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Efficacy of wheat hot pack (dry heat) and pottery hot pack (moist heat) on eyelid temperature and tissue blood flow in healthy eyes: a randomized control trial

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Abstract

Purpose

To investigate the eyelid temperature (Temp) and tissue blood flow (TBF) changes in healthy eyes using wheat hot pack (WHP) and pottery hot pack (PHP).

Methods

A randomized, double-blind, within-subject crossover study design was conducted in a Thai tertiary care center. All healthy subjects received warm compress treatment with WHP and PHP. The subjects were randomized to receive the WHP or the PHP at the first sequence. Temp and TBF measurements were taken at baseline, and every 2 min during the 10-min application of the heated compresses, and every 2 min for a 10-min duration after the compresses were removed.

Results

There were 29 females (96.7%) and 1 male. The mean (SD) age of the subjects was 33.17 (5.21) years. Two warm compresses were able to increase the surface lid Temp significantly from the baseline Temp at every time point of measurement and location. For the WHP application, the maximum surface Temp (SD) of the outer upper lid, outer lower lid, and inner lower lid were 40.07 (0.80) °C, 38.44 (0.91) °C, and 35.83 (0.71) °C, respectively (all P value < 0.001) and under the PHP application, the highest surface Temp (SD) were 40.63 (0.97) °C, 38.32 (1.27) °C, and 35.82 (0.71) °C, respectively (all P value < 0.001). Both WHP and PHP were able to increase TBF significantly with no adverse events and these effects can be sustained until 20 min.

Conclusions

The results of this study suggest the potential of using these warm compresses for meibomian gland dysfunction. Further clinical research is needed.

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Funding

This study was funded by the Faculty of Medicine Endowment Fund (#107/2559).

Author information

Authors and Affiliations

  1. Glaucoma Division, Department of Ophthalmology, Faculty of Medicine, Chiang Mai University, 110 Intavarorot Road, Tambon Sripoom, Amphur Muang, Chiang Mai, 50200, Thailand

    Thidarat Leeungurasatien

  2. Neuro-Musculoskeletal Pain and Research Unit, Department of Physical Therapy, Chiang Mai University, Chiang Mai, Thailand

    Aatit Paungmali

  3. General Thoracic Surgery Division, Department of Surgery, and Clinical Epidemiology and Clinical Statistic Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand

    Apichat Tantraworasin

Authors
  1. Thidarat Leeungurasatien
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  2. Aatit Paungmali
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  3. Apichat Tantraworasin
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Correspondence to Thidarat Leeungurasatien.

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All authors in this study declare that they have no conflict of interest.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

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Informed consent was obtained from all individual participants included in the study.

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Leeungurasatien, T., Paungmali, A. & Tantraworasin, A. Efficacy of wheat hot pack (dry heat) and pottery hot pack (moist heat) on eyelid temperature and tissue blood flow in healthy eyes: a randomized control trial. Int Ophthalmol 40, 1347–1357 (2020). https://doi.org/10.1007/s10792-020-01300-z

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  • DOI: https://doi.org/10.1007/s10792-020-01300-z

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