Affiliation: Kanazawa University
- A novel method to detect heat illness under severe conditions by monitoring tympanic temperatureTakehiro Yamakoshi
School of Mechanical Engineering, College of Science and Engineering, Kanazawa University, Kanazawa, Japan
Aviat Space Environ Med 84:692-700. 2013..This is relevant to industrial workers, astronauts, and pilots, as well as athletes. Here we evaluate the method in Grand Touring (GT) car racers in the closed-cockpit category who can face life-threatening hyperthermia...
- Fish consumption and cardiovascular response during mental stressKenta Matsumura
Department of Adult Mental Health, National Institute of Mental Health, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
BMC Res Notes 5:288. 2012..We therefore examined certain cardiovascular physiological variables of fish eaters during rest, whilst conducting mental arithmetic, and during recovery...
- Multivariate regression and discreminant calibration models for a novel optical non-invasive blood glucose measurement method named pulse glucometryYasuhiro Yamakoshi
yu sys Corporation, Kanazawa, Ishikawa, 920 1167, Japan
Conf Proc IEEE Eng Med Biol Soc 2009:126-9. 2009..The discriminant calibration model using SVMs also provided a good result for classification (accuracy rate 84% in the best case)...
- Attempt of a novel calibration method of pulse oximetry using support vector machines regressionMitsuhiro Ogawa
The yu sys Corporation and the Graduate School of Natural Science and Technology, Kanazawa University, Kamuma, Kanazawa, 920 1192, Japan
Conf Proc IEEE Eng Med Biol Soc 2009:1485-8. 2009..The root mean squared error for the validation data is 1.90 [SpO(2)) level %] and 89% of validation data fell within +/- 2 % of SpO(2) level by the meter. In conclusion, SVMsR might be applicable on calibration for pulse oximetry...
- Validation of normalized pulse volume in the outer ear as a simple measure of sympathetic activity using warm and cold pressor tests: towards applications in ambulatory monitoringJihyoung Lee
Graduate School of Nature Science and Technology, Kanazawa University, Kakuma machi, Kanazawa shi, Ishikawa 920 1192, Japan
Physiol Meas 34:359-75. 2013..NPV derived from the bottom of the ear-canal is a valid approach, which could be useful for evaluating daily life stress...
- iPhysioMeter: a new approach for measuring heart rate and normalized pulse volume using only a smartphoneKenta Matsumura
School of Mechanical Engineering, College of Science and Engineering, Kanazawa University, Kakuma machi, Kanazawa, Ishikawa, 920 1192, Japan
Behav Res Methods 45:1272-8. 2013..These findings suggest that iPhysioMeter can yield valid measures of the absolute level of HR and of relative changes in ln NPV. ..
- iPhone 4s photoplethysmography: which light color yields the most accurate heart rate and normalized pulse volume using the iPhysioMeter Application in the presence of motion artifact?Kenta Matsumura
College of Science and Engineering, Kanazawa University, Kanazawa, Ishikawa, Japan
PLoS ONE 9:e91205. 2014..We conclude that the use of green light PPG could be of particular benefit in ambulatory monitoring where motion artifacts are a significant issue...
- Assessment of slow-breathing relaxation technique in acute stressful tasks using a multipurpose non-invasive beat-by-beat cardiovascular monitoring systemMasamichi Nogawa
Kanazawa University Graduate School of Natural Science and Technology, Kanazawa, Japan
Conf Proc IEEE Eng Med Biol Soc 2007:5323-5. 2007..The results showed that the slow-breathing technique could have a significant effect on improvement of the hemodynamic changes following the acute stressful tasks, especially in the passive coping task...
- Development of a ubiquitous healthcare monitoring system combined with non-conscious and ambulatory physiological measurements and its application to medical careKosuke Motoi
Graduate School of Natural Science and Technology, Kanazawa University, Kanazawa 920 1192, Japan
Conf Proc IEEE Eng Med Biol Soc 2011:8211-4. 2011..The results demonstrated that the system appears useful for the ubiquitous healthcare monitoring not only at medical facility, but also during daily living at home...
- Relationship between salivary Chromogranin-A and stress induced by simulated monotonous drivingTakehiro Yamakoshi
Graduate School of Natural Science and Technology, Kanazawa University, Kakuma, Kanazawa, Ishikawa, 920 1192, Japan
Med Biol Eng Comput 47:449-56. 2009..The results obtained strongly indicate that, although CgA has been reported as a possible marker of stress, CgA levels are not increased in the stressful situation of simulated monotonous driving...
- Support vector machines as multivariate calibration model for prediction of blood glucose concentration using a new non-invasive optical method named Pulse GlucometryMitsuhiro Ogawa
TYT Institute of Technology Corporation, 602 Famille Montagnus, 1 143 Morino Sato, Kanazawa, 920 1167, Japan
Conf Proc IEEE Eng Med Biol Soc 2007:4561-3. 2007..0-219 mg/dl (4.94-12.2 mmol/l). The resultant regression was evaluated by the Clarke error grid analysis and all data points fell within the clinically acceptable regions (region A: 93%, region B: 7%)...