Progressive histologic injury in kidneys from heart and liver transplant recipients receiving cyclosporine

M. E. Falkenhain, Fernando G Cosio, D. D. Sedmak

Research output: Contribution to journalArticle

95 Citations (Scopus)

Abstract

Cyclosporine (CsA) causes both acute and chronic nephrotoxicity. The goal of the present studies was to examine the nature of the chronic renal pathologic lesions of CsA nephrotoxicity and to determine whether these lesions progress with prolonged exposure to the drug. With this purpose, we examined large sections of kidneys obtained at autopsy from 15 heart transplant recipients, 7 liver transplant recipients, and 10 nontransplanted controls. Tissue sections were examined blindly by light microscopy, histomorphometry, and color computer image analysis. With increasing time following transplantation, there was a progressive increase in renal arteriolar hyalinosis and in the percentage of glomeruli demonstrating global sclerosis. In addition, there was a statistically significant relationship between arteriolar hyalinosis and global glomerulosclerosis (r=0.61, P<0.003). The percentage of glomeruli with focal glomerulosclerosis was also increased in transplant recipients followed for more than 80 days. The kidneys of heart and liver recipients who died less than 80 days after transplantation, that is, those patients who received no CsA or low doses of CsA, demonstrated significantly more interstitial fibrosis than the kidneys of control individuals. Furthermore, there was no significant increase in the amount of renal interstitial fibrosis in aliograft recipients followed for prolonged periods of time. There were no significant relationships between the severity of renal pathologic changes and serum creatinine or systemic blood pressure levels. In conclusion, non-renal transplant recipients demonstrate renal damage that affects primarily the preglomerular arterioles and results in glomerular obliteration. This renal damage increases in relation to the time of exposure to CsA and in relation to the total dose of CsA that the patient receives. These renal structural changes are not reflected initially in changes in glomerular filtration rate, as determined by serum creatinine.

Original languageEnglish (US)
Pages (from-to)364-370
Number of pages7
JournalTransplantation
Volume62
Issue number3
StatePublished - Aug 15 1996
Externally publishedYes

Fingerprint

Cyclosporine
Kidney
Liver
Wounds and Injuries
Creatinine
Fibrosis
Transplantation
Transplant Recipients
Focal Segmental Glomerulosclerosis
Arterioles
Sclerosis
Serum
Glomerular Filtration Rate
Microscopy
Autopsy
Color
Blood Pressure
Light
Pharmaceutical Preparations

ASJC Scopus subject areas

  • Transplantation
  • Immunology

Cite this

Progressive histologic injury in kidneys from heart and liver transplant recipients receiving cyclosporine. / Falkenhain, M. E.; Cosio, Fernando G; Sedmak, D. D.

In: Transplantation, Vol. 62, No. 3, 15.08.1996, p. 364-370.

Research output: Contribution to journalArticle

Falkenhain, M. E. ; Cosio, Fernando G ; Sedmak, D. D. / Progressive histologic injury in kidneys from heart and liver transplant recipients receiving cyclosporine. In: Transplantation. 1996 ; Vol. 62, No. 3. pp. 364-370.
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