The effect of vasoactive agents on post-pressure hyperemia

Anne Belzowzki, Dale Bergren, Alexandra Brugler, Brandon G. Hillman, Kyle C. Hillman, Shane R. Hillman, Brandon Kuss, Binh T. Ngo, Thomas Pisarri, Marc S. Rendell, Shaun L. Thompson, Scott A. Turner

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The cutaneous hyperemic response following the release of direct pressure occlusion lasts much longer than the short-term hyperemia that occurs after proximal arterial occlusion. Post-pressure hyperemia may be an important mechanism to prevent pressure induced injury to the skin. The role of vasoactive mediators in modulating post-pressure hyperemia is unknown. In an effort to better understand this phenomenon, we performed an initial study using microdialysis infusion to measure the effect of several known mediators of vascular response on post-pressure hyperemia. A vise clamp was used to apply direct occlusive pressure to a laser Doppler sensor on the skin surface overlying the microdialysis fiber. Skin blood flow was measured continuously pre, during and post-occlusion while infusing the vasoactive substance or control phosphate buffer. Angiotensin II, Calcitonin gene related peptide and histamine had minimal effect on post pressure blood flow. Conversely, prostaglandin E1, prostaglandin E2, and L-NAME diminished the early phase of the post-occlusion hyperemic response. Perhaps the most profound effect we observed was the decrease in post-occlusive blood flow due to administration of epinephrine, dopamine and prostaglandin F2alpha. In contrast, adenosine and caffeine augmented blood flow post occlusion. In this initial survey study, we have demonstrated differential effects of various vascular mediators on the post-pressure hyperemic phenomenon. Our findings may lead to the development of agents to prevent pressure sores by augmenting the skin blood flow response to locally applied pressure.

Original languageEnglish
Pages (from-to)345-350
Number of pages6
JournalMicrovascular Research
Volume84
Issue number3
DOIs
StatePublished - Nov 2012

Fingerprint

Hyperemia
Skin
Blood
Pressure
Dinoprost
Calcitonin Gene-Related Peptide
Alprostadil
NG-Nitroarginine Methyl Ester
Blood pressure
Microdialysis
Clamping devices
Caffeine
Dinoprostone
Angiotensin II
Adenosine
Histamine
Epinephrine
Blood Vessels
Dopamine
Buffers

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Cardiology and Cardiovascular Medicine
  • Cell Biology

Cite this

Belzowzki, A., Bergren, D., Brugler, A., Hillman, B. G., Hillman, K. C., Hillman, S. R., ... Turner, S. A. (2012). The effect of vasoactive agents on post-pressure hyperemia. Microvascular Research, 84(3), 345-350. https://doi.org/10.1016/j.mvr.2012.07.001

The effect of vasoactive agents on post-pressure hyperemia. / Belzowzki, Anne; Bergren, Dale; Brugler, Alexandra; Hillman, Brandon G.; Hillman, Kyle C.; Hillman, Shane R.; Kuss, Brandon; Ngo, Binh T.; Pisarri, Thomas; Rendell, Marc S.; Thompson, Shaun L.; Turner, Scott A.

In: Microvascular Research, Vol. 84, No. 3, 11.2012, p. 345-350.

Research output: Contribution to journalArticle

Belzowzki, A, Bergren, D, Brugler, A, Hillman, BG, Hillman, KC, Hillman, SR, Kuss, B, Ngo, BT, Pisarri, T, Rendell, MS, Thompson, SL & Turner, SA 2012, 'The effect of vasoactive agents on post-pressure hyperemia', Microvascular Research, vol. 84, no. 3, pp. 345-350. https://doi.org/10.1016/j.mvr.2012.07.001
Belzowzki A, Bergren D, Brugler A, Hillman BG, Hillman KC, Hillman SR et al. The effect of vasoactive agents on post-pressure hyperemia. Microvascular Research. 2012 Nov;84(3):345-350. https://doi.org/10.1016/j.mvr.2012.07.001
Belzowzki, Anne ; Bergren, Dale ; Brugler, Alexandra ; Hillman, Brandon G. ; Hillman, Kyle C. ; Hillman, Shane R. ; Kuss, Brandon ; Ngo, Binh T. ; Pisarri, Thomas ; Rendell, Marc S. ; Thompson, Shaun L. ; Turner, Scott A. / The effect of vasoactive agents on post-pressure hyperemia. In: Microvascular Research. 2012 ; Vol. 84, No. 3. pp. 345-350.
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