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Randomized Controlled Trial Comparing the Effects of Far-Infrared Emitting Ceramic Fabric Shirts and Control
K Washington1, J Wason2, M S Thein3
1Hologenix LLC, 1112 Montana Avenue, Santa Monica, California, USA.
Journal of Textile Science & Engineering
|November 2, 2018
Summary
Ceramic-embedded fabric (CEL) significantly increases transcutaneous oxygen pressure (tcPO2) compared to standard polyethylene terephthalate (PET) fabric. This effect is independent of the donning sequence, confirming CEL
Area of Science:
- Physiology
- Materials Science
- Textile Engineering
Background:
- Previous studies indicated that polyethylene terephthalate (PET) fabric with ceramic particles (CEL) enhances transcutaneous oxygen pressure (tcPO2).
- Potential persistent effects of ceramic particles necessitated avoiding specific donning sequences in prior research.
- This study aimed to rigorously assess the impact of CEL fabric on tcPO2 by randomizing garment donning order.
Purpose of the Study:
- To confirm that CEL fabric elevates tcPO2 compared to standard PET fabric.
- To investigate the influence of donning sequence on tcPO2 measurements.
- To evaluate the effect of CEL and PET fabrics on skin temperature (ST) and arterial oxygen saturation (O2sat).
Main Methods:
- A randomized controlled trial was conducted with 153 subjects.
- Participants were assigned to don either PET shirts first (PETF, n=73) or CEL shirts first (CELF, n=80), switching garments after 90 minutes.
- Skin temperature, O2sat, and tcPO2 were measured every 30 minutes throughout the study.
Main Results:
- tcPO2 was consistently 6.7% higher when wearing CEL fabric compared to PET fabric, irrespective of the initial donning sequence (p<0.0003).
- While tcPO2 gradually increased in the PETF group, it decreased immediately after switching to PET in the CELF group, indicating a direct fabric effect.
- Both CEL and PET fabrics led to statistically significant increases in O2sat, with CEL showing a slightly greater, though not clinically significant, rise.
Conclusions:
- The observed enhancement of tcPO2 by ceramic-embedded fabric is a direct effect of the material itself.
- The study design, which randomized donning sequence, successfully eliminated potential bias from prior garment wear.
- CEL fabric demonstrates a reliable capacity to increase tcPO2, supporting its use in applications requiring enhanced oxygenation.
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