PMID: 8938514Oct 1, 1996Paper

Evaluation of pedicled skin flap viability by pH, temperature and fluorescein: an experimental study

Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery
W J Issing, C Naumann

Abstract

In order to test methods of predicting skin flap viability, a skin flap model in Sprague-Dawley rats was established. As criteria for studying skin flap survival, we compared measurement of skin pH, temperature, as well as fluorescence photography and computer aided digital morphometry (CADM). Ninety male Sprague-Dawley rats were divided into three groups in which pedicles were clamped for 10, 15, or 20 h. A standardized bipedicled skin flap was prepared, maintained by the epigastric artery, vein and nerve. All flaps were sutured back in place immediately after clamping. We found that postoperative prediction of flap survival based solely upon external appearance was impossible until the 2nd postoperative day. Changes in pH were not statistically significant in the prediction of vital or necrotic flaps. The temperature measurements showed, that in the event of viability the decrease in flap temperature versus the reference temperature (rectal temperature) was significant (P < 0.0094 in Group II, 15 h of ischaemia) or at least a tendency to significance (P < 0.059 in Group III, 10 h of ischaemia) bigger than in the event of partial or total flap necrosis. The photographic documentation using fluorescein showed that all coloured ...Continue Reading

References

Feb 1, 1978·Plastic and Reconstructive Surgery·J W MayJ V Hurley
Jan 1, 1979·The Journal of Hand Surgery·M H McGrathF Finseth
Nov 1, 1974·Plastic and Reconstructive Surgery·J F Reinisch
Jul 1, 1969·British Journal of Plastic Surgery·S H Milton

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Citations

Oct 6, 2012·Annals of Plastic Surgery·Daniel ChubbWilliam C Lineaweaver
Jul 2, 2019·Plastic and Reconstructive Surgery·Elizabeth M PolferKenneth R Means
Oct 1, 2019·Plastic and Reconstructive Surgery·Elizabeth M PolferKenneth R Means
Apr 7, 2021·Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia·Martin MolitorStefano Lucchina

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