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Does compliance mismatch alone cause neointimal hyperplasia?

Publication ,  Journal Article
Okuhn, SP; Connelly, DP; Calakos, N; Ferrell, L; Pan, MX; Goldstone, J
Published in: J Vasc Surg
January 1989

To define the relationship between compliance mismatch and the development of neointimal hyperplasia, one 3 cm segment of common iliac artery was externally banded in seven dogs, thereby fixing the arterial diameter at end diastole. To quantify compliance, end-diastole diameter and its change with pulse pressure were measured by induction angiometry. This technique uses intravascular soft trifilar wire probes introduced through distally placed polytetrafluoroethylene sidearms. Compliance was checked in the banded and contralateral undissected unbanded control iliac arteries at 3 and 6 months, at which times the vessels were fixed by perfusion, excised, and examined histologically. Sustained (6-month) compliance mismatch was successfully induced within the banded segments (p less than 0.0001), and no compliance mismatch was seen in the control segments (p = 0.357). The intima of all banded vessels was virtually indistinguishable from that in controls grossly and histologically. Mild focal intimal thickening, less than 3 cell layers thick involving less than 5% of the vessel circumference, was typically seen in both banded and control vessels (range 6.57 +/- 6.80 micron to 38.86 +/- 57.16 micron). In marked contrast, at the sites of the polytetrafluoroethylene-to-femoral artery anastomosis, near-occlusive neointimal hyperplasia (1714 +/- 415.47 micron) was seen in all animals. Residual lumen area in the banded and control vessels was only minimally abnormal (range 98.65% +/- 2.18% to 99.96% +/- 0.08%). These data indicate that compliance mismatch alone is an insufficient stimulus for the development of neointimal hyperplasia in the canine model.

Duke Scholars

Published In

J Vasc Surg

ISSN

0741-5214

Publication Date

January 1989

Volume

9

Issue

1

Start / End Page

35 / 45

Location

United States

Related Subject Headings

  • Iliac Artery
  • Hyperplasia
  • Graft Survival
  • Dogs
  • Compliance
  • Cardiovascular System & Hematology
  • Blood Pressure
  • Animals
  • 3202 Clinical sciences
  • 3201 Cardiovascular medicine and haematology
 

Citation

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Okuhn, S. P., Connelly, D. P., Calakos, N., Ferrell, L., Pan, M. X., & Goldstone, J. (1989). Does compliance mismatch alone cause neointimal hyperplasia? J Vasc Surg, 9(1), 35–45.
Okuhn, S. P., D. P. Connelly, N. Calakos, L. Ferrell, M. X. Pan, and J. Goldstone. “Does compliance mismatch alone cause neointimal hyperplasia?J Vasc Surg 9, no. 1 (January 1989): 35–45.
Okuhn SP, Connelly DP, Calakos N, Ferrell L, Pan MX, Goldstone J. Does compliance mismatch alone cause neointimal hyperplasia? J Vasc Surg. 1989 Jan;9(1):35–45.
Okuhn, S. P., et al. “Does compliance mismatch alone cause neointimal hyperplasia?J Vasc Surg, vol. 9, no. 1, Jan. 1989, pp. 35–45.
Okuhn SP, Connelly DP, Calakos N, Ferrell L, Pan MX, Goldstone J. Does compliance mismatch alone cause neointimal hyperplasia? J Vasc Surg. 1989 Jan;9(1):35–45.
Journal cover image

Published In

J Vasc Surg

ISSN

0741-5214

Publication Date

January 1989

Volume

9

Issue

1

Start / End Page

35 / 45

Location

United States

Related Subject Headings

  • Iliac Artery
  • Hyperplasia
  • Graft Survival
  • Dogs
  • Compliance
  • Cardiovascular System & Hematology
  • Blood Pressure
  • Animals
  • 3202 Clinical sciences
  • 3201 Cardiovascular medicine and haematology