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Assessment of Delay in Bilateral Thoracoabdominal Island Flaps in the Rat

Assessment of Delay in Bilateral Thoracoabdominal Island Flaps in the Rat Abstract • This s2tudy demonstrates improved perfusion and viability following surgical delay in a bilateral paired flap model that minimizes the effects of systemic variables in the rat. Surgical delay was achieved in one of two paired thoracoabdominal island flaps by ligating and cutting the inferior epigastric (distal) pedicle three days before flap construction. This created a hypoperfused zone. Within three days of delay, perfusion of the delayed region, as documented by quantification of tissue fluorescein delivery, increased markedly and often exceeded nondelayed values. Construction of 2×11-cm island flaps based on the superior epigastric pedicle at this time was associated with an average of 1.1-cm necrosis, compared with 2.6 cm in nondelayed flaps. (Arch Otolarygol 1984;110:660-663) References 1. Silverman, DG, LaRossa DD, Barlow CH, et al: Quantification of tissue fluorescein delivery and prediction of flap viability with the fiberoptic dermofluorometer . Plast Reconstr Surg 1980; 66:545-553.Crossref 2. Silverman DG, Cedrone FA, Hurford WE, et al: Monitoring tissue elimination of fluorescein with the perfusion fluorometer: A new method to assess capillary blood flow . Surgery 1981;90:409-416. 3. Brousseau DA, Klein SG, Weinstock BS, et al: Fluorometric assessment of perfusion in multicolored skin . Surg. Forum 1980;34:641-643. 4. Graham BH, Walton RL, Elings VB, et al: Surface quantification of injected fluorescein as a predictor of flap viability . Plast Reconstr Surg 1982;71:826-833.Crossref 5. Weinberg H, Song Y, Silverman DG, et al: Vascular island skin-flap tolerance to warm is- chemia: An analysis by perfusion fluorometry . Plast Reconstr Surg 1984;73:949-952.Crossref 6. Gatti JE, LaRossa DD, Neff SR, et al: Altered skin survival and fluorescein kinetics with hemodilution . Surgery 1982;92:200-205. 7. Silverman DG, Denneny J, Brousseau DA, et al: Continuous monitoring of flap perfusion by fiberoptic fluorometry . Surg Forum 1982;33:559-561. 8. Vidas M, Weisman RA, Silverman DG: Serial fluorometric assessment of experimental neurovascular island flaps . Arch Otorhinolaryngol 1983;109:457-462.Crossref 9. Gatti JE, LaRossa DD, Brousseau DA, et al: Assessment of neovascularization and timing of flap division . Plast Reconstr Surg 1984;73:396-402.Crossref 10. Silverman DG, Norton KJ, Brousseau DA: Documentation of flap delay by fluorescein uptake: A preliminary report . Plast Reconstr Surg 1983;72:111.Crossref 11. Denneny JC, Weisman RA, Silverman DG: Monitoring free flap perfusion by serial fluorometry . Otolaryngol Head Neck Surg 1983;91:372-376. 12. McFarlane RM, Heagy FC, Radin S: A study of the delay phenomenon in experimental pedicle flaps . Plast Reconstr Surg 1965;35:245-262.Crossref 13. Thompson TM, Berakha GJ, Guthrie RH: The effective duration of the delay phenomenon in the rat . Plast Reconstr Surg 1977;60:384-389. 14. Finseth F, Cutting C: An experimental neurovascular island skin flap for the study of the delay phenomenon . Plast Reconstr Surg 1978; 61:412-420.Crossref http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Otolaryngology American Medical Association

Assessment of Delay in Bilateral Thoracoabdominal Island Flaps in the Rat

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References (14)

Publisher
American Medical Association
Copyright
Copyright © 1984 American Medical Association. All Rights Reserved.
ISSN
0003-9977
DOI
10.1001/archotol.1984.00800360032007
Publisher site
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Abstract

Abstract • This s2tudy demonstrates improved perfusion and viability following surgical delay in a bilateral paired flap model that minimizes the effects of systemic variables in the rat. Surgical delay was achieved in one of two paired thoracoabdominal island flaps by ligating and cutting the inferior epigastric (distal) pedicle three days before flap construction. This created a hypoperfused zone. Within three days of delay, perfusion of the delayed region, as documented by quantification of tissue fluorescein delivery, increased markedly and often exceeded nondelayed values. Construction of 2×11-cm island flaps based on the superior epigastric pedicle at this time was associated with an average of 1.1-cm necrosis, compared with 2.6 cm in nondelayed flaps. (Arch Otolarygol 1984;110:660-663) References 1. Silverman, DG, LaRossa DD, Barlow CH, et al: Quantification of tissue fluorescein delivery and prediction of flap viability with the fiberoptic dermofluorometer . Plast Reconstr Surg 1980; 66:545-553.Crossref 2. Silverman DG, Cedrone FA, Hurford WE, et al: Monitoring tissue elimination of fluorescein with the perfusion fluorometer: A new method to assess capillary blood flow . Surgery 1981;90:409-416. 3. Brousseau DA, Klein SG, Weinstock BS, et al: Fluorometric assessment of perfusion in multicolored skin . Surg. Forum 1980;34:641-643. 4. Graham BH, Walton RL, Elings VB, et al: Surface quantification of injected fluorescein as a predictor of flap viability . Plast Reconstr Surg 1982;71:826-833.Crossref 5. Weinberg H, Song Y, Silverman DG, et al: Vascular island skin-flap tolerance to warm is- chemia: An analysis by perfusion fluorometry . Plast Reconstr Surg 1984;73:949-952.Crossref 6. Gatti JE, LaRossa DD, Neff SR, et al: Altered skin survival and fluorescein kinetics with hemodilution . Surgery 1982;92:200-205. 7. Silverman DG, Denneny J, Brousseau DA, et al: Continuous monitoring of flap perfusion by fiberoptic fluorometry . Surg Forum 1982;33:559-561. 8. Vidas M, Weisman RA, Silverman DG: Serial fluorometric assessment of experimental neurovascular island flaps . Arch Otorhinolaryngol 1983;109:457-462.Crossref 9. Gatti JE, LaRossa DD, Brousseau DA, et al: Assessment of neovascularization and timing of flap division . Plast Reconstr Surg 1984;73:396-402.Crossref 10. Silverman DG, Norton KJ, Brousseau DA: Documentation of flap delay by fluorescein uptake: A preliminary report . Plast Reconstr Surg 1983;72:111.Crossref 11. Denneny JC, Weisman RA, Silverman DG: Monitoring free flap perfusion by serial fluorometry . Otolaryngol Head Neck Surg 1983;91:372-376. 12. McFarlane RM, Heagy FC, Radin S: A study of the delay phenomenon in experimental pedicle flaps . Plast Reconstr Surg 1965;35:245-262.Crossref 13. Thompson TM, Berakha GJ, Guthrie RH: The effective duration of the delay phenomenon in the rat . Plast Reconstr Surg 1977;60:384-389. 14. Finseth F, Cutting C: An experimental neurovascular island skin flap for the study of the delay phenomenon . Plast Reconstr Surg 1978; 61:412-420.Crossref

Journal

Archives of Otolaryngology – American Medical Association

Published: Oct 1, 1984

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