
Blood Pressure
Case-Control Studies
Fingers - blood supply
Hand-arm vibration syndrome
Heart Rate
Heart rate variation
Humans
Middle Aged
Occupational Exposure - adverse effects
Parasympathetic Nervous System - physiopathology
Parasympathetic response
Psychological test
Psychological Tests
Vibration - adverse effects
Vibration-induced white finger
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Summary:We investigated the parasympathetic nervous response to psychological test using heart rate variation (HRV) during deep breathing in elderly patients with hand-arm vibration syndrome and healthy controls. Average age (SD) of 16 patients with vibration-induced white finger (VWF), 13 patients without VWF and 12 healthy controls was 60.1 (2.8), 60.6 (4.2) and 58.8 (3.8), respectively. After an initial supine rest for 40min, psychological test (Stroop color word test and mirror drawing test) was performed for 20min. The indexes ofHRV (Mean R-R, SD, RMSSD and CV) were calculated. Blood pressure and heart rate were also measured. The indexes ofHRV did not differ between the groups before exposure. The SD, RMSSD and CV of the patients without VWF during supine deep breathing after 3min post-exposure supine rest were significantly lower than those of the control group (p
ISSN:0019-8366
1880-8026
DOI:10.2486/indhealth.35.533