Tissue histopathologic injury in renovascular occlusive disease

Monika L. Gloviczki, Stephen C Textor

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Many histopathologic findings within post-stenotic kidneys are nonspecific and represent conditions associated with aging, atherosclerosis and pre-existing hypertension. Two major abnormalities reported in patients with renovascular disease (RVD) are arteriolar nephrosclerosis and atheroembolic renal lesions. Other chronic renal ischemia markers include tubular atrophy, interstitial fibrosis and arteriolar sclerosis, but are less specific. Recent data demonstrate that intra-renal oxygenation in renovascular disease (RVD) is affected in a patchy way and produces local alterations that can ultimately lead to irreversible tissue damage. Moreover, kidney injury has the tendency for progressive deterioration even after the primary causal factor is eliminated. Transvenous or transjugular renal biopsy, requiring retrograde access through the venous system, was recently proposed as an alternative for patients with contraindications for percutaneous biopsy. This technique was used in a prospective study to examine histopathologic changes in biopsies from kidneys with moderate unilateral renal artery stenosis, compared with renal tissue specimens from normal kidney donors, and nephrectomy samples for total vascular occlusion. Tissue from affected kidneys has provided evidence for complex injury pathways in atherosclerotic RVD that include activation of Transforming Growth Factor-β (TGF- β) and accumulation of tissue macrophages in addition to progressive interstitial fibrosis. These data support a transition from a hemodynamic disorder to one with inflammatory and fibrotic injury that does not reverse entirely with restoration of blood flow alone. Direct examination of kidney tissue obtained by biopsy might contribute to both understand the disease process and to identify those individuals likely to benefit (or not) from measures to restore blood flow or other treatment modalities.

Original languageEnglish (US)
Title of host publicationRenal Vascular Disease
PublisherSpringer-Verlag London Ltd
Pages293-301
Number of pages9
Volume9781447128106
ISBN (Print)9781447128106, 1447128095, 9781447128090
DOIs
StatePublished - Dec 1 2014

Fingerprint

Kidney
Wounds and Injuries
Biopsy
Arteriolosclerosis
Fibrosis
Nephrosclerosis
Prehypertension
Renal Artery Obstruction
Transforming Growth Factors
Nephrectomy
Atrophy
Blood Vessels
Atherosclerosis
Ischemia
Hemodynamics
Macrophages
Tissue Donors
Prospective Studies

Keywords

  • Arteriolar nephrosclerosis
  • Arteriolar sclerosis
  • Atheroembolic renal lesions
  • Interstitial fibrosis
  • Ischemic nephropathy
  • Kidney biopsy
  • Renovascular disease
  • Tubular atrophy

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Gloviczki, M. L., & Textor, S. C. (2014). Tissue histopathologic injury in renovascular occlusive disease. In Renal Vascular Disease (Vol. 9781447128106, pp. 293-301). Springer-Verlag London Ltd. https://doi.org/10.1007/978-1-4471-2810-6_18

Tissue histopathologic injury in renovascular occlusive disease. / Gloviczki, Monika L.; Textor, Stephen C.

Renal Vascular Disease. Vol. 9781447128106 Springer-Verlag London Ltd, 2014. p. 293-301.

Research output: Chapter in Book/Report/Conference proceedingChapter

Gloviczki, ML & Textor, SC 2014, Tissue histopathologic injury in renovascular occlusive disease. in Renal Vascular Disease. vol. 9781447128106, Springer-Verlag London Ltd, pp. 293-301. https://doi.org/10.1007/978-1-4471-2810-6_18
Gloviczki ML, Textor SC. Tissue histopathologic injury in renovascular occlusive disease. In Renal Vascular Disease. Vol. 9781447128106. Springer-Verlag London Ltd. 2014. p. 293-301 https://doi.org/10.1007/978-1-4471-2810-6_18
Gloviczki, Monika L. ; Textor, Stephen C. / Tissue histopathologic injury in renovascular occlusive disease. Renal Vascular Disease. Vol. 9781447128106 Springer-Verlag London Ltd, 2014. pp. 293-301
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