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Int J Hyperthermia. 2017 Sep;33(6):696-702. doi: 10.1080/02656736.2017.1289252. Epub 2017 Feb 19.

Effect of Capacitive and Resistive electric transfer on haemoglobin saturation and tissue temperature.

Author information

1
a Human Health Sciences , Graduate School of Medicine, Kyoto University , Kyoto , Japan.
2
b Department of Physical Therapy , School of Health Sciences, Tokyo University of Technology , Tokyo , Japan.

Abstract

PURPOSE:

This study aims to evaluate the effects of Capacitive and Resistive electric transfer (CRet) and hotpack (HP) on haemoglobin saturation and tissue temperature.

MATERIALS AND METHODS:

The participants were 13 healthy males (mean age 24.5 ± 3.0). They underwent three interventions on different days: (1) CRet (CRet group), (2) HP (HP group) and (3) CRet without power (sham group). The intervention and measurement were applied at the lower paraspinal muscle. Indiba® active ProRecovery HCR902 was used in the CRet group, and the moist heat method was used in the HP group. Oxygenated, deoxygenated and total haemoglobin (oxy-Hb, deoxy-Hb, total-Hb) counts were measured before and after the 15-min interventions, together with the temperature at the skin surface, and at depths of 10 mm and 20 mm (ST, 10mmDT and 20mmDT, respectively). The haemoglobin saturation and tissue temperature were measured until 30 min after the intervention and were collected at 5-min intervals. Statistical analysis was performed for each index by using the Mann-Whitney U test for comparisons between all groups at each time point.

RESULTS:

Total-Hb and oxy-Hb were significantly higher in the CRet group than in the HP group continuously for 30 min after the intervention. The 10mmDT and 20mmDT were significantly higher in the CRet group than in the HP group from 10- to 30 min after intervention.

CONCLUSIONS:

The effect on haemoglobin saturation was higher in the CRet group than in the HP group. In addition, the CRet intervention warmed deep tissue more effectively than HP intervention.

KEYWORDS:

Capacitive and Resistive electric transfer system; haemoglobin saturation; healthy adults; hotpack; tissue temperature

PMID:
28139939
DOI:
10.1080/02656736.2017.1289252
[Indexed for MEDLINE]

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