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Reproducibility and variability of transepidermal water loss measurement. Studies on the Servo Med Evaporimeter.
Acta Derm Venereol. 1987; 67(3):206-10.AD

Abstract

Recording technique and accuracy of the Servo Med EP1 evaporimeter were studied. The technical accuracy of this equipment was found high with a coefficient of variation of 3.3%. Measurements of transepidermal water loss (TEWL) were performed on the palm of the hand and on the flexor side of the forearm in 10 healthy volunteers. Continuous registrations were undertaken for a three-minute period and repeated immediately thereafter. Values reached a linear state 30 sec after application of the probe. The variation of TEWL in relation to time was determined in the same individuals. Measurements were repeated after 1 hour and 24 hours. In conclusion, though the TEWL as measured by the Servo Med evaporimeter shows a considerable interindividual variation, the intraindividual variation and the variation by time are relatively minor. We recommend that more detailed studies are based on paired observations, with recordings read 30 sec after application of the probe onto the skin.

Authors

No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

2442932

Citation

Blichmann, C W., and J Serup. "Reproducibility and Variability of Transepidermal Water Loss Measurement. Studies On the Servo Med Evaporimeter." Acta Dermato-venereologica, vol. 67, no. 3, 1987, pp. 206-10.
Blichmann CW, Serup J. Reproducibility and variability of transepidermal water loss measurement. Studies on the Servo Med Evaporimeter. Acta Derm Venereol. 1987;67(3):206-10.
Blichmann, C. W., & Serup, J. (1987). Reproducibility and variability of transepidermal water loss measurement. Studies on the Servo Med Evaporimeter. Acta Dermato-venereologica, 67(3), 206-10.
Blichmann CW, Serup J. Reproducibility and Variability of Transepidermal Water Loss Measurement. Studies On the Servo Med Evaporimeter. Acta Derm Venereol. 1987;67(3):206-10. PubMed PMID: 2442932.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Reproducibility and variability of transepidermal water loss measurement. Studies on the Servo Med Evaporimeter. AU - Blichmann,C W, AU - Serup,J, PY - 1987/1/1/pubmed PY - 1987/1/1/medline PY - 1987/1/1/entrez SP - 206 EP - 10 JF - Acta dermato-venereologica JO - Acta Derm Venereol VL - 67 IS - 3 N2 - Recording technique and accuracy of the Servo Med EP1 evaporimeter were studied. The technical accuracy of this equipment was found high with a coefficient of variation of 3.3%. Measurements of transepidermal water loss (TEWL) were performed on the palm of the hand and on the flexor side of the forearm in 10 healthy volunteers. Continuous registrations were undertaken for a three-minute period and repeated immediately thereafter. Values reached a linear state 30 sec after application of the probe. The variation of TEWL in relation to time was determined in the same individuals. Measurements were repeated after 1 hour and 24 hours. In conclusion, though the TEWL as measured by the Servo Med evaporimeter shows a considerable interindividual variation, the intraindividual variation and the variation by time are relatively minor. We recommend that more detailed studies are based on paired observations, with recordings read 30 sec after application of the probe onto the skin. SN - 0001-5555 UR - https://www.unboundmedicine.com/medline/citation/2442932/Reproducibility_and_variability_of_transepidermal_water_loss_measurement__Studies_on_the_Servo_Med_Evaporimeter_ DB - PRIME DP - Unbound Medicine ER -