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Quantitative analysis of cold stress performance after digital replantation.

Publication ,  Journal Article
Nunley, JA; Penny, WH; Woodbury, MA; Koman, LA
Published in: J Orthop Res
January 1990

Isolated cold stress testing (ICST) has been used to assess cold stress performance or digital thermoregulation, but statistical analysis of the results has been limited to visual comparisons of data. In this prospective study, 11 patients who underwent complete digital replantation were followed serially with ICST at 6 weeks, 3 months, 6 months, 1 year, and 2 years postoperatively, and the results were analyzed quantitatively. For that analysis, we devised a mathematical method that provided a cooling and a warming coefficient to fit the data. Differences in these cooling and warming coefficients were then regressed against time after replantation, patient age, number of digits replanted, hand dominance, and clinical evidence of sensory recovery. There was a significant correlation between response to isolated cold stress testing (thermoregulation) and degree of sensory recovery (p less than or equal to 0.02). This method for quantitative analysis of isolated cold stress testing data allows objective evaluation of digital blood flow patterns based on temperature, thereby providing a reliable and objective assessment of the recovery of thermoregulation in the replanted human digit.

Duke Scholars

Published In

J Orthop Res

DOI

ISSN

0736-0266

Publication Date

January 1990

Volume

8

Issue

1

Start / End Page

94 / 100

Location

United States

Related Subject Headings

  • Sensation
  • Replantation
  • Regional Blood Flow
  • Orthopedics
  • Models, Biological
  • Middle Aged
  • Male
  • Humans
  • Hot Temperature
  • Fingers
 

Citation

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Nunley, J. A., Penny, W. H., Woodbury, M. A., & Koman, L. A. (1990). Quantitative analysis of cold stress performance after digital replantation. J Orthop Res, 8(1), 94–100. https://doi.org/10.1002/jor.1100080112
Nunley, J. A., W. H. Penny, M. A. Woodbury, and L. A. Koman. “Quantitative analysis of cold stress performance after digital replantation.J Orthop Res 8, no. 1 (January 1990): 94–100. https://doi.org/10.1002/jor.1100080112.
Nunley JA, Penny WH, Woodbury MA, Koman LA. Quantitative analysis of cold stress performance after digital replantation. J Orthop Res. 1990 Jan;8(1):94–100.
Nunley, J. A., et al. “Quantitative analysis of cold stress performance after digital replantation.J Orthop Res, vol. 8, no. 1, Jan. 1990, pp. 94–100. Pubmed, doi:10.1002/jor.1100080112.
Nunley JA, Penny WH, Woodbury MA, Koman LA. Quantitative analysis of cold stress performance after digital replantation. J Orthop Res. 1990 Jan;8(1):94–100.
Journal cover image

Published In

J Orthop Res

DOI

ISSN

0736-0266

Publication Date

January 1990

Volume

8

Issue

1

Start / End Page

94 / 100

Location

United States

Related Subject Headings

  • Sensation
  • Replantation
  • Regional Blood Flow
  • Orthopedics
  • Models, Biological
  • Middle Aged
  • Male
  • Humans
  • Hot Temperature
  • Fingers