Abstract:
:Thirteen renal allograft recipients (6 patients on cyclosporine/7 patients on azathioprine) participated in a short-term oral protein-loading study to determine the effect of cyclosporine on an allograft's functional reserve. The baseline glomerular filtration rate of the two groups were similar (52 +/- 18 ml/min/1.73 m2 for the azathioprine/conventional therapy (CT) group and 47 +/- 12 ml/min/1.73 m2 for the cyclosporine (CsA) group), as were the baseline effective renal plasma flows (218 +/- 78 ml/min/1.73 m2 and 222 +/- 75 ml/min/1.73 m2, respectively). At 3 hr following the protein load there was an increase in GFR to 66 +/- 28 ml/min/1.73 m2 in the CT group. The GFR (39 +/- 8 ml/min/1.73 m2) of the CsA group at this time was unchanged. The responses in ERPF were similar. No significant difference was found between the two groups baseline RAA profiles (4.7 +/- 3.3 ng/ml/hr (CT) and 4.7 +/- 1.7 ng/ml/hr [CsA]), or those at the third hour (8.1 +/- 8.3 ng/ml/hr (CT) and 3.5 +/- 1.9 ng/ml/hr [CsA]). The data in this study indicate that CsA alters the renal allograft's response to a protein meal. This difference may be related to an altered vasodilatory response. This altered vascular reactivity may be mediated through renin activation and/or other hemodynamic regulators such as prostaglandins.
journal_name
Transplantationjournal_title
Transplantationauthors
Nunley JR,King A,Comstock T,Posner M,Marshall C,Sica DAdoi
10.1097/00007890-199101000-00030subject
Has Abstractpub_date
1991-01-01 00:00:00pages
190-3issue
1eissn
0041-1337issn
1534-6080journal_volume
51pub_type
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